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#1
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Heat wont come on after running out of oil
Hello,
I ran out of oil. after filling the tank and bleeding the line the furnace came on but it seems like its only coming on to heat the water. I get hot water from the furnace. The baseboard heaters are barley getting warm. it seem like the system is shutting down once water is hot but the temperature in the house is as low as it can go on the thermostat. if i run the hot water the furnace will come back on but stops soon after the hot water is off. i turned both thermostats down all the way for about 10 mins then back on and the furnace still wont come on from that. what could be the problem. thank you |
#2
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Heat wont come on after running out of oil
On Jan 15, 9:30*am, BM BM2home.com wrote:
Hello, I ran out of oil. *after filling the tank and bleeding the line the furnace came on but it seems like its only coming on to heat the water. *I get hot water from the furnace. *The baseboard heaters are barley getting warm. *it seem like the system is shutting down once water is hot but the temperature in the house is as low as it can go on the thermostat. * if i run the hot water the furnace will come back on but stops soon after the hot water is off. *i turned both thermostats down all the way for about 10 mins then back on and the furnace still wont come on from that. *what could be the problem. thank you Try turning off the breaker for the furnace for 20 seconds or so...and then re-start it. |
#3
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Heat wont come on after running out of oil
Bob_Villa wrote in
: Try turning off the breaker for the furnace for 20 seconds or so...and then re-start it. turning the breaker off and on didnt make a differnece. when i take the thermostat off the wall and make contact with the two wires i think the furnace should come on but it dosent. |
#4
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Heat wont come on after running out of oil
On Jan 15, 10:11*am, BM BM2home.com wrote:
Bob_Villa wrote : Try turning off the breaker for the furnace for 20 seconds or so...and then re-start it. turning the breaker off and on didnt make a differnece. * when i take the thermostat off the wall and make contact with the two wires i think the furnace should come on but it dosent. Is there a diagnostic board (LED's) that you can trouble-shoot the problem? |
#5
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Heat wont come on after running out of oil
On Jan 15, 11:19*am, Bob_Villa wrote:
On Jan 15, 10:11*am, BM BM2home.com wrote: Bob_Villa wrote : Try turning off the breaker for the furnace for 20 seconds or so...and then re-start it. turning the breaker off and on didnt make a differnece. * when i take the thermostat off the wall and make contact with the two wires i think the furnace should come on but it dosent. Is there a diagnostic board (LED's) that you can trouble-shoot the problem? Is the circulator pump running? If not, is it getting power? If the pump isn't running, you'd have hot water, but no circulation in the radiators. That shouldn't have anything to do with running out of oil, perhaps its a coincidence. |
#6
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Heat wont come on after running out of oil
On 15 Jan 2012 15:30:04 GMT, BM BM2home.com wrote:
Hello, I ran out of oil. after filling the tank and bleeding the line the furnace came on but it seems like its only coming on to heat the water. I get hot water from the furnace. The baseboard heaters are barley getting warm. it seem like the system is shutting down once water is hot but the temperature in the house is as low as it can go on the thermostat. if i run the hot water the furnace will come back on but stops soon after the hot water is off. i turned both thermostats down all the way for about 10 mins then back on and the furnace still wont come on from that. what could be the problem. thank you I'm not familiar with some of the newer control possibilities, but I'd look for a reset someplace. Normally, there is one that prevents the burner from going on after a few tries, as in out of oil, but perhaps there is another that tripped for the heating portion, but not the hot water. The reset may be a button on top of a box, or it may be inside a control panel. |
#7
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Heat wont come on after running out of oil
Is there a diagnostic board (LED's) that you can trouble-shoot the problem? there are no diagnostics. the pipes are getting very hot coming out of the furnace. it seems like the water is not circulating. |
#8
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Heat wont come on after running out of oil
the system is only one year old. everything was replaced. i now how to
turn the system back on when its locked out. when i pull the fuse to the electric box for the circulator motors i can hear them turn on, so something is going on inside ther. maybe it just takes several hours for the water to circulate enough to start heating the house, but that dosent seem normal. |
