Modulex EXT Commercial Series Boilers User Manual
CHAPTER 8: Maintenance Schedule
OMM-0095_0H
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
125
of
144
GF-139
Phone: 800-526-0288
09/15/2017
8.10 UNIT DISASSEMBLY
To disassemble the unit for maintenance, do the following:
Disassembling the EXT Boiler for Maintenance
1. Switch OFF external electrical power and CLOSE the gas supply valve upstream from the
boiler, and ensure it is completely closed.
2. Unlatch the top lid and raise the lid (Figure 8-4).
3. Remove screws from top of unit holding the front, rear and side panels in place (Figure 8-
5). Remove the panels by tilting away from unit, then lifting up and out (Figure 8-6). Note,
the front and rear panels must be removed before the side panels can be removed.
Figure 8- 4: Unlatch Top Lid (Step 2)
Figure 8-5: Remove Screws at Edges and Remove Side and Rear Panels (Step 3)
Figure 8-6: Remove Panels (Step 3) Figure 8-7: Remove Flue Assembly (Step 4)
NOTE
Commercial units have a special
latch kit to hold up the top plate,
Unical part number 00362418.