
89
Items to be checked
Possible malfunction
The gas valve and liquid valve of connection pipe are
open completely?
It may cause insufficient cooling (heating) capacity.
Test operation
1. Preparation of test operation
• The client approves the air conditioner installation.
• 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 16 °C, the air conditioner cannot start cooling.