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1F85-277
Heating & Air Conditioning
@WHITE-RODGERS
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.
PREPARATIONS
YOUR THERMOSTAT REPLACES
Assemble tools required as shown below.
Description 1F85-277
Heat Pump (No Aux. or Emergency Heat) Yes
Heat Pump (with Aux. or Emergency Heat) Y
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MOUNTING AND WIRING Take care when securingand routingwires so they do not short to adjacent terminals or rear of thermostat. Do not use on circuits exceeding specified voltage. Personal injury and/or property damage may occur. Higher voltage will damage control and could cause shock or fire hazard. Attach Thermostat Base to Wall Do not short out terminals on gas valve or primary 1. Remove the packing material from the thermostat. Gently control to test. Short or incorrect wiring will damage pul
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WIRING DIAGRAMS 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 = I be made, Damage to equ pment w occur when power s restored, E/W1 SYSTE THERMOSTAT L I -- -- -- ] 24 VAC Auxiliary / , 2_bi 24VACRy Heating / ', -I-- _ I'*'_ RELAY NO. transf ..... Zh ......... y relay scheme 2t l I l p II CONTACT (Claspl! l is required when safety / "-h fl--' CMMCN C ..... t Limited) I circuits exist in both syst .... .....
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Multi-Stage Terminal Outputs Refer to equipment manufacturers' instructions for specific one transformer. If transformer safety circuits are in only one of system wiring information. the systems, remove the transformer of the system with NO safety circuits. If required, replace remaining transformer with You can configure the thermostat for use with either multi-stage a 75VA Class II transformer. After disconnecting one trans- electric heat systems or multi-stage gas systems. When con- former, t
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OPERATION Before youbegin programming your thermostat, you should be familiar withitsfeatures andwiththedisplay andthelocation andoperation of thethermostat buttons. Yourthermostat consists oftwoparts: thethermostat cover andthebase. To remove thecover, pullitstraight outfrom thebase. Toreplace thecover, lineupthecover withthebase andpress untilthe (I 15) e cover snaps onto thebase. ® The Thermostat Buttons and Switches Raises temperature setting .... OOFirO Q _ I Lowers temperature setting. TIM
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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 7d 5d, 0d Selects Programs Per Week 3 System PRG 4 PRG 2 Selects Programmable Periods (PRG 2 = 2 programmable periods; PRG 4 = 4 programmable periods)
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CONFIGURATION MENU 5) Select Energy Management Recovery OFF or ON - 12)Select F° or C ° Readout- Changes the display readout to Energy Management Recovery (EMR) causes the thermo- Centigrade or Fahrenheit as required. stat to start heating or cooling early to make the building 13)Selected Auto mode - This control will feature AUTO temperature reach the program setpoint at the time you changeover mode when AU on is selected (default). Press specify. Heating will start 5 minutes early for every 1°
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SPECIFICATIONS ELECTRICAL DATA TH ERMAL DATA Electrical Rating: Setpoint Temperature Range: 20 to 30 VAC 50/60 Hz or DC 45°F to 90°F (7°C to 32°C) 0.05 to 1.5 Amps (Load per terminal) Operating Ambient Temperature Range: 2.5 Amps Maximum Total Load (All terminals combined) 32°F to 105°F Operating Humidity Range: 0 to 90% RH (non-condensing) Shipping Temperature Range: -40°F to 150°F OPERATION The system "mode" is selected by pressing the SYSTEM button. Manual Operation Icons on the bottom right
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OPERATION PROGRAMMING YOURTHERMOSTAT Entering Your Program This section will help you plan your thermostat's program to Set Current Time and Day meet your needs. For maximum comfort and efficiency, keep the 1. Press TIME button once. The display will show the hour following guidelines in mind when planning your program. only. • When heating (cooling) your building, program the temper- t--I. atures to be cooler (warmer) when the building is vacant or EXAMPLE: !l_ " PM during periods of low activi
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OPERATION Enter Cooling Program 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. If the outside temperature is below 50°F, disconnect 5. Press PRGM once. The currently programmed start time power to the cooling system before programming. and setpoint temperature for the Monday's 2nd heating program period will appear. Energizing the air conditioner compressor during cold
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TROUBLESHOOTING Possible Cause Corrective Action Symptom 5. Heating system requires service or sound. This sound usually indicates the thermostat No Heat (continued) thermostat requires replacement. is operating properly. If the thermostat does not (continued) click, try the reset operation listed above. If the thermostat does not click after being reset contact your heating and cooling service person or place of purchase for a replacement. If the thermostat clicks, contact the furnace manufactu
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TROUBLESHOOTING Possible Cause Corrective Action Symptom (Z) and (_ and SYSTEM button at the same time Forgot Keypad to reset the lockout code, unlock the keypad and Lockout Code (continued) reset all configuration menu settings. Your thermostat is designed to determine the First stage is keeping up with demand. Why won't my 2nd or optimum time to activate the second stage. Simply 3rd stage come on? raising the temperature in heating or lowering it in cooling wilt not always force the thermostat
