6-7
Service Checker
1
2
3
4
5
6
7
8
4. Monitoring Operations
Display the indoor unit and outdoor unit sensor temperatures.
<Operating procedure>
Press and hold the (CHECK) and (CANCEL) buttons simultaneously for
4 seconds or longer to engage temperature monitor mode.
During temperature monitoring, illuminates.
(The display and operations are the same as for monitor mode using the indoor
unit remote controller.)
Press the (UNIT) button and select the indoor unit to monitor.
Press the temperature setting and buttons and select the item
code of the temperature to monitor.
The unit No. of the selected indoor unit, and the temperature data, are displayed.
To end monitoring, press the (CHECK) button.
The display returns to the normal display.
NOTE
The display does not blink.
1
24 3
0A and subsequent items are outdoor unit data. 0A – 22 are for unit No. 1.
2A – 42 are for unit No. 2. 4A – 62 are for unit No. 3. 62 – 89 are for unit No. 4.
1. Outdoor Unit Maintenance Remote Controller
NOTE
Display of unit No. 1 (main unit)
Intake temp.
E1
E2
E3
Discharge temp.
Discharge temp. setting
Indoor unit electronic control valve position
Discharge temp. 1 at Compressor 1
Discharge temp. 2 at Compressor 2
High-pressure sensor temp.
Heat exchanger gas 1
Heat exchanger liquid 1
Heat exchanger gas 2
Heat exchanger liquid 2
Outdoor air temp.
Not used
Inverter primary current
Current at Compressor 2 (CT2)
MOV1 pulse
MOV2 pulse
Discharge temp. 3 at Compressor 3
Current at Compressor 3 (CT3)
MOV3 pulse
Heat exchanger gas 3
Heat exchanger liquid 3
Low-pressure sensor temp.
Suction temp.
Oil 1
Oil 2
Oil 3
Actual operating frequency
DN Description Remarks
STEP
A
A
STEP
STEP
A
STEP
Hz
Outdoor unit
Indoor unit
