Instruction/ maintenance manual of the product 1F94-80 White Rodgers
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Printed in U.S.A. This wall-mounted, low voltage thermostat maintains room temperature by controlling the operation of multi- stage systems. Use this thermostat for applications re- quiring up to two stages of heat and/or cool. Indicator lights show the system status.
2 ELECTRICAL DATA Electrical Rating: 20 to 30v AC 50/60 Hz. 0.01 to 1.5 Amps (Load per terminal) 2.5 Amps Maximum Total Load (All terminals combined) Anticipation: Heating 4 to 40 Cooling 4 to 40 Refe.
3 REPLACEMENT INST ALLA TION REMOVE OLD THERMOSTAT 1. Shut off electricity at the main fuse box until installa- tion is complete. Verify power is off with a voltmeter. 2. Remove the front cover of the old thermostat. With wires still attached, remove wall plate from the wall.
4 2. Connect wires beneath terminal screws on sub- base using appropriate wiring schematic (see figs. 3 through 6). 3. Place subbase over hole in wall and mark mounting hole locations on wall using subbase as a template. 4. Move subbase out of the way.
5 IF SAFETY CIRCUITS ARE IN ONLY ONE OF THE SYSTEMS, REMOVE THE TRANSFORMER OF THE SYSTEM WITH NO SAFETY CIRCUITS. NOTE Relay contacts shown are thermostatically operated. The accessory relay scheme is required when safety circuits exist in both systems.
6 ATTACH THERMOSTAT TO SUBBASE WE RECOMMEND THAT YOU SET OPTION SWITCHES TO DESIRED POSITION BEFORE ATTACHING ON SUBBASE (see OPERATION ). WE ALSO RECOM- MEND THAT YOU PROGRAM THE THERMOSTAT WITH BATTERY INSTALLED BEFORE ATTACHING ON SUBBASE (see OPERATION GUIDE for program- ming instructions) .
7 CHECK THERMOST A T OPERA TION FAN OPERATION 1. Turn on power to the system. If the auxiliary heat source has a standing pilot, be sure to light it. 2. Press FAN SWITCH until FAN ON is displayed. The blower should begin to operate. 3. Press FAN SWITCH until FAN AUTO is displayed.
WARRANTY INFORMATION THIS WARRANTY STATEMENT SUPERSEDES ALL WARRANTY STATEMENTS DATED PRIOR TO OCTOBER 1, 1991. White-Rodgers Division of Emerson Electric Co.
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