VRF_EHS-Installation_GL_EN_2019_Ver1.0_Cycle

Modification history

Process and General installation guide
Tank Integrated Hydro unit
Split outdoor unit
Mono outdoor unit
External wiring and set up with Hydro unit
Switches & Keys’ functions
Field Setting Value

Process
Before start
What is EHS
Nomenclature
Preparation of installation
General guide of pipe drawing
Installation tip
Required tool

Before start
▶ Read Installation Manual carefully to guarantee the proper installation
▶ Every information which is related to proper installation is in Installation Manual and Technical Data Book
▶ Proper installation will improve the reliability & performance of the system
▶ Keep safety at 1st place while working at site
▶ Right tool, enough material & well-trained workers should be on site
Things what should be checked before installation
When you have any technical question or support is required please access BTSP.
https://btsp.samsunggsbn.com

What is EHS
What is EHS
Heating or Cooling can be used with Hot or Cold Water
High Efficiency than convential boiler
Inverter compressor & R-32 refrigerant
3Type in EHS
Split : R-32 Outdoor Unit + Hydro Unit (Including PHE)
Mono : R-32 Outdoor Unit (Including PHE)
TDM : R-32 Outdoor Unit+Hydro Unit + Aircon Indoor Unit
■ Split
■ Mono
■ TDM

System Types – Tank Integrated Split
What is EHS
Both water heating and hot water supply
Reversible (water cooling enable)
Outdoor Unit + Hydro Unit + DHW Tank
Hybrid Energy Source : Solar Collector (field supply)
Back-up Boiler (field supply)

System Types – Tank Integrated Mono
What is EHS
Both water heating and hot water supply
Reversible (water cooling enable)
Mono Unit + DHW Tank
Hybrid Energy Source : Solar Collector (field supply)
Back-up Boiler (field supply)

Preparation of installation
Precautions
IMPORTANT: When installing the unit, always remember to connect first the refrigerant tubes, then the electrical lines.Always disassemble the electric lines before the refrigerant tubes.
▶ Upon receipt, inspect the product to verify that it has not been damaged during transport.If the product appears damaged, DO NOT INSTALL it and immediately report the damage to the carrier or retailer (if the installer or the authorized technician has collected the material from the retailer.)
▶ After completing the installation, always carry out a functional test and provide the instructions on how to operate the air to water heat pump to the user.
▶ Do not use the air to water heat pump in environments with hazardous substances or close to equipment that release free flames to avoid the occurrence of fires, explosions or injuries.
▶ While in installation or relocation of the product, do not mix the refrigerant with other gases including air or unspecified refrigerant.Failure to do so may cause pressure increase to result in rupture or injury.
▶ Do not cut or burn the refrigerant container or pipings.
▶ Use clean parts such as manifold gauge, vacuum pump, and charging hose for the refrigerant.
▶ Installation must be carried out by qualified personnel for handling the refrigerant.Additionally, reference the regulations and laws.
▶ Be careful not to let foreign substances (lubricating oil, refrigerant other than R-32, water, etc.) enter the pipings.
▶ When mechanical ventilation is required, ventilation openings shall be kept clear of obstruction.
▶ For disposal of the product, follow the local laws and regulations.
▶ Do not work in a confined place.
▶ The work area shall be blocked.
▶ The refrigerant pipings shall be installed in the position where there are no substances that may result in corrosion.
▶ The following checks shall be performed for installation:
- The ventilation devices and outlets are operating normally and are not obstructed.
- Markings and signs on the equipment shall be visible and legible.

Preparation of installation
Precautions
▶ Upon leakage of the refrigerant, ventilate the room.When the leaked refrigerant is exposed to flame, it may cause generation of toxic gases.
▶ Make sure that the work area is safe from flammable substances.
▶ To purge air in the refrigerant, be sure to use a vacuum pump.
▶ Note that the refrigerant has no odour.
▶ The units are not explosion proof so they must be installed with no risk of explosion.
▶ This product contains fluorinated gases that contribute to global greenhouse effect.Accordingly, do not vent gases into the atmosphere.
▶ For installation with handling the refrigerant(R-32), use dedicated tools and piping materials.
▶ Servicing and installation shall be performed as recommended by the manufacturer.In case other skilled persons are joined for servicing, it shall be carried out under supervision of the person who is competent in handling flammable refrigerants.
▶ For servicing the units containing flammable refrigerants, safety checks are required to minimise the risk of ignition.
▶ Servicing shall be performed following the controlled procedure to minimize the risk of flammable refrigerant or gases.
▶ Do not install where there is a risk of combustible gas leakage.
▶ Do not place heat sources.
▶ Be cautious not to generate a spark as follows: Do not remove the fuses with power on.
Do not disconnect the power plug from the wall outlet with power on.
It is recommended to locate the outlet in a high position.Place the cords so that they are not tangled.
▶ If the indoor unit is not R-32 compatible, an error signal appears and the unit will not operate.
▶ After installation, check for leakage.Toxic gas may be generated and if it comes into contact with an ignition source such as fan heater, stove, and cooker.cylinders, make sure that only the refrigerant recovery cylinders are used.
▶ Never directly touch any accidental leaking refrigerant.
▶ This could result in severe wounds caused by frostbite.

