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T8624D CHRONOTHERM
®
IV DELUXE ZONE MULTISTAGE THERMOSTAT
Fig. 3. Typical wiring diagram for T8624 on zone 1
TotalZone® control panel.
Fig. 4. Typical wiring diagram for T8624D on zone 1
MABS II control panel.
M4826
FOR WRAPAROUND
INSERTION STRIP
7/16 IN. (11 MM).
FOR STRAIGHT
INSERTION STRIP
5/16 IN. (8 MM).
Fig. 6. Mounting thermostat on wallplate.
M15043
B.
PRESS LOWER EDGE OF CASE TO LATCH.
A.
ENGAGE TABS AT TOP OF THERMOSTAT AND WALLPLATE.
Mounting Thermostat
Engage tabs at the top of the thermostat and
wallplate. See Fig. 6. Be sure to align the subbase
pins to avoid damage to the thermostat.
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 thermo-
stat; remove top last.
Fig. 5. Proper wiring technique.
O
G
B
C
Y1
R
W1
W2
Y2
OT
OT
W2
L
G
Y
R
W
M6
M4
M1
THERMOSTAT
ZONE 1
M11418
TotalZone®
PANEL
THERMOSTAT
CONNECTIONS
WHEN USING W2 ON THE THERMOSTAT TO CONTROL THE
SECOND STAGE OF HEATING, MAKE SURE THE STAGE
JUMPER IS IN PLACE, ON THE TZ PANEL
NOTE:
C7089B OUTDOOR
TEMPERATURE
SENSOR (OPTIONAL)
O
G
B
C
W1
R
Y1
W2
Y2
OT
OT
T8
T7
T6
T5
O1
G1
B1
E1
T4
M1
THERMOSTAT
ZONE 1
M11419
MABS II/L
PANEL
THERMOSTAT
CONNECTIONS
CHANGEOVER
CONTROL
C7089B OUTDOOR
TEMPERATURE
SENSOR (OPTIONAL)