Honeywell T834L1004 - Mercury Free Cool Only Thermostat Installation Instructions

APPLICATION
The T834C Thermostat (see Fig. 1) controls 24 to 30 Vac single-stage heating-cooling systems. See Table 1 for
application information. An spdt mercury switch makes R to W on a temperature fall for heating, and R to Y on a
temperature rise for cooling.
Model No.
T834C For use in standard heating-
cooling systems.
FAN
SWITCH
Fig. 1. T834C internal view.
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Copyright © 2003 Honeywell International Inc. •
Table 1. T834C Specifications.
Application
MOUNTING HOLE
(THERMOSTAT
TO WALL OR
OUTLET BOX)
BIMETAL ELEMENT
BEHIND SCALE
ADJUSTABLE HEAT
ANTICIPATOR
INDICATOR
SYSTEM
SWITCH
MOUNTING HOLE
TEMPERATURE
M21180
SETTING LEVER
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T834C Heating and
Cooling Thermostat
Heat Anticipation
0.18A to 1.0A,
adjustable.
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 properly.
Contact your local waste management authority
for instructions regarding recycling and the
proper disposal of an old control.
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 the product
operation as provided in these instructions.
INSTALLATION INSTRUCTIONS
Switching
System Fan
Heat-Off- On-Auto
Cool
See Fig.
No.
2
69-1688