MXS Service Manual

SiUS121736EA Trial Operation
Trial Operation and Field Settings 226
ARC466 Series
(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
 or Temp  button.
(4) Press Mode button to start the trial operation.
(5) Press Mode button and select operation mode.
(6) Trial operation terminates in about 30 minutes and switches into normal mode. To quit trial
operation, press On/Off button.
Test Items
Note: The test items above are for CTXS, FTXS series as representative.
Refer to the installation manual for the other series.
(R11676)
(2) (4) (5)
(1) (6)
(2) (3)
(3)
Test Items Symptom
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 grounded. Electrical leakage
The specified wires are used for inter-unit wire connections. Inoperative or burn damage
Indoor or outdoor unit’s air inlet or outlet has clear path of air.
Stop valves are opened.
Incomplete cooling/heating function
Indoor unit properly receives remote control commands. Inoperative
The heat pump or cooling only mode is selectable with the DIP
switch of the remote controller
Remote controller malfunctioning