Modulex EXT Commercial Series
CHAPTER 8: Maintenance Schedule
OMM-0160_A
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8.14 Final Procedures After Maintenance
Before returning the boiler to service, the following procedures must be performed:
1. Before lighting the boiler ensure the condensate line has been filled with water (Figure 8-1).
2. Ensure the seal between the gas supply pipe and the gas collection tube flange are tight. To
do this, open the external gas valve and bubble check for leaks using a soap solution.
3. When a single burner is ignited, check immediately to ensure that the gas valve and the
relevant premixing chamber are operating correctly.
4. Perform the combustion gas analysis and check all parameters (see section 4.33).
5. Make sure that all the pressure test nipples, previously opened, have been closed.
8.15 Maintenance Kit Part Number
To order the MODULEX annual and 24-Month Fireside Inspection maintenance kits, contact
AERCO International and use P/N 58086-
TAB, replacing the “TAB” with the appropriate suffix
as determined in Table 8-3 and 8-4.
Annual Maintenance Kits contain a flame detector and igniter, while the 24-Month Fireside
Inspection Kits contain flame detector, igniter, and burner gaskets.
TABLE 8-3: MLX 12-Month Maintenance Kit
P/N
DESCRIPTION
58086
-03
EXT-1500 2S
ANNUAL MAINTENANCE KIT
58086
-05
EXT-2300 2S
ANNUAL MAINTENANCE KIT
58086
-06
EXT-2600 2S
ANNUAL MAINTENANCE KIT
58086
-11
EXT-3000 2S
ANNUAL MAINTENANCE KIT
TABLE 8-4: MLX 24-Month Maintenance Kit (Fireside Inspection)
P/N
DESCRIPTION
58086
-18
EXT-1500
2S
24 MONTH FIRESIDE INSPECTION KIT
58086
-20
EXT-2300 2S
24 MONTH FIRESIDE INSPECTION KIT
58086
-21
EXT-2600
2S
24 MONTH FIRESIDE INSPECTION KIT
58086
-22
EXT-3000 2S
24 MONTH FIRESIDE INSPECTION KIT
Summary of Contents for AERCO MLX EXT 1500 2S
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