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Model

Programming Choices

1F95-1280

7 Day

5/1/1 Day

Non-Programmable

Big Blue Commercial Universal Thermostat 

with Damper or Economizer Control and 

Automatic Heat/Cool Changeover Option

Single Stage, Multi-Stage, Heat Pump

Installation and Operating Instructions

APPLICATIONS

1F95-1280

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 .5A per terminal, 2 .5A maximum all terminals combined
Setpoint Range   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .   45 to 99°F (7 to 37°C)
Rated Differentials:                                                       Fast 

Slow

 

Heat (SS1, MS2)   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .   0 .6°F 1 .5°F

 

Cool (SS1, MS2) .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  1 .2°F 

1 .7°F

 

Heat Pump (HP1, HP2)   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  1 .2°F 

1 .7°F

 

Emer Heat (HP1, HP2)  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  0 .6°F 

1 .7°F

Operating Ambient .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .   32°F 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 .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .   4-9/16"H x 5-13/16"W x 1-3/16"D

To prevent electrical shock and/or equipment damage, 
disconnect electric power to system at main fuse or 
circuit breaker box until installation is complete.

CAUTION

!

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.

THERMOSTAT APPLICATION GUIDE

Thermostat 

Configuration 

Options

Thermostat 

Applications

Maximum 

Stages

Heat/Cool

W/ Economizer

Max. Stage

Heat/Cool

Single Stage 1

No Heat Pump (SS1)

Gas, Oil, Electric, Heat Only, 

Cool Only or Heat/Cool 

Systems, 2 or 3 wire Hydronic 

Zone (Hot Water or Steam) 

Systems, 24 Volt or Millivolt

1/1

1/2

Multi Stage 2

No Heat Pump (MS2)

2/2

2/3

Heat Pump 1

Single Stage 

Compressor Heat 

Pump (HP1)

Single Stage Compressor Heat 

Pump Systems - up to 2 Stages 

Aux ./Emergency Heat

3/1

3/2

Heat Pump 2

Two Stage or Two

Compressor Heat 

Pump (HP2)

Two Stage or Two Compressor 

Heat Pump systems - up to 2 

Stages Aux ./Emergency Heat

4/2

4/3

ATTENTION: MERCURY NOTICE

This product does not contain mercury . However, this prod-
uct may replace a product that contains mercury .

Mercury and products containing mercury must not be 
discarded in household trash . Do not touch any spilled mer-
cury . Wearing non-absorbent gloves, clean up any spilled 
mercury and place in a sealed container . For proper disposal 
of a product containing mercury or a sealed container of 
spilled mercury, place it in a suitable shipping container . 
Refer to 

www.thermostat-recycle.org

 for location to send 

the product containing mercury .

Index

Page

Installation

2

Wiring Diagrams

3

Thermostat Quick Reference

4

Installer Configuration Menu

5

Operating Your Thermostat

9

Programming

10

Troubleshooting

14

www .white-rodgers .com

www .emersonclimate .com

PART NO. 37-7292A

Replaces 37-6978C

1134

Содержание 1F95-1280

Страница 1: ... Thermostat Configuration Options Thermostat Applications Maximum Stages Heat Cool W Economizer Max Stage Heat Cool Single Stage 1 No Heat Pump SS1 Gas Oil Electric Heat Only Cool Only or Heat Cool Systems 2 or 3 wire Hydronic Zone Hot Water or Steam Systems 24 Volt or Millivolt 1 1 1 2 Multi Stage 2 No Heat Pump MS2 2 2 2 3 Heat Pump 1 Single Stage Compressor Heat Pump HP1 Single Stage Compressor...

Страница 2: ...he Power Stealing Switches Fig 1 should be left in the On position for most systems The information in the following table details the thermostat power method and switch options WARNING Thermostat installation and all components of the control system shall conform to Class II circuits per the NEC code INSTALLATION Figure 1 Thermostat Base Multi Stage 1F95 1280 2 AA Batteries Power Stealing Switche...

Страница 3: ...gured for Electric Heat Installer Configuration Menu selects O or B for changeover function Set to O terminal energized in Cool mode Set to B terminal energized in Heat emergency mode Power closed connection for SPDT 3 wire zone valve Fault or system malfunction indicator for Heat Pumps with L terminal connection COOLING CLASS II TRANSFORMER HOT 24VAC NEUTRAL 120VAC HEATING 120VAC Dual fuel option...

