Raypak 750 User Manual download pdf (Page 23)

GAS PRESSURE REGULATOR

The gas pressure regulator is nominally preset to the outlet values shown in the table below, within +. 1" W.C. If an

adjustment is needed, turn the adjustment screw clockwise to increase pressure or counterclockwise to lower pressure.

REGULATOR PRESSURE SETTINGS:

See Tables O-2 and O-3

for Pressure Settings.

(page 60)

VENTING OF DIAPHRAGM GAS COMPONENTS

Boilers have gas train components that have diaphragms in their construction that are supplied with a bleed line connec-

tion that must be connected to the outside atmosphere as required by NFGC or (for Canada) the B149 Installation Codes

and applicable provisions of local codes. Under NO circumstances shall bleed lines terminate in the gas utilization equip-

ment flue or exhaust system.

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Raypak 750 User Manual Page 23