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Trial Operation and Testing
1.
Trial operation and testing
• Trial operation should be carried out in either COOL or HEAT operation.
1-1. Measure the supply voltage and make sure that it is within the specified range.
1-2. In COOL operation, select the lowest programmable temperature; in HEAT operation,
select
the highest programmable temperature.
1-3. Carry out the trial operation in accordance with the operation manual to ensure that all
functions and parts, such as flap movement, are working properly.
• For protection, the system disables restart operation for 3 minutes after it is turned off.
1-4. After trial operation is complete, set the temperature to a normal level (26°C to 28°C in
COOL operation, 20°C to 24°C in HEAT operation).
• When operating the air conditioner in COOL operation in winter, set it to the trial operation mode using the following
method.
1) Press
2) Press
3) Press
• Trial operation will stop automatically after about 30 minutes.
To stop the operation, press
• Some of the functions cannot be used in the trial operation mode.
• The air conditioner draws a small amount of power in its standby mode. If the system is not to be used for some time after
installation, shut off the circuit breaker to eliminate unnecessary power consumption.
• If the circuit breaker trips to shut off the power to the air conditioner, the system will restore the original operation mode
when the circuit breaker is opened again.
2.
Test items
Indoor and outdoor units are installed properly on solid bases.
No refrigerant gas leaks.
Refrigerant gas and liquid pipes and indoor drain hose extension are
thermally insulated.
Draining line is properly installed.
System is properly earthed.
The specified wires are used for inter-unit wiring.
Indoor or outdoor unit's air inlet or air outlet are unobstructed
Stop valves are opened.
Indoor unit properly receives remote control commands.
English
,
and
at the same time.
, select
, press
or
to turn on the system.
.
Test items
.
Fall, vibration, noise
Incomplete cooling/heating function
Water leakage
Water leakage
Electrical leakage
Inoperative or burn damage
Incomplete cooling/heating function
Incomplete cooling/heating function
No operation
Symptom
Check
13
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