#9
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Heat wont come on after running out of oil
On 1/15/2012 10:30 AM, BM wrote:
Hello, I ran out of oil. after filling the tank and bleeding the line the furnace came on but it seems like its only coming on to heat the water. I get hot water from the furnace. The baseboard heaters are barley getting warm. it seem like the system is shutting down once water is hot but the temperature in the house is as low as it can go on the thermostat. if i run the hot water the furnace will come back on but stops soon after the hot water is off. i turned both thermostats down all the way for about 10 mins then back on and the furnace still wont come on from that. what could be the problem. thank you You are barking up the wrong tree. first off, it is a boiler not a furnace. If it makes hot water, the issue is not with the boiler, it's with the heating zone system. First you need to describe the components . Is the hot water, from a coil within the boiler, or do you have an indirect tank? How many heating zones? Do you have circulator pumps or zone valves, and how many of each? What type of switching relays, aquastats etc. do you have? |
#10
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Heat wont come on after running out of oil
On 15 Jan 2012 18:00:39 GMT, BM BM2home.com wrote:
the system is only one year old. everything was replaced. i now how to turn the system back on when its locked out. when i pull the fuse to the electric box for the circulator motors i can hear them turn on, so something is going on inside ther. maybe it just takes several hours for the water to circulate enough to start heating the house, but that dosent seem normal. It is not normal. I'm not sure what fuse you are pulling though. When you pull a fuse, things stop. You have to understand the system to diagnose though. The thermostat does not turn on the burner. It turns on the circulator. The water starts to circulate and when the temperature in the heater cools down, an aquastat starts the burner. When it reaches the desired temperature, the burner stops, but water keeps on circulating. When the thermostat reaches the desired temperature, it turns off the circulator. The burner may or may not be running. It will run long enough to bring the water up to the "reserve" temperature. What I don't understand is why you have a system that has integrated hot water unless this is a stand alone tank with a heat exchanger. The old systems are extremely inefficient and costly to operate. OTOH, some newer energy efficient models work a bit differently. Mine won't allow the circulators to run until the water is up to temperature. There are electronics controlling all the stuff though and I think you stated you had none. Nothing to do with running out of fuel, but be sure you have sufficient water in the system. Pumps can run but with nothing to circulate, no heat. Also, how long were you without oil? Could a pipe in the wall have frozen over the past day or so? That would cause a block to prevent heat from circulating. |
#11
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Heat wont come on after running out of oil
You are barking up the wrong tree. first off, it is a boiler not a furnace. If it makes hot water, the issue is not with the boiler, it's with the heating zone system. First you need to describe the components . Is the hot water, from a coil within the boiler, or do you have an indirect tank? How many heating zones? Do you have circulator pumps or zone valves, and how many of each? What type of switching relays, aquastats etc. do you have? ok then I guess its a boiler. the hot water does come from coils in the tank but thats not the problem. the problem is the house is not getting hot. the base board heaters are just warm. there are two zones, there are two Taco Circulating Pumps. the are making a very quiet humming noise. the burner comes on for about two mins every halhalf hour or so. im not sure what the switch relay is |
#12
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Heat wont come on after running out of oil
On 1/15/2012 1:29 PM, BM wrote:
You are barking up the wrong tree. first off, it is a boiler not a furnace. If it makes hot water, the issue is not with the boiler, it's with the heating zone system. First you need to describe the components . Is the hot water, from a coil within the boiler, or do you have an indirect tank? How many heating zones? Do you have circulator pumps or zone valves, and how many of each? What type of switching relays, aquastats etc. do you have? ok then I guess its a boiler. the hot water does come from coils in the tank but thats not the problem. the problem is the house is not getting hot. the base board heaters are just warm. there are two zones, there are two Taco Circulating Pumps. the are making a very quiet humming noise. the burner comes on for about two mins every halhalf hour or so. im not sure what the switch relay is OK, a system like yours has a triple aquastat relay mounted on it. It will have two temperature dials on it, unless it's an electronic model. In any event, that control maintains the temperature of the hot water in the boiler independent of circulating control. Each of your two circulators has a relay which sends 120 volts to it's respective circulator when that circulator's thermostat calls for heat. If you turn up and down each thermostat, you should hear it's relay click on and off. Don't go by the hum of the circulator as that can be deceiving. Check for each relay clicking on and off as you raise and lower the thermostats. |
