Honeywell UDC2500 Manual page 3

Step
1 Note the location of the various boards inside the instrument.
2 Match up the replacement board in this kit with the one inside the
instrument so that you become familiar with where it goes.
Display/Keyboard
Wires on J8
January 2017
Table 2: Board Identification
Action
Power / Output Bd.
Figure 2: Board Identification
51-52-33-137
MCU / Inputs / Output Bd.
Output Bd.
Option Input Bd.
Auxiliary Output / Digital Input /
Communication Bd.
3