T8624D CHRONOTHERM
®
IV DELUXE PROGRAMMABLE MULTISTAGE THERMOSTATS
3
69-1412—1
Fig. 3. Typical hookup of T8624D
in a heat pump system.
Fig. 4. Correct wiring technique.
Mounting Thermostat
1.
Engage tabs at the top of the thermostat and wall-
plate. See Fig. 5.
2.
Press lower edge of case to close and latch.
NOTE: To remove the thermostat from the wall, first pull
out at the bottom of the thermostat; remove top
last.
Fig. 5. Mounting thermostat on wallplate.
W2
L1
(H
O
T)
L2
M11309
F
A
N
REL
A
Y
Y1
G
C
THERM
O
ST
A
T
RC
HE
A
T
REL
A
Y
1
R
W1
L1
(H
O
T)
L2
C
O
MPRESS
O
R
C
O
NT
A
CT
O
R 1
Y2
C
O
MPRESS
O
R
C
O
NT
A
CT
O
R 2
HE
A
TING
TR
A
NSF
O
RMER
C
OO
LING
TR
A
NSF
O
RMER
HE
A
T
REL
A
Y
2
O
T
O
T
B
HE
A
T
D
A
MPER
O
UTD
OO
R
SENS
O
R
C
OO
L
D
A
MPER
O
2
2
3
3
3
1
P
O
WER SUPPLY. PR
O
VIDE DISC
O
NNECT ME
A
NS
A
ND
O
VERL
OA
D
PR
O
TECTI
O
N
A
S REQUIRED.
JUMPER RC TERMIN
A
L T
O
R TERMIN
A
L WHEN INST
A
LLED
O
N
A
O
NE TR
A
NSF
O
RMER SYSTEM.
C
A
N BE USED F
O
R CH
A
NGE
O
VER V
A
LVE
O
N HE
A
T
PUMP SYSTEMS.
1
1
M4826
F
O
R WR
A
P
A
R
O
UND
INSERTI
O
N STRIP
7/16 IN. (11 MM).
F
O
R STR
A
IGHT INSERTI
O
N
STRIP 5/16 IN. (8 MM).
M14628
PRESS LOWER
EDGE OF CASE
TO LATCH.
ENGAGE TABS
AT TOP OF
THERMOSTAT
AND WALLPLATE.
A.
B.
