- 6 -
2.3 Trial Operation
l To ensure that start-up is performed correctly, it should only be operated by qualified technician.
l The heat pump water heater is designed according to the conditions as follows: the range of
ambient temperature is 0℃ ～ 43℃ and the range of water pressure is 0.15～ 0.8Mpa. The range of
water outlet temp. is 28 to 75℃, default hot water temp. is 60℃
● Make sure the piping system and water tank is filled up before commissioning, Do not press before
filling up the water tank. When there is water flowing out of the hot water outlet, that means the tank is full
of water.
● After the tank is full of water, connect the power of the unit, then press to turn it on. Observe if it
works normally.
2.4 Caution
If something occurs as follows, please stop it immediately and cut the power off. You should contact with our
authorized agent or maintenance personnel, don’t repair it by yourselves. Without professional technology, it
may cause fire and you may get hurt.
● Fuse blown or protection activated frequently
● The wire and switches are heated abnormally
● Abnormal sounds coming from the unit
● Abnormal smell comes out of the unit.
● Electricity leakage
Part III Control System
3.1 Description of Icons
① Flashing when compressor starts running
② Defrosting indication
③ Showing when the unit starts running
④ Auxiliary electrical heating indication (unused)
⑤ The desired temperature
⑥ Clock
⑦ Measured water tank temperature
⑧Timer of turning-on the unit
⑨Timer of turning-off the unit
To Next Page