Indoor unit / Outdoor unit compatibility
Preparation of installation

Move the unit
▷ Moving the indoor unit with a fork lift
- elect the moving route in advance.
- Be sure that moving route is safe from weight of
the indoor unit.
▷ Moving the outdoor unit with a fork lift
- Insert the fork into the wooden pallet at the bottom of
the outdoor unit carefully.
Be careful that the fork does not damage the outdoor
unit.
Preparation of installation
▷ Moving the outdoor unit by wire rope
- Fasten the outdoor unit by two 8m or longer wire ropes as
shown at the figure. To prevent from damage or scratches,
insert a piece of cloth between the outdoor unit and rope,
then move the unit.
▷ Moving the indoor unit with a fork lift
- Insert the fork into the wooden pallet at the bottom of
the outdoor unit carefully.
Be careful that the fork does not damage the outdoor
unit.
- A minimum of two people should lift the unit by the
handles

Pipe limitation – 4/6/9 kW 1 fan Split outdoor unit
General guide of pipe drawing
H1
ODU is lower
then IDU
H2
ODU is higher
then IDU
※ Check installation manuals to find more information
Mono
Split
TDM

Additional refrigerant charging
[ SPLIT ]
Mono
Split
TDM

- Use a tube Cutter
ASTM standard copper pipe
Follow the minimum thickness & temper grade.
Otherwise pipe may be broken due to high pressure
Use proper tool
- Removing burr
- Block the end of pipe to prevent
foreign substance entering
Cutting
Burring
Covering
* Brazing required to keep pipe more than 1 month on site
Copper pipe
Copper pipe
Tube cutter
De-burring tool
Mono
Split
TDM

Nitrogen gas blowing
Nitrogen gas blowing
- To prevent buildup of non-condensable substances in the refrigerant pipes, nitrogen blowing must be used during brazing of copper connections
- Failure to use nitrogen while brazing will cause accumulation of oxides at the compressor, various strainers, and expansion valves impacting performance and causing premature failure
Mono
Split
TDM

Nitrogen gas blowing
Nitrogen gas blowing
Good
Bad
open
open
Nitrogen is not available to stay in the pipe
Connect a nitrogen tank near the point that will be brazed
Using a flow regulator, maintain 5.0ℓ/min [1.76 ft³/hr] of dry nitrogen
If flow is too low, it will not effectively prevent oxide formation
If flow is too high, it will be difficult to make a quality brazed connection
Maintain flow after brazing is complete until pipe is no longer hot
Mono
Split
TDM

- Make sure that there are no foreign materials and impurities inside the pipe.
- Use socket when need brazing for connecting pipes.
Brazing
Brazing
Mono
Split
TDM

1) Installing the hanger bolt(or others like ladder tray )
- Φ12.7 or less : 1.5m or less
- Φ15.88 or more : 2m or less
* If the distance is longer, pipe might be sagged by its weight
2) Insulating the pipe (Refer to Insulation work)
- Keep the tape or cap end of each side
3) Hanging the pipe
- Insert Insulation pad between pipe & hanger to prevent
insulation being pressed
Mounting
Mounting
a
a x 3
Mono
Split
TDM

Perform the air Tight Test to check leakage with Nitrogen gas
- Block end of each pipe by Pinching & brazing
- Connect one of Gas & Liquid pipe , Install Pressure gage.
- Pressurize nitrogen gas
HP : Gas & Liquid
HR : Gas & Liquid & High pressure
Factory setting
- EEV : Full Open
- Sol. valve : Normally Close
Airtight Test
Airtight Test
If outdoor unit is connected & manifold gauge is not enough then charge through low pressure gas service valve for both HP & HR
Mono
Split
TDM

※ Test Pressure
- R-32 : 46.9kgf/cm2 = 4.6Mpa = 667.2psi
1. Maintains 4.6MPa for 24 hours. If no leakage, then pressure down to 1MPa.
2. If there is pressure drop then find leak point and
3. Maintain 1MPa(145psi) until connecting the outdoor/indoor units to prevent corrosion in the copper pipes.
Nitrogen pressurization
Airtight Test
Airtight Test
Mono
Split
TDM

1) Insulate the refrigerant pipe based on the proper thickness of insulator for each pipe size.
The standard condition is 30 °C & less than humidity 85%.
(If the condition is in high humidity, use one grade thicker)
2) Use EPDM insulation which meets the following condition.
* Seaside, Hot spring, Swimming pool, etc should be be treated as high humidity condition
Insulation
Insulation of pipe
Mono
Split
TDM

Put the pipe in EPDM insulation carefully so that the pipe will not get damaged with EPDM.
Apply bond on both side of cut surface. Make sure to use the correct type of bond for EPDM
Dry it until it becomes thick, sticky and does not get detached.
Use the original uncut insulation material.
Only in special case is the vertical cutting of the insulation allowed.
Apply bond both sides of the surface of EPDM and press them together for long lasting bonding.
Dry it until it becomes thick and sticky.
Bring face to face the each end of EPDM on fitting connection part.
Make fitting cover to fit the EPDM insulation. Fitting cover should be overlapped with insulation min 1inch(2.5m).
Bond the both cutting sides of fitting cover.
Case 1
Case 2
EPDM length should be longer then pipe length.
Do not extend EPDM by force
Case 3
- All the refrigerant pipe & Drainpipe should be insulated to prevent dewing on the pipe.
Insulation of pipe
Insulation
Mono
Split
TDM

- Refrigerant pipe before EEV kit or without EEV kit
You can contact the gas side and liquid side pipes
? The pipes should not be pressed.
When contacting the gas side and gas side pipe
? Use 1 grade thicker insulator.
- Refrigerant pipe after EEV kit
After EEV kit leave 10mm space between gas and liquid pipe.
When contacting the gas side and liquid side pipe
? Use 1 grade thicker insulator otherwise dewing may occur.
Insulation of indoor unit’s pipe
Insulation
Mono
Split
TDM

Wire pipe (tube)
Selection of wire and circuit breaker
Install the pipe (tube) for power and communication wires separately.
PVC pipe
Steel sheet
* Piping work can be different in compliance with the regulation in local area
Example)
Mono
Split
TDM

