2. Kromschroder
  3. LM 400

Kromschroder LM 400 Operating instructions

  • Hello! I've reviewed the instructions for replacing the LM 400 power module on BCU 460, 465, and 480 burner control units. The document details the correct replacement procedures, safety precautions regarding power supply configurations, and information about ensuring correct identification numbers for replacement parts. I'm ready to answer your questions about this document and the mentioned devices.
  • What is the correct replacement procedure regarding power module LM 400?
    What should I do if I have technical question?
    What are the allowed power supply combinations for gas valves?
© 2019 Elster GmbH · Edition 02.19
➔
www.docuthek.com
D GB
D
GB
F
NL
I
E
GB-1
03251596
Translation from the German
Replacing power module LM400
on burner control units BCU460,
465 or480
CAUTION
BCU 4xx/LM..E0 and BCU 4xx/LM..E1 have a dif-
ferent power supply for the gas valves. The follow-
ing combinations are allowed:
– BCU 4xx..E1 + LM..E1 = power supply via L1,
– BCU 4xx..E0 + LM..E1 = power supply for gas
valves via terminal35, power supply for air out-
puts viaL1,
– BCU 4xx..E0 + LM..E0 = power supply via ter-
minal35.
▷LM 400 as a spare part: the identification num-
bers of the old and new unit must be identical.
Identification number– see type label.
E
1 Disconnect the BCU from the electrical power
supply.
2 Open the cover of the BCU.
3 Disconnect the connection plug from the power
module.
4 Replace the module.
Contact
If you have any technical questions, please contact
your local branch office/agent. The addresses are
available on the Internet or from ElsterGmbH.
We reserve the right to make technical modifications
in the interests of progress.
Elster GmbH
Strotheweg 1, D-49504 Lotte (Büren)
Tel. +49 541 1214-0
Fax +49 541 1214-370
[email protected], www.kromschroeder.com
Further information
More detailed information can be found in the electronic operating instructions BCU 46x, 480 using the
following link:
https://docuthek.kromschroeder.com/documents/index.php?menuid=31&topmenu=31&lang=en&selclass=&sellang=&folder=401294
/