Trane CXAJ series Installation, Operation And Maintenance Manual page 44

Module Control System
Note 2: if the parameters is temperature parameter, the unit "C" or "F" will be displayed; if
the parameters are time or other parameters, the units will not be displayed;
Note 3: the decimal part of the parameter will not be displayed.
Code
016
017
022
001
002
The method for modifying the factory set value and the bit function switch is similar with this
method. The difference is that the password and the parameter code are different.
Set the centralized controller to display the set temperature or the room temperature (water
temperature)
Press " ∨ " for 3 seconds to enter the password mode. The lock symbol will be displayed at the
upper left corner, and the unit number part will flash. Enter two-bit password (00 by default),
and press OK. The lock symbol and the unit number will flash at the same time to enter the
adjustment interface.
At this time, press " ∨ " to switch to display the set temperature or room temperature. If
the unit on the network does not support the room temperature, the set temperature will be
displayed.
When the room temperature is displayed, the icon
displayed, the icon
NOTE: If has indoor units, the centralized controller will display room temperature, if no indoor
units, only has outdoor units, the centralized controller will display water temperature (return or
leaving water temperature which by different control).
Lock the keyboard
If Exit is pressed for more than 6 seconds, the lock icon will be displayed at the upper left corner
of the display screen;
At this time, the keyboard is locked. If Exit is pressed for more than 6 seconds again, the
keyboard will be unlocked.
During the keyboard locking period, the operation of any key will not be performed.
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"66" Password Setting
Set value
Set cooling temperature
Set heating temperature
Antifreezing temperature in winter
Defrosting time interval
Minimum defrosting time
will occur.
will occur; when the set temperature is