Страница 4: ...2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 19 2 1 11 10 15 16 9 8 17 13 12 4 18 14 A steady Cool Savings display indicates the feature is enabled in the installer menu A flashing Cool Savings display indicates the feature is active 15 Remote indicates that the indoor remote temperature sensor is being accessed Outdoor Remote indi cates the outdoor remote temperat...

Страница 5: ...s Continuous Display backlight 12 LO dL HI Selects Backlight Intensity 13 0 Temperature 5 LO to 5 HI Selects Adjustable Ambient Temperature Display range 5 LO to 5 HI 14 F C Selects F C Display temperature units in Fahrenheit or Celsius 15 On b OFF Selects audible Beeper On Off 16 On dS OFF Selects Daylight Saving Time calculation 17 On Heat AS OFF Selects Automatic Schedule for comfort temperatur...

Страница 6: ...ctory default setting is fast cycle FA Cr in all modes Heat Cool Emer To change to slow cycling SL Cr press touch keys or toggle between FA SL The cycle rates are below Mode Fast rate Slow rate Heat SS1 MS2 0 6 F 1 5 F Cool SS1 MS2 1 2 F 1 7 F Heat Pump HP1 HP2 1 2 F 1 7 F Emer Heat HP1 HP2 0 6 F 1 7 F 10 Select Compressor Lockout CL Selecting CL On will cause the thermostat to wait 5 minutes betw...

Страница 7: ...tting between 62 F and 98 F Temperature Limit icon will be displayed to the left of your setpoint temperature when using this feature Temperature Limit icon will flash if an attempt is made to adjust the temperature beyond the range selected 23 Cool Temperature Limit Range This feature adjusts the lowest setpoint temperature for cool The default setting is 45 F It can be changed to a setting betwe...

Страница 8: ...eat will not turn on The default setting is 60 but can be set in the range of 5 to 79 INSTALLER CONFIGURATION MENU If indoor temperature drops below 45 because of a pos sible heat pump malfunction the thermostat will turn off the pump and switch to Auxiliary heat Call for Service will display on screen There are two ways the thermostat will return to normal heat pump operation Press any key to ret...

Страница 9: ...below room tempera ture The heating system should stop operating Cooling 1 Press SYSTEM to select COOL 2 Press to adjust the thermostat setting below room tem perature The blower should come on immediately on high speed followed by cold air circulation The display should show System On If the setpoint temperature display is flashing the compressor lockout feature is operating see Configuration men...

Страница 10: ...inutes only in clock display 4 Press and hold either the or touch keys until you reach the correct minutes 5 Press Set Time once again to display year 6 Press either the or touch key until you reach the correct year 7 Press Set Time once again to display month 8 Press either the or touch key until you reach the correct month 9 Press Set Time once again to display date of the month along with day o...

Страница 11: ...gram all the heating temperatures during the day to a comfortable temperature and then lower the temperature 6 at night Auto Schedule Cool will program all of the cooling time periods to the same temperature Note Auto Schedule is available only when the thermostat is first powered on after the thermostat has been reset or anytime you turn AS on in the Configuration Menu item 18 AS Heat or 19 AS Co...

Страница 12: ...cil in your own program times and temperatures The 1F95 1280 comes configured for 7 day programming and can also be configured for 5 1 1 programming see configura tion section Factory settings are listed on Monday Saturday and Sunday If you are re programming a 5 1 1 day schedule pencil in your own times and temperatures directly below the factory times and temperatures If you are re programming a...

Страница 13: ...ration of the thermostat the current tempera ture displayed will be the weighted average of the local sensor and the remote sensor using the formula local sensor weight x local sensor temperature remote sensor weight x remote sensor temperature local sensor weight remote sensor weight Example Local sensor temperature is 80 and the remote sensor is 70 If weight is selected H4 the averaged temperatu...

Страница 14: ...stem operates correctly replace the thermostat Thermostat Setting Thermostat Thermometer Disagree 1 Thermostat thermometer setting requires adjustment The thermometer can be adjusted 4 degrees See Temperature Display Adjustment in the Configuration Menu section Furnace Air Conditioner Cycles Too Fast or Too Slow narrow or wide temperature swing 1 The location of the thermostat and or the size of t...

Страница 15: ...15 NOTES ...

Страница 16: ...White Rodgers is a division of Emerson Electric Co The Emerson logo is a trademark and service mark of Emerson Electric Co Homeowner Help Line 1 800 284 2925 www white rodgers com www emersonclimate com ...

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