Benchmark 2.0 LN Installation, Operation & Maintenance Manual
CHAPTER 7 – MAINTENANCE
Page
82
of
168
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0046_0J
06/18/2015
Phone: 800-526-0288
GF-123
7.2 IGNITION MAINTENANCE
The igniter (either igniter-injector P/N 58023 or AERLite Igniter P/N 58130) is located on the
burner plate at the top of the boiler. In addition to providing the ignition spark required to light
the burner, the igniter also contains a gas injector tube, which connects to the staged ignition
assembly. Figure 7-1 shows the complete burner assembly removed from the boiler and
indicates the location of the igniter, flame detector and other related components.
The igniter may be hot, therefore, care should be exercised to avoid burns. It is easier to
remove the igniter from the unit after the unit has cooled to room temperature.
AIR/FUEL
VALVE
STAGED
IGNITION
ASSEMBLY
FLAME
DETECTOR
IGNITOR-
INJECTOR
BLOWER
BURNER
PLATE
BURNER
Figure 7-1: Benchmark 2.0LN Burner Assembly (Shown Removed from Boiler)
To inspect/replace the igniter:
1. Set the ON/OFF switch on the control panel, to the
OFF
position. Disconnect AC power
from the unit
2. Remove the side and top panels from the unit.
3. Disconnect the cable from the igniter (Figure 7-1).
4. Refer to the partial exploded view in Figure 7-2. Using a 7/16” open-end wrench,
disconnect the compression nut securing the gas injector tube of the igniter to the elbow
of the staged ignition assembly. Disconnect the staged ignition assembly from the igniter.
AERLite Ignition Solenoid
(Burkert Valve)
Staged Ignition Solenoid
(ASCO Valve shown)
