TABLE 1—THERMOSTAT MODELS AND APPLICATIONS.
Heat
Model
Switching
Anticipator
See
Number
Application
System
Fan
Range
Comments
Fig.
T834C1137
For use in standard
HEAT-OFF-
ON-AUTO
0.18 to 1.0A
TRADELINE; Beige.
3
heating-cooling
COOL
systems.
T834C1541
For use in gas- or
SUPER TRADELINE;
4
oil-fired, or central
Beige.
electric heat
a
systems.
T834C2267
For use in gas- or
SUPER TRADELINE;
5
oil-fired, single-stage
Premier White.
heat pump or central
(Jumper included.)
electric heat
a
systems.
T834C2309
For use in standard
0.3 to 1.2A
TRADELINE; Beige.
3
heating-cooling
systems.
a
In electric heat applications without fan sequencers, jumper terminals 1 and 2 to control the fan from the thermostat during
heating.
tion.
3. Installer must be a trained, experienced service tech-
nician.
4. After installation is complete, check out product op-
eration as provided in these Instructions.
CAUTION
Disconnect power supply before beginning instal-
lation to prevent electrical shock or equipment
damage.
Contact your local waste management authority for in-
structions regarding recycling and the proper disposal of this
control, or of an old control containing mercury in a sealed
tube.
If you have questions, call Honeywell Inc. at 1-800-468-
1502.
J. H. • Rev. 2-93 • • ©Honeywell Inc. 1993 • Form Number 69-0434—5
T834C
Heating-Cooling Thermostat
TRADELINE
Application
T834C Thermostats control 24 to 30 Vac single-stage heating-cooling systems. See Table 1 for specific models and
applications. An spdt mercury switch makes R to W on a temperature fall for heating, and R to Y on a temperature rise for cooling.
See Fig. 1.
Recycling Notice
This control contains mercury in a sealed tube. Do not
place control in the trash at the end of its useful life.
If this control is replacing a control that contains mercury
in a sealed tube, do not place your old control in
the trash.
M3375
M3375
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 applica-
Fig. 1—Internal view of T834C.
