Instruction d'utilisation White Rodgers 1F95-71

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1F95-71
7 Day Multi-stage Electronic Digital Thermostat
WHITE-RODGERS
with Programmable Fan
INSTALLATION INSTRUCTIONS
Operator: Save these instructions for future use!
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE
PERSONAL INJURY AND/OR PROPERTY DAMAGE.
DESCRIPTION
This wall-mounted, low voltage thermostat maintains
room temperature by controlling the operation of multi-
stage systems. Use this thermostat for applications re-
quiri

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SPECIFICATIONS THIS CONTROL IS DESIGNED FOR USE WHERE BOTH SIDES OF THE TRANSFORMER ARE PRESENT TO THE THERMOSTAT (both the hot and common sides of the 24 VAC end of the transformer.) ELECTRICAL DATA THERMAL DATA Electrical Rating Setpoint Temperature Range: 20 to 30 VAC 50/60 Hz. 40°F to 99°F (4°C to 37° C) 0.01 to 1.5 Amps (Load per terminal) Operating Ambient Temperature Range: 2.5 Amps Maximum Total Load (All terminals com- 32°F to 105°F bined) Operating Humidity Range: Anticipation: 0 to 90

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REPLACEMENT INSTALLATION 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. 3. If the old thermostat has a wall mounting plate, PULL STRAIGHT OUT remove the thermostat and the wall mounting plate as Figure 2. Removing thermostat from subbase an assembly. 4. Use the Cross Reference Guide to find the the

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affect thermostat operation.) If you are using existing TABLE 2. WIRE IDENTIFICATION LABELS mounting holes, or if holes drilled are too large and do 1 2 3 4 5 6 7 8 not allow you to tighten subbase snugly, use plastic G C L R O B E1 E2 screw anchors to secure subbase. G C L R O B E1 E2 6. Push excess wire into wall and plug hole with a fire- 1 2 3 4 5 6 7 8 resistant material (such as fiberglass insulation) to 9 10 11 12 13 14 15 16 prevent drafts from affecting thermostat operation. Y1 Y2 W1 W2

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NOTE IF SAFETY CIRCUITS ARE IN ONLY ONE OF THE SYSTEMS, REMOVE THE TRANSFORMER OF THE SYSTEM WITH NO SAFETY CIRCUITS. THERMOSTAT CONTROL CIRCUIT THERMOSTAT R O Y1 Y2 G B W1 W2 W3 C SYSTEM CHANGEOVER COMPRESSOR HEAT HEAT CUT AND ENERGIZED CONTACTOR RELAY RELAY TAPE OFF! IN COOL STAGE 3 STAGE 2 STAGE 1 HOT HOT 24 VAC 120 VAC HEAT 120 VAC 24 VAC COMPRESSOR CHANGEOVER NEUTRAL FAN CONTACTOR RELAY ENERGIZED RELAY NEUTRAL STAGE 1 IN HEAT STAGE 2 DEPENDING ON SYSTEM REQUIREMENTS, REPLACE WITH A 75VA TRA

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Gently pivot the thermostat down until the 8-pin connec- Attach Thermostat To Subbase tors and the plastic snaps lock into place (see fig. 7). Be WE RECOMMEND THAT YOU SET OPTION SWITCHES gentle when attaching thermostat. If the thermostat TO DESIRED POSITION BEFORE ATTACHING ON does not seem to be attaching to the subbase easily, SUBBASE (see OPERATION). WE ALSO RECOM- make sure that the connector pins and plastic snaps are MEND THAT YOU PROGRAM THE THERMOSTAT properly aligned, and that excess

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5. To enable partial keypad lockout (only the tem- Cooling System Operation perature buttons will function; all other buttons will be disabled and will not operate until configuration is CAUTION ! changed): To prevent compressor and/or property damage, ON Switch #1 (see steps 1-2) if power to the compressor has been off or Switch #2 (see step 3) interrupted for more than 1 hour and the outdoor Switch #3 (see step 4) 1234 Switch #4 ON temperature is below 50°F, DO NOT operate the system for at le

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If you need further information about this product, please write to White-Rodgers Division, Emerson Electric Co. 9797 Reavis Road St. Louis, MO 63123-5398 Attention: Technical Service Department