Trial Operation And Testing - Daikin R410A Installation Manual

Trial Operation and Testing

1.
Trial operation and testing
(1) Measure the supply voltage and make sure that it falls in the specified range.
(2) Trial operation should be carried out in either cooling or heating mode.
Trial operation from remote controller
(1) Press ON/OFF button to turn on the system.
(2) Simultaneously press center of TEMP button and MODE button.
(3) Press MODE button twice.
(" " will appear on the display to indicate that Trial Operation mode is selected.)
(4) Trial operation mode terminates in approx. 30 minutes and switches into normal mode. To quit the trial operation, press
ON/OFF button.
In cooling mode, select the lowest programmable temperature; in heating mode, select the highest programmable tempera-
ture.
• Trial operation may be disabled in either mode depending on the room temperature.
• After trial operation is complete, set the temperature to a normal level (79°F (26°C) to 82°F (28°C) in cooling mode, 68°F
(20°C) to 75°F (24°C) in 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, are working
properly.
* T he 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.
* I f 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 turned on 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.
Drain pipe is properly installed.
System is properly grounded.
The specified wires are used for interconnecting wire connections.
Indoor or outdoor unit's air inlet or discharge has clear path of air.
Shut-off valves are opened.
Indoor unit properly receives remote controller commands.
12
Test items
Symptom
(diagnostic display on RC)
Fall, vibration, noise
Incomplete cooling/heating
function
Water leakage
Water leakage
Electrical leakage
Inoperative or burn damage
Incomplete cooling/heating
function
Inoperative
Check
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