Installation
28
Air-to-Water Heat Pump
Installation of the final check
No.
Check point
Description
1
Connection of Water
Inlet/Outlet
- Check if the shut-off valves should be assembled
with Water inlet and outlet pipe of the unit
- Check the location of the water inlet/outlet water pipe
2
Hydraulic pressure
- Check the pressure of supplying water by using
pressure gage Outside the unit
- Pressure of Supplying water should be Under 3.0 bar
approximately
3
Water pump speed
- To secure enough water flow rate, do not set water
pump speed as ‘Min’.
- It can lead unexpected flow rate error CH14.
(Refer to Chapter 4 ‘Water Piping and Water Circuit
Connection’)
4
Transmission line and
power source wiring
- Check if Transmission line and power source wiring
are separated from each other.
- If it is not, electronic noise may occur from the power
source.
5
The power cord
specifications
- Check the power cord specifications
(Refer to Chapter 4 ‘Connecting Cables’)
6
3Way Valve
- Water should flow from Water outlet of the unit to
sanitary tank Water inlet when sanitary tank heating
is selected.
- To verify the flow direction, Make sure that the water
outlet temperature of the unit and water inlet
temperature of sanitary Water tank are similar
7
Air Vent
- Air-vent must be located highest level of Water pipe
system
- It should be installed at the point which is easy to
service.