For installers and professionals
Note: For your safe use in winter, it’s strongly recommended to equip heating priority
function. For the detailed wiring diagram, please refer to Appendix 1.
3
．
Options for protecting devices and cable specification
MODEL
IPH20 IPH25 IPH28 IPH35 IPH45 IPH55 IPH70 IPH70T IPH100T
Breaker Rated Current
A
10.5 11 12 13 16 21 25 9 12
Rated Residual
Action Current
mA
30 30 30 30 30 30 30 30 30
Fuse A
10.5 11 12 13 16 21 25 9 12
Power Cord（mm
2
）
3×1.5 3×2.5 3×2.5 3×2.5 3×2.5 3×4 3×6 5×2.5 5×2.5
Signal cable（mm
2
）
3×0.5 3×0.5 3×0.5 3×0.5 3×0.5 3×0.5 3×0.5 3×0.5 3×0.5
NOTE: The above data is adapted to power cord ≤ 10m .If power cord is
＞
10m, wire diameter must be
increased. The signal cable can be extended to 50m at most.
2.3. Trial after installation
Please check all the wirings carefully before turning on the heat pump.
2.3.1
．
Inspection before use
① Check installation of the whole heat pump and the pipe connections according to the
pipe connecting drawing;
② Check the electric wiring according to the electrical wiring diagram and earthing
connection;
③ Make sure that the main power is well connected;
④ Check if there is any obstacle in front of the air inlet and outlet of the heat pump
2.3.2
．
Trial
①
The user is advised to start the water pump before the heat pump, and turn off the
heat pump before the water pump for long life circle.
②
The user should start the water pump, and check for any leakage of water; Power on
and press the ON/OFF button of the heat pump, and set desired temperature in the
13
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