ECR 075 97gb, Installation, Operation & Maintenance Manual

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7.1 General
• Use piping materials and joining methods acceptable
to authority having jurisdiction. In absence of such
requirements:
• USA - National Fuel gas Code, ANSI Z223.1/NFPA 54
• Canada - Natural Gas and Propane Installation Code,
CAN/CSA B149.1
• Size and install gas piping system to provide sufficient
gas supply to meet maximum input at not less than
minimum supply pressure. See Table 8.
• Support piping with hooks straps, bands, brackets,
hangers, or building structure components to prevent or
dampen excessive vibrations and prevent strain on gas
connection. Boiler will not support piping weight.
• Use thread (joint) compound (pipe dope) suitable for
liquefied petroleum gas.
• Provide sediment trap up stream of gas valve.
7.2 Conversion Kit Instructions
• See Gas Conversion Kit Instructions included with Boiler.
CAUTION
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switches; do not use
any phones in your building.
• Immediately call your gas supplier from a
neighbor’s phone. Follow gas supplier’s
instructions.
• If you cannot reach your gas supplier, call the fire
department.
!
7 - GAS SUPPLY PIPING
TABLE 8: GAS SUPPLY PRESSURE
SIZE
Maximum
Input (Btuh)
Natural Gas Propane
Min. Max. Min. Max.
075/100 75,000
3.0" w.c.
(0.7 kPa)
13.5" w.c.
(3.3 kPa)
5.0" w.c.
(1.2 kPa)
13.5" w.c.
(3.4 kPa)
Bottom cover
for Optional Gas
Connection
7-1 Gas Connection Knockout Plate at Bottom of
Boiler
7-3 Bottom Gas Connection
Optional Bottom Gas
Connection
7-2 Gas connection at Top of Boiler
Gas Connection Top
of Boiler
Note: See Glossary - Piping Table 16
NOTICE
Use two (2) wrenches when tightening and fitting
to pipe boiler's threaded fittings. Boiler's internal
piping can be damaged if subjected to excessive
torque.