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Thread: Baysys SZ1017a

  1. #1
    Join Date
    Jan 2013
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    Baysys SZ1017a

    I want to replace an "in use" modulating thermostat Basys sz1017a with a touchscreen thermostat from Honeywell or White Rodgers (preferably). What choices do I have? System is a 2 stage electric heat (2 stage electric heating module is mounted in the air handler) and cooling is handled via a roof top chiller unit (Carrier). sz1017a is currently wired using "Y1 or W1", "Y2 or W2", A01 and GND wires connect to HWV or CWV, also a remote room sensor is installed on terminals T1 and T1. power - 24VAC single transformer.

  2. #2
    Join Date
    Sep 2004
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