Instruction/ maintenance manual of the product 1F95-391 White Rodgers
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WHITE-RODGERS 90 SERIES 1F95-391 MUL TI-ST AGE/HEA T PUMP INST ALLA TION/CONFIGURA TION This White-Rodgers Digital Thermostat uses microcomputer technology to provide precise time, humidity , and temperature control. This thermostat offers the flexibility to design 1F95-391 : 7 Day programming; residen- tial applications.
A TTENTION! This product does not contain mercury . However , this product may replace a unit which contains mercury . Do not open mercury cells. If a cell becomes damaged, do not touch any spilled mercury .
HEA T PUMP TERMINAL OUTPUTS Refer to equipment manufacturers’ instruc- tions for specific system wiring information. Y ou can configure the thermostat for use with the following heat pump system types: HEA T PUMP TYPE 1. Single-stage compressor system; gas or electric backup.
RESET SWITCH See the T roubleshooting section at the end of this document for more information about the function of this switch. E2/P SWITCH (DHM) TERMINAL FUNCTION The E2/P switch is located on the back of the thermostat body (see fig. 2). This switch controls how the DHM terminal will be energized.
INST ALLER CONFIGURA TION BEFORE TURNING POWER ON, please read the following instructions. Befor e operating the system, you must configure the thermostat to operate properly with your equipment.
INST ALLER T ABLE NOTE: You must be in the User Configuration Menu to enter the Installer Table. Firmly press TIME FWD and TIME BACK at same time and release to enter the Configuration Menu. 6 1 ML TI STG HEA T PUMP 2 HEA T PUMP (1) 2 Selects type of system.
These numbers are approximate and represent operation with a typical system. Actual temperature differentials and run times may vary widely based on your building and equipment, as well as outdoor temperature conditions. COMPRESSOR OFF DELA Y Installer table, step 1 1 is available if the fossil fuel kit alternative option (PUMP OFF) is selected.
The Service Button Menu allows you to view or program as many as 4 reminders that indicate when service is required. 1. Humidifiers = A programmable run time in hours to indicate on the LCD when the humidifier will need to be serviced.
TR OUBLESHOO TING F AN OPERA TION If your system does not have a G terminal Connection, skip to HEA T/HUMIDITY section below . 1. Turn power on to the system. 2. Press PROGRAM RUN . 3. Press FA N until F AN ON is displayed. The fan should begin to operate.
Symptom P ossible Cause Corrective Action No Heat/No Cool/No Fan 1. Blown fuse or tripped circuit breaker . Replace fuse or reset breaker . (Common Prob lems) 2. Furnace power switch to OFF . T ur n switch to ON. 3. Furnace blow er compar tment door or Replace door panel in proper position to engage panel loose or not properly installed.
Symptom P ossible Cause Corrective Action Thermostat Setting and Thermostat 1. Thermostat ther mometer setting requires The thermometer can be adjusted +/- 5 degrees. Thermometer Disagree adjustment. See T emperature Displa y Adjustment in the Operating Manual under Configuration.
The Emerson logo is a trademark and a service mar k of Emerson Electric Co..
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