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T8034C HEATING AND COOLING THERMOSTAT
If the 200581 Horizontal Wallplate is used, align thermo-
stat and wallplate (see Fig. 2) and press firmly together
until wallplate snaps in place; then wire and mount the
thermostat.
If the 193121A Mounting Plate Assembly is used, review
instructions provided with assembly before wiring and
mounting thermostat.
Fig. 2. Mount T8034C Thermostat on wallplate.
H1
C1
TEMP. FALL
H1
ANTICIPATOR
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
2
JUMPER RC, RH TERMINALS FOR SINGLE TRANSFORMER SYSTEM.
Fig. 3. Internal schematic and typical hookup for T8034C in heating-cooling
69-1597EF
M20288
FAN SWITCH
ON
AUTO
C1
ANTICIPATOR
SYSTEM
SWITCH
COOL
OFF
HEAT
system with separate heating-cooling transformers.
To wire and mount thermostat:
1. In replacement applications, check the existing
thermostat wires for cracked or frayed insulation.
Replace any wires in poor condition. If the wire is
plastered into the wall, make a hole next to the wires
and loosen the wires so they can be pushed back
into the wall later.
2. In new installations, run wiring (if necessary) to the
thermostat location.
3. Connect the wires to the terminals on the back of the
thermostat. See Fig. 3 for internal schematic and
typical hookup diagram.
4. Remove thermostat cover by pulling outward on
right edge of the cover until it snaps free of the
thermostat base. Carefully remove and discard the
foam plastic shipping insert. This insert protects the
switch and bimetal assembly during shipping.
5. Set the adjustable heat anticipator indicator to match
the current draw of the primary heating control (see
Heat Anticipator Setting).
6. Push back excess wire through the hole and plug
any opening with insulation to prevent drafts that
may affect thermostat performance.
7. Loosely fasten the thermostat (with wallplate, if
applicable) to the wall or outlet box with a screw
through the left mounting hole. Adjust the thermostat
so that it is approximately level. Fasten the second
screw through the right mounting hole but do not
tighten.
8. For optimum performance, level the thermostat
using a spirit level or plumb line. Tighten the
mounting screws.
9. Replace thermostat cover.
IMPORTANT
This thermostat was mounted at true level when
calibrated at the factory. Any inaccuracy in
leveling during mounting will cause control point
deviation.
RC
G
Y
2
RH
HEAT
OFF
COOL
W
2
FAN RELAY
COMPRESSOR
CONTACTOR
HEAT RELAY
M1142A
L1
(HOT)
L2
1
L1
(HOT)
L2
1
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