SECTION 20: S
TART
-
UP
P
ROCEDURES
71
FIGURE 35: M611 Valve
FIGURE 36: Re
g
ulator (2005)
Low Fire Adjustment
(under cap)
Gas Inlet
Gas Outlet
NOTE:
Modulating only.
IN
PSI
2
OFF
ON
Outlet Pressure
Tap-1/8 NPT
Inlet Pressure
Tap-1/8 NPT
Regulator
Adjustment Below
(High Fire Adjustment Cap)
Gas Flow
Gas Flow