#13
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Heat wont come on after running out of oil
OK, a system like yours has a triple aquastat relay mounted on it. It will have two temperature dials on it, unless it's an electronic model. In any event, that control maintains the temperature of the hot water in the boiler independent of circulating control. Each of your two circulators has a relay which sends 120 volts to it's respective circulator when that circulator's thermostat calls for heat. If you turn up and down each thermostat, you should hear it's relay click on and off. Don't go by the hum of the circulator as that can be deceiving. Check for each relay clicking on and off as you raise and lower the thermostats. RBM, there is a Honeywell box on the from of the system. if i take the cover off there are two dials insied. One says HI and set on 180 the other says LO and set on 160. I remeber when the guy put the system in he told me those dias control the water temberature coming out of the faucet. Other than that I dont see anything that controls the temperature for the circulating pumps. |
#14
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Heat wont come on after running out of oil
On 1/15/2012 2:12 PM, BM wrote:
OK, a system like yours has a triple aquastat relay mounted on it. It will have two temperature dials on it, unless it's an electronic model. In any event, that control maintains the temperature of the hot water in the boiler independent of circulating control. Each of your two circulators has a relay which sends 120 volts to it's respective circulator when that circulator's thermostat calls for heat. If you turn up and down each thermostat, you should hear it's relay click on and off. Don't go by the hum of the circulator as that can be deceiving. Check for each relay clicking on and off as you raise and lower the thermostats. RBM, there is a Honeywell box on the from of the system. if i take the cover off there are two dials insied. One says HI and set on 180 the other says LO and set on 160. I remeber when the guy put the system in he told me those dias control the water temberature coming out of the faucet. Other than that I dont see anything that controls the temperature for the circulating pumps. He is correct, those dials maintain the temperature of the boiler water. The circulators for the heating zones are controlled by your room thermostats, through switching relays. These relays can be individual boxes about 4" x 4" or multiple relays can be inside one box. If you trace the cable from each circulator, those cables should be coming from these boxes. This is also where the thermostat (low voltage) wires are connected. |
#15
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Heat wont come on after running out of oil
On Jan 15, 1:20*pm, RBM wrote:
On 1/15/2012 2:12 PM, BM wrote: OK, a system like yours has a triple aquastat relay mounted on it. It will have two temperature dials on it, unless it's an electronic model. In any event, that control maintains the temperature of the hot water in the boiler independent of circulating control. Each of your two circulators has a relay which sends 120 volts to it's respective circulator when that circulator's thermostat calls for heat. If you turn up and down each thermostat, you should hear it's relay click on and off. Don't go by the hum of the circulator as that can be deceiving. Check for each relay clicking on and off as you raise and lower the thermostats. RBM, *there is a Honeywell box on the from of the system. *if i take the cover off there are two dials insied. *One says HI and set on 180 *the other says LO and set on 160. * I remeber when the guy put the system in he told me those dias control the water temberature coming out of the faucet. Other than that I dont see anything that controls the temperature for the circulating pumps. He is correct, those dials maintain the temperature of the boiler water. The circulators for the heating zones are controlled by your room thermostats, through switching relays. These relays can be individual boxes about 4" x 4" or multiple relays can be inside one box. If you trace the cable from each circulator, those cables should be coming from these boxes. This is also where the thermostat (low voltage) wires are connected.