AERCO BMK 6000 Dual Fuel - Manual (Page 101)

Benchmark 6000 DF Installation, Operation & Maintenance Manual
CHAPTER 7 – MAINTENANCE
OMM-0096_0B AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 101 of 219
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03/21/2014
Figure 7-2. O
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Sensor Mounting Location
7.5 COMBUSTION CALIBRATION & PILOT REGULATOR ADJUSTMENT
Combustion settings must be checked at the intervals shown in Table 7-1 as part of the
maintenance requirements. Refer to Chapter 4 for combustion calibration instructions. Pilot
Regulator tests and adjustments are performed using the procedures in sections 7.5.1 and 7.5.2
which follow.
7.5.1 Pilot Regulator Pressure Testing
Benchmark 6000 Dual Fuel units have two Pilot Regulator systems, one in the Natural Gas gas
train and one in the Propane gas train (see Figure 7-3). Both Pilot Regulators should be pressure
tested annually as described below. If the pressure is above 5.0” W.C. or below 4.0” W.C. in
either regulator, then that regulator must be recalibrated using the instructions in section 7.5.2.
The following pressure test is performed on both the Natural Gas and Propane Pilot Regulators:
O
2
SENSOR
GAS SUCTION
LINE FROM
EXHAUST
MANIFOLD
EXHAUST
MANIFOLD