Honeywell T4098A Deluxe Electric Heat Thermostat Instruction Manual
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T4098B
WALL
1
6
3
L1
L2
T2
L1
(HOT)
RED WIRE
5
THERMOSTAT
BASE
T1
4
ELECTRIC
HEATER
OUTLET
BOX
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
1
2
USE SPECIAL SERVICE CO/ALR SOLDERLESS CONNECTORS
WHEN CONNECTING ALUMINUM CONDUCTORS OR A FIRE
HAZARD MAY RESULT.
BREAKS AND REMAKES BELOW -31°F(-35°C); NORMALLY
THERMALLY ACTIVATED. BREAKS ON A TEMPERATURE RISE;
MAKES ON A TEMPERATURE FALL.
3
MOUNTING
SCREWS (2)
M5794
USE A SEPARATE LIMIT CONTROL IN THE HEATING APPLIANCE.
BREAKS AT POSITIVE OFF ONLY; NOT THERMALLY ACTIVATED.
4
5
6
Fig. 4. Mounting thermostat to outlet box.
DO NOT CONNECT GROUNDED CONDUCTORS (NEUTRAL) ON
120V OR 277V CIRCUITS. INSULATE AND TAPE, OR CUT OFF
RED WIRES IF UNUSED.
M5814B
New Applications
ᕡ Disconnect the power supply to prevent electrical shock
or equipment damage. All wiring must comply with local
electrical codes and ordinances.
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IMPORTANT
ᕢ Run the line voltage wiring to the thermostat location.
ᕣ Do not remove the T4098 Thermostat Cover. Using wire
connectors approved for No. 12 wires, make line
voltage connections directly to the leadwires on the
thermostat. See Figs. 2 and 3 for typical wiring
connections.
ᕤ Prebend and push the solid wires into the outlet box.
ᕥ While holding the thermostat base with one hand, use
the other hand to remove the thermostat cover by
grasping the bottom cover edge and pulling outward
away from the thermostat base.
If locking cover feature is desired, insert the locking
cover clip in the thermostat base before mounting
the thermostat on the wall. See Fig. 7.
Replacement Applications
ᕡ Disconnect power to thermostat to prevent electrical
shock or equipment damage. All wiring must comply
with local electrical codes and ordinances.
ᕢ Remove the old thermostat from the wall; be careful not
to damage the wiring insulation.
ᕦ Mount the thermostat on the outlet box as shown in
Fig. 4. Secure the thermostat by tightening the two
mounting screws.
ᕣ Check the old wire insulation for cracks, nicks or fraying.
Apply approved electrical tape to insulate wires or
replace wires as necessary.
ᕤ Do not remove T4098 Thermostat Cover. Using wire
connectors approved for No. 12 wires, make line
voltage connections directly to the leadwires on the
thermostat. See Figs. 2 and 3 for typical wiring
connections.
SETTINGS AND ADJUSTMENTS
Calibration
ᕥ Prebend and push the solid wires into the outlet box.
ᕦ While holding the thermostat base with one hand, use
the other hand to remove the thermostat cover by
grasping the bottom cover edge and pulling outward
away from the thermostat base.
ᕧ Mount the thermostat on the outlet box as shown in
Fig. 4. Secure the thermostat by tightening the two
mounting screws.
The T4098 Thermostats are calibrated at the factory using
precise instruments under closely controlled conditions.
Recalibration should not be necessary. Allow the thermostat
to operate for several hours before checking the calibration.
The T4098 Thermostat vapor-filled dual diaphragm sensing
element is affected by barometric pressure and altitude.
Temperature deviations of 1°F (0.5°C) are normal. If the
thermostat is mounted in a suitable location (as instructed in
the Location section) and still appears out of calibration,
check calibration as follows.
68-0146—3
4
firealarmresources.com
| General | Details |
|---|---|
| Name | Honeywell T4098A Deluxe Electric Heat Thermostat Instruction Manual |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.14 MB |
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