Toyotomi CTN-228W User Manual page 52

Test operation
1. Preparation of test operation
• The client approves the air conditioner.
• Specify the important notes for air conditioner to the client.
2. Method of test operation
• Put through the power, press ON/OFF button on the remote controller to
start operation.
• Press MODE button to select AUTO, COOL, DRY, FAN and HEAT to check
whether the operation is normal or not.
• If the ambient temperature is lower than 16ºC, the air conditioner can't start
cooling.
Pipe expanding method
NOTE: Improper pipe expanding is the main cause of refrigerant leakage.
Please expand the pipe according to the following steps:
A: Cut the pipe
• Confi rm the pipe length according to the distance of indoor unit and outdoor
unit.
• Cut the required pipe with pipe cutter.
B: Remove the burrs
• Remove the burrs with shaper and prevent the burrs from getting into the
pipe.
C: Put on suitable insulating pipe
pipe
pipe cut
pipe
downwards
leaning uneven burr
shaper
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