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Posted: 8/27/2015 10:13:09 PM EDT
[#1]
no rules, unless you want it code.
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Posted: 8/27/2015 10:23:02 PM EDT
[#2]
Quote HistoryQuoted:
no rules, unless you want it code. Yes, I want it to code. Does code say anything about what I want to do? |
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Posted: 8/27/2015 10:23:37 PM EDT
[#3]
http://www.kohlergenerators.com/common/pdf/tp6810.pdf
check page 15 Not much on location of windows and doors , if this was a pool heater their would be a whole chapter for location Quick disconnect is a bad idea I would make one suggestion and that being make sure your gas meter and lines are big enough to supply gas to all appliances in the house at the same time Good Luck |
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Posted: 8/27/2015 10:26:59 PM EDT
[#4]
Gas isn't like water. You cant just cut in a tee without taking into account the BTU demand on the system. I suspect that your gas line is currently 3/4" or 1" low pressure.
Take a look at engineeringtoolbox.com for gas pipe sizing. Be aware that pipe type, pressure, length of run and fitting counts all come into play when sizing. A natural gas generator is typically a high BTU draw. A 3/4" pipe is likely too small. A 1" is marginal unless you are close to the regulator. |
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Posted: 8/27/2015 10:30:30 PM EDT
[#5]
You might be better off to run a dedicated line teed off right after your gas meter.
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Posted: 8/27/2015 10:37:04 PM EDT
[#6]
Quote HistoryQuoted:
You might be better off to run a dedicated line teed off right after your gas meter. That's what I would like to avoid if possible. I only have 2 gas appliances right now, water heater and furnace. So I should have a bit of capacity to play with. It's only a 3200/4000 watt peak generator. (for now  )
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Posted: 8/27/2015 10:40:44 PM EDT
[#7]
Off topic,
Do you intend to power a water pump with the generator? |
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Posted: 8/27/2015 10:41:09 PM EDT
[#8]
Quote HistoryQuoted:
Off topic, Do you intend to power a water pump with the generator? No. |
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Posted: 8/27/2015 10:44:03 PM EDT
[#9]
Quote HistoryQuoted:
Gas isn't like water. You cant just cut in a tee without taking into account the BTU demand on the system. I suspect that your gas line is currently 3/4" or 1" low pressure. Take a look at engineeringtoolbox.com for gas pipe sizing. Be aware that pipe type, pressure, length of run and fitting counts all come into play when sizing. A natural gas generator is typically a high BTU draw. A 3/4" pipe is likely too small. A 1" is marginal unless you are close to the regulator. Everything said above is correct. Also likely that the gas meter and regulator provided by your utility company will be too small. Typical residential meter is a 250k BTU. They can be overrun but the pressure loss across the diaphragm can be significant. First step is to find the BTU requirements for the generator. |
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Posted: 8/27/2015 10:48:06 PM EDT
[#10]
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Posted: 8/27/2015 10:49:23 PM EDT
[#11]
Quote HistoryYeah I was just looking at that too. I will map out my gas system to have a compete understanding of what I have to work with. |
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Posted: 8/27/2015 10:50:05 PM EDT
[#12]
Quote HistoryQuoted:
Everything said above is correct. Also likely that the gas meter and regulator provided by your utility company will be too small. Typical residential meter is a 250k BTU. They can be overrun but the pressure loss across the diaphragm can be significant. First step is to find the BTU requirements for the generator. Quote HistoryQuoted:
Quoted:
Gas isn't like water. You cant just cut in a tee without taking into account the BTU demand on the system. I suspect that your gas line is currently 3/4" or 1" low pressure. Take a look at engineeringtoolbox.com for gas pipe sizing. Be aware that pipe type, pressure, length of run and fitting counts all come into play when sizing. A natural gas generator is typically a high BTU draw. A 3/4" pipe is likely too small. A 1" is marginal unless you are close to the regulator. Everything said above is correct. Also likely that the gas meter and regulator provided by your utility company will be too small. Typical residential meter is a 250k BTU. They can be overrun but the pressure loss across the diaphragm can be significant. First step is to find the BTU requirements for the generator. Rule of thumb is 10k BTU per 1hp. I have a 6.5hp genny, so lets just round up and say 70k BTU |
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Posted: 8/27/2015 11:24:31 PM EDT
[#13]
Quote HistoryQuoted:
Rule of thumb is 10k BTU per 1hp. I have a 6.5hp genny, so lets just round up and say 70k BTU Quote HistoryQuoted:
Quoted:
Quoted:
Gas isn't like water. You cant just cut in a tee without taking into account the BTU demand on the system. I suspect that your gas line is currently 3/4" or 1" low pressure. Take a look at engineeringtoolbox.com for gas pipe sizing. Be aware that pipe type, pressure, length of run and fitting counts all come into play when sizing. A natural gas generator is typically a high BTU draw. A 3/4" pipe is likely too small. A 1" is marginal unless you are close to the regulator. Everything said above is correct. Also likely that the gas meter and regulator provided by your utility company will be too small. Typical residential meter is a 250k BTU. They can be overrun but the pressure loss across the diaphragm can be significant. First step is to find the BTU requirements for the generator. Rule of thumb is 10k BTU per 1hp. I have a 6.5hp genny, so lets just round up and say 70k BTU Meter and regulator are probably ok then if you're only needing an extra 70k. You will need to check WC pressure required for the generator. Your house regulator is probably set at 4 to 7 inches WC as most home appliances operate in this range. NG engines usually require a little more pressure, 10 to 14 inches WC. |
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Posted: 8/27/2015 11:48:05 PM EDT
[#14]
I'm not sure about the code part, but I would recommend a ball valve before the quick disconnect.
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Posted: 8/27/2015 11:55:57 PM EDT
[#15]
Quote HistoryQuoted:
I'm not sure about the code part, but I would recommend a ball valve before the quick disconnect. This is what I was actually going to do, on the house-end part. The QD part would be on the generator. |
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