Honeywell T8631A - Maintaining Your Thermostat; Removing the Thermostat; Replacing the Thermostat

22
REMOVING THE THERMOSTAT
1 Loosen the two captive screws at
the bottom corners of the case.
2 Pull out the thermostat from the
bottom.
3 Lift the thermostat up and off the
base.
AUX. HEAT
HEAT
AUTO
COOL
OFF
O
N
A
U
T
O
F
A
N
M5066
S
Y
S
T
E
M
E
M
.
H
T
.
H
E
A
T
O
F
F
ON
AUTO
FAN
M5013
C
O
O
L
E
M
.
H
T
.
A
U
X
.
H
E
A
T
S
Y
S
T
E
M
P
M
R
E
T
U
R
N
M
O
N
H
E
A
T
O
N
SYSTEM
M5062
R
U
N
P
R
O
G
R
A
M
T
I
M
E
T
E
M
P
E
R
A
T
U
R
E
P
R
E
S
E
N
T
S
E
T
T
I
N
G
S
K
I
P
N
E
X
T
P
E
R
I
O
D
C
H
A
N
G
E
T
O
L
A
S
T
P
E
R
I
O
D
S
E
T
P
R
E
S
E
N
T
D
A
Y
/
T
I
M
E
H
O
L
D
T
E
M
P
D
A
Y
S
E
T
H
E
A
T
/
C
O
O
L
S
L
E
E
P
L
E
A
V
E
A
H
E
A
D
W
A
R
M
E
R
R
E
T
U
R
N
B
A
C
K
C
O
O
L
E
R
W
A
K
E
P
E
R
I
O
D
3 Tighten the captive screws.
M5014
H
E
A
T
A
U
T
O
C
O
O
L
O
F
F
O
N
A
U
T
O
F
A
N
E
M
.
H
T
.
A
U
X
.
H
E
A
T
PM
RETURN
MON
HEAT ON
SYSTEM
A
U
T
O
M5063
REPLACING THE THERMOSTAT
1 Hang the thermostat on the tabs
at the top of the subbase.
2 Swing down and press bottom
edge until thermostat snaps in
place.
21
MAINTAINING YOUR THERMOSTAT
P
M
R
E
T
U
R
N
M
O
N
H
E
A
T
O
N
SYSTEM
M5075
R
U
N
P
R
O
G
R
A
M
T
IM
E
T
E
M
P
E
R
A
T
U
R
E
P
R
E
S
E
N
T
S
E
T
T
IN
G
S
K
I
P
N
E
X
T
P
E
R
I
O
D
C
H
A
N
G
E
T
O
L
A
S
T
P
E
R
IO
D
S
E
T
P
R
E
S
E
N
T
D
A
Y
/
T
I
M
E
H
O
L
D
T
E
M
P
D
A
Y
S
E
T
H
E
A
T
/
C
O
O
L
S
L
E
E
P
L
E
A
V
E
A
H
E
A
D
W
A
R
M
E
R
R
E
T
U
R
N
B
A
C
KC
O
O
L
E
R
W
A
K
E
P
E
R
I
O
D