English
22
English
Trial Operation and Testing
Trial operation and testing
1.
Measure the supply voltage and make sure that it falls in the speci
fi
ed range.
1-1
For trial operation, make sure to perform either COOL or HEAT operation, and RADIANT operation.
1-2
In cooling mode, select the lowest programmable temperature; in heating mode, select the highest programmable tem-
•
perature.
Trial operation may be disabled in either mode depending on the room temperature.
1)
Use the remote controller for trial operation as described below.
After trial operation is complete, set the temperature to a normal level (26°C to 28°C in cooling mode, 20°C to 24°C in
2)
heating mode).
For protection, the system disables restart operation for 3 minutes after it is turned off.
3)
Carry out the test operation in accordance with the operation manual to ensure that all functions and parts,
1-3
such as louver movement, are working properly.
The air conditioner requires 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.
Trial operation from remote controller
Press “ON/OFF” button to turn on the system.
1)
Press “TEMP” button (2 locations) and “MODE” button at the same time.
2)
Press “TEMP” button and select “
3)
T
”.
Press “MODE” button.
4)
Trial operation terminates in approx. 30 minutes and switches into normal mode. To quit a trial operation, press
5)
“ON/OFF” button.
Test items
2.
Test items
Symptom
Check
Indoor and outdoor units are installed properly on solid bases.
Fall, vibration, noise
No refrigerant gas leaks.
Incomplete cooling/heating
function
Refrigerant gas and liquid pipes and indoor drain hose extension are
thermally insulated.
Water leakage
Draining line is properly installed.
Water leakage
System is properly earthed.
Electrical leakage
The speci
fi
ed wires are used for inter-unit wiring.
Inoperative or burn damage
Indoor or outdoor unit’s air inlet or air outlet has clear path of air.
Stop valves are opened.
Incomplete cooling/heating
function
Indoor unit properly receives remote control commands.
Inoperative
The radiant panel is not cooled during COOL operation. The radiant panel
is not heated during HEAT operation.
Incomplete cooling/heating
function
The radiant panel is heated during RADIANT operation.
Incomplete radiant function
01_EN_3P276870-1.indb 22
01_EN_3P276870-1.indb 22
2/23/2011 5:04:28 PM
2/23/2011 5:04:28 PM