Watts AERCO Benchmark BMK5000 Operation And Service Manual page 63

Benchmark Platinum-Edge [ii]: Operation-Service Manual
SECTION 5 – SAFETY DEVICE TESTING
LOW Gas Pressure Test Instructions: BMK3000 – 6000 Only
MANUAL SHUT-
OFF VALVE
LOW Gas
Pressure Port
Install manometer here for
Low Gas Pressure test
Figure 5-2a: – BMK3000 LOW and HIGH Gas Pressure Test Components
MANUAL SHUT-
OFF VALVE
(P/N 22373-3 shown)
Figure 5-2b: BMK4000/5000N LOW and HIGH Gas Pressure Test Components
OMM-0137_J •
12/20/2022
TO
AIR/FUEL
VALVE
HIGH GAS
PRESSURE
SWITCH
HIGH GAS
PRESSURE
SWITCH
SSOV
TO
AIR/FUEL
VALVE
LOW Gas Pressure Port
Install manometer here for
Low Gas Pressure test
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
NATURAL
SSOV
GAS INLET
LOW GAS
BALL VALVE
Alternative LOW Gas
Pressure Port
(P/N 22310 shown)
NATURAL GAS INLET
LOW GAS
PRESSURE
SWITCH
LOW GAS
PRESSURE
SWITCH
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