Aerco Modulex MLX Series Technical Instructions

PR1: 04/01/11 Page| 4
Modulex Fireside (24-month) Maintenance
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288
Technical Instruction Document
TID-0027_0A
1.1 - Disassembly for Fireside Maintenance
Disassemble the unit per Instruction 1.1, below, and locate the electrical components to be replaced.
Unit Disassembly for Annual
Maintenance
1. Disconnect electrical power to the unit
by turning off the external circuit
breaker.
2. Turn off the external gas supply shutoff
valve.
3. Remove the top cover from the boiler. A
screwdriver may be needed to pry the
cover from the two pins on either end.
4. Carefully detach the ground wire clips
from the underside of the cover (see
note above).
5. Remove the front panel from the boiler
to provide access to the spark igniter
and flame detector for each heat
module of the boiler (see Figure 1).
6. Refer to Figure 2 and Figure 3 and
locate the installed locations of the
igniters and flame detectors. These
Figures show a Modulex MLX-757
containing five (5) igniters and five (5)
flame detectors.
NOTE
The cover is secured with spring clips
and pins to front, back and side panels
of the unit. In addition, two (2) groups of
ground wires from the frame of the
boiler are attached with clips to the
underside of the top cover. Use care
when disconnecting these ground wire
clips. Note that all lugs have capture
spring clips that are released by
pressing a small nub under lug itself.
INSTRUCTION 1.1
Figure 1: Cover Removed (Rear)
Figure 2: Electrical Connections
Figure 3: Electrical Components
See Figure 3
See Figure 2
Flame
Detector
Lead
Igniter
Cable
Ground Lead
View
Port
Mounting
Screws (2)
NOTE
The number of burner sections, and thus the
electrical components, varies by model.
END

Aerco Modulex MLX Series Specifications

General

Brand	Aerco
Model	Modulex MLX Series
Category	Boiler
Language	English