5. Outdoor unit maintenance remote control
5-1. Overview
What is the outdoor unit maintenance remote controller?
Beginning with the
This remote controller can be used for checking the outdoor unit EEPROM settings and contents, and also can be used to monitor the outdoor unit alarm history and indoor/outdoor unit temperatures, and to check the status of the indoor unit connec- tions (No. of units, operating status, etc.).
Note: Because this tool does not function as a remote controller, it is used only during test runs and servicing.
System diagram
Outdoor unit maintenance
remote controller
Outdoor unit
Special service checker wiring (Optional, Servicing No:8540528057900)
| Outdoor unit |
Remote controller | control PCB |
RCS-TM80BG
Indoor | Indoor |
unit | unit |
5
Remote Remote
controller controller
*The special service checker wiring is required in order to connect the outdoor unit maintenance remote control- ler to the outdoor unit PCB.
*Even when the outdoor unit maintenance remote controller is connected, a separate remote controller or other control device must be connected to the indoor unit.
Normal display functions
(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
•
(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
•Individual display of outdoor unit alarms
•Outdoor unit compressor total operating time
•Outdoor unit oil sensor oil level
•Outdoor unit total power ON time
•Outdoor unit microcomputer version
•Other
Temperature monitor
•Displays the indoor/outdoor unit sensor temperatures.
Outdoor unit alarm history monitor
•Displays the outdoor unit alarm history.
Setting modes
•Setting mode 1 and setting mode 2 are used to make the outdoor EEPROM setting.