Carrier 40TGV0131UP Service Manual page 76

9-1-5. Monitor Function of Remote Controller Switch
■ Calling of sensor temperature display
<Contents>
Each data of the remote controller, indoor unit and outdoor unit can be understood by calling the service monitor
mode from the remote controller.
<Procedure>
1
Push + buttons simultaneously for 4 seconds to
call the service monitor mode.
The service monitor goes on, the master indoor unit No. is
displayed at first and then the temperature of item code
displayed.
2
Push temperature set
the item code of data to be monitored.
The item code list is shown below.
Item code
01 Room temperature
(Remote controller)
02 Indoor suction temperature (TA)
03 Indoor heat exchanger (Coil)
temperature (TCJ)
04 Indoor heat exchanger (Coil)
temperature (TC)
07 Indoor fan revolution frequency
F2 Indoor fan calculated operation time
F3 Filter sign time
F8 Indoor discharge temperature*1
3
Push button to select the indoor unit to be monitored.
Each data of the indoor unit and its outdoor units can be monitored.
4
Pushing button returns the status to the usual display.
*1 The indoor discharge temperature of item code [F8] is the estimated value from TC or TCJ sensor.
Use this value to check discharge temperature at test run.
(A discharge temperature sensor is not provided to this model.)
• The data value of each item is not the real time, but value delayed by a few seconds to ten-odd
seconds.
• If the combined outdoor unit is one before 2 or 3 series, the outdoor unit data [6D], [70], [72] and [73]
are not displayed.
buttons and then change
Data name Unit
×100h
is
Item code
°C 60 Outdoor heat exchanger (Coil) temperature (TE)
61 Outside temperature (TO)
°C
62 Compressor discharge temperature (TD)
°C
63 Compressor suction temperature (TS)
6A
Operation current (× 1/10)
°C
F1
Compressor calculated operation time
rpm
×1h
°C
- 76 -
<Operation procedure>
Returned to usual display
Data name Unit
°C
°C
°C
°C
A
×100h