- Select a solderless ring terminal for a power cable according to the nominal dimensions of cable.
- Apply insulation coating to the connection part of the solderless ring terminal and the power cable.
Solderless ring terminal
Selection of wire and circuit breaker
Mono
Split
TDM

Wire selection
Selection of wire and circuit breaker
Let your electrical engineer the MCA value
(they will care about country regulation & their knowhow)
If they have no idea
Check your country regulation and follow
Decide how to install the cable (spec of wire will be different)
Check the spec of each cable
Calculate correct factor by condition
Select proper cable size
Mono
Split
TDM

Address can be check(set) easily by following the step
Step 1. Print attached form
Step 2. Put the S/N sticker on the form with No. & Location
Step 3. Using S-net pro 2 set the indoor unit’s address & option by matching with S/N
Installation tip
Keep the installation information
S-net pro 2 software
Mono
Split
TDM

Required tool
Tube cutter & de-burring tool
Hands tools
Manifold Set (dedicated for R-32)
Flaring Tool (45º Flare)
Vacuum pump & Pressure gauge
Torque Wrench
Torch Set & brazing rod
Nitrogen and flow gauge
Scale & leakage detector
Nitrogen gas

Tank intergrated Hydro unit
Example of application
Installation information
Mounting the Hydro unit
Charging a water into the system

1. Space heating + Water heating
Example of application
An example of field supply scope
space heating devices : Radiator or Fan coil unit
water heating devices : Pipe
control devices : Room controller, thermostat, mixing valve
Mono
Split
TDM

2. Hybrid application (Back-up boiler and solar panel connected)
Example of application
Mono
Split
TDM
An example of field supply scope
space heating devices : Radiator or Fan coil unit
water heating devices : Pipe
control devices : Room controller, thermostat, mixing valve
Solar system, Back-up boiler

Accessories
Installation information
Mono
Split

Split
Main components
Mono
Split

Mono
Mono
Split

Dimensional drawing of Hydro unit
Installation information
Mono
Split

Installation of the Indoor unit
Installation information
The indoor unit should be installed indoors and meet the following conditions.
Installation site should be sheltered from frost.
In area with suitable space for servicing.
A place with adequate ventilation.
Where there is no risk of leakage of flammable gases.
There is a provision for condensate drain and pressure relief valve blow-off.
The wall for installation is a flat, vertical and non-combustible wall, capable of supporting the operation
weight of the
Installation space
Ensure to leave the appropriate space as indicated in the drawing.
Installation site should be secured with adequate ventilation so that
the components of hydro unit will not be damaged from overheating.
Mono
Split

Mounting the Hydro unit
Installation information
A minimum of two people should
lift the unit by the handles and
not by the drain pan or pipe work.
기구작업
추가수정 필요
Mono
Split

Base construction and installation of the Tank hydro unit
Installation information
Manufacturer is not responsible for the damage occurred by not following the installation standards.
1. Considering the vibration and weight of the Tank hydro unit, strength of the base ground must be strong enough
to prevent noise and the top part of the base ground has to be flat.Adjust the level controller to make fixed
controller has to be min.10 mm higher than level controller.
2. Base ground should be 1.5 times larger than the bottom of the Hydro unit.
3. When concrete construction for Tank hydro unit installation is completed, install an anti-vibration pad(t=20 mm or
more) or an anti-vibration frame(vibration transmissibility=5 % and below) to prevent vibration of the outdoor unit
from transferring to the base ground.
Mono
Split

Drain Work
Installation information
In the cooling operation, defrost water may be produced from the pipes or tank.
Produced defrost water must be drained through the drain hole.
When the drain plug is used, make sure that it is located at a height of 100 mm or more from the floor.
When the drain plug is used, make sure to install it at one of the positions marked in the figure below.
When the drain plug is not used, make sure to plug it with the drain cap.
Mono
Split

Refrigerant pipe work
Charging a water into the system
For all guide lines, specifications regarding refrigerant pipe work between the indoor unit and the outdoor unit,
please follow the outdoor unit installation manual.
Mono
Split

Water pipe work
Charging a water into the system
The hydro unit is equipped with components listed on the table below.
The hot and cold water supply connections are clearly marked on the unit with labels. And service valves are provided.
Whole water plumbing system including Hydro unit shall be installed by a qualified technician and must comply with all relevant European and national regulations.
Allowable water pressure of hydro unit is maximum 3.0 bar.
An air-vent valve is integrated on the hydro unit. Please check that air-vent valve is not overtightened so the
air-vent valve can release any air out of the system during system operation.
Mono
Split

Charging a water into the system
When filling water, the following start-up procedure should be followed.
1. All system components and pipes must be tested for the presence of leaks.
2. Make-up water assembly or Flushing unit is recommended for installation and service.
3. Before connecting pipes to the hydro unit, Flush water pipes clean to remove contaminants during 1 hours using
a flushing unit or tap water pressure if it is adequate (at 2 to 3 bar)
4. Fill water into the hydro unit by opening service valves.
5. Purge the air.(Fill with a flushing unit with sufficient capacity: avoid aerating the water)
6. Circulate for long enough to ensure that all air has been bled from the complete water
piping system.
After installations, Commissioning should be performed by qualified representatives.
Unless flushing and air-purging works are performed adequately, It might result in
malfunctions.
Charging a water into the system
Mono
Split

Charging a water into the system (Caution !!)
Check and clean strainer periodically.
Replace strainer when necessary.
Its recommended that you flush the system for 4 hours minimum once a per annum.
Use chemical cleaning agents(Begin with acid , finish with alkali).
Install Air vents on the top of the system
The complete water circuit, including all pipe must be insulated to prevent condensation forming on the surface of the pipe and
heat loss to external environment.
Charging a water into the system
Mono
Split

