Filter
Top Products
11
10. ON-SITE SETTING AND OTHERS
1. Indoor Unit
1.1 Trial Operation Setting by Remote Controller only.
The lamps on the unit blink during trial operation.
<Wired remote controller>
1
Press on the R/C for 4 seconds. When “TRIAL OPERATION” appears on the LCD, press .
• “TRIAL OPERATION” appears on the LCD during trial operation.
• Trial operation disables temperature control, but allows fan speed control.
• An instruction of fixed frequency is issued for cooling and heating of trial operation.
• Alarm detection is performed as usual.
The trial operation mode must be used for its original purpose only, because it stresses the air conditioner.
2
Choose COOL or HEAT mode only for trial operation.
• (Note) Outdoor unit does not run about 3 minutes after power on or operation stop.
3
Repress after trial operation and confirm that “TRIAL OPERATION” disappears from the LCD.
Wired remote controller has 60-minute timer reset function to prevent continuous trial operation.
Checking wiring and piping of indoor/outdoor units
1. Open the front panel of the indoor unit.
2. Press [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 operation does not start, recheck the wiring.
3. Repress [TEMPORARY] for about one second to stop trial operation. The vertical airflow flap
closes and the operation stops.
Checking signal transmission from R/C
1. Press [ON/OFF] on the R/C to check for normal operation using R/C.
• To enter AUTO mode, press [TEMPORARY] once
for about one second.
For forcible cooling, press [TEMPORARY] for 10
seconds or more.
• COOL operation specified by R/C may not start
depending on temperature conditions.
Use forcible cooling operation to check wiring and
piping of indoor/outdoor units.
[TEMPORARY]
button
– 54 –