Instructions / Assembly

Ensure that there are no obstructions around the exhaust hose outlet (within 500mm) to allow
the exhaust system to work properly.
All illustrations in this brochure are for illustration purposes only. Your air conditioner may vary
slightly and the actual shape will prevail.
Cold Air Extension Duct Installation Guide
This accessory can be used in certain narrow spaces where it is not convenient to place the
equipment, such as cabs, where it can be used to deliver cold air to the specified position. When
adjusting the position of the cold air extension tube, one hand should be pressed against the
connector of the cold air extension tube.
Troubleshooting
Fault conditions
Digital tube
display code
Indoor ambient temperature
sensor failure
E1
Communication failure between
main board and display board
E3
Undervoltage protection
LO
Overvoltage protection
HI
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