Advertisement
Quick Links
P-311B Fan Replacement Instructions -
SL 399 G3, EX400/500
Warning
This replacement kit shall be installed by a qualified service agent in accordance with these
instructions and all applicable codes and requirements of the authority having jurisdiction. If the
information in these instructions is not followed exactly a fire, an explosion or production of
carbon monoxide may result causing property damage, personal injury or loss of life.
The qualified service agency is responsible for the proper installation of this kit. The installation
is not proper and complete until the operation is checked as specified in these instructions.
Note
EX400/500 Firmware Update Version 2.00.3 effective September 2022.
IBC Technologies is in the process of changing the EX400/500 fan from the current SIT NG150 to
the EMB fan (VG145). This change in fan model requires that the firmware be updated with
version 2.00.3 or later to detect and utilize the proper fan curves. IBC Technologies will be
temporarily supplying a USB stick loaded with firmware version 2.00.3 for fan kits to be installed in
EX 400/500 models.
Follow the procedure outlined in
4
after the fan installation has been completed.
IBC Technologies Inc.
-
120-299E3
August 23, 2023
Installation of Software v 2.00.3 EX 400 EX 500 Models on page
- Released Document
|
1-844-432-8422
www.ibcboiler.com
1 of 5
Advertisement
Summary of Contents for IBC P-311B
- Page 1 Note EX400/500 Firmware Update Version 2.00.3 effective September 2022. IBC Technologies is in the process of changing the EX400/500 fan from the current SIT NG150 to the EMB fan (VG145). This change in fan model requires that the firmware be updated with version 2.00.3 or later to detect and utilize the proper fan curves. IBC Technologies will be...
-
Page 2: Fan Removal
2. Remove power to the boiler at a wall switch or a breaker. 3. Shut off gas supply to the boiler. Do not drain the boiler unless freezing conditions are expected during this procedure. 4. Allow the boiler to cool down. IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com - Released Document... - Page 3 8. Use a 3 mm Allen key to remove the three screws connecting the mixing device (C) to the fan; keep these for reinstallation. Remove and discard the fan O-ring that is seated in the groove. IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com - Released Document...
- Page 4 Note Do not remove the USB before the software update has finished as this will cause the update to fail. IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com - Released Document...
- Page 5 3. Check connections for leaks during operation. 4. Reinstall the top service panel to the boiler cabinet. 5. Perform a combustion analysis, and test for proper operation. 6. Reinstall the front cover. IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com - Released Document...