AERCO BMK 6000 - Manual (Page 95)

Benchmark 6000 Boiler Installation, Operation & Maintenance Manual
CHAPTER 7 – MAINTENANCE
OMM-0086_0D AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 95 of 210
GF-133
Ph.: 800-526-0288
03/20/14
Figure 7-2: O
2
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
The BMK6000 unit has a Pilot Regulator system in the gas train that should be pressure tested
annually as described in the following procedure. However, if the pressure is above 5.0” W.C. or
below 4.0” W.C., then the Pilot pressure regulator must be recalibrated using the instructions
provided in section 7.5.2.
The Pilot Regulator pressure test is performed as follows:
O
2
SENSOR
GAS SUCTION
LINE FROM
EXHAUST
MANIFOLD
EXHAUST
MANIFOLD