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6. Refrigeration and Water Cycle Diagram
O
U
T
D
O
O
Expansion
Valve
Strainer
Defrost
Sensor
Pipe
Temp.
Sensor
Air
Temp.
Sensor
Heat
Exchanger
out
Accumulator
High
Pressure
Sensor
Compressor
Refrigerant Cycle (Heating)
Water Cycle
Refrigerant Cycle (Cooling)
Model
WH-SDC12/14/16F6E5
WH-UD12/14/16FE5
* If piping length is over common length, additional refrigerant should be added as shown in the table.
Outdoor
R
U
N
T I
Side
Strainer
Eva.
Exit
2-Way
Temp.
Valve
Sensor
in
4-Way
Valve
Pressure
Switch
Muffler
Compressor Discharge
Temp. Sensor
Compressor Tank
Temp. Sensor
Piping size
Gas
Liquid
Ø15.88 mm
Ø9.52 mm
(5/8")
(3/8")
Indoor
Side
Expansion
Liquid
Vessel
Side
(3-Way
Valve)
Pipe
Temp.
Sensor
Sensor 2
Drain
Backup Heater
Sensor 1
Gas
Side
(3-Way
Valve)
Rated
Max
Length
Elevation
(m)
5 ~ 7.5
27
N I
D
O
O
R
U
N
T I
Water
Pressure
Gauge
Water
Capillary
Flow
Tube
Switch
Water
Pump
Pipe
Temp.
Sensor
Heat
Control
Exchanger
Panel
Pipe
Temp.
Pressure
Relief
Valve
Pipe
Temp.
Min.
Piping
Length
Length
(m)
(m)
20
3
Water
Inlet
(Connect
to
Sanitary
Tank)
Water
Outlet
(Connect
to
Sanitary
Tank)
Max.
Additional
Piping
Refrigerant
(g/m)
(m)
30
50
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