tekmar 540 Thermostat Installation - Manual

tekmarNet ® 4 Thermostat 540
Installation & Operation Manual
D540
12/11
Replaces:08/10
1 of 28 © 2011 D 540 - 12/11
Zoning
The tekmarNet ® 4 Thermostat 540
provides operation for:
One Stage Heat
One Stage Cool
One Fan •
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Introduction
Features
Zone Synchronization
Zone Post Purge
Intelligent setback (Timer 033)
Scenes (Away override)
Auto Heating Cycle
Cooling Interlock
tekmarNet
® 4 communication
compatible
Requires 7 wires
One stage heat, cool, and fan
Pulse Width Modulation
CSA C US Approved for use in
USA and Canada
Outdoor temperature display
Air Group control
Backlight
Freeze Protection
Equipment Exercising
Room Temperature Limiting
Hydronic Cooling
Supports Radiant Floor Cooling
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