Benchmark 5000-6000 Operation & Maintenance Manual
SECTION 5
– TROUBLESHOOTING GUIDE
OMM-0118_B
•
GF-203
•
5/9/2019
Technical Support
•
(800) 526-0288
•
Mon-Fri, 8 am - 5 pm EST Page 76 of 148
Figure 5-1: Gas Train Component and Pilot Gas Valve Location
PROPANE
PILOT SOLENOID
VALVES
NATURAL GAS
TEE with 1/4" PLUG
(Install manometer
here for Pilot
Regulator test)
MANUAL SHUT-
OFF VALVE
TO AIR/FUEL
VALVE
PROPANE
TEE with 1/4" PLUG
(Install manometer
here for Pilot
Regulator test)
NATURAL GAS
PILOT SOLENOID VALVES
PROPANE
PILOT REGULATOR
NATURAL GAS
PILOT GAS VALVE
PROPANE
PILOT GAS VALVE
DOWNSTREAM
SSOV
NATURAL GAS
PILOT REGULATOR
PROPANE
LOW GAS PRESSURE
SWITCH
- BMK 6000
–
8
.5” W.C., 2.1 kPa
- BMK 5000
–
4.5
” W.C., 1.1
kPa
PROPANE
HIGH GAS
PRESSURE SWITCH
- BMK 6000
–
10.5” W.C., 2.6 kPa
- BMK 5000
–
4.5
” W.C., 1.1
kPa
NATURAL GAS
HIGH GAS
PRESSURE SWITCH
- BMK 6000
–
10.5” W.C., 2.6 kPa
- BMK 5000
–
11.0” W.C., 2.7
kPa
NATURAL GAS
LOW GAS PRESSURE SWITCH
- BMK 6000
–
8.5” W.C., 2.1 kPa
- BMK 5000
–
8.0” W.C., 2.0 kPa