Watts AERCO Benchmark BMK5000 - Page 33

Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 3 - START SEQUENCE
OMM-0145_D • GF-218 • 11/2/2020 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 33 of 213
Start Sequence
Figure 3-1c: BMK2500/3000: SSOV Location (P/N 22190 shown)
Figure 3-1d: BMK4000: SSOV Location (P/N 22373-3 shown)
NATURAL
GAS INLET
SSOV
TO
AIR/FUEL
VALVE
LOW GAS
PRESSURE
SWITCH
MANUAL
SHUT-OFF
VALVE
HIGH GAS
PRESSURE
SWITCH
TO
AIR/FUEL
VALVE
SSOV
MANUAL
SHUT-OFF
VALVE
LOW GAS
PRESSURE
SWITCH
NATURAL
GAS INLET
HIGH GAS
PRESSURE
SWITCH