tekmarNet
®
4 Thermostat 538
Installation & Operation Manual
D538
12/11
Zoning
Replaces:08/10
1 of 24
© 2011
D 538 - 12/11
The tekmarNet
®
4 Thermostat 538
provides operation for:
One Stage Heat
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Introduction
Features
Zone Synchronization
Zone Post Purge
Intelligent setback (Timer 033)
Scenes (Away override)
Auto Heating Cycle
tekmarNet
®
4 communication
compatible
Requires 4 wires
Pulse Width Modulation
CSA C US Approved for use in
USA and Canada
Outdoor temperature display
Air Group member
Backlight
Freeze Protection
Equipment Exercising
Floor warming (Slab Sensor 079)
1 Auxiliary sensor input
Room Temperature Limiting
Supports Radiant Floor Cooling
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