This thermostat requires 24 Volt AC Power or two (2) properly installed
“AA” Alkaline batteries for proper operation. When connecting 24 Volt
AC Power the batteries may be installed as a backup.
For use only as described in this manual. Any other use
will void warranty.
1025NC
Single Stage Heat Only
1
Specifications
2
About Your Thermostat
3
Installation
4
System Testing
5
Setting User Options
6
Operating Your Thermostat
7
Thermostat Maintenance
®
Warning
Turn off power to the heating equipment
before installation.
Attention
For installation by experienced service
technicians only.
Read all instructions before proceeding.
This thermostat is compatible with:
• Single stage heat only systems
• 250 – 750 millivolt heat only systems
• 2 or 3 wire hydronic zone systems
Electrical and control specifications:
• Electrical Rating: 24 Volt AC
• 1 amp maximum load per terminal
• AC Power: 18 – 30 Volts AC
• DC Power: 3.0 Volt DC (2 “AA” Alkaline Batteries Included)
• Control Range: 45° – 90° F (7° – 32° C)
• Temperature Accuracy: +/- 1° F (+/- .5° C)
Terminations
• 1025NC – R, G, W1, V3, C
1
Specifications
1025NCW-100-03
Non-Programmable
Thermostat
Model number is located on back
of thermostat
Detailed
User Guide
Summary of Contents for 1025NC
Page 11: ......