- Hide quoted text - - Show quoted text - It seems like the circulator pumps are not running. You need someone to move the room thermostats up and down while you are at the pump. When the pump is not running, one side (from the boiler) should be much hotter than the other side( to the baseboard heaters). When the thermostat is raised to increase the room temperature, the relay should operate and the circulating pump should get 120V to start the pump running. The pump should run until the room thermostat gets hot enough and then the circulating pump should stop. As soon as the pump starts, within less than a minute or so, hot water should be circulating to the baseboard units and they should start to heat up. Both sides of the pipes to the circulating pump should be hot if the water is circulating. DO you have a voltmeter to check the voltage at the pumps. Pumps humming could be their normal sound, or the same sound could indicate a damaged pump. But it is strange that both pumps would go bad, if you have two pumps, or that both valves, if you have only one pump and two zone valves would go bad at trhe same time. If you have two volves and only one pump, I would bet money on the pump. This is so basic that I believe you should get a handy neighbor in to help you. |
#16
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Heat wont come on after running out of oil
It seems like the circulator pumps are not running. Did one of the water circulation pipes FREEZE while the heat was off? Mark |
#17
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Heat wont come on after running out of oil - 1 attachment
On 1/15/2012 7:45 PM, BM wrote:
when i turn the thermostats on and off i can hear the circulator pumps go on and off. the pipes that leave the boiler to the baseboard and return to the boiler are too hot to touch. So i wonder why the baseboars are only slightly warm. there are two zones. Lovely, a picture is worth a thousand words. One of the two circulators is controlled by the triple aquastat relay, the gray box. The other circulator is controlled by a Taco relay, the green box. Your problem is not electrical. It is plumbing, possibly frozen lines, or air in the lines. |
#18
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Heat wont come on after running out of oil
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#19
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Heat wont come on after running out of oil - 1 attachment
RBM wrote in :
On 1/15/2012 7:45 PM, BM wrote: when i turn the thermostats on and off i can hear the circulator pumps go on and off. the pipes that leave the boiler to the baseboard and return to the boiler are too hot to touch. So i wonder why the baseboars are only slightly warm. there are two zones. Lovely, a picture is worth a thousand words. One of the two circulators is controlled by the triple aquastat relay, the gray box. The other circulator is controlled by a Taco relay, the green box. Your problem is not electrical. It is plumbing, possibly frozen lines, or air in the lines. Yep, could be a massive air bubble in the baseboard units (or elsewhere in the lines). To the OP: do you know how to bleed air from the radiators? |
#20
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Heat wont come on after running out of oil
On 1/15/2012 8:31 PM, Doug Miller wrote:
wrote in : On 15 Jan 2012 15:30:04 GMT, BMBM2home.com wrote: Hello, I ran out of oil. after filling the tank and bleeding the line the furnace came on but it seems like its only coming on to heat the water. I get hot water from the furnace. The baseboard heaters are barley getting warm. it seem like the system is shutting down once water is hot but the temperature in the house is as low as it can go on the thermostat. if i run the hot water the furnace will come back on but stops soon after the hot water is off. i turned both thermostats down all the way for about 10 mins then back on and the furnace still wont come on from that. what could be the problem. thank you I'm assuming you have hot water radiators in the house rather than steam. Do you have enough water in the system? If he didn't, the boiler probably wouldn't fire at all, because the low-water-level sensor would disable the ignitor. Normally true, but I don't see one in the pictures. I know in my area of NY, they've only recently been a code requirement Are the pumps running? Maybe some reset tripped for those pumps when the system shut down. What do you mean when you said "you ran the hot water"? Are you saying you also get your hot water from the faucets from this furnace? That's not uncommon, for a boiler system to have one extra zone for domestic hot water. More details and explaination needed.... Describe what you have..... Is this a zone system, or just one for the whole house? Of course check the obvious. Circuit breakers, reset buttons, water level in system, are you getting flame in the firebox for the furnace? Yea, you said you got hot water, but I'm thinking you have two fireboxes, one for heat, one for hot water????? Not if he has a combined system. |
#21
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Heat wont come on after running out of oil
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#22
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Heat wont come on after running out of oil
Bad circulator pump? Or bad coupler between the pump and the motor?
