Installation - Honeywell T8400C Product Data

WALLPLATE
2-7/8 (78)
2-1/2 (64)
UP
W
Y
2-7/8
G
(78)
R
C
WALLPLATE
4-3/8 (111)
3-5/16 (84)
THERMOSTAT
5-1/2 (140)
Set Room
FAN
Cool Off Heat Em. Ht.
Auto On
Fig. 2. T8424 Thermostat dimensions in in. (mm).
1-1/2
(37)
3-1/2
(89)
Fig. 1. T8400/T8401 Thermostat dimensions in in. (mm).
2-3/8
(70)
THERMOSTAT
AND WALLPLATE
1-3/16
(55)
3-1/2
(89)
SYSTEM
M18585
T8400C, T8401C AND T8424C,D ELECTRONIC THERMOSTATS
THERMOSTAT
3-1/2 (89)
Set Room
FAN SYSTEM
Cool Off Heat
Auto On

INSTALLATION

When Installing this Product...
1. Read these instructions carefully. Failure to follow them
could damage the product or cause a hazardous condi-
tion.
2. Check the ratings given in the instructions and on the
product to make sure the product is suitable for your
application.
3. Installer must be a trained, experienced service techni-
cian.
4. After installation is complete, check out product opera-
tion as provided in these instructions.
CAUTION
Disconnect power supply before beginning wiring
to prevent electrical shock or equipment damage.
MERCURY NOTICE
If this control is replacing a control that contains
mercury in a sealed tube, do not place your old control
in the trash. Dispose of it properly.
Contact your local waste management authority for
instructions regarding recycling and the proper
disposal of the control. If you have questions, call the
Honeywell Customer Response Center at
1-800-468-1502.
3
THERMOSTAT
AND WALLPLATE
1-3/16
(55)
M10283A
68-0180-3