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Tekmar newby with a problem

PG2448
Member Posts: 5
Just installed a Burnham PVG into a 6 unit apartment building with Tekmar controls, 334 Zone Manager, 420 Boiler Reset Manager, 313 Wiring Manager for the 2 extra zones, and 527 stats and 070 Outside Sensor. Am using AutoMag zone valves due to their minimal/neglegable maintanence issues so need a set of relays due to needing power to hold valves closed.
All works just fine, except Apt #1 that comes on when unit not calling for heat and staying on till I pull the stat wires from the Zone Manager.
Any thoughts as to what may be happening? I am reusing the existing stat wires which worked just fine for previous install with Honeywell valves, and there is no evidence of shorting or lack of continuity.
Might I have a defective stat or a malfunctioning switch on the board in the 334 for that zone?
All works just fine, except Apt #1 that comes on when unit not calling for heat and staying on till I pull the stat wires from the Zone Manager.
Any thoughts as to what may be happening? I am reusing the existing stat wires which worked just fine for previous install with Honeywell valves, and there is no evidence of shorting or lack of continuity.
Might I have a defective stat or a malfunctioning switch on the board in the 334 for that zone?
0
Comments
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Found the problem
With the multitude of wires there was a cross connection in two places. Found it out and corrected and the system is running seamlessly! Love Tekmar!0
This discussion has been closed.
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