standards and regulations in the country where the system is installed.
② In places open to the public, or where required by law, an emergency stop button or power
disconnect switch should be installed near the heat pump.
IV. Running Test
1. Inspection Before Running Test
a. Running test can begin after completing all installation;
b. Before running test, confirm below items and write √ in block;
● Correct unit installation □
● Power supply voltage is the same as unit rated voltage □
● Correct piping and wiring □
● Air inlet & outlet port of unit is unblocked □
● Drainage and venting is unblocked and no water leaking □
● Leakage protector is working □
● Piping insulation is working □
● Ground wire is connected correctly □
c. All wiring and piping should be connected well and carefully checked, then fill water tank with water
before power is switched on;
d. Emptying all air within pipes and water tank, press “on-off” button on control panel to run the unit at
setting temperature;
e. Items need to be checked during running test:
◆ During the first running, unit current is normal or not;
◆ Each function button on control panel is normal or not;
◆ Display screen is normal or not;
◆ Are there any leakage in the whole heating circulation system ;
◆ Condensate drain is normal or not;
◆ Are there any abnormal sound or vibration during running.
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