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White Rodgers 1F85-277 manual

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Table of contents for the manual

  • Page 1

    @ WHITE-RODGERS 1F85-277 Heating & Air Conditioning 7 Day/5-1-1 Programmable/Non-programmable, Auto Changeover, Multi-Stage/Heat Pump Thermostat INSTALLATION INSTRUCTIONS FAILURE TO READ AND FOLLOWALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURYAND/OR PROPERTY DAMAGE. YOUR THERMOSTAT REPLACES De[...]

  • Page 2

    MOUNTING AND WIRING Do not use on circuits exceeding specified voltage. Higher voltage will damage control and could cause shock or fire hazard. Do not short out terminals on gas valve or primary control to test. Short or incorrect wiring will damage thermostat and could cause personal injury and/or property damage. Thermostat installation and all [...]

  • Page 3

    WIRING DIAGRAMS = I Polarity must be observed, tf the HOT side of the second transformer is jumpered to the COMMON side of the first transformer a short will be made, Damage to equ pment w occur when power s restored, E/W1 SYSTE 2t ..... _ _" TWO COMMONS MUST BE JUMPERED TOGETHER! THERMOSTAT L I -- -- -- ] 24 VAC Auxiliary / , 2_ bi 24VACRy He[...]

  • Page 4

    Multi-Stage Terminal Outputs Refer to equipment manufacturers' instructions for specific system wiring information. You can configure the thermostat for use with either multi-stage electric heat systems or multi-stage gas systems. When con- figured for electric heat, the G terminal (blower/fan) will be energized on a call for heat. This thermo[...]

  • Page 5

    Before you begin programming your thermostat, you should be familiar with its features and with the display and the location andoperation of the thermostat buttons. Your thermostat consists oftwo parts: the thermostat cover and the base. To remove the cover, pull itstraight out from the base. Toreplace the cover, line upthe cover with thebase and p[...]

  • Page 6

    CONFIGURATION MENU Press the SYSTEM button until OFF is displayed, then press the (_ and (_ simultaneously INSTALLER/CONFIGURATION MENU Press Displayed Press Q or Q Step Button(s) (Factory Default) to select Comments 1 System MS 2 SS1, HP2, HP1 Selects Single stage, Multi-stage, or Heat Pump (Single stage or 2-stage) System Configuration 2 System 7[...]

  • Page 7

    5) Select Energy Management Recovery OFF or ON - Energy Management Recovery (EMR) causes the thermo- stat to start heating or cooling early to make the building temperature reach the program setpoint at the time you specify. Heating will start 5 minutes early for every 1 ° of temperature required to reach setpoint. Cooling allows more time per deg[...]

  • Page 8

    SPECIFICATIONS ELECTRICAL DATA Electrical Rating: 20 to 30 VAC 50/60 Hz or DC 0.05 to 1.5 Amps (Load per terminal) 2.5 Amps Maximum Total Load (All terminals combined) TH E RMAL DATA Setpoint Temperature Range: 45°F to 90°F (7°C to 32°C) Operating Ambient Temperature Range: 32°F to 105°F Operating Humidity Range: 0 to 90% RH (non-condensing) [...]

  • Page 9

    PROGRAMMING YOURTHERMOSTAT This section will help you plan your thermostat's program to meet your needs. For maximum comfort and efficiency, keep the following guidelines in mind when planning your program. • When heating (cooling) your building, program the temper- atures to be cooler (warmer) when the building is vacant or during periods o[...]

  • Page 10

    OPERATION heating program period appears. The time will change in 15- minute increments. When your selected time is displayed, press TIME again to return to the change temperature mode. 5. Press PRGM once. The currently programmed start time and setpoint temperature for the Monday's 2nd heating program period will appear. 6. Repeat steps 3 and[...]

  • Page 11

    TROUBLESHOOTING Symptom No Heat (continued) No Cool Heat, Cool or Fan Runs Constantly Possible Cause Furnace (Air Conditioner) Cycles Too Fast or Too Slow (narrow or wide temperature swing) 5. Heating system requires service or thermostat requires replacement. (continued) 1. SYSTEM button not pressed to COOL. Thermostat Setting & Thermostat The[...]

  • Page 12

    TROUBLESHOOTING Symptom Forgot Keypad Lockout Code (continued) Why won't my 2nd or 3rd stage come on? Possible Cause First stage is keeping up with demand. Corrective Action (Z) and (_ and SYSTEM button at the same time to reset the lockout code, unlock the keypad and reset all configuration menu settings. Your thermostat is designed to determ[...]