White Rodgers 1F85-0477 Installation And Operating Instructions Manual
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White Rodgers 1F85-0477 Installation And Operating Instructions Manual

Blue 4” universal thermostat with automatic heat/cool changeover option
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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.
APPLICATIONS
THERMOSTAT APPLICATION GUIDE
Description
Heat Pump (No Aux. or Emergency Heat)
Heat Pump (with Aux. or Emergency Heat)
Systems with up to 2 Stages Heat, 2 Stages Cool
Heat Only Systems (with optional fan switch)
Millivolt Heat Only Systems – Floor or Wall Furnaces
Cool Only Systems
Gas or Oil Heat
Electric Furnace
Hydronic (Hot Water) Zone Heat – 2 Wires
Hydronic (Hot Water) Zone Heat – 3 Wires

SPECIFICATIONS

Electrical Rating:
Battery Power .................................................... mV to 30 VAC, NEC Class II, 50/60 Hz or DC
Input-Hardwire ................................................... 20 to 30 VAC
Terminal Load ........................................................... 1.5 A per terminal, 2.5A maximum all terminals combined
Setpoint Range ......................................................... 45° to 90°F (7° to 32°C)
Differential (Single Stage) ......................................... Heat 0.6°F; Cool 1.2°F (adjustable)
Differential (Heat Pump) ........................................... Heat 1.2°F; Cool 1.2°F (adjustable)
Operating Ambient .................................................... 32° to +105°F (0° to +41°C)
Operating Humidity ................................................... 90% non-condensing max.
Shipping Temperature Range ................................... -40° to +150°F (-40° to +65°C)
Dimensions Thermostat ............................................ 3-7/8"H x 5-1/8"W x 1-1/4"D
CAUTION
!
To prevent electrical shock and/or equipment damage,
disconnect electric power to system at main fuse or
circuit breaker box until installation is complete.
Index
Installation
Wiring Connections
Wiring Diagrams
Thermostat Quick Reference
Installer Configuration Menu
Operating Your Thermostat
Programming
Troubleshooting
Blue 4" Universal Thermostat with
Automatic Heat/Cool Changeover Option
Single Stage, Multi-Stage or Heat Pump
Installation and Operating Instructions for Model:
Model
1F85-0477
Yes
Yes
Yes
Yes
Yes
Yes
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Yes
ATTENTION: MERCURY NOTICE
This product does not contain mercury. However, this product
may replace a product that contains mercury.
Mercury and products containing mercury must not be
discarded in household trash. Do not touch any spilled
Page
mercury. Wearing non-absorbent gloves, clean up any spilled
2
mercury and place in a sealed container. For proper disposal
2
of a product containing mercury or a sealed container. Refer
to www.white-rodgers.com for location to send product
3
containing mercury.
5
6
8
9
10
www.white-rodgers.com
www.emersonclimate.com
Programming Choices
7 Day
5/1/1 Day
1F85-0477 Thermostat
PART NO. 37-7050B
Replaces 37-7050A
1011
1

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Summary of Contents for White Rodgers 1F85-0477

  • Page 1: Specifications

    Single Stage, Multi-Stage or Heat Pump Installation and Operating Instructions for Model: Model 1F85-0477 7 Day 1F85-0477 Thermostat ATTENTION: MERCURY NOTICE This product does not contain mercury. However, this product may replace a product that contains mercury. Mercury and products containing mercury must not be discarded in household trash.

  • Page 2: Wiring Connections

    INSTALLATION WARNING Thermostat installation and all components of the control system shall conform to Class II circuits per the NEC code. Remove Old Thermostat A standard heat/cool thermostat consists of three basic parts: The cover, which may be either a snap-on or hinge type. The base, which is removed by loosening all captive screws.

  • Page 3: Wiring Diagrams

    WIRING DIAGRAMS Heat Pump Connections If you do not have a heat pump system, refer to figures 4-6. Refer to equipment manufacturers’ instructions for specific system wiring information. You can configure the thermostat for use with the following heat pump systems. System Heat Pump 1 Energized in...
  • Page 4 WIRING DIAGRAMS Figure 5 – Single Stage or Multi-Stage System (No Heat Pump) with Two Transformers System Single Energized Constantly Stage 1 in Cool Mode (SS1) Fault Indicator (NOT Energized Constantly USED) Multi- in Heat, Off, Stage 2 Emergency (MS2) Mode NEUTRAL 120VAC...

  • Page 5: Home Screen Description

    THERMOSTAT QUICK REFERENCE Home Screen Description Battery Level Indicator Indicating the current power level of the 2 “AA” batteries. Full power remaining. Half power remaining. Change The batteries should be replaced at this time with 2 new premium brand “AA” Alkaline batteries. (See page 2 for more details) Programming and Configuration Items 1 “System On”...

  • Page 6: Installer/Configuration Menu

    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 DISPLAYED PRESS MENU...
  • Page 7 INSTALLER/CONFIGURATION MENU Keypad Lockout – This menu selection will display “Lk” and “OFF” (default, keypad not locked out). The are used to toggle the selection between OFF and “L” (keypad locked out). When the keypad lockout selec- tion is enabled “L”, and the MENU button is pressed again, the display will indicate the number “0”...

  • Page 8: Operating Your Thermostat

    INSTALLER/CONFIGURATION MENU reached, trying to raise or lower the setpoint past the limit will cause “L” to be displayed in the times digits for about 6 seconds. This feature not available on earlier models. 16) Program Options: Configured for 7 day or 5/1/1 day pro- gramming or non-programmable mode.

  • Page 9: Enter The Cooling Program

    PROGRAMMING Set Current Time and Date Press Menu and then Time button once. The display will show the hour only. Press and hold either the reach the correct hour and AM/PM designation (AM begins at midnight, PM begins at noon). Press TIME once again.

  • Page 10: Troubleshooting

    PROGRAMMING Worksheet for Re-Programming 7 Day and 5+1+1 Day Program Heating Wake Up Program (Period 1) 6:00 AM 6:00 AM 6:00 AM Cooling Wake Up Program (Period 1) 6:00 AM 6:00 AM 6:00 AM TROUBLESHOOTING Comfort Alert Codes The Comfort Alert diagnostics product monitors the air conditioning outdoor systems with single phase Copeland Scroll compressors.

  • Page 11: Troubleshooting

    TROUBLESHOOTING Reset Operation Note: When thermostat is reset, installer configuration menu settings and programming will reset to factory settings. If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, you can reset the thermostat by removing the wires from terminals R and C (do not short them together) and removing batteries for 2 minutes.
  • Page 12 HOMEOWNER HELP LINE: 1-800-284-2925 White-Rodgers is a division of Emerson Electric Co. The Emerson logo is a www.white-rodgers.com trademark and service mark www. emersonclimate.com of Emerson Electric Co.

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