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Big Blue Touchscreen Thermostat with
Automatic Heat/Cool Changeover Option
Installation and Operating Instructions for Model:
APPLICATIONS
1F97-1277 Touchscreen Thermostat
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)
Differential (Single Stage) .................... Heat 0.6°F; Cool 1.2°F
Differential (Multi-Stage) ..................... Heat 0.6°F; Cool 1.2°F
Differential (Heat Pump) ..................... Heat 1.2°F; Cool 1.5°F
Operating Ambient.......................... 32°F to +105°F (0 to +41°C)
Operating Humidity ......................... 90% non-condensing max.
Shipping Temperature Range ................. -4 to +150°F (-20 to +65°C)
Dimensions Thermostat...................... 4-9/16"H x 5-13/16"W x 1-3/16"D
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
1F97-1277
Non-Programmable 5+1+1 Day 7 Day
THERMOSTAT APPLICATION GUIDE
Description
Heat Pump (No Aux. or Emergency Heat) Yes
Heat Pump (with Aux. or Emergency Heat) Yes
Systems with up to 3 Stages Heat, 2 Stages Cool No
Heat Only Systems 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
Wired Remote Temperature Sensor (Indoor/Outdoor) Yes
Dual Fuel Feature (Heat Pump Mode) Yes
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 4
Installer Conguration Menu 5
Operating Your Thermostat 8
Programming 9
Troubleshooting 12
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 of spilled mercury, place it in a suitable shipping
container. Refer to www.thermostat-recycle.org for
location to send the product containing mercury.
PART NO. 37-7388A
1241
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