User Guide
Page 1
... Honeywell Inc. • • All Rights Reserved X-XX UL 68-0147-2 Snap action switch makes heating circuit on temperature fall; T4398B models make double line break with minimum droop. • UL listed up to 5 kW at OFF position. T4398A,B High Performance Electric Heat Thermostats FEATURES PRODUCT DATA GENERAL • Controls both fan-forced and baseboard electric heaters...
... Honeywell Inc. • • All Rights Reserved X-XX UL 68-0147-2 Snap action switch makes heating circuit on temperature fall; T4398B models make double line break with minimum droop. • UL listed up to 5 kW at OFF position. T4398A,B High Performance Electric Heat Thermostats FEATURES PRODUCT DATA GENERAL • Controls both fan-forced and baseboard electric heaters...
User Guide
Page 4
... POSITIVE OFF ONLY; INSULATE AND TAPE OR CUT OFF RED WIRES IF UNUSED. SETTINGS AND ADJUSTMENTS Calibration The T4398 Thermostats are normal. T4398A,B HIGH PERFORMANCE ELECTRIC HEAT THERMOSTATS T4398A L1 4 T1 1 L1 (HOT) L2 SOLDERLESS CONNECTORS 2 ELECTRIC HEATER 3 1 POWER SUPPLY. MAKES ON TEMPERATURE FALL. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 USE SPECIAL SERVICE CO...
... POSITIVE OFF ONLY; INSULATE AND TAPE OR CUT OFF RED WIRES IF UNUSED. SETTINGS AND ADJUSTMENTS Calibration The T4398 Thermostats are normal. T4398A,B HIGH PERFORMANCE ELECTRIC HEAT THERMOSTATS T4398A L1 4 T1 1 L1 (HOT) L2 SOLDERLESS CONNECTORS 2 ELECTRIC HEATER 3 1 POWER SUPPLY. MAKES ON TEMPERATURE FALL. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 USE SPECIAL SERVICE CO...
User Guide
Page 5
... saves energy while maintaining comfort. 5 68-0147-2 5 12 50 T4398A,B HIGH PERFORMANCE ELECTRIC HEAT THERMOSTATS ᕤ If the thermostat setting differs from the thermometer, record the temperature difference and recalibrate as instructed in place until it is flush with one hand. the electric heater starts. ᕢ Move the setting knob counterclockwise all wiring connections are completely...
... saves energy while maintaining comfort. 5 68-0147-2 5 12 50 T4398A,B HIGH PERFORMANCE ELECTRIC HEAT THERMOSTATS ᕤ If the thermostat setting differs from the thermometer, record the temperature difference and recalibrate as instructed in place until it is flush with one hand. the electric heater starts. ᕢ Move the setting knob counterclockwise all wiring connections are completely...
User Guide
Page 6
... allows better control of the baseboard heater. The vapor-filled dual diaphragm sensing element is now available for line voltage control. The T4398 provides precise control with low voltage thermostats, is more sensitive to 3°C) depending on the load demand. T4398A,B HIGH PERFORMANCE ELECTRIC HEAT THERMOSTATS OPERATION The T4398 Thermostat provides precise temperature control of resistance...
... allows better control of the baseboard heater. The vapor-filled dual diaphragm sensing element is now available for line voltage control. The T4398 provides precise control with low voltage thermostats, is more sensitive to 3°C) depending on the load demand. T4398A,B HIGH PERFORMANCE ELECTRIC HEAT THERMOSTATS OPERATION The T4398 Thermostat provides precise temperature control of resistance...
