6
THERMA V Split Type
Hydro Box Unit
4. Dimensions
4.1 Internal
AHNW16606A3 [HN1616 NK3], AHNW16809A3 [HN1639 NK3]
484
289.6
484
12311684.5
63.4
36.9
46.4
76 41
847.8
Description
No Name Remark
Ø9.52mm
1 Leaving Water Pipe Male PT 1 inch
2 Entering Water Pipe Male PT 1 inch
8 Thermal switch
Ø15.88mm
Max Head 9.5 / 7 / 6 m
Open at water pressure 3 bar
PCB and terminal blocks
3 Refrigerant Pipe
4 Refrigerant Pipe
5 Water Pump
6 Safety Valve
7 Control Box
Cut-off power input to electric heater at 90 °C
(manual return at 55C)
9 Flow Switch
Minimum operation range at 15 LPM.
10 Plate Heat Exchanger Heat exchange between refrigerant and water
Indicates circulating water pressure11 Pressure Gage
12 Expansion Tank
13 Air Vent
14 Electric Heater
Absorbing Volume change of heated water
Air purging when Charging water
Please refer to the below Page
‘Model name and related information’
15 Strainer
16 Shut-off valve
Filtering and stacking particles inside circulating water
To drain or to block water when pipe connecting
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