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Blue 4” Universal Thermostat with
Automatic Heat/Cool Changeover Option
Single Stage, Multi-Stage or Heat Pump
Installation and Operating Instructions for Model:
Save these instructions for future use!
Model Programming Choices
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS
1F85-0477 7 Day 5/1/1 Day
CAREFULLY BEFORE INSTALLING OR OPERATING
THIS CONTROL COULD CAUSE PERSONAL INJURY
AND/OR PROPERTY DAMAGE.
APPLICATIONS
THERMOSTAT APPLICATION GUIDE
1F85-0477 Thermostat
Description
Heat Pump (No Aux
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INSTALLATION Figure 1 – Battery door shown open WARNING ! Thermostat installation and all components of the control system shall conform to Class II circuits per “AA” Alkaline Batteries the NEC code. Remove Old Thermostat A standard heat/cool thermostat consists of three basic parts: 1. The cover, which may be either a snap-on or hinge type. Thermostat can be powered by system AC power or Battery. 2. The base, which is removed by loosening all captive If is displayed, the thermostat is bat
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WIRING DIAGRAMS Heat Pump Connections HEAT PUMP TYPE 1 (HP 1). Single stage compressor If you do not have a heat pump system, refer to fi gures 4-6. system; gas or electric backup. Refer to equipment manufacturers’ instructions for specifi c HEAT PUMP TYPE 2 (HP 2). Multi-stage compressor or two system wiring information. compressor system with gas or electric backup. You can confi gure the thermostat for use with the following After wiring, see INSTALLER CONFIGURATION section for heat pump syst
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WIRING DIAGRAMS Figure 5 – Single Stage or Multi-Stage System (No Heat Pump) with Two Transformers Remove Jumper Wire Jumper between RH & RC L O/B W/E G RH RC Y Y2 W2 C System Single O Blower/ No Energized Constantly Stage 1 Circulator No Output Output in Cool Mode (SS1) Fan Energized Optional Fault 24 Volt 24 Volt Heat on Call for 24 Volt Indicator Cool Mode (Hot) (Hot) B Mode Cool (and (Com- (NOT 1st Stage Energized Constantly 1st Stage Heat Cool Heat if mon) USED) Cool Multi- in Heat, Off, c
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THERMOSTAT QUICK REFERENCE Home Screen Description Figure 7 – Home Screen Display Room Setting Temperature Temperature Battery Level Indicator Mo Indicating the current power Set P level of the 2 “AA” batteries. Full power remaining. Half power remaining. Run Change The batteries should be replaced at this time with 2 new premium brand SYSTEM FAN “AA” Alkaline batteries. Heat Auto Menu (See page 2 for more details) System Fan Indicator Indicator Programming
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INSTALLER/CONFIGURATION MENU With thermostat in Heat, Cool or Auto, in normal operation, press the Menu button for at least 5 seconds. The display will show item #1 in the table below. Press Menu button to advance to the next menu item. Press or to change an item option. INSTALLER/CONFIGURATION MENU DISPLAYED MENU PRESS Press or to (FACTORY DEFAULT) COMMENTS REF. HP SS BUTTON select from listed options 1 1 1 MENU (MS 2) HP 1, HP 2, SS 1 Selects Multi-Stage (MS 2 No Heat Pump), Heat
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INSTALLER/CONFIGURATION MENU 1) This control can be confi gured for: 8) Select Compressor Lockout CL OFF or ON – Select- ing CL ON will cause the thermostat to wait 5 minutes MS 2 – Multi-Stage System (no heat pump) between cooling cycles. This is intended to help protect HP 1 – Heat Pump with one stage of compressor the compressor from short cycling. Some newer com- HP 2 – Heat Pump with two stage compressor or two pressors already have a time delay built in and do not compressor system,
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INSTALLER/CONFIGURATION MENU 20) Select Daylight Saving Time Calculation – This feature 22) Select Reversing Valve Output – The O/B option is will allow the thermostat to calculate the DST automati- factory set at “O” position. This will accommodate the cally and apply it to the Real Time Clock display. Default majority of heat pump applications, which require the On. Use or buttons to select the feature OFF. changeover relay to be energized in COOL. If the thermostat you are replacing or
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PROGRAMMING 9) Repeat steps 2 through 8 until all of the program times Enter the Heating Program and temperatures are set for all program periods on 1) Press SYSTEM button to select “Heat” in the system that day. switch area indicating the active mode being pro- grammed. 10) Press SCHEDULE to the next day and repeat steps 2 through 9. 2) Press the MENU button and then press SCHEDULE. 11) When programming is complete and all of the times and 3) The top of the display will show the day
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PROGRAMMING Worksheet for Re-Programming 7 Day and 5+1+1 Day Program Heating Wake Up Leave For Work Return Home Go To Bed Program (Period 1) (Period 2) (Period 3) (Period 4) 6:00 AM 70°F 8:00 AM 62°F 5:00 PM 70°F 10:00 PM 62°F MON TUE WED THU FRI 6:00 AM 70°F 8:00 AM 62°F 5:00 PM 70°F 10:00 PM 62°F SAT 6:00 AM 70°F 8:00 AM 62°F 5:00 PM 70°F 10:00 PM 62°F SUN Cooling Wake Up Leave For Work Return Home Go To Bed Program (Period 1) (Period 2) (Period 3) (Period 4) 6:00 AM 75°F 8:00 AM 83°F 5:00
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TROUBLESHOOTING Reset Operation function correctly contact your heating/cooling service person Note: When thermostat is reset, installer confi guration menu or place of purchase. settings and programming will reset to factory settings. Note: Be sure to review the installer confi guration menu If a voltage spike or static discharge blanks out the display settings. or causes erratic thermostat operation, you can reset the thermostat by removing the wires from terminals R and C To reset the pro
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HOMEOWNER HELP LINE: 1-800-284-2925 White-Rodgers is a division of Emerson Electric Co. The Emerson logo is a trademark and service mark of Emerson Electric Co. www.white-rodgers.com 12
