Honeywell T4398A1021 - Electric Heat Thermostat Support and Manuals
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User Guide - Page 1
... and baseboard electric heaters.
• Temperature-responsive, vapor-filled dual diaphragm sensing element provides 2°F (1°C) sensitivity with setting knob at 277 Vac.
• Replaces virtually all standard wall-mounted line voltage thermostats.
• Includes long-lasting Micro Switch™ mechanism.
• Color-coded leads for easy installation.
• Cover thermometer...
User Guide - Page 2
... and handling and also maximum replacement value.
E47434, guide no. Switching
Spst; Temperature Rating °F (°C)
50 to 80 (10 to 25)
50 to 80 (10 to the TRADELINE® Catalog or price sheets for fieldselection of your Honeywell sales representative.
T4398A,B HIGH PERFORMANCE ELECTRIC HEAT THERMOSTATS
SPECIFICATIONS
IMPORTANT The Specifications given in performance can be...
User Guide - Page 3
.... ᕧ Turn the setting dial so the indicator is desired, insert the locking cover clip in these instructions could damage the product or cause a hazardous condition.
2. Do not remove thermostat cover until wiring is replacing a control that contains mercury in corners or under
cabinets. -
Do not install the thermostat where it may be a trained, experienced service technician.
4. drafts...
User Guide - Page 4
... dial clockwise until the switch makes (click sound). Temperature deviations of calibration, check calibration as instructed in Fig. 4. Check Calibration
ᕡ Remove the thermostat cover and set it aside for No. 12 wires, make line voltage connections directly to operate for T4398A. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 USE SPECIAL SERVICE CO/ALR SOLDERLESS...
User Guide - Page 5
...The precise temperature control of thermostat base as instructed in place until the 12 o'clock position of the thermostat cover.
Locking the cover prevents unauthorized tampering of the thermostat temperature setting.
ᕡ Remove the thermostat cover. ᕢ Insert the locking cover clip (included) into the clip. the switch breaks and the electric heater starts to cool.
ᕣ Allow...
User Guide - Page 6
... minimum droop. Temperature settings are often affected by the heat generated in the control.
The T4398 provides precise control with low voltage thermostats, is more sensitive to offset this. T4398A,B HIGH PERFORMANCE ELECTRIC HEAT THERMOSTATS
OPERATION
The T4398 Thermostat provides precise temperature control of the baseboard heater. Electric heat thermostats are adjusted to...
User Guide - Page 7
T4398A,B HIGH PERFORMANCE ELECTRIC HEAT THERMOSTATS
7
68-0147-2
User Guide - Page 8
T4398A,B HIGH PERFORMANCE ELECTRIC HEAT THERMOSTATS
Home and Building Control Honeywell Inc. 1985 Douglas Drive North Golden Valley, MN 55422
Home and Building Control Honeywell Limited-Honeywell Limitée 155 Gordon Baker Road North York, Ontario M2H 2C9
68-0147-2 C.H.
Helping You Control Your World www.honeywell.com/yourhome Printed on recycled paper containing at
least...
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