AIR-TO-WATER HEAT PUMP INSTALLATION
74
After connection of all waterway pipelines, perform leakage test firstly (refer to
debugging of the unit). After that, bind up the water pipes, water temp sensor and
wires with wrapping tapes attached with the unit.
Refer to Installation Sketch of Unit for details.
temp sensor 2
Blow-off Outlet
Cut-off Valve
Tap water
Filter
Safety check
valve
Hot water output
Water Tank
Temp Sensor 1
Indoor Unit
Cool Water
Inlet
Power cord of booster heater
Other
Thermal
System
Other Thermal sensor (less than 5 meters)
Joints Dimension
Description Joint pipe thread
Circulating water inlet/outlet of main unit
1″Male BSP
Cooling water inlet of water tank
1/2″Female BSP
Circulating water inlet/outlet of water tank
3/4″Female BSP
Hot water outlet of water tank
1/2″Female BSP
Note:
① Distance between main unit and insulated water tank should not exceed 5m
levelly and 3m vertically. If higher, please contact with us. Water tank on lower
and main unit on higher side is recommended.
② Prepare the materials according to the above joints dimension. If cut-off valve is
installed outside the room, PPR pipe is recommended to avoid freeze damage.
③ Waterway pipelines can’t be installed until water heater unit is fixed. Do not let
dust and other sundries enter into pipeline system during installation of
connection pipes.
④ After connection of all waterway pipelines, perform leakage test firstly. After that,
perform heat preservation of waterway system; meanwhile, pay more attention to
valves and pipe joints. Ensure enough thickness of insulated cotton. If necessary,
install heating device for pipeline to prevent the pipeline from freezing.
⑤ Hot water supplied from insulated water tank depends on pressure of water tap,
so there must be supply of tap water.
⑥ During using, the cut-off valve of cooling water inlet of water tank should be kept
normally on.
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