Charging a water into the system (Caution !!)
Service space should be secured.
Water pipe and connections must be cleaned using water.
If internal water pump capacity is not enough, install external water pump.
Do not connect electric wire while water charging.
When initial installation or re-installation required, open the cap to prevent air trap in the unit while charging water.
The back-up heater vessel shall be full of water before heater is turned on. Confirm if the vessel is empty by opening the pressure
relief valve of hydro unit. (OK if water is flowing out)
It is recommended to install the make-up water assembly to feed small quantities of water to the system automatically, replacing the minor water losses and maintaining the system pressure.This assembly usually consists of a pressure-reducing valve, water filter, check-valve and shut-off valves.In this case, Check-valve must be installed to prevent from contaminating city water.
Charging a water into the system
Mono
Split

How to choose an expansion vessel
When it is required to change the default pre-pressure of the expansion vessel(1 bar), keep in mind the following guidelines:
Use only dry nitrogen to set the expansion vessel pre-pressure.
Improper setting of the expansion vessel pre-pressure will make malfunction of the system.
Therefore, the pre-pressure should be adjusted by a licensed installer.
Charging a water into the system
Mono
Split
TDM

How to choose a water pump
The illustration below shows the external static pressure of the unit depending on the water flow and the pump setting.
When ESP is not enough, additional pump should be installed. In this case, install the PWM control external type pump
(Heating type) additionally.
Charging a water into the system
ALL Model : GRUNDFOS UPMM 25-9.5 (Heating Type)
The additional pump should be the same
type of product as graph.
If there is wrong wiring, the pump will not
work properly.
Mono
Split
TDM

Freeze protection
Freeze protection solutions must use propylene glycol with a toxicity rating of Class 1 as listed in Clinical Toxicology of
Commercial Products, 5th Edition.
• Ethylene glycol is toxic and must not be used in the primary water circuit in case of any cross-contamination of the potable circuit.
Charging a water into the system
※ Changing Glycol concentration can
cause pressure drop of the system and
it can reduce water flow rate.
Mono
Split
TDM

Split outdoor unit
Installation information
Wiring

Space requirements
Installation information
Mono
Split
TDM

Base and anchor bolts
Installation information
AE040/050/060RX**EG
AE080/090/120/160RXYD*G
Mono
Split
TDM

Drainage
In case there is not enough space for drainage of the unit, additional drain works are required.
Make space more than ** between the outdoor unit and the ground for installation of the drain hose.
Insert the drain plug into the hole on the bottom of the outdoor unit.
Connect the drain hose to the drain plug.
Make sure dusts or small branches should not go into the drain hose.
Cover other drain holes which are not connected to drain plug with drain caps.
AE090/120/140/160JXED*H
AE040/060JXEDEH
Installation information
Mono
Split
TDM

For Power Cable, use the grade H07RN-F
or H05RN-F materials.
When installing the indoor unit,
outdoor unit use the double shielded
(Tape aluminium /
polyester braid + copper ) cable of
FROHH2R type.
Wiring
Mono
Split
TDM

Mono outdoor unit
Installation information
Wiring

Drainage
In case there is not enough space for drainage of the unit, additional drain works are required.
Make space more than ** between the outdoor unit and the ground for installation of the drain hose.
Insert the drain plug into the hole on the bottom of the outdoor unit.
Connect the drain hose to the drain plug.
Make sure dusts or small branches should not go into the drain hose.
Cover other drain holes which are not connected to drain plug with drain caps.
AE090/120/140/160JXED*H
AE040/060JXEDEH
Installation information
Mono
Split
TDM

Water pipe connection
Allowable water pressure of outdoor unit is maximum 3.0 bar (static Pressure).
Be careful not to deform the unit piping by using excessive force when connecting the piping.
Deformation of the piping can cause the unit to malfunction.
Always use two wrenches (spanners) for tightening or loosening the water connections, and tighten
connections with a torque wrench as specified in below table. If not, connections and parts can be
damaged and leaks.
Installation information
Mono
Split
TDM

Charging a water into the system (Caution !!)
Installation of Filter / Strainer is mandatory for water system. The Filter or Strainer shall be located in front of
inlet pipe of PHE. (Filter mesh : #50) The strainer must be cleaned after flushing the pipes, and it should be
cleaned periodically. Replace strainer when necessary.
In case that the water piping would be located in a higher position than the air vent of the unit, it is necessary to
add additional ones in the highest position of water circuit. The air vent should be located both where water
temperatures are the highest and where the height of pipes are the highest.
The complete water circuit, including all piping must be insulated to prevent condensation forming on the
surface of the pipe and heat loss to external environment, as well as prevention of freezing of the outside water
piping during winter time. The thickness of the sealing materials must be at least 9 mm (0.035 W/mK).
MONO Unit does not have a pressure relief valve. The valve shall prevent abnormal water pressure from
damaging the system by opening at 3.0 bar.
Charging a water into the system
Pressure Relief
Valve
Air vent
for water piping
Strainer
Filter mesh
#50
Water Pipe
Insulation
Mono
Split
TDM

Flow Sensor
Flow sensor is not an integrated part of ODU. But the installation is essential to operate MONO Unit.
Mono type tank integrated hydro unit is basically installed it.
Flow sensor is provided by Samsung control kit (MIM-E03CN) as a sub component.
Flow sensor shall be installed described by installation manual of Mono unit or Control kit.
All electric wiring works shall be implemented by manuals which Samsung provided.
Before completing the installation works, make sure to check if the flow switch is installed in horizontal and if flow direction is in
parallel with pipe direction.
(Straight length of In pipe of flow sensor shall have 10 times length in diameter and Straight length of Out pipe of flow sensor
shall have 5 times length in diameter)
Charging a water into the system
Flow Sensor
Mono
Split
TDM

