Multi Variable Air Conditioners Duct Type Indoor Unit
8
3.4 Wiring Requirements
(1) Power Cord Size and Air Switch Capacity
Minimum Sectional
Area of Ground Wire
Minimum
Sectional Area of
Power Cord
220~240V-1ph-50Hz
208~230V-1ph-60Hz
Notes:
① Use copper wire only as unit’s power cord. Operating temperature should be within its
rated value.
② If the power cord is more than 15m long, please increase properly the sectional area of
power cord to avoid overload, which may cause accident.
③ Above selection requirements: Power cord size is based on BV single-core wire (2~4pc) at
40°Cambient temperature when laying across plastic pipe. Air switch is D type and used at 40°C.
If actual installation condition varies, please lower the capacity appropriately according to the
specifications of power cord and air switch provided by manufacturer.
④
If the supply cord is damaged, it must be replaced by the manufacturer or its service agent
or a similarly qualified person in order to avoid a hazard.
(2) Install cut-off device near the unit. The minimum distance between each stage of cut-off
device should be 3mm(The same for both indoor unit and outdoor unit).
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