20 _ Air-to-Water Heat Pump
Part 1. Monobloc Unit
7. Piping Diagram
Category Symbol Meaning
PCB
Connector
Remarks
Field
Installation
Th12
W/TANK water temperature
sensor
CN_TH4
- Th12 and Th13 are connected at 4pin
type connector CN_TH4
- Th12 is a part of Domestic Hot Water
Tank kit. (model: PHLTB)
- Th13 is a part of solar thermal kit.
(model: PHLLA)
Th13
Solar-heated water temperature
sensor
F/S Flow switch (no connector)
Strainer Strainer (no connector)
- Filtering and stacking particles inside
circulating water
W/TANK Domestic Hot Water Tank (no connector)
- 3rd party accessory and field
installation (sold separately)
- Generating and storing Domestic hot
water by AWHP or built-in electric
heater
3WAY V/V_1
- Flow control for water which is
leaving from unit
- Flow direction switching between
under-floor and water tank
CN_3WAY(A)
- 3rd party accessory and field
installation (sold separately)
- SPDT type 3way valve is supported
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)
- 3rd party accessory and Field
installation! (sold separately)!
- SPDT type 3way valve is supported
W_PUMP/2 External Water Pump
CN_W/PUMP
(B)
- 3rd party accessory and Field
installation (sold separately)
- External water pump can be used
when water pump of Solar Thermal
System is incapable of circulation,
(External pump can not be used in
place of Built-in pump. )
City Water
Water to be heated by unit and
B/HT of W/TANK
(no connector) - Field installation
Shower Water supplied to end-user (no connector) - Field installation
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 by LG AWHP
Solar-Kit.
(no connector)
- 3rd party accessory and Field
installation (sold separately)
To Next Page
Loading...
Need help?
General