44
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
Water Inlet
Temp.
Sensor
Hex Water Outlet
Temp. Sensor
Water Outlet
Temp. Sensor
Refrigerant
Temp.
Sensor
Air
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
Muffler
Expansion
Valve
Model Piping
size
Rated Length (m)
Gas Liquid
For Heat
Pump Indoor
Unit
For
Hydromodule
+ Tank
Max
Elevation
(m)
Min. Piping
Length
(m)
Max. Piping
Length
(m)
Additional
Refrigerant
(g/m)
UX09*E5*, UX12*E5*,
UD12*E5*,
UD16*E5*, UX09*E8*,
UX12*E8*,
UX16*E8*, UD09*E8*,
UD12*E8*,
UD16*E8*
Ø15.88 mm
(5/8")
Ø9.52 mm
(3/8")
7 5
20
3 30 50
Example:
If piping length is 30m, the quantity of additional refrigerant should be 1000g. [(30-10)m x 50 g/m = 1000g]
GWP (R410A) = 2088