Overview The following brochure describes how to wire the tekmarNet 4 (tN4) thermostat 537. The 537 has an output for one ® stage of heat. Network 24 V (ac) Power Switch Settings...
The electrical drawing examples on the following pages show of the particular system being designed including additional the 537 in common applications. Choose the drawing that equipment isolation relays (for loads greater than the controls specified output ratings) and any safety devices most accurately depicts the components in your system and use that drawing as a guide to aid in wiring your system.
24 V (ac) +/– 10%. Testing the Relays 1. Remove the front cover from the thermostat. 537 LCD Display Segments 2. Lower the Set Room temperature. The “H1” symbol should not be on the display. 3. Set electrical test meter to continuity.
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