Service Manual

SiUS181631EA Test Operation
Test Operation and Field Settings 121
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
(test operation) with Temp ▲ or Temp ▼ button.
(4) Press Mode button to start the test operation.
(5) Press Mode button and select operation mode.
(6) Test operation terminates in about 30 minutes and switches into normal mode. To quit test
operation, press On/Off button.
Test Items
Note: The test items above are for CTXS, FTXS as representative.
Refer to the installation manual for other series.
(R11676)
(2) (4) (5)
(1) (6)
(2) (3)
(3)
Test items
Symptom
(diagnostic display on RC)
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 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 heat pump or cooling only mode is selectable with the DIP
switch of the remote controller.
Remote controller malfunctioning