24
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
Pipe
Temp.
Sensor
Pipe
Temp.
Sensor 2
Pipe
Temp.
Sensor 1
Pipe
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 (Heating)
Water Cycle
Refrigerant Cycle (Cooling)
Heat
Exchanger
Heat
Exchanger
Strainer
Strainer
4-Way
Valve
Gas
Side
(3-Way
Valve)
Liquid
Side
(3-Way
Valve)
2-Way
Valve
Accumulator
in
out
Pressure
Switch
High
Pressure
Sensor
Compressor Discharge
Temp. Sensor
Compressor Tank
Temp. Sensor
Compressor
Water
Pressure
Gauge
Capillary
Tube
Strainer
Subcooler
Expansion
Valve
(Bypass)
Muffler
Expansion
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-S*C09*3E5
WH-U*09*E5
Cooling
WH-S*C12/14/16*6E5
WH-U*12/14/16*E5
WH-S*F09*3E5
WH-U*09*E5
Heating
WH-S*F12/14/16*6E5
WH-U*12/14/16*E5
Ø15.88 mm
(5/8")
Ø9.52 mm
(3/8")
5 ~ 7.5
20
3
30
50
* If piping length is over common length, additional refrigerant should be added as shown in the table.