Freeze protection
Freeze protection solutions must use propylene glycol with a toxicity rating of Class 1 as listed in Clinical Toxicology of
Commercial Products, 5th Edition.
• Ethylene glycol is toxic and must not be used in the primary water circuit in case of any cross-contamination of the potable circuit.
Charging a water into the system
※ Changing Glycol concentration can
cause pressure drop of the system and
it can reduce water flow rate.
Mono
Split
TDM

How to choose a expansion vessel
When it is required to change the default pre-pressure of the expansion vessel(1 bar), keep in mind the following guidelines:
Use only dry nitrogen to set the expansion vessel pre-pressure.
Improper setting of the expansion vessel pre-pressure will make malfunction of the system.
Therefore, the pre-pressure should be adjusted by a licensed installer.
Charging a water into the system
When Expansion vessel has a capacity 8 liters and 1bar pre-charged:
Water volume of total system for reliable performance is minimum 50liters.
Mono
Split
TDM

For Power Cable, use the grade H07RN-F
or H05RN-F materials.
When installing the indoor unit,
outdoor unit use the double shielded
(Tape aluminium /
polyester braid + copper ) cable of
FROHH2R type.
Wiring
Mono
Split
TDM

External wiring and set up with
Hydro unit, Control kit
Board features
Information of connecting terminal block
External contact information

Control box features
Control kit control panel (Mono)
Hydro unit control panel (Split/Mono)
Mono
Split
TDM

Hydro unit / Control kit board
Board features
Mono
Split
TDM

Main board of Hydro unit & Control kit(mono)
Board features
Mono
Split
TDM

Information of connecting terminal block
Main Power
ELCB
Mixing V/V
Solar Pump
Room
thermostat1
Room
thermostat2
3way V/V
(DHW)
2way V/V
(Zone#2)
FCU
2way V/V
(Zone#1)
UFH
Additional
Water
Pump
Water Pump
Backup
Boiler
Booster Heater
Relay
Relay
Mono
Split
TDM

External contact of Hydro unit and Control kit
Booster heater (Inside of DHW tank)
Sensor
OD 6mm / 103 AT
Booster heater power out
Mono
Split
TDM

Inverter water pump and PWM
External contact of Hydro unit and Control kit
PWM signal (Inverter pump only)
1. Inverter pump inside of Hydro unit
2. Only 1 Inverter pump can be controlled
3. Inverter pump
Mono
Split
TDM

External contact information
Additional pump (Fixed)
※ When connect multi water pump to 1 port,
Magnet contactor must be used to prevent
electrical failure what happened in the port.
Mono
Split
TDM

External contact information
Mixing valve
※ Hydro unit or Control kit power should be turned off before the installation.
Select a mixing valve as recommended and install at the entrance position of each zone
Mono
Split
TDM

External contact information
Mixing valve temperature sensor
Mono
Split
TDM

External contact information
Backup boiler
※ Control kit power should be turned off before the installation.
※ Make sure external control signal of backup boiler must be 230 Vac.
※ Heat pump does not work when the back-up boiler operate.
※ Heat pump product only supply a power which can operate the on/off switch
Mono
Split
TDM

External contact information
2 way valves
※ When outlet water temperature reach to lower than
16 °C in cooling mode, UFH loops will be close
Mono
Split
TDM

External contact information
3 way valve for DHW
Mono
Split
TDM

External contact information
Thermostats
※ Contact signal must be “L“.
If you install two thermostats,
thermostat2 is prior to thermostat1.
Mono
Split
TDM

External contact information
Solar pump signal for DHW
In operating mode, signal shall be around 230Vac B/W N&L.
In non-operating mode, signal shall be around 0Vac B/W N&L.
Mono
Split
TDM

External contact information
Peak Control (FSV 5041 = “1”)
Mono
Split
TDM
※ Smart grid signal input connector (2m)
. According to FSV (#5042),
If input is “0 (default)”, Back up heater (BUH) is unavailable while external contact is high.
If input is “ 1”, Only Compressor(Heat Pump) is available.
If input is “ 2”, Only Booster Heater (BSH) is available.
If input is “3”, nothing is available.
. Applying the control when power voltage of input contact is high is default. According to FSV (#5043), it is available to adopt this
logic in low condition exceptionally.
. When applying to this logic, SAMSUNG controller come to get “Thermo off” condition for all operation.

External contact information
Frequency Ratio Control (FSV 5051 = “1”)
Mono
Split
TDM
This is to limit the maximum frequency of the outdoor unit compressor. (if #5051 = 1 “use”)
External DC signal Control uses a DC voltage of 0 ~ 10V (0v = 50%, ~ 10v = 150%)
The minimum ~ maximum frequency section being divided with 11 steps of 10%

Switches of unit
Switch configuration (Outdoor unit / Hydro unit / Control kit)
Hydro unit / Control kit option setting
External contact information

Outdoor unit main board feature
Switch configuration
Mono
Split
TDM
1 main PCB
1 main PCB

