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