troubleshooting Question

How to read an HVAC electronic schema

Avatar of brad_lub
brad_lubFlag for United States of America asked on
HardwarePersonal Electronics
8 Comments1 Solution569 ViewsLast Modified:
Issue:
I have an 6-zone HVAC panel (non-heat pump). One of the zones (let’s say zone-6) is connected to a thermostat in a small sun room. I have (2) other zones (let’s say zones 2&4) that have their own thermostats. The issue is that when zone 6 calls my 5-ton AC/Heater is not conditioning any other zones; in similar fashion, when zones 2 or 4 call, zone 6 does not call.

Intended functionality:
If either zone 2 or 4 calls, I would like to have zone 6 call as well (i.e. vents open at zone-6). If zone 6 calls, then zone 6 vents open as well as zone 4.

I have attached an electronic schema of a possible solution.

Questions:
(1) does anyone see any issues with the attached solution?
(2) any suggestions of where I can purchase the relay switches?
(3) what gauge wire should I use to connect all this?

Thanks,

Brad

relays.png
ASKER CERTIFIED SOLUTION
lewisg

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