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Old 12-05-2008, 05:27 PM   #1
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HVAC help please


I'm having a problem with my HVAC. I own a condo and there's no heat. The heating unit is in the wall with the filter just below it. The fan keeps coming on and blowing room temperature air. I checked the fuse panel and it's fine. I adjusted the temperature on the thermostat to see if that will get it to work. No luck. I opened up the panel and see a motor like module with copper pipes going into it. The pipes are hot. Can anyone help?

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Old 12-05-2008, 05:36 PM   #2
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HVAC help please


Is your water heater in the same closet?

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Old 12-05-2008, 05:41 PM   #3
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Is your water heater in the same closet?
No, it's a newer condo. I believe it's a centralized boiler. There's no boiler in my unit. But the copper pipes leading into the module is hot. I can take a pic and post it, if that helps?
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Old 12-05-2008, 05:59 PM   #4
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The picture will help. Do you rent the condo? If so the building maintenance guy should be involved.
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Old 12-05-2008, 06:15 PM   #5
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The picture will help. Do you rent the condo? If so the building maintenance guy should be involved.
Here are the pics. I own the condo. It's the weekend and it's hard to get a HVAC professional right now. Was wondering if I can fix it myself for the weekend. If not, then I'll call the HVAC professional on Monday. Thanks for your help guys.
HVAC help please-dsc08564.jpg

HVAC help please-dsc08565.jpg

HVAC help please-dsc08567.jpg
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Old 12-05-2008, 06:18 PM   #6
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It's a fan coil.

All the condos serviced by one boiler and a chiller.

If the fan does not work switch the thermostat fan auto-on to the on position and see if it comes on
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Old 12-05-2008, 06:20 PM   #7
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It's a fan coil.

All the condos serviced by one boiler and a chiller.

If the fan does not work switch the thermostat fan auto-on to the on position and see if it comes on
The fan is working. It's just blowing out room temp air.
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Old 12-05-2008, 06:21 PM   #8
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Appears to have electric solenoid valve(s) on the water line which may not be opening. The thermostat may not be sending a signal or a relay may not be opening the solenoid valve. You may need a Pro to sort it out. If you rent and damage it they may hold you liable.
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Old 12-05-2008, 06:23 PM   #9
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Appears to have electric solenoid valve(s) on the water line which may not be opening. The thermostat may not be sending a signal or a relay may not be opening the solenoid valve. You may need a Pro to sort it out. If you rent and damage it they may hold you liable.
Can I try hitting it to get it to work? Or will that break it even more? What kind of heating system is this called?
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Old 12-05-2008, 06:26 PM   #10
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If you can hold on to the water pipes the boiler is probably not up to temp. Check with the neighbors to see if there is a problem with theirs.
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Old 12-05-2008, 06:26 PM   #11
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LOL... when all else fails....SMACK IT!

No, but you should call you bldg. maint man. You do have one do you not?
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Old 12-05-2008, 06:30 PM   #12
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LOL... when all else fails....SMACK IT!

No, but you should call you bldg. maint man. You do have one do you not?

Hahaha. Yeah I do have one. He checked and said the water is not getting into the module. He said call a professional.
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Old 12-05-2008, 06:31 PM   #13
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If you can hold on to the water pipes the boiler is probably not up to temp. Check with the neighbors to see if there is a problem with theirs.

The neighbour have heat. The water pipes are pretty hot. I can't hold it.
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Old 12-05-2008, 06:36 PM   #14
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then try the valve. Dont beat on it. Just give a firm tap.

A lot of the water valves these days are coming from China and they jam.
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Old 12-05-2008, 06:52 PM   #15
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then try the valve. Dont beat on it. Just give a firm tap.

A lot of the water valves these days are coming from China and they jam.

You guys are awesome! There's heat coming out. I think it was clogged. I took a hammer and lighty taped the water valves. There's a hot spot along the pipes, then there's a warm spot, then there's a cold spot. I just tapped around the warm area where I think is clogged and turned it back on. Heat is coming out of the vents now. Thanks guys!


Last edited by shumv; 12-05-2008 at 06:55 PM.
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