White Rodgers 1F95-0477 specifications Applications, Specifications

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!

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE.

Model		Programming Choices
1F85-0477	7 Day		5/1/1 Day

APPLICATIONS

THERMOSTAT APPLICATION GUIDE		1F85-0477 Thermostat
Description
Heat Pump (No Aux. or Emergency Heat)	Yes
Heat Pump (with Aux. or Emergency Heat)	Yes
Systems with up to 2 Stages Heat, 2 Stages Cool	Yes
Heat Only Systems (with optional fan switch)	Yes
Millivolt Heat Only Systems – Floor or Wall Furnaces	Yes
Cool Only Systems	Yes
Gas or Oil Heat	Yes
Electric Furnace	Yes
Hydronic (Hot Water) Zone Heat – 2 Wires	Yes
Hydronic (Hot Water) Zone Heat – 3 Wires	Yes

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)
Rated Differentials:	Fast		Med.	Slow
Heat (SS1, MS2)	0.4	°F	0.6 °F	1.7 °F
Cool (SS1, MS2)	0.9	°F	1.2 °F	1.7 °F
Heat Pump (HP1, HP2)	0.9	°F	1.2 °F	1.7 °F
Emer (HP1, HP2)	0.6	°F	–	1.7 °F
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	Page
Installation	2
Wiring Connections	2
Wiring Diagrams	3
Thermostat Quick Reference	5
Installer Configuration Menu	6
Operating Your Thermostat	8
Programming	9
Troubleshooting	10

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 mercury.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. Refer to www.white-rodgers.comfor location to send product containing mercury.

	PART NO. 37-7238A
www.white-rodgers.com
www.emersonclimate.com	1118