Christopher A. Young Learn more about Jesus www.lds.org .. "BM" wrote in message ... there are no diagnostics. the pipes are getting very hot coming out of the furnace. it seems like the water is not circulating. |
#23
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Heat wont come on after running out of oil
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#24
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Heat wont come on after running out of oil
On Sun, 15 Jan 2012 22:03:32 -0500, RBM wrote:
While the concept of this makes sense during the heating season, I'd hate to have to run the boiler in the summer just to get hot water from the faucets. (Or do they use another water heater that time of year, or have electric heating elements in the system). He posted 3 pictures farther down the string. Yes, this is a basic dumb system. The coil is pretty efficient during the heating season, but quite a waste during the off season. Pictures never shows on my server. That system is so inefficient it should be outlawed. My old boiler was like that and I'd be laying in bed on a hot August night and hear the boiler kick on to keep the water hot. Much oil wasted. My new system uses a stand alone insulated tank and heat exchanger that works as a third zone. It can hold water for a few days with no added heat. My oil use dropped about 40% the past two years. My savings in oil is paying for the new system. 330 gallons saved at the price today, about $3.60. |
#25
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Heat wont come on after running out of oil
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#26
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Heat wont come on after running out of oil
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#28
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Heat wont come on after running out of oil
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#29
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Heat wont come on after running out of oil
On 1/16/2012 10:23 PM, Ed Pawlowski wrote:
On Mon, 16 Jan 2012 15:20:17 -0500, wrote: if the pumps got ice in them, both couplers could be broke. The motors will bust those couplers if the pumps cant turn from ice. Please - Repost that link to the photos. Friend's house has 6 zones, and only one pump. Two methods can be used. One pump and zone valves or individual pumps, one on each zone. The OP has the latter. or multiple pumps and multiple zone valves |
#30
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Heat wont come on after running out of oil
On 1/17/2012 6:17 AM, RBM wrote:
On 1/16/2012 10:23 PM, Ed Pawlowski wrote: On Mon, 16 Jan 2012 15:20:17 -0500, wrote: if the pumps got ice in them, both couplers could be broke. The motors will bust those couplers if the pumps cant turn from ice. Please - Repost that link to the photos. Friend's house has 6 zones, and only one pump. Two methods can be used. One pump and zone valves or individual pumps, one on each zone. The OP has the latter. or multiple pumps and multiple zone valves You need valves (even if you have multiple pumps or only one zone) in a system with a tankless coil, because without the valves, the hot water would circulate in the heating system by convection when the boiler was heating water for domestic usage, even if the thermostat was not calling for heat. So despite the two circulator pumps there must be valve(s) in this system. -- Peace, bobJ |
#31
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Heat wont come on after running out of oil
On Tue, 17 Jan 2012 11:54:50 -0500, Marilyn & Bob
wrote: On 1/17/2012 6:17 AM, RBM wrote: On 1/16/2012 10:23 PM, Ed Pawlowski wrote: On Mon, 16 Jan 2012 15:20:17 -0500, wrote: if the pumps got ice in them, both couplers could be broke. The motors will bust those couplers if the pumps cant turn from ice. Please - Repost that link to the photos. Friend's house has 6 zones, and only one pump. Two methods can be used. One pump and zone valves or individual pumps, one on each zone. The OP has the latter. or multiple pumps and multiple zone valves You need valves (even if you have multiple pumps or only one zone) in a system with a tankless coil, because without the valves, the hot water would circulate in the heating system by convection when the boiler was heating water for domestic usage, even if the thermostat was not calling for heat. So despite the two circulator pumps there must be valve(s) in this system. And the question remains - have the zone control vslves been checked??? I've replaced 4 over the last several years at my friend's place - lack of heat being the symptom, seized valve the cause. At least 2 happened when the furnace shut down due to a bad thermocouple. (twice) Don't know if there is any cause/effect that could be proven -. |
#32
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Heat wont come on after running out of oil
On 1/17/2012 11:54 AM, Marilyn & Bob wrote:
On 1/17/2012 6:17 AM, RBM wrote: On 1/16/2012 10:23 PM, Ed Pawlowski wrote: On Mon, 16 Jan 2012 15:20:17 -0500, wrote: if the pumps got ice in them, both couplers could be broke. The motors will bust those couplers if the pumps cant turn from ice. Please - Repost that link to the photos. Friend's house has 6 zones, and only one pump. Two methods can be used. One pump and zone valves or individual pumps, one on each zone. The OP has the latter. or multiple pumps and multiple zone valves You need valves (even if you have multiple pumps or only one zone) in a system with a tankless coil, because without the valves, the hot water would circulate in the heating system by convection when the boiler was heating water for domestic usage, even if the thermostat was not calling for heat. So despite the two circulator pumps there must be valve(s) in this system. -- Peace, bobJ Yes, but not zone valves. Those are called flow check valves. In the newest systems, the flow check is built right into the circulator pump. In the OP's system, one flow check valve can be seen in one of the pictures. It's a green thing with an adjustment knob on top |
