21
6. Refrigeration and Water Cycle Diagram
T
I
N
U
R
O
O
D
N
I
T
I
N
U
R
O
O
D
T
U
O
Pipe
Temp.
Sensor
Low
Pressure
Sensor
Water Inlet
Temp. Sensor
Hex
Water Outlet
Temp. Sensor
Water Outlet
Temp. Sensor
Refrigerant
Temp.
Sensor
Air
Temp.
Sensor
Bypass
Exit
Temp.
Sensor
Eva.
Exit
Temp.
Sensor
Defrost
Sensor
Backup Heater
Indoor
Side
Outdoor
Side
Expansion
Vessel
Pressure
Relief
Valve
Control
Panel
Water
Flow
Switch
Water
Pump
Water
Inlet
(Connect
to
Sanitary
Tank)
Water
Outlet
(Connect
to
Sanitary
Tank)
Drain
Refrigerant Cycle
Water Cycle
Heat
Exchanger
Heat
Exchanger
Strainer
Strainer
4-Way
Valve
Gas
Side
(3-Way
Valve)
Liquid
Side
(2-Way
Valve)
Accumulator
Pressure
Switch
High
Pressure
Sensor
Compressor
Discharge
Temp. Sensor
Compressor
Tank
Temp. Sensor
Compressor
Water
Pressure
Gauge
Capillary
Tube
Strainer
Strainer
Subcooler
Expansion
Valve
(Bypass)
Muffler
Expansion
Valve
Air Purge Valve
Piping size
Model
Gas Liquid
Rated
Length
(m)
Max.
Elevation
(m)
Min.
Piping
Length
(m)
Max.
Piping
Length
(m)
Additional
Refrigerant
(g/m)
WH-SHF09F3E8
WH-UH09FE8
WH-SHF12F9E8
WH-UH12FE8
Ø15.88 mm
(5/8")
Ø9.52 mm
(3/8")
5~7.5
20 3 30 70
* If piping length is over common length, additional refrigerant should be added as shown in the table.
