Honeywell T812A1010 - Premier 1 Heat Stage Thermostat Installation Instructions Manual

APPLICATION
The T812 and TS812 Thermostats are low voltage,
controls for heat only, cool only or heating and cooling
systems. See Table 1.
Table 1. Model Descriptions.
Model Voltage
T812A 24 Vac
T812B 12 Vdc
T812C 24 Vac
T812D 24 Vac
TS812A 750 mV
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.
Contact your local waste management authority
for instructions regarding recycling and the
proper disposal of the old thermostat.
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Copyright © 2004 Honeywell International Inc. •
T812, TS812 Thermostats
System Anticipator
Heat only Adjustable
.18A to 1.2A @
30 Vac
Heat only .18A to 1.2A @
12 Vdc
Heat and Adjustable
Cool .18A to 1.2A @
30 Vac
Cool only Fixed 24 Vac to
30 Vac
Heat only .1A @ .75 Vdc
INSTALLATION
When Installing this Product...
1. Read these instructions carefully. Failure to follow
them could damage the product or cause a hazard-
ous condition.
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
technician.
4. After installation is complete, check out product
operation as provided in these Instructions.
CAUTION
Electrical Shock Hazard.
Can cause personal injury or equipment
damage.
Disconnect power supply before beginning
installation.
Location
Locate the thermostat about 5 ft (1.5m) above the floor in
an area with good air circulation at average temperature.
Do not mount the thermostat where it can be affected by:
— drafts, or dead spots behind doors and in corners.
— hot or cold air from ducts.
— radiant heat from the sun or appliances.
— concealed pipes and chimneys.
— unheated (uncooled) area such as outside wall behind
the thermostat.
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INSTALLATION INSTRUCTIONS
69-1606ESF-3