d*j
2 楼
YES
d*j
3 楼
YES
d*j
4 楼
Check 24v at the zoning control board to the damper before purchasing a
replacement.
【在 t****t 的大作中提到】
: Honeywell ZD8x20 damper不能关闭。但是这个型号停产了，只有
: ZD8x20TZ. 请问可以用不？
replacement.
【在 t****t 的大作中提到】
: Honeywell ZD8x20 damper不能关闭。但是这个型号停产了，只有
: ZD8x20TZ. 请问可以用不？
t*t
5 楼
Thanks! Do you mean I need to make sure there is 24v current at the control
module?
module?
d*j
6 楼
YES, MAKE SURE THERE IS 24V AT THE ZONING BOARD, THE FURNACE CIRCUIT BOARD (
R AND W AT HEATING MODE) AND AT THE DAMPER, SOME BRAND ZONING SYSTEMS NEED
AN INDIVIDUAL TRANSFORMER TO CONTROL DAMPERS, YOU SHOULD TEST THE VOLTAGE
THERE AS WELL.
R AND W AT HEATING MODE) AND AT THE DAMPER, SOME BRAND ZONING SYSTEMS NEED
AN INDIVIDUAL TRANSFORMER TO CONTROL DAMPERS, YOU SHOULD TEST THE VOLTAGE
THERE AS WELL.
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