Outdoor unit main board – Tact switches
Switch configuration
Case study )
K2 x 2 = The inverter checker mode.
Sequence is as follows.
Wait 10 seconds -> During 5 second, the checked mode transmission
with the inverter -> wait 5 seconds
(The checked mode transmission release) -> key operation release
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Switch configuration
Outdoor unit main board – View mode by k4 tact switch
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1. Press the K2 switch for 2 seconds, only if compressor stop.
2. Press the K1 switch shortly to change the option number (SEG1, SEG2)
3. Press the K2 switch shortly to change the option value (SEG3, SEG4)
4. Press the K2 switch for 2 seconds to store the changed option
All the segments blink to indicate the changed option has been stored
• Press K1 for 2 seconds to return to the original option. (Before option change store)
• Press K4 to set all the option values to the factory default. And then press K2 for 2 seconds
Press K2 for 2 seconds to store the factory setting values to EEPROM.
Outdoor unit option setting by Tact switches
Option setting
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Outdoor option table
Option setting

Hydro unit / Control kit – Dip switches
Option setting
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Hydro unit / Control kit – Dip switches (Emergency space heating operation)
Option setting
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Hydro unit / Control kit – Dip switches (Emergency DHW operation)
Option setting
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When pipes of floor heating are installed, operation for reinforcing concrete curing is applied. (Period of operation: 23 days)
Entering procedure
1. After turning off the DIP switch K3 of indoor unit (Default ON), power off and on the
indoor unit. The operation for concrete curing starts automatically.
(If blackout occurs and communictation restarts later, operation will continue.)
2. Temperature of discharge water is controlled as time goes on like below.
3. Remaining days are displayed on the wired remote controller during operation but key
operation is unavailable.
Option setting
Hydro unit (Concrete curing function)
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Remaining days are displayed.
* If an error is displayed, concrete curing function
does not work.

Field Setting Value
Service Mode Setting
Field Setting Value

Remote controller Overview (MWR-WW00N)
Service mode Setting
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01 Operation status display
- Displays the operation/function settings and statuses.
02 Operation On/Off button (LED display)
- Turns the Air to Water Heat Pump power On/Off
03 Up/Down button
- Moves between items vertically or changes the set temperature.
04 Left/Right button
- Moves between items horizontally or changes the item value.
05 OK button
- Saves your new settings.
06 Save & Return button
- Saves your new settings and returns to the previous step.
07 Option button
- Selects the detailed setting function.

How to set the service mode with wired remote controller (MWR-WW00N)
Service mode Setting
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If you want to use the various additional functions for your Wired Remote
Controller, press the and buttons at the same time for more than
3 seconds.
• The password entry screen appears.
Enter the password, 0202, and then press OK the button.
• The settings screen for installation/service mode appears.
3. See the list of additional functions for the Wired Remote Controller on the next
page, and then select the desired menu.
• Once you have entered the setting screen, the current setting appears.
• Refer to the chart for data setting.
• Using the / buttons, change the settings and press the button
to move to the next setting.
• Press the OK button to save the new setting.
• Press the button to move to the Home screen.
NOTE
• While setting the data, you can press the button to move to the Home
screen after checking the saving status at a pop-up screen.

Service mode table
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Service mode Setting
1. Unavailable functions are marked inactive and they cannot be set.
2. If communication initialization is needed after the setting, the system will reset automatically and communication
will be initialized.

Service mode table
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Service mode Setting

Service mode table
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Service mode Setting

Service mode table
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Service mode Setting

Service mode table
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Service mode Setting

Service mode table
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Service mode Setting

Service mode table
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Service mode Setting
1)* Power Master Reset is a setting needed to supply optimized power to wired remote controller when multiple indoor units are
connected to wired remote controller in a group.
2)* The total option codes are 24 digits. You can set six digits at a time and it is distinguished by page number. Press the XX
button to move to the next page.

FSV : Menus 10**
: New
Operation range expansion by exchanging to the compressor for R-32
. Max water out temp. for heating : 55 → 65℃
. Max DHW Tank temp by Heat pump : 50 → 55℃
* New compressor for R-32 : The operation range was expanded more than previous one.
Field Setting Value

FSV : Menus 10**
Space Cooling
* Target water outlet temperature : Upper limit(#1011, Default 25ºC, Range : 18 ~ 25ºC),
Lower limit(#1012, Default 16ºC, Range : 5 ~ 18ºC)
With this default FSV settings, user can change the target water outlet temperature within the range of 5 ~ 25ºC for cooling
* Target room temperature : Upper limit(#1021, Default 30ºC), Lower limit(#1022, Default 18ºC) With this default FSV settings, user
can change the target room temperature within the range of 18 ~ 30ºC for cooling.
Space Heating
* Target water outlet temperature : Upper limit(#1031, Default 55ºC, Range : 37 ~ 65ºC),
Lower limit(#1032, Default 25ºC, Range : 15 ~ 37ºC)
With this default FSV settings, user can change the target water outlet temperature within the range of 15 ~ 65ºC for heating.
* Target room temperature : Upper limit(#1041, Default 30ºC), Lower limit(#1042, Default 16ºC) With this default FSV settings, user
can change the target room temperature within the range of 16 ~ 30ºC for heating.
DHW Heating
* Target DHW tank temperature : Upper limit(#1051, Default 55ºC, Range : 50 ~ 70ºC),
Lower limit(#1052, Default 40ºC, Range : 30 ~ 40ºC)
With this default FSV settings, user can change the target tank temperature within the range of 30 ~ 70ºC for DHW heating.
Field Setting Value

FSV : Menus 20**
: New
Field Setting Value

FSV : Menus 20**
Water Law
- This function is used by room sensor of wired remote controller or Thermostat control.
* Only heating mode can use this function during auto mode.
#2011
#2012
#2031
FCU WL
Floor WL
#2021
Ta
Ts
#2032
#2022
#2051
#2052
#2061
Floor WL
FCU WL
#2071
Ta
Ts
#2062
#2072
*FCU(Fan Coil Unit)
*FCU(Fan Coil Unit)
(Set temperature)
(Ambient temperature)
(Set temperature)
(Ambient temperature)
Field Setting Value

