LG Therma V HM091MRS Installation Manual page 30

GENERAL INFORMATION
30
Description
Category Symbol
S9 Refrigerant temperature sensor (Gas side)
S10 Refrigerant temperature sensor (Liquid side)
S11 Water temperature sensor (Water In)
S12 Water temperature sensor (Water Out)
F/S Flow Switch
E/HT Electric Heater
Unit
W_PUMP1 Internal Water Pump
EXP/TANK Expansion Tank
S14 Remote Air temperature sensor
CTR/PNL Remote Controller
2WAY V/V_1 To control water flow for Fan Coil Unit
M / F Magnetic Filter
W/TANK DHW Tank
B/HT Booster heater(in DHW tank)
Water
- Flow control for water which is leaving from unit.
Heating
3WAY V/V_1 - Flow direction switching between underfloor and
water tank
Water to be heated by Indoor unit and B/HT of
CITY WATER
W/TANK
SHOWER Water supplied to end-user
S15 W/TANK water temperature sensor
S16 Solar-heated water temperature sensor
- Flow control for water which is heated and
circulated by SOLAR THERMAL SYSTEM.
3WAY V/V_2
- Flow direction switching between SOLAR
THERMAL SYSTEM and W/TANK
Solar
Heating
W_PUMP/2 External Water Pump
- This system can include following components :
SOLAR
Solar panel, Sensors, Thermostats, Interim heat
THERMAL exchanger, Water pump, etc.
- To utilized hot water heated by SOLAR THERMAL
SYSTEM
SYSTEM, end-user must by LG AWHP Solar-Kit.
Meaning PCB Connector
CN_PIPE_OUT
CN_PIPE_IN
Water _OUT
CN_FLOW1
CN_E/HEAT(A)
CN_E/HEAT(B)
CN_MOTOR1
(no connector)
CN_ROOM
CN_REMO
CN_2WAY(A)
(No connector)
(no connector)
CN_B/HEAT(A)
CN_3WAY(A)
(no connector)
(no connector)
CN_3WAY(B)
CN_W/PUMP(B)
(no connector)
- Meaning is expressed based on Cooling mode.
Water _IN
- Optional accessory (sold separately)
- Model : HA**1A E1
- Heating capacity is divided into two level : partial
capacity by E/HEAT(A) and full capacity by
E/HEAT(A) + E/HEAT(B).
- Operating power(220-240 V~ 50 Hz) of E/HEAT(A)
and E/HEAT(B) are supplied by external power
source via relay connector and ELB.
- Water Pump is connected at CN_MOTOR1
- Absorb volume change of heated water,
- Optional accessory (sold separately)
- Model : PQRSTA0
rd
- 3 party accessory and Field installation (sold
separately)
- 2 wire NO or NC type 2way valve is supported.
rd
- 3 party accessory and Field installation (sold
separately)
- It is Mandatory to install an additional filter on the
heating water circuit.
- 3rd party accessory and Field installation (sold
separately)
- Generating and storing DHW by AWHP or built-in
electric heater
rd
- 3 party accessory and Field installation (usually
built-in at W/TANK)
- Supplying additional water heating capacity.
rd
- 3 party accessory and Field installation (sold
separately)
- SPDT type 3way valve is supported.
- Field installation
- Field installation
- S15 and S16 are connected at 4 pin type connector
CN_TH4.
CN_TH4
- S15 is a part of DHW tank kit.(Model : PHLTB)
- S16 is a part of solar thermal kit (Model:PHLLA)
rd
- 3 party accessory and Field installation (sold
separately)
- SPDT type 3way valve is supported.
rd
- 3 party accessory and Field installation (sold
separately)
- If water pump of SOLAR THERMAL SYSTEM is
incapable of circulation,external water pump can be
used.
rd
- 3 party accessory and Field installation (sold
separately)
Remarks