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2.10 Trial Operation
The unit should only be operated by qualified technician.
Please drain air inside hydraulic system before operation.
The unit is designed according to the conditions as follows: the range of ambient
temperature is -25
2.10.1 Preparation
The following items should be checked before startup:
a. The heat pump should be connected completely.
b. All valves that could impair the proper flow of the heating water in the heating circuit must be
open.
c. The air intake and air outlet paths must be cleared.
d. The ventilator must turn in the direction indicated by the arrow.
e. The settings of the heat pump controller must be adapted to the heating system in
accordance with the controller's operating instructions.
f. Ensure the condensate outflow functions.
g. Drain the air inside hydraulic system.
2.10.2 Trial run
Turn on the power, start up the unit by the controller, after 30 seconds, the unit (compressor)
start to work, then observe whether the unit works normally.
When you restart the unit, the compressor will start up after three minutes to protect the
compressor.
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and the range of water pressure is 0.15 0.8Mpa.
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