Tag: 557

  • Tekmar 557 Thermostat Installation & Operation Manual

    Tekmar 557 Thermostat Installation & Operation Manual

    Tekmar 557 Thermostat Introduction The tekmarNet® Thermostat 557 is a communicating touchscreen thermostat designed to operate either: a hydronic radiant floor with a two stage heat pump (water-to-air or air-to-air) for heating & cooling and an emergency backup heating system; or two stages of heating and two stages of cooling. There are three auxiliary sensor…

  • Tekmar 557 Thermostat Quick Setup Guide

    Tekmar 557 Thermostat Quick Setup Guide

    Tekmar 557 Thermostat Location Install Thermostat Switch Settings Switch Position Action 1 ON LOCK Access level adjustment is not available. OFF UNLOCK Access level adjustment is available. 2 Not Used Stand Alone Wiring For tekmarNet®2 or 4 wiring, see Application Brochure 557_A or Installation & Operation Manual 557_D. User Interface Critical Settings The following settings…