Carrier X-POWER Series Service Manual page 88

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