60
• METRIC GAS METERS
Natural Gas
MBH
=
127,116 x cu meters
Seconds
For example: Gas Meter measures 0.1 cubic Meters in 100
seconds
MBH
=
127,116 x 0.1
= 127 MBH
100
Propane Gas (LP)
MBH
=
383,482 x
cu meters
Seconds
• NATIONAL BOARD OF BOILER AND PRESSURE VESSEL
INSPECTORS -
Group composed of boiler and pressure
vessel inspectors representing states, cities and provinces
enforcing pressure equipment laws and regulations.
• PRESSURE TEST
- Operation performed to verify gas
tight integrity of gas piping following its installation or
modification.
• PURGE
- To free gas conduit of air or gas, or mixture of gas
and air.
• PURGE TIME
- Period of time intended to allow for
dissipation of any unburned gas or residual products of
combustion.
• QUALIFIED AGENCY
- Any individual, firm, corporation, or
company engaged in and responsible for:
•
Installation, testing, or replacement of gas piping, or
connection, installation, testing, repair or servicing
of appliances and equipment.
•
Experienced in such work.
•
Familiar with all precautions required.
•
Complies with all requirements of authority having
jurisdiction.
• SAFETY RELIEF VALVE
- Valve designed to relieve
pressure in hot water supply system when pressure exceeds
pressure capability of equipment.
• SAFETY SHUTOFF DEVICE
- Device that will shut off gas
supply to controlled burner in event source of ignition fails.
• SEDIMENT TRAP
- Gas piping arrangement designed to
collect any liquid or solid contaminant before reaching gas
valve.
• SERVICE
-Supply, installation, or maintenance of goods
carried out by a Qualified Installer / Service Technician.
• TWO PIPE SYSTEM
- Type of venting that allows for
exhaust flue and intake air piping to be separated from each
other. Fresh air may be drawn in at a different area from
where flue terminal is located.
• VENT
- Passageway used to convey flue gases from
appliance vent connector to outdoors.
• VENTING SYSTEM
- Continuous open passageway from
of appliance vent connector to outdoors for purpose of
removing flue or vent gases.
14 - GLOSSARY
240012879 REV A, [01/31/2020]
Summary of Contents for Dunkirk DCBF-125
Page 63: ...61 A 1 MODELS 125 Heat Only APPENDIX A WIRING DIAGRAMS 240012879 REV A 01 31 2020...
Page 64: ...62 APPENDIX A WIRING DIAGRAMS A 2 MODELS 165 Heat Only 240012879 REV A 01 31 2020...
Page 65: ...63 A 2 MODELS 150 Combi APPENDIX A WIRING DIAGRAMS 240012879 REV A 01 31 2020...
Page 66: ...64 A 4 MODELS 205 Combi APPENDIX A WIRING DIAGRAMS 240012879 REV A 01 31 2020...
Page 67: ...65 NOTES 240012879 REV A 01 31 2020...
Page 68: ...66 NOTES 240012879 REV A 01 31 2020...
Page 99: ...29 MODEL 150F Combi 150F FLOOR STANDING COMBI WIRING DIAGRAM PN 240012875 REV A 01 31 2020...
Page 101: ...31 205F FLOOR STANDING COMBI WIRING DIAGRAM MODEL 205F Combi PN 240012875 REV A 01 31 2020...
Page 106: ...36 Low Water Cutoff Detail LOW WATER CUTOFF NO NO YES PN 240012875 REV A 01 31 2020...
Page 114: ...44 NOTES PN 240012875 REV A 01 31 2020...
