Panasonic U-26PE1U6 Technical Data & Service Manual page 259

<Procedure of CZ-RTC4>
Sensor Temperature Display Function (Displayed both when operating and stopped)
1 Press and hold the
The below check procedure can be used to display
simultaneously for 4 seconds or longer.
all remote controller, indoor unit, and outdoor unit
2 The unit No. "X-X" (main unit No.), item code "
sensor temperatures.
(sensor address), and servicing monitor "
<Check procedure>
(sensor temperature) are displayed on the remote
(1) Press and hold the button and button simultaneously
controller LCD display. (See Fig. 3 at right.)
for 4 seconds or longer.
3 Press the temperature setting
(2) Unit No. X-X (main unit No.), item code XX (sensor
and select the item code to the address of the
address), and service monitor 00XX (sensor tem-
sensor to monitor.
perature) appear on the remote controller LCD. (See
If group control is in effect, press the
4
figure.)
to select the unit to monitor.
(3) Press the temperature setting and buttons and
Press the temperature setting buttons to select the
change the item code to the sensor address of the
item code to change.
sensor that you want to monitor.
(For the relationship between the sensor address and
5 Press the button to return to normal remote
the sensor type, refer to the below Sensor Tempera-
controller display.
ture Correlation Table.)
(4) During group control and simultaneous operation
multi control, press the button and change to the unit
that you want to monitor.
(5) Press the button to return to normal remote controller
operation.
NOTE
NOTE
The temperature display reads "- - - - " for units that are
The temperature display appears as "- - - -" for units that are not connected.
not connected.
* If monitor mode is engaged while normal operation is in progress, only the parts of the LCD display shown in the
If monitor mode is selected during normal operation,
the only parts of the LCD that change are those
figure will change. Other parts continue to display the same information as during normal operation.
shown in the figure.
All other displays do not change, and remain as they
were during normal operation.
Sensor Temperature Correlation Table
Sensor installation Sensor
o l c t a o i n a
Indoor unit
Outdoor unit
and buttons
/ buttons
button
Sensor type
d d e r s s
00 Room temp.
(temp. used for control)*
01 Remote controller temp.
02 Indoor intake temp.
03 Indoor heat exchanger temp. (E1 )
04 Indoor heat exchanger temp. (E2 )
0A Discharge temp. (TD)
0 b
0 C
0d Intake temp. (TS )
0E Outdoor heat exchanger temp. (C1 )
0F Outdoor heat exchanger temp. (C2 )
1 0
11 Outdoor air temp.
"
"
°
A
3 4 5
* Display shows a discharge temperature of
00XX at unit No. 1-1.
Figure: Sample display when discharge
temperature at unit No. 1-1 is 185˚F
Sensor
a d d e r
05
06
07
08
09
12
– 1
– 1
15
16
17
– 1
19
* Main unit only when group control is enabled
4-15
4. Service procedures
°
CZ-RTC4
1
Fig. 3
Sensor type
s s
–
Discharge temp.
–
–
–
–
3 –
4 C r u e r t n
(AC current)
Outdoor electronic control
valve position
–
–
8 –
–
3
4
2
4
4