#33
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Heat wont come on after running out of oil
On 1/17/2012 12:06 PM, wrote:
On Tue, 17 Jan 2012 11:54:50 -0500, Marilyn& Bob wrote: On 1/17/2012 6:17 AM, RBM wrote: On 1/16/2012 10:23 PM, Ed Pawlowski wrote: On Mon, 16 Jan 2012 15:20:17 -0500, wrote: if the pumps got ice in them, both couplers could be broke. The motors will bust those couplers if the pumps cant turn from ice. Please - Repost that link to the photos. Friend's house has 6 zones, and only one pump. Two methods can be used. One pump and zone valves or individual pumps, one on each zone. The OP has the latter. or multiple pumps and multiple zone valves You need valves (even if you have multiple pumps or only one zone) in a system with a tankless coil, because without the valves, the hot water would circulate in the heating system by convection when the boiler was heating water for domestic usage, even if the thermostat was not calling for heat. So despite the two circulator pumps there must be valve(s) in this system. And the question remains - have the zone control vslves been checked??? I've replaced 4 over the last several years at my friend's place - lack of heat being the symptom, seized valve the cause. At least 2 happened when the furnace shut down due to a bad thermocouple. (twice) Don't know if there is any cause/effect that could be proven -. And the same answer remains: There are still no zone valves on the OP's system. FYI here is a picture of a basic zone valve: http://www.pexsupply.com/Honeywell-V...tch-10907000-p |
#34
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Heat wont come on after running out of oil
On 1/17/2012 11:54 AM, Marilyn & Bob wrote:
On 1/17/2012 6:17 AM, RBM wrote: On 1/16/2012 10:23 PM, Ed Pawlowski wrote: On Mon, 16 Jan 2012 15:20:17 -0500, wrote: if the pumps got ice in them, both couplers could be broke. The motors will bust those couplers if the pumps cant turn from ice. Please - Repost that link to the photos. Friend's house has 6 zones, and only one pump. Two methods can be used. One pump and zone valves or individual pumps, one on each zone. The OP has the latter. or multiple pumps and multiple zone valves You need valves (even if you have multiple pumps or only one zone) in a system with a tankless coil, because without the valves, the hot water would circulate in the heating system by convection when the boiler was heating water for domestic usage, even if the thermostat was not calling for heat. So despite the two circulator pumps there must be valve(s) in this system. -- Peace, bobJ Yes, but not zone valves. Those are called flow check valves. In the newest systems, the flow check is built right into the circulator pump. In the OP's system, one flow check valve can be seen in one of the pictures. Unlike a zone valve, it has no wires on it, just a check valve that controls the flow rate. It's a green thing with an adjustment knob on top |
#35
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Heat wont come on after running out of oil
On Tue, 17 Jan 2012 11:54:50 -0500, Marilyn & Bob
wrote: You need valves (even if you have multiple pumps or only one zone) in a system with a tankless coil, because without the valves, the hot water would circulate in the heating system by convection when the boiler was heating water for domestic usage, even if the thermostat was not calling for heat. So despite the two circulator pumps there must be valve(s) in this system. You need a flow preventer, but not a zone valve. There are a few types, but you can get an idea of what they are here http://inspectapedia.com/heat/CheckValves.htm They are mechanical and prevent water circulating unless pumped. They can, however, be opened fully to allow for convection heating should a circulator fail. Not as good as having the pump running, but in a pinch, that zone will get some heat. |
#36
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Heat wont come on after running out of oil
BM posted for all of us...
Hello, I ran out of oil. after filling the tank and bleeding the line the furnace came on but it seems like its only coming on to heat the water. I get hot water from the furnace. The baseboard heaters are barley getting warm. it seem like the system is shutting down once water is hot but the temperature in the house is as low as it can go on the thermostat. if i run the hot water the furnace will come back on but stops soon after the hot water is off. i turned both thermostats down all the way for about 10 mins then back on and the furnace still wont come on from that. what could be the problem. thank you Didn't see any picture... Probably air in the system. Obviously the OP has no idea of what he has or to fix. Call a professional. Get an explanation from this person as to what you have and how it works. It may be simple to bleed your system or it may be hard/troublesome. Did the system freeze? Never saw an answer... I also won't quote what configuration of my brother in laws/distant relative/forrmer lover/ system has because IT DOES HELP! Please post what the resolution is when fixed. Be advised these technicians WILL be very busy. -- Tekkie |
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Heat wont come on after running out of oil
On Wed, 18 Jan 2012 09:45:51 -0500, Tekkie®
wrote: Please post what the resolution is when fixed. Be advised these technicians WILL be very busy. Yeah, my guess is we'll never hear from him again. It has already been a few cold days so he either fixed it or called a pro and is too embarrassed to tell what happened. |
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