1
Blue Universal Thermostat with
Automatic Heat/Cool Changeover Option
Single Stage, Multi-Stage or Heat Pump
Installation and Operating Instructions for Models:
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS
CAREFULLY BEFORE INSTALLING OR OPERATING
THIS CONTROL COULD CAUSE PERSONAL INJURY
AND/OR PROPERTY DAMAGE.
Save these instructions for future use!
APPLICATIONS
1F83-0422 Thermostat
Model Programming Choices
1F85-0422
5+1+1 Day 5+2 Day Non-Programmable
1F83-0422
Non-Programmable
THERMOSTAT APPLICATION GUIDE
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
PART NO. 37-7240B
Replaces 37-7240A
1316
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
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 prop-
er 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 loca-
tion to send product containing mercury.
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
Thermostat Quick Reference 3
Installer Configuration Menu 4
Operating Your Thermostat 6
Programming 7
Troubleshooting 8
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