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3. Remote Controller Servicing Functions
2WAY SYSTEM
Trouble Diagnosis
6
3. Remote Controller Servicing Functions
2WAY SYSTEM
Trouble Diagnosis
Sensor Temperature Relationship Table
*Room temp. controlled: = Controlled room temperature
•When body thermostat controlled:
Controlled room temperature = Indoor unit intake temp. (TA) – Intake temperature shift (*1)
•Remote control thermostat controlled:
Controlled room temperature = Remote controller temp.
*1 Intake temperature shift: This is the shift value considered the temperature difference between the upper area
and lower area of the room in heating mode.
It is the value of the code “06” in the indoor unit’s EEPROM setting.
Cooling mode: = 0
Location where sensor
is installed
Sensor address Sensor type Sensor address Sensor type
Indoor unit
Remote controller temp.
Room temp. controlled*
Discharge air temp. (BL)
Discharge air temp. setting
Indoor unit intake temp. (TA)
Indoor unit heat exchanger
temp. E1 (E1)
Indoor unit MOV pulse (MOV)
Indoor unit heat exchanger
temp. E3 (E3)
Outdoor unit
Unit
No. 1
Unit
No. 2
Unit
No. 3
Unit
No. 1
Unit
No. 2
Unit
No. 3
Discharge temp. 1 (DISCH1)
Discharge temp. 2 (DISCH2)
High-pressure sensor temp.
Heat exchanger gas 1 (EXG1)
Heat exchanger liquid 1 (EXL1)
Heat exchanger gas 2 (EXG2)
Heat exchanger liquid 2 (EXL2)
Low-pressure sensor temp.
Suction temp. (SCT)
Detected oil temp. 1 (OIL1)
Outdoor air temp. (TO)
Inverter primary current 1
CT2
MOV pulse 1 (MOV1)
MOV pulse 2 (MOV2)
Discharge temp. 3 (DISCH3)
CT3
MOV pulse 4 (MOV4)
Detected oil temp. 2 (OIL2)
Detected oil temp. 3 (OIL3)
Actual operating frequency
Temp. sensor at refrigerant gas
outlet of dual-tube temp. (SCG)
<Procedure of CZ-RTC3>
1
Keep pressing the , and
buttons simultaneously for 4 or more seconds.
The “Maintenance func” screen appears on the
LCD display.
2
Press the or button to see each
menu.
If you wish to see the next screen instantly, press
the or button.
Select “5. Sensor info.” on the LCD display and
press the button.
Select the “Unit no.” by pressing the or
button for changes.
Then press the button.
Display sensor information of the unit.
Refer the information by pressing the or
button.
CZ-RTC3
Maintenance func
1. Outdoor unit error data
2. Service contact
3. RC setting mode
4.Test run
Sel. Page [ ] Confirm
20:30 (THU)
Maintenance func
5. Sensor info.
6. Servicing check
8. Detailed settings
Sel. Page [ ] Confirm
20:30 (THU)
7. Simple settings
Sensor info.
Unit no. Code no. Data
Sel. Next
20:30 (THU)
01
02
00
0028
0026
0026
1-1
Sensor info.
Unit no. Code no. Data
Scroll
20:30 (THU)
01
02
00
0028
0026
0026
1-1
Sensor info.
Unit no. Code no. Data
Scroll
20:30 (THU)
01
02
00
0028
0026
0026
1-1
SM830204-05_2WAY SYS.indb 7 2015/01/20 17:45:17
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