White Rodgers 37-5086A manual

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Table of contents for the manual

  • Page 1

    PART NO. 37-5086B Replaces 37-5086A 9517 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 heating and cooling systems. The user may prog[...]

  • Page 2

    2 SPECIFICA TIONS ELECTRICAL DATA Electrical Rating: 17 to 30 VAC, 50/60 Hz. 0.05 to 1.5 Amps 1.5 Amps Maximum Total Load (All terminals combined) Anticipation: Heating 2 to 40 Cooling 4 to 40 THERMAL DATA Setpoint Temperature Range: 40 ° F to 99 ° F (4 ° C to 37 ° C) Operating Ambient Temperature Range: 32 ° F to 105 ° F Operating Humidity R[...]

  • Page 3

    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. 3. If the old thermostat has a wall mounting plate, remove the thermostat[...]

  • Page 4

    4 RH Y MV 24 VAC 120 VAC Hot Neutral THERMOSTAT SYSTEM G W Figure 7. Typical wiring diagram for heat/cool, 4-wire, single transformer systems TRANSFORMER 6 Cooling System Fan Relay Heating System RC JUMPER WIRE G RC 6 MV Y W RH Thermostat Terminal Connections G From 24 VAC transformer From fan relay From cooling system Y CONNECT red jumper wire (pr[...]

  • Page 5

    5 RH Y MV 24 VAC 120 VAC Hot Neutral THERMOSTAT SYSTEM G W HEATING TRANSFORMER 6 24 VAC 120 VAC Hot Neutral COOLING TRANSFORMER Cooling System Fan Relay Heating System RC G RC 6 MV Y W RH Thermostat Terminal Connections From fan relay From heating system From 24 VAC cooling transformer From cooling system From 24 VAC heating transformer Figure 11. [...]

  • Page 6

    6 Figure 13. Back of thermostat Option switches 3-pin connector 6-pin connector Batteries W14 W22 (Group A) (Group B) ATTACH THERMOSTAT TO SUBBASE IT IS RECOMMENDED THAT YOU SET OPTION SWITCHES TO DESIRED POSITION BEFORE ATTACH- ING ON SUBBASE (see OPERATION ). IT IS ALSO RECOMMENDED THAT YOU PROGRAM THE THERMOSTAT WITH BATTERIES INSTALLED BE- FORE[...]

  • Page 7

    7 ON 123 Switch #1 OFF Switch #2 OFF Switch #3 (see step B5) 2. Manual Changeover (Heating/Cooling Systems Only) 3. Heat Only Systems 4. Cool Only Systems 5. Computed Energy Management Recovery (EMR) — With EMR enabled, system will be ener- gized before the next program period begins, to achieve programmed temperature by the beginning of the next[...]

  • Page 8

    COOLING SYSTEM To prevent compressor and/or property damage, if power to the compressor has been off or inter- rupted for more than 1 hour and the outdoor temperature is below 50 ° F, DO NOT operate the system for at least the amount of time the com- pressor was off! This will allow the compressor heaters to warm the compressor oils to avoid damag[...]