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3. Remote Controller Servicing Functions
5
VRF SYSTEMS Indoor Unit
<Procedure of CZ-RTC4>
1
Press and hold the and buttons
simultaneously for 4 seconds or longer.
2
The unit No. “X-X” (main unit No.), item code “
”
(sensor address), and servicing monitor “ ”
(sensor temperature) are displayed on the remote
controller LCD display. (See Fig. 3-11 at right.)
3
Press the temperature setting /
and select the item code to the address of the
buttons
sensor to monitor.
4
If group control is in effect, press the
to select the unit to monitor.
button
Press the temperature setting buttons to select the
item code to change.
5
Press the button to return to normal remote
controller display.
Fig. 3-11
NOTE
The temperature display appears as “- - - -” for unit that are not connected.
* If monitor mode is engaged while normal operation is in progress, only the parts of the LCD display shown in the
figure will change. Other parts continue to display the same information as during normal operation.
* Display shows a discharge temperature of
00XX at unit No. 1-1.
A
°
°
3
3
4
1
2
4 5
4
Indoor unit sensors Outdoor unit sensors
00 Room temp. controlled* * Refer to the Service Manual of Outdoor Unit.
01 Remote controller temp.
02 Indoor unit intake temp. (TA)
03 Indoor unit heat exchanger temp. E1 (E1)
04 —
05 Indoor unit heat exchanger temp. E3 (E3)
06 Discharge air temp. (BL)
07 Discharge air temp. setting
08 Indoor unit MOV pulse (MOV)
*Room temp. controlled: = Controlled room temperature
•Whenbodythermostatcontrolled:
Controlled room temperature = Indoor unit intake temp. (TA) – Intake temperature shift (*1)
•Remotecontrolthermostatcontrolled:
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
SM830232-02_欧州向けVRF Indoor SM&TRSM.indb 55 17/03/08 18:34:09
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