FSV : Menus 2091/2092
External Room Thermostat (Field Option)
( #2091 = 1, #2092 = 1 )
Judgment for “Thermo On” or “Thermo Off” : According to thermostat signal only.
( #2091 = 2~4, #2092 = 2~4)
Judgement for “Thermo On” or Thermo Off” : According to thermostat signal or *WL follow target outlet temperature (TW2).
* WL : Water Law
Field Setting Value

FSV : Menus 2093
Wired Remote Controller
( #2093 = 1 )
Judgment for “Thermo On” or “Thermo Off” : According to room temp. sensor of wired remote controller only.
( #2093 = 2~4 )
Judgement for “Thermo On” or Thermo Off” : According to room temp. sensor of wired remote controller or *WL follow target outlet temperature (TW2).
* WL : Water Law
Field Setting Value

FSV : Menus 30**
: New
Field Setting Value

FSV : Menus 302* / 303*
- 302∗ : Heat pump variables for tank temp. control and combination
with booster heater
- 303∗ : Booster heater variables for combination with heat pump
[ DHW Tank water temperature thermo on/off control]
[ Time variation control of DHW and space heating mode]
Field Setting Value

FSV : Menus 302* / 303*
- 302∗ : Heat pump variables for tank temp. control and combination
with booster heater
- 303∗ : Booster heater variables for combination with heat pump
[ Time variation control of Heat pump and booster heater of DHW]
[ Thermo on/off control of Heat pump and Booster Heater]
※ FSV #3031 should be set as “1(On)” to use Booster Heater.
※ FSV #4022 should be set as “0(both) or 2(booster heater) to use booster heater
otherwise the booster heater can be operated in case of no Backup Heater demand.
Field Setting Value

FSV : Menus 304*
- 304∗ : Periodical disinfection heating of water tank [ Time variation control of Heat pump and booster heater of DHW]
(Time duration which satisfy the Disinfection target temperature.)
※ FSV #3041 should be set to use Disinfection mode.
※ FSV #3031 setting and DHW thermo on signal is ignored in case of disinfection mode.
* If the temp. doesn’t rise during disinfection, it will occur the E919.
Field Setting Value

FSV : Menus 30**
- 305∗ : Forced DHW operation
. FSV #3011, should be set ”1” (Yes) to use Forced DHW operation .
. Forced DHW mode shall be working depending on Timer setting
(#3051, #3052).
- 3061 : Solar panel Forced DHW operation
. #3061 “0” : Solar panel is not used.
. #3061 “1” : Solar panel is used
* Whenever solar panel on signal input -> Comp. off(only in DHW mode), Booster Heater off
* Solar panel and heat pump are able to operate simultaneously except DHW mode.
. #3061 “2” : Solar panel is not used and DHW thermostat is used.
Field Setting Value

FSV : Menus 308*
- 308∗ : Energy metering
- To check energy information of system, user should set to FSV #308* according to heater (BUH, BSH) capacity.
. In order to get the exact value, this should be set.
* The FSV #4021 should be set to BUH (Back Up Heater) use.
Field Setting Value

FSV : Menus 40**
: New
Field Setting Value

FSV : Menus 401*
- 401∗ : Heat pump variables for space heating
FSV #4011 for DHW priority is set to “0(DHW)” (Default) as a default. Space heating gets a priority by setting FSV #4011 “1”, but this is only valid when the outdoor temperature is lower than the specified temperature defined by FSV #4012.
Field Setting Value

FSV : Menus 402*
- 402∗ : Backup Heater variables for space heating
. FSV #4021 should be set to 1 (Use both BUH 1 and BUH 2) or 2 (Use a BUH 1) to use electric backup heater in hydro unit as an additional heat source.
. To compensate the lowered heat pump heating performance under very cold weather conditions,
the FSV #4023 should be set to “1(On, Default)”.
The threshold temperature to use backup heater for cold weather compensation: FSV #4024, Default “0˚C”, Range -25 ~ 35˚C
The backup heater operation is restricted to save energy in the threshold temperature range.
. The FSV #4022 for backup heater priority should be set to “2 (BSH, Default)” or “0” (Both), or “1” (backup) to use backup heater.
If not (Booster heater priority), the backup heater can be operated in case of no booster heater demand.
. The threshold temperature for backup heater operation during defrost mode to prevent cold draft because of chilled water can be
controlled by adjusting FSV #4025. Under FSV #4025 of water outlet temperature, backup heater Will be turned on.
Field Setting Value

FSV : Menus 403*
- 403∗ : External Backup Boiler for space heating
. FSV #4031 should be set to “1 (Yes)” to use a backup boiler as an additional heat source. (default: “0 (No installation)”)
. Priority of backup boiler and heat pump is defined by FSV #4032 (default: “0 (OFF)”)
. To compensate the lowered heat pump heating performance under very cold weather conditions, the backup boiler operates
instead of heat pump under the threshold temperature (FSV #4033, Default “-15˚C”, Range -20 ~ 5˚C).
Field Setting Value

FSV : Menus 404*
- 404∗ : Mixing valve installation
ΔT(heat) = Tw3 - Tw4
. The FSV #4041 should be set to “1 or 2” to use mixing valve.
※ #4041 =1 : Controlled based on the temperature difference (4042, 4043)
※ #4041 =2 : Controlled based on the temperature difference of the WL value
•• The mixing valve is controlled based on the FCU WL value.
•• As the #4044 value increases and the #4045 value decreases, the control speed increases.
(Temperature hunting may occur if the control speed increases depending on the load.)
•• The additional pump and mixing valve should be purchased separately. TW4 sensor is included in the product accessories.
•• TW3 : Water temp. sensor 3
Field Setting Value

