• Post-installation Inspection Items and Test Run
Post-installation Inspection Items
qesnoC dekcehC eB ot smetI uence of Improper Installation
Whether the installation is firm or not The unit may fall, vibrate or make a noise
Whether the inspection on air leakage is completed The refrigerating capacity (heating capacity) may be
insufficient
Whether the unit is fully insulated Condensation or drip may occur
Whether the drainage is smooth or not Condensation or drip may occur
Whether the power voltage is identical to that
marked on the nameplate
Failure may occur or the parts may be burned
Whether the circuit and pipeline are installed
correctly
Failure may occur or the parts may be burned
Whether the unit is safely earthed Electric leakage may occur
Whether the type of wire is in line with relevant
regulations
Failure may occur or the parts may be burned
Whether barriers are identified at the air inlet/outlet
of the indoor/outdoor unit
The refrigerating capacity (heating capacity) may be
insufficient
Whether the length of refrigerant pipes and the
refrigerant amount charged are recorded
The refrigerant amount charged cannot be confirmed
Test Run
Installation Instructions
7
Please consult your reseller and/or installer to determine if you have a DRED appliance.
1. Preparations
(1) Power on is not allowed before all the installation operations are completed and before the leak
detection is proven qualified.
(2) The control circuit shall be connected correctly and all the wires shall be firmly connected.
(3) The two-way stop valve and three-way stop valve shall be opened.
(4) All the scattered articles (especially the metal filing and thread residue) shall be removed from the unit
body.
2. Methods
(1) Switch on the power supply and press the “ON/OFF” on the remote controller, after which the air
conditioner will start operating.
(2) Press “Mode” to select refrigeration, heating and sweeping wind, and observe whether the air
conditioner is under normal operation.
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• DRED Installation Instruction
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Dred Installation Instruction
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