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Universal Electronics
975 operating instructions
Models:
975
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Specs
Install
Wiring Diagrams
Configuring And Programming
Resetting Thermostat
System and Thermostat Diagnostics
Displayed Factory Default Press
Programmable Cool Fan-Onand Fan-Offdelay
Adjustable Anticipation
Setting”
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Contents
Comfort-Set
Installation and Operating Instructions
90 Series
Model
and Programming
Easy, Menu-Driven Set-Up
Premium options
INTRODUCTION
THE THERMOSTAT BUTTONS
ORIENTATION
1821
Orientation
THE DISPLAY
Figure 1. The Display
Model
INSTALLATION
SPECIFICATIONS
DESCRIPTION
Installation
PRECAUTIONS
REMOVE OLD THERMOSTAT
INSTALLATION
ATTACH BASE TO WALL
Installation
CONFIGURING AND PROGRAMMING
L J I K M
WIRING DIAGRAMS
C D E
Installation
L IK M
WIRING DIAGRAMS
1From heating system 2 From 24 VAC transformer
Installation
NOTE Thermostat must have batteries installed
L K M
1From zone valve
WIRING DIAGRAMS
2From 24 VAC heating transformer
Installation
C D E
1From heating system
WIRING DIAGRAMS
Installation
CONFIGURATION JUMPERS
Figure 9. Jumper locations
Press
CONFIGURATION MENU
Step
Press Buttons
10 TIME FWD
Installation
8 TIME FWD
TIME
TIME BACK
CONFIGURATION INSTALLER CONFIGURATION
SELECTABLE ENERGY MANAGEMENT RECOVERY
ADJUSTABLE ANTICIPATION
COOLING
PROGRAMMABLE COOL FAN-ONAND FAN-OFFDELAY
Installation
HEATING
DISABLING HEAT, COOL OR AUTO MODES
CONFIGURATION
OPTIONAL REMOTE TEMPERATURE SENSE
COMPRESSOR LOCKOUT
HEATING SYSTEM
Installation
CHECK THERMOSTAT OPERATION
FAN OPERATION
CHECK THERMOSTAT OPERATION
RESETTING THERMOSTAT
COOLING SYSTEM
Configuration
CONFIGURATION
Setting”
Step
CONFIGURATION MENU
Displayed Factory Default Press
Recommend installer setting
TIME
Configuration
TIME
TIME
Cool, or Auto
PROGRAMMING
MANUAL OPERATION
PROGRAMMED OPERATION Planning Your Program
Programming
and the settings for time and temperature
1Morning MOR 2Day DAY 3Evening EVE 4Night NHT
Temperature
5Start Time
10 00 PM
MON TUE WED THU FRI SAT SUN
7 Day Personal HEAT Program Schedule
Programming
7 Day Personal COOL Program Schedule
Large Lighted Liquid Crystal Display LCD
FEATURES
Setpoint Range 45-99F 7-37C
Arm Chair Programming
Features
Adjustable Temperature Display
Factory Preprogrammed Times and Temperatures
Temporary Program Override
Air Filter Change-OutIndicator
Thermostat Startup After Total Power Loss
Features
Indefinite Program Hold
Daylight Savings Time Button
Programmable Vacation Time/ Temperature Operation
Keypad Lockout
Battery Back-Up
Features
System and Thermostat Diagnostics
Compressor Short-CycleProtection
Index
INDEX
Page
Page
0223
PART NO. 37-6438A
White-Rodgersis a division of Emerson Electric Co
