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T8112D PROGRAMMABLE THERMOSTAT
68-0206
2
SPECIFICATIONS
IMPORTANT
The specifications given in this publication do not
include normal manufacturing tolerances; therefore,
an individual unit might not exactly match the listed
specifications. Also, this product is tested and
calibrated under closely controlled conditions, and
some minor differences in performance can be
expected if those conditions are changed.
Model:
T8112D Thermostat: Provides electronic programmable
control for 24 to 30 Vac heating and cooling systems.
Programming Keys:
Eight program keys.
Electrical Rating:
Battery operated (2 AA alkaline batteries).
System and Fan Ratings:
1.2A run; 7.5A inrush.
Total cooling and fan load not to exceed 1.2A.
Dimensions:
See Fig. 1.
Mounting:
Mounts on mounting plate directly on wall. Mounting screws
and wall anchors provided.
Setpoint Range:
45°F to 88°F (7°C to 31°C).
Operating Ambient Temperature Range:
40°F to 110°F (4°C to 43°C).
Shipping Temperature Range:
-20°F to 120°F (-29°C to -49°C).
Temperature Display:
Fixed or field selectable.
Operating Relative Humidity:
5 to 90 percent RH; noncondensing.
Time Indication:
12 hour with AM, PM indication.
Cycles Per Hour Adjustment:
Heating: Field adjustable to 3, 6, or 9 cph ±10 percent.
Cooling: Factory set at 3 cph ±10 percent (not field
adjustable).
Calibration:
Thermostat and thermometer self-calibrating to ±1.25°F.
M9349
1(25)
1-1/4
(32)
4
(102)
3/4 (19)
6-7/8 (175)
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or your distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering information, or specify:
1. Model Number.
2. Accessories, as desired.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1. Your local Honeywell Home and Building Control Sales Office (check white pages of phone directory).
2.Home and Building Control Customer Relations
Honeywell, 18
85 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales and
Service offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico,
Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
Fig. 1. T8112 dimensions in in. (mm).