Honeywell 203255AA Installation Instructions Download Page 1

X-XX UL

INSTALLATION INSTRUCTIONS

Copyright © 1995 Honeywell Inc.  •  All Rights Reserved

203255AA and 206658AA

Replacement Doors For

T8131 and T8132 Thermostats

APPLICATION

The program compartment 203255AA and 206658AA
Replacement Doors are used with the T8131 and T8132
Thermostats.

INSTALLATION

Use the program compartment 203255AA Replacement
Door on the taupe color T8131 and T8132 Thermostats.

Use the program compartment 206658AA Replacement
Door on the Premier White® color T8131 and T8132
Thermostats.

To installl your new battery door:

1. Open the door. Apply slight pressure toward the

right until the left pin disengages from the pin hole.
See Fig. 1. Lift off the door.

2. Engage the right hinge pin in the right pin hole.

Apply slight pressure in that direction until the left
pin slides into the left pin hole. See Fig. 2.

3. Open and close the door to check that the pins are

in place.

M9937

TU

AM

LEAVE 

Fan

Auto   On

System

Cool   Off   Heat

Set

Clock/Day

Ahead

Back

Warmer

Cooler

Run

Program

Time

Temp

Hold

Temp

Set

Schedule

SYSTEM

TEMPORARY

TO REMOVE DOOR:
APPLY PRESSURE TO 
THE LEFT SIDE OF 
DOOR AND LIFT OFF.

Fig. 1. Removing the program compartment door.

M9938

TU

AM

LEAVE 

Fan

Auto   On

System

Cool   Off   Heat

Set

Clock/Day

Ahead

Back

Warmer

Cooler

Run

Program

Time

Temp

Hold

Temp

Set

Schedule

SYSTEM

TEMPORARY

TO REPLACE DOOR:
APPLY PRESSURE TO 
THE LEFT SIDE OF 
DOOR AND PUSH DOWN.

Fig. 2. Installing the program compartment door.

69-0913

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