Watts AERCO Benchmark OMM-0136 Operation And Service Manual page 37

Benchmark Platinum-Edge [II]: Operation-Service Manual
SECTION 4 – INITIAL START-UP
TO AIR/FUEL
VALVE
MANUAL
SHUT-OFF
VALVE
Figure 4-1e: Port Location for Combustion Calibration – BMK4000
MANUAL
SHUT-OFF
VALVE
Alternative location for
manometer if hose
barb is preferred
GAS PORT
(Install manometer here for
downstream combustion
calibration reading)
Figure 4-1f: Port Location for Combustion Calibration – BMK5000-6000
OMM-0137_E • GF-211 •
DOWNSTREAM
SSOV WITH POC
PRESSURE SWITCH
SWITCH
TO AIR/FUEL
VALVE
DOWNSTREAM
SSOV WITH POC
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
12/13/2019
HIGH GAS
SWITCH
HIGH GAS PRESSURE SWITCH
LOW GAS
PRESSURE SWITCH
UPSTREAM LEAK
DETECTION BALL VALVE
UPSTREAM LEAK
DETECTION BALL VALVE
GAS PORT
(Install manometer here for
upstream combustion calibration
reading)
LOW GAS
PRESSURE SWITCH
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