Design and Installation Guide - CT.gov
Design and Installation Guide - CT.gov
Design and Installation Guide - CT.gov
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Section 3: System Configuration<br />
42<br />
August 2010<br />
SIZING RUN “B”<br />
Run “B” is sized by the total load of all supplied appliances <strong>and</strong> the section length<br />
The total load of the supplied appliances is 36 + 52 + 28 + 25 = 141CFH<br />
The section length is 5ft<br />
Referring to Table 7-19 (Pressure drop for Gastite ® CSST): for a 150CFH load, 1" CSST has a drop of 0.008"WC per ft.<br />
The pressure drop over Run “B” is: 0.008" x 5ft = 0.040"WC<br />
The available pressure at the end of run “B” is 5.760"WC - 0.040"WC = 5.720"WC<br />
SIZING RUN “C”<br />
Run “C” is sized by the total load of all supplied appliances <strong>and</strong> the section length<br />
The total load of the supplied appliances is 52 + 28 + 25 = 105CFH<br />
The section length is 10ft<br />
Referring to Table 7-19 (Pressure drop for Gastite ® CSST): for a 110CFH load, 1" CSST has a drop of 0.004"WC per ft.<br />
The pressure drop over Run “C” is: 0.004" x 10ft = 0.040"WC<br />
The available pressure at the end of run “C” is 5.720"WC - 0.040"WC = 5.680"WC<br />
SIZING RUN “D”<br />
Run “D” is sized by the total load of all supplied appliances <strong>and</strong> the section length<br />
The total load of the BBQ <strong>and</strong> the dryer is 25 + 28 = 53CFH<br />
The section length 10ft<br />
Referring to Table 7-19 (Pressure drop for Gastite ® CSST): for a 60CFH load, 3/4" CSST has a drop of 0.006"WC / ft.<br />
The pressure drop over Run “D” is: 0.006" x 10ft = 0.060"WC<br />
The available pressure at the end of run “D” is 5.680"WC - 0.060"WC = 5.620"WC<br />
SIZING RUN “E”<br />
Run “E” is sized by the load of the supplied appliance <strong>and</strong> the section length<br />
The load of the BBQ is 25CFH<br />
The section length is 5ft<br />
Referring to Table 7-19 (Pressure drop for Gastite ® CSST): for a 30CFH load, 1/2" CSST has a drop of 0.005"WC / ft.<br />
The pressure drop over Run “E” is: 0.005" x 5ft = 0.025"WC<br />
The available pressure at the end of run “E” is 5.620"WC - 0.025"WC = 5.595"WC<br />
SIZING RUN “F”<br />
Run “F” is sized by the load of the supplied appliance <strong>and</strong> the section length<br />
The load of the furnace is 80CFH<br />
The section length to the furnace is 10ft<br />
Referring to Table 7-19 (Pressure drop for Gastite ® CSST): for a 80CFH load, 3/4" CSST has a drop of 0.011"WC / ft.<br />
The pressure drop over Run “F” is: 0.011" x 10ft = 0.110"WC<br />
The available pressure at the end of run “F” is 5.760"WC - 0.110"WC = 5.650"WC<br />
SIZING RUN “G”<br />
Run “G” is sized by the load of the supplied appliance <strong>and</strong> the section length<br />
The load of the water heater is 36CFH<br />
The section length to the water heater is 10ft<br />
Referring to Table 7-19 (Pressure drop for Gastite ® CSST): for a 40CFH load, 1/2" CSST has a drop of 0.009"WC / ft.<br />
The pressure drop over Run “G” is: 0.009" x 10ft = 0.090"WC<br />
The available pressure at the end of run “G” is 5.720"WC - 0.090"WC = 5.630"WC<br />
Gastite Division<br />
603 Hendee Street / Springfield, MA 01104<br />
800.662.0208 / www.gastite.com / gastite@gastite.com