Panasonic U-4LE1E5 / U-4LE1E8 / U-5LE1E5 / U-5LE1E8 / U-6LE1E5 / U-6LE1E8 / S-15M / S-22M / S-28M / S-36M / S-45M / S-60M / S-73M / S-90M / S-106M / S-140M / S-160M Service Manual ▷ View online
3 - 3
3
Mini VRF SYSTEM
Outdoor Unit Maintenance Remote Controller
n Functions on the ordinary display
(1) Functions: Button operations can be used to perform the following functions.
• Start/stop of all indoor units
• Switching between cooling and heating
• Test run of all indoor units
• Switching between cooling and heating
• Test run of all indoor units
(2) Display: The following can be displayed.
• Alarm details display
• No. of indoor/outdoor units
• Unit Nos. of connected indoor/outdoor units
• Indoor/outdoor unit operating status (blinks when an alarm occurs)
• Indoor unit thermostat ON
• Display of individual outdoor unit alarms
• Total operating time of outdoor unit compressors
• Oil level of the outdoor unit oil sensor
• Total outdoor unit power ON time
• Outdoor unit microcomputer version, other information
n Temperature monitor
• Displays the indoor/outdoor unit sensor temperatures.
n Outdoor unit alarm history monitor
• Displays the outdoor unit alarm history.
n Mode settings
• Setting mode 1 and setting mode 2 are used to make the outdoor EEPROM setting.
2. Functions
SM830195-03_Mini VRF SYS.indb 3
SM830195-03_Mini VRF SYS.indb 3
2014/09/09 13:52:22
2014/09/09 13:52:22
3 - 4
3
Mini VRF SYSTEM
Outdoor Unit Maintenance Remote Controller
n Functions on the ordinary display
•
Connect the special service checker wiring to the outdoor unit PCB.
The connection is shown in the figure below.
l
If the communications line in the inter-unit control wiring is connected, it can be left as-is.
l
In case of an independent outdoor unit (1 maintenance remote controller connected to 1 outdoor unit, automatic
address setting for indoor units not completed), both setting mode 1 and setting mode 2 can be used.
l
The overall system status for that refrigerant system is displayed.
Special service checker wiring
PCB connector (3P, BLU)
RC (3P, BLU)
Outdoor unit PCB
Relay connector (2P, WHT)
Remote controller Ass’y
3. Ordinary Display Controls and Functions
SM830195-03_Mini VRF SYS.indb 4
SM830195-03_Mini VRF SYS.indb 4
2014/09/09 13:52:22
2014/09/09 13:52:22
3 - 5
3
Mini VRF SYSTEM
Outdoor Unit Maintenance Remote Controller
Fig. 3-1
l
All units start/stop (Fig. 3-1)
<Operation>
The
(ON/OFF operation) button can be used to
start and stop all the indoor units.
•
The LED illuminates if any indoor units is operating.
•
The LED blinks if an alarm at any of the operating indoor
units occurs.
units occurs.
l
Cooling/heating change (Fig. 3-1)
NOTE
Cooling and heating mode changes are only available when
all indoor units are stopped.
<Operation>
The
(MODE) button can be used to change
between heating and cooling operation.
•
The display indicates the operating mode of the indoor
unit with the lowest unit No.
unit with the lowest unit No.
l
All units test run (Fig. 3-2)
<Operation>
The
(CHECK) button can be used to start and stop a
test run for all indoor units.
•
Press and hold for 4 seconds to turn ON.
During the test run “TEST” is displayed.
During the test run “TEST” is displayed.
•
The status of test runs performed from the indoor unit
remote controller is not displayed on the outdoor unit
maintenance remote controller.
maintenance remote controller.
Fig. 3-2
LED
3. Ordinary Display Controls and Functions
SM830195-03_Mini VRF SYS.indb 5
SM830195-03_Mini VRF SYS.indb 5
2014/09/09 13:52:22
2014/09/09 13:52:22
3 - 6
3
Mini VRF SYSTEM
Outdoor Unit Maintenance Remote Controller
n Display (functions)
•
Use the temperature setting
and
buttons to change the item code.
Item code
Item
Remarks
À
Outdoor unit alarm
Á
Alarm code display
No. of connected indoor units
Quantity
Unit Nos. of connected indoor unit
7-segment display
Operating status of indoor unit
7-segment display
Thermostat ON status of indoor unit
7-segment display
Operating status of outdoor unit compressor
7-segment display
Compressor 1 operating time
0 – 99999999 hours
Outdoor unit power ON time
0 – 99999999 hours
Compressor 1 operation count
0 – 65535 times
Alarm history 1 (most recent)
Alarm history 2
Alarm history 3
Alarm history 4
Alarm history 5
Alarm history 6
Alarm history 7
Alarm history 8 (oldest)
Firmware version
Display the version No. × 100.
Program version
Display the version No. × 100.
3. Ordinary Display Controls and Functions
SM830195-03_Mini VRF SYS.indb 6
SM830195-03_Mini VRF SYS.indb 6
2014/09/09 13:52:23
2014/09/09 13:52:23
Click on the first or last page to see other U-4LE1E5 / U-4LE1E8 / U-5LE1E5 / U-5LE1E8 / U-6LE1E5 / U-6LE1E8 / S-15M / S-22M / S-28M / S-36M / S-45M / S-60M / S-73M / S-90M / S-106M / S-140M / S-160M service manuals if exist.