Benchmark 6000 Boiler Installation, Operation & Maintenance Manual
CHAPTER 4 – INITIAL START-UP
OMM-0086_0D
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
61
of
210
GF-133
Ph.: 800-526-0288
03/20/14
Install the 16” W.C. manometer(s) as described in the following steps:
Installing Gas Supply Manometer
1. Turn off the main gas supply upstream of the unit.
2. Remove the top panel and front panel from the boiler to access the gas train components.
3. To monitor the gas pressure on the downstream side of the SSOV during Combustion
Calibration (section 4.4), remove the 1/4” NPT plug from the ball valve on the downstream
side of the SSOV as shown in Figure 4-1.
4. Install a NPT-to-barbed fitting into the tapped plug port.
5. Attach one end of the plastic tubing to the barbed fitting and the other end to the 16” W.C.
manometer.
4.2.3 Accessing the Analyzer Probe Port
For easy access, the unit contains a total of two (2) 1/4” NPT ports. One port is located on the
left side of the exhaust manifold and the other is on the right side (see Figure 4-2).
Prepare the selected port for the combustion analyzer probe as follows:
Accessing the Analyzer Probe Port
1. Refer to Figure 4-2 and remove the 1/4” NPT plug from the desired location on the exhaust
manifold.
2. If necessary, adjust the stop on the combustion analyzer probe. DO NOT install the probe
at this time.
Figure 4-2: Analyzer Probe Hole Location
ANALYZER PROBE PORTS
(2) WITH 1/4” PLUG
PARTIAL REAR VIEW
CONDENSATE DRAIN
EXHAUST MANIFOLD
