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I bought a York CX-IDC controller on eBay to be used as a cold-standby backup controller to our currently operating controller. The standby CX-IDC has SW rev R10V01. I have loaded the identical...

Yes, on call for heat, the piping that supplies the coil does get hot from the valve to the coil.

No thermometers or pressure gauges on this coil. We have 54 of these fan/coil units throughout the church where this system is installed. This fan/coil unit seems to be to only one with flow problems...

The balancing valve on the hot water outlet pipe is fully open (as is the shut-off valve on the hot water inlet pipe). I am not familiar with balancing. How can I determine if a balancing issue may...

Yes, you are right about it having a 3-way valve for hot-water bypass. This valve is installed and operating properly.

It is the coil. There is plenty of flow through the hot water bypass pipe when the thermostat is not calling for heat.
However, when the thermostat calls for heat, the inlet pipe to the coil becomes...

Thanks....I can try to get Regulated Nitrogen of CO2 to do this. Also curious about why blowing compressed air through the coil would not do anything??

I have a 4-pipe heating/cooling system in a church. One of the fan/coil units is experiencing extremely low flow rate through the hot water coil. All the other fan/coil units work OK. I have blown...

I support a York IDC controller (SW rev UCS UDC 5B) at my church. I purchased a CX-IDC controller (SW rev OCS UDC 1) to serve as a standby backup controller in case the IDC controller fails. I now...

The two 24V signals control two different pump motor actuators. hat are your thoughts on that? I am not thinking I can tie these to signals together because of this. What are your thoughts on this?
...

Thanks....what do you mean by[U] [I]"break the control point & leave the controller on"?

Thanks, but I cannot seem to find a relay that has 2 inputs that control a single output. Do you have some suggestions on a relay that does this?

Hello....the boiler room I support has an electronic boiler control box that sequences four boilers on and off as needed based on water temperature. This control system is powered by 120VAC that is...

DFZ...thank you for the ICE software documentation. Now, all I'm missing is the actual software. Can you help with that too?

Joe

Sorry...I'm new to the forum. I just checked my profile and my email address is in the profile.

Joe

b-man,
My email address Email Address Removed

Thanks a lot,
Joe

I have just inherited a York IDC controller that controls our boilers, chillers, pump motors and fan/coil units. I need the York ICE software to modify the control sequence. Can someone help me with...