R410a DC Inverter 60Hz Carrier service manual
106 Installation
1.2 Installation Procedure
1.2.1 Importance of the Installation Operation
Effect of installation issues on equipment:
1.2.2 General procedure
Pipe pre-install engineering ...............................Ensure that the water drainage pipe inclines downward
Installing indoor unit Make sure the model is correct.
Refrigerant piping engineering ...........................Keep the refrigerant pipes dry, clean and sealed
Water drainage piping engineering ......................Downward inclination
Air duct engineering........................................Ensure sufficient ventilation rate
Thermal insulation engineering...........................Ensure no gap between the thermal insulation materials
Insufficient refrigerant Overheated running Compressor fault
Filth blockage of refrigerant pipe
Leakage of refrigerant pipe
Product of the chemical reaction between ice or water of
throttling parts and the refrigerant damages the insulation
Moisture of refrigerant pipe
Degraded efficiency or
abnormal protection
Improper
installation
Degraded heat exchange effect of indoor unit
No maintenance space leading to difficult in upkeep
Poor heat dissipation of outdoor unit
No insulation test for power supply line
Damaged electric parts
Cross connection between power cable and signal
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