High Wall Type - Carrier RAV-SP180UT-UL Service Manual

10-2. High Wall Type

10-2-1. Test Run Setup on Remote Controller
<Wired remote controller>
TEST
1. When pushing button on the remote controller for 4 seconds or more, "TEST" is displayed on LC display.
ON / OFF
Then push
• "TEST" is displayed on LC display during operation of Test Run.
• During Test Run, temperature cannot be adjusted but air volume can be selected.
• In heating and cooling operation, a command to fix the Test Run frequency is output.
• Detection of error is performed as usual. However, do not use this function except case of Test Run
because it applies load on the unit.
2. Use either heating or cooling operation mode for [TEST].
NOTE
The outdoor unit does not operate after power has been turned on or for approx. 3 minutes after operation has
stopped.
3. After a Test Run has finished, push
(To prevent a continuous test run operation, 60 minutes timer release function is provided to this remote
controller.)
• Checking wiring and piping of indoor/outdoor units
1. Open the front panel of the indoor unit.
2. Push [TEMPORARY] button for 10 seconds.
The unit enters forcible cooling mode with a sound "pi". COOL operation starts forcibly about 3 minutes later.
Check whether cool air is discharged. If COOL opration does not start, recheck the wiring.
3. Push [TEMPORARY] for about 1 second to stop trial opration.
The vertical airflow louver closes and the operation stops.
• Checking signal transmission from remote controller
1. Push [ON/OFF] on the remote controller to check for nomal operation using remote controller.
• To enter AUTO mode, push
For forcible cooiing, push
• COOL operation specified by remote controller may not start depending on temperature conditions.
Use forcible cooling operation to check wiring and piping of iindoor/outdoor unit.
button.
TEST
button again and check that [TEST] on LC display has gone off.
[TEMPORARY] once for about 1 second.
[TEMPORARY] for 10 seconds or more.
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