Trial Operation - Daikin FTX-N Series Service Manual

SiUS041638EA

3. Trial Operation

Outline
1. Measure the supply voltage and make sure that it is within the specified range.
2. In cooling operation, select the lowest programmable temperature;
3. Carry out the trial operation following the instructions in the operation manual to ensure that all
4. After trial operation is complete, set the temperature to a normal level (78°F to 82°F (26°C to
Procedure
When operating the air conditioner in cooling operation in winter, or heating operation in summer,
set it to the trial operation mode using the following method.
With remote controller
(1) Press On/Off button to turn on the system.
(2) Press the center of Temp button and Mode button at the same time.
(3) Select " T " (trial operation) with Temp
(4) Press Mode button to start the trial operation.
(5) Press Mode button and select operation mode.
(6) Trial operation will stop automatically after about 30 minutes.
Test Items
Indoor and outdoor units are installed securely.
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 grounded.
Only specified wires are used for all wiring, and all wires are
connected correctly.
Indoor or outdoor unit's air inlet or air outlet are unobstructed.
Stop valves are opened.
Indoor unit properly receives remote controller commands.
Remote controller jumper setting is correct for the type of unit
(heat pump or cooling only).
Trial Operation and Field Settings
in heating operation, select the highest programmable temperature.
functions and parts, such as the movement of the flaps, are working properly.
 To protect the air conditioner, restart operation is disabled for 3 minutes after the system has
been turned off.
28°C) in cooling operation, 68°F to 75°F (20°C to 24°C) in heating operation).
To stop trial operation, press On/Off button.
(2) (4) (5)
Test items
 or Temp  button.
(3)
(1) (6)
(2) (3)
Fall, vibration, noise
Incomplete cooling/heating function
Water leakage
Water leakage
Electrical leakage
No operation or burn damage
Incomplete cooling/heating function
Incomplete cooling/heating function
No operation
Remote controller malfunctioning

Trial Operation

(R24542)
Symptom
108