Honeywell UDC3500 Instruction

2 Kit Instruction 51-52-33-153 01/06
Replacement Instruction, Continued
Chassis removal
Table 1 How to Remove the Chassis
Step Action
1
Remove any screws in the front face.
2
Insert a flat-bladed screwdriver into the tabs of the case as shown in
Figure 1 and pry chassis forward slightly until the chassis connectors
separate from the back of the case.
3
Grasp the bezel and pull the chassis out of the case.
Figure 1 Chassis Removal
Using a thin screwdriver, gently twist the screwdriver to pry the side tabs from the front
face. Pry just enough to release it, otherwise you’ll bend or break the tab. If you break or
bend the tab and can’t reattach the front snugly, you’ll need to reattach the front using the 4
NEMA4 screws provided.
Continued on next page
Insert thin screwdriver under
tabs and twist slightly and
gently to disengage front

Honeywell UDC3500 Specifications

General

Brand	Honeywell
Model	UDC3500
Category	Controller
Language	English