Honeywell ELECTRONIC THERMOSTATS T8401C - Manual (Page 4)

T8401C ELECTRONIC THERMOSTATS
69-1483—1 4
Fig. 7. T8401 with TotalZone or MABS EZ control
panels (all zones)
.
Fig. 8. T8401 with MM-2 or MM-3 panels (zone one).
Fig. 9. T8401 with MABS II and MABS IIL control
panel (zone one).
Mounting Thermostat to Wallplate
1. Engage the tabs at the top of the thermostat and
wallplate.
2. Swing down the thermostat and press the lower
edge of the thermostat onto the wallplate to latch.
See Fig. 10.
Fig. 10. Mounting thermostat to wallplate.
Removing Thermostat from Wallplate
1. Pull the lower edge of the thermostat away from
the wall.
2. Swing the thermostat up and remove the wallplate.
M14288
W2 L G Y R W M6 M4 M1
T8401 THERMOSTAT
TOTAL ZONE MABS EZ PANEL
THERMOSTAT MOTOR
O B G Y R W C
NO CONNECTION
M14289
O1 G1 B1 T6/Y T5/R T4/W M1 M4 M6
T8401 THERMOSTAT
MM-2 OR MM-3 CONTROL PANEL
NO CONNECTION
TO T8401
THERMOSTAT
(ZONE 1)
CHANGEOVER
CONTROL
DAMPER MOTOR
(ZONE 1)
O G B Y R W C
M14290
O1 G1 B1 T6 T5 T4 M1 M4 M6
T8401 THERMOSTAT
MABS II OR MABS IIL CONTROL PANEL
NO CONNECTION
TO T8401
THERMOSTAT
(ZONE 1)
CHANGEOVER
CONTROL
DAMPER MOTOR
(ZONE 1)
O G B Y R W C
M14292
SYSTEM Cool Of
f Heat
Auto On FAN
DASHED LINES INDICATE TABS
ON BACK OF THERMOSTAT
SYST
EM Cool O
ff Hea
t
Auto O
n
FAN
ENGAGE TABS AT TOP OF THERMOSTAT
WITH SLOTS ON MOUNTING PLATE.
PRESS LOWER EDGE OF
CASE TO LATCH.
A
B
Set
Room
Set
Room