Trane CXAJ series Installation, Operation And Maintenance Manual page 38

Module Control System
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See the common key operation instructions under the flip cover of the casing for the centralized
controller.
Key Description
• Unit network binding: key ⑦
• Rapid inquiry of connected units: key ① .
• Time adjustment: month: key ② ; day of week: key ③ ; date: key ⑤ ;
• Single-unit operation: temperature setting: keys ④ and
• Group operation: mode: keys and ② ; startup & shutdown: key
Hotline:8008208676/4008201363
Installation of Centralized Controller
There are four mounting holes at the back of the centralized controller, so that it can be
conveniently connected with the standard 86 type junction box.
There is a four-pin connecting terminal on the circuit board at the back of the centralized
controller. They are RS485 signal B, RS485 signal A, DC power supply ground wire and DC power
supply positive wire from the back of the board. The DC power supply and the communication
cable are connected through this terminal.
The centralized controller is provided with a 220VAC/12VDC, 500mA DC power supply.
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this key is used for fault resetting; When adjusting the time (or setting the week
timing), press this key to adjust the minute. This key can be also used as a number
key.
......... Timing key. This key is used for the timing setting of comfort function. It can be also
used as a number key.
......... Group key. This key is used for group operation control.
......... Exit key. This key is used for the last key function exiting. Long press this key to lock
the keyboard.
hour: key ⑥ ; minute: key ⑨ .
key ② ; sleep: key ③ ; fan speed: key ⑤ ; alarm reset: key ⑨ .
temperature setting: key .
; mode:
;
Connecting
terminal