Old Boiler Wiring Diagram (want to get it right)
#1
12-09-11, 09:32 AM
Old Boiler Wiring Diagram (want to get it right)
Just bought a 1966 home with the original boiler. Appears to have some newer control components though. Below is a list of the control components:
Controller: Honeywell RA832A
Gas Valve: Honeywell V800 (I think)
Aquastat: Honeywell L4080B
Circulator: Taco 007-F4
110/24V Transformer: Unknown model
Zone Valve: Taco 571-2 (zoned for the basement..no zone valve for upper level)
Here is a diagram of how it is currently wired:
It is working fine now however the Taco 571-2 for the basement is not connected and I would like to get it working. Unfortunately there is not a zone valve for the upper level. I assume this means that any time I have a heat call for the lower level I am going to be circulating hot water to the upper level too.
Here is the questions:
Thank so much guys!
Controller: Honeywell RA832A
Gas Valve: Honeywell V800 (I think)
Aquastat: Honeywell L4080B
Circulator: Taco 007-F4
110/24V Transformer: Unknown model
Zone Valve: Taco 571-2 (zoned for the basement..no zone valve for upper level)
Here is a diagram of how it is currently wired:
It is working fine now however the Taco 571-2 for the basement is not connected and I would like to get it working. Unfortunately there is not a zone valve for the upper level. I assume this means that any time I have a heat call for the lower level I am going to be circulating hot water to the upper level too.
Here is the questions:
- Are all the correct controls present for safe operation?
- I am not sure what the component is with the ??'s, any thoughts?
- How should all of this be wired? I am not assuming it is done correctly.
- Goes with #2, but how should the zone valve and basement thermostat be wired into this system?
Thank so much guys!
#2
12-09-11, 03:26 PM
Given the age of your system, I wouldn't sink a lot of cash into making many changes... unless you do it in such a way as to be able to re-use those changes with a new boiler when the time comes.
It appears so. But I don't see anything that controls the pilot in your drawing. Perhaps that's what the ?? box is in your drawing?
Can you take pictures? Perhaps we can ID that part. FREE account at Image hosting, free photo sharing & video sharing at Photobucket, upload pics there, place link here to your PUBLIC album for us to view.
What I see in the drawing looks OK so far.
Honestly, for this winter, you might just wanna leave it alone. If you need heat in the basement, just jack open the zone valve manually and let the heat circulate when the upstairs thermostat calls for heat.
more.......>
1. Are all the correct controls present for safe operation?
2. I am not sure what the component is with the ??'s, any thoughts?
3. How should all of this be wired? I am not assuming it is done correctly.
4. Goes with #2, but how should the zone valve and basement thermostat be wired into this system?
more.......>
#3
12-09-11, 03:36 PM
What is the temperature setting in the 4080 ?
Correct. And since the lower level could likely be a lot cooler than the upper, you would surely end up overheating the upper... perhaps that's why the stuff is not wired? Does it look like it was EVER wired? or was it something someone started and never finished?
What you would need to do is install another zone valve for the upstairs.
The easiest way to set up zone valves is by using something like a Taco ZVC panel. This would be usable with a new boiler also... and allow for 'expansion' because of the couple extra 'channels'. If a future indirect water heater were installed, it would allow for control of that also.
http://www.taco-hvac.com/uploads/Fil...ry/102-090.pdf
The ZVC panel is 'optional' as zone valves can be wired without it, this just makes the job a LOT easier.
It is working fine now however the Taco 571-2 for the basement is not connected and I would like to get it working. Unfortunately there is not a zone valve for the upper level. I assume this means that any time I have a heat call for the lower level I am going to be circulating hot water to the upper level too.
What you would need to do is install another zone valve for the upstairs.
The easiest way to set up zone valves is by using something like a Taco ZVC panel. This would be usable with a new boiler also... and allow for 'expansion' because of the couple extra 'channels'. If a future indirect water heater were installed, it would allow for control of that also.
http://www.taco-hvac.com/uploads/Fil...ry/102-090.pdf
The ZVC panel is 'optional' as zone valves can be wired without it, this just makes the job a LOT easier.