FSV : Menus 405*
- 405∗ : Inverter pump control
The FSV #4051 should be set to “1 or 2” to use inverter pump control.
※ #4051 =1 : Use (Max 100%)
※ #4051 =2 : Use (Max 70%)
The FSV #4052 is for adjusting temperature difference between Tw2 and Tw1.
* Output signal of Inverter pump(%) = Current Inverter pump output (%) + ((Tw2-Tw1- FSV #4052) * FSV 4053
Field Setting Value

FSV : Menus 4061
- 4061 : Zone control
The FSV #4061 should be set to “1(Yes)” to zone control.
Field Setting Value

FSV : Menus 50**
: New
Field Setting Value

FSV : Menus 502*
- 502* : DHW Saving mode
Economic DHW Heating . DHW heating only by the heat pump to save energy.
Target DHW temperature is lower than the temperature set by user.
The temperature difference is defined by FSV #5021. (default: 5°C) If user sets the temperature 45°C, the system sets the target
temperature 40°C with the default setting.
If user want additional energy saving, use a “Saving mode” (#5022, default : 0, OFF)
The user can set the “Thermo On” temperature during “Saving mode” using FSV #5023.
Field Setting Value

FSV : Menus 504*
- 504* : Power peak control
Peak Power Control (FSV 5041 = 1)
. If users make contracts with local electric power company for limiting the amount of power consumption when a surge in power
usage, users can set FSV of “Forced off”.
. And According to FSV (#5042), If input is “0 (default)”, Back up heater (BUH) is unavailable while external contact is high.
If input is “ 1”, Only Compressor(Heat Pump) is available.
If input is “ 2”, Only Booster Heater (BSH) is available.
If input is “3”, nothing is available.
. Applying the control when power voltage of input contact is high is default. According to FSV (#5043), it is available to adopt this
logic in low condition exceptionally.
. When applying to this logic, SAMSUNG controller come to get “Thermo off” condition for all operation.
Field Setting Value

FSV : Menus 5051 (FR control)
This is to limit the maximum frequency of the outdoor unit compressor. (if #5051 = 1 “use”)
External DC signal Control uses a DC voltage of 0 ~ 10V (0v = 50%, ~ 10v = 150%)
The minimum ~ maximum frequency section being divided with 11 steps of 10%
Field Setting Value
※ ex) Normal operation
-10℃ Max Hz : 90
0℃ Max Hz : 75
10℃ Max Hz : 60
※ ex) FR 100% Control
-10℃ Max Hz : 60
0℃ Max Hz : 60
10℃ Max Hz : 60
※ ex) FR 80% Control
-10℃ Max Hz : 48
0℃ Max Hz : 48
10℃ Max Hz : 48

FSV : Menus 508*
- 508* : PV Control (Photovoltaics control)
- This is for energy saving by using the solar energy.
- The FSV #5081 should be set to “1(Yes)” for PV control.
* Except for how water mode, This function is activated only for the outing mode.
Cooling mode (FSV #5082 = 2℃, Default)
① Room sensor setting : Current setting value - FSV #5082 (Min = FSV #1022)
② Water outlet setting : Current setting value - FSV #5082 (Min = FSV #1012)
③ Water law setting : Current setting value - FSV #5082 (Min = FSV #2061, #2062, #2071, #2072)
Heating mode (FSV #5083 = 2℃, Default)
① Room sensor setting : Current setting value + FSV #5083 (Max = FSV #1041)
② Water outlet setting : Current setting value + FSV #5083 (Max = FSV #1031)
③ Water law setting : Current setting value + FSV #5083 (Max = FSV #2021, #2022, #2031, #2032)
Hot water mode
- Forced thermo on regardless of outing mode : Setting temperature = Max temperature of hot water mode (FSV #1051)
Field Setting Value

FSV : Menus 509*
Operation mode for Smart Grid
1) Mode 1 : Forced thermo off of all system
2) Mode 2 : Normal operation
→ Normal control is performed.
(normal determination of operation ON / OFF, Thermo ON / OFF)
- 509* : Smart Grid Control
- The FSV #5091 should be set to “1(Yes)” for PV control.
Field Setting Value

FSV : Menus 50**
3) Mode 3 : When operating on, the setting temperature is reflected as follows (FSV #5092 =2℃, #5093 = 5℃, Default)
→ The heating and hot water setting temperature are set by the FSV setting value.
① Heating mode (Room sensor setting) : Current setting value + FSV #5092 (Max = FSV #1041)
② Heating mode (Water outlet setting) : Current setting value + FSV #5092 (Max = FSV #1031)
③ Heating mode (Water law setting) : Current setting value + FSV #5092 (Max = FSV #2021, #2022, #2031, #2032)
④ How water mode : Current setting value + FSV #5093 (Max = FSV #1051)
4) Mdoe 4 : When operating on, the setting temperature is reflected as follows
Hot water mode
① #5094=0 : Normal operation (Heat pump is operated.) : Target setting temperature is 55℃.
② #5094=1 : Power/Forced hot water operation (Heat pump + Booster heater are operated.) : Target setting temperature is 70℃.
Heating mode
① Heating mode (Room sensor setting) : Current setting value + FSV #5092 + 3℃ (Max = FSV #1041)
② Heating mode (Water outlet setting) : Current setting value + FSV #5092 + 5℃ (Max = FSV #1031)
③ Heating mode (Water law setting) : Current setting value + FSV #5092 + 5℃ (Max = FSV #2021, #2022, #2031, #2032)
Field Setting Value

Special mode
Self-Test mode
- Enter the self-test mode using wired remote controller, * Load list : When pressing the corresponding button, you can set the load On or Off.
* Can set the load On or Off.