
53
GENERAL INFORMATION
ENGLISH
Description (For R32 Split)
Category
Symbol
Meaning
PCB Connector
Remarks
Indoor
Unit
S7
Refrigerant temperature sensor (Gas side)
CN_PIPE_OUT
- Meaning is expressed based on Cooling mode.
S8
Refrigerant temperature sensor (Liquid side)
CN_PIPE_IN
S9
Entering Water temperature sensor
CN_TH3
- S9, S10 and S11 are connected at 6 pin type
connector CN_TH3.
S10
Leaving Water temperature sensor
S11
Electric heater outlet temperature sensor
F/S
Flow Sensor
CN_F_METER
E/HT
Backup Heater
CN_E_HEAT_A
CN_E_HEAT_B
- 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(230 V AC 50 Hz) of E/HEAT(A)
and E/HEAT(B) are supplied by external power
source via relay connector and ELB.
W_PUMP1
Internal Water Pump
CN_MOTOR1
CN_W_PUMP_A
- Water Pump is connected at CN_MOTOR1 and
CN_W_PUMP_A
EXP/TANK
Expansion Tank
(no connector)
- Absorb volume change of heated water,
S12
Remote Air temperature sensor
CN_ROOM
- Optional accessory (sold separately)
- Model : PQRSTA0
CTR/PNL
Control Panel (or ‘Remote Controller’)
CN_REMO
- Pre built-in at indoor unit
2WAY V/V_1 To control water flow for Fan Coil Unit
CN_2WAY_A
- 3
rd
party accessory and Field installation (sold
separately)
- 2 wire NO or NC type 2way valve is supported.
M / F
Magnetic Filter
(No connector)
- 3
rd
party accessory and Field installation (sold
separately)
- It is strongly recommended to install an additional
filter on the heating water circuit.
Water
Heating
W/TANK
DHW Tank
(No connector)
- 3
rd
party accessory and Field installation
(sold separately)
- Generating and storing DHW by AWHP or built-in
electric heater
B/HT
Booster Heater
CN_B_HEAT_A
- 3
rd
party accessory and Field installation
(usually built-in at W/TANK)
- Supplying additional water heating capacity.
3WAY V/V_1
- Flow control for water which is leaving from
indoor unit.
- Flow direction switching between underfloor and
water tank
CN_3WAY_A
- 3
rd
party accessory and Field installation
(sold separately)
- SPDT type 3way valve is supported.
CITY WATER
Water to be heated by Indoor unit and B/HT of
W/TANK
(no connector)
- Field installation
SHOWER
Water supplied to end-user
(no connector)
- Field installation
S13
W/TANK water temperature sensor
CN_TH4
- S13 and S14 are connected at 4 pin type connector
CN_TH4.
- S13 is a part of DHW tank kit.(Model:PHLTA)
- S14 is a part of solar thermal kit (Model:PHLLA)
Solar
Heating
S14
Solar-heated water temperature sensor
3WAY V/V_2
- Flow control for water which is heated and
circulated by SOLAR THERMAL SYSTEM.
- Flow direction switching between SOLAR
THERMAL SYSTEM and W/TANK
CN_3WAY_B
- 3
rd
party accessory and Field installation
(sold separately)
- SPDT type 3way valve is supported.
W_PUMP/2 External Water Pump
CN_W_PUMP_B
- 3
rd
party accessory and Field installation
(sold separately)
- If water pump of SOLAR THERMAL SYSTEM is
incapable of circulation,external water pump can be
used.
SOLAR
THERMAL
SYSTEM
- This system can include following components
: Solar panel, Sensors, Thermostats, Interim heat
exchanger, Water pump, etc.
- To utilized hot water heated by SOLAR THERMAL
SYSTEM, end-user must install Solar-Kit
accessory (PHLLA) provided by LG
(no connector)
- 3
rd
party accessory and Field installation
(sold separately)
Содержание THERMA V
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