INSTALLER
USER
TECHNICIAN
28
3.11 Casing disassembly.
To facilitate boiler maintenance the casing can be
disassembled as follows:
- remove the lower plastic grate of protection;
- unscrew the screws (1) situated on the lower side
of front casing;
- pull slightly the lower part of front casing and con-
temporary push up;
- unscrew the screws (2) situated on the upper side
of casing supporting bracket (see the figure);
- unscrew the screws (3) situated on the side lower
and push up to free the left and right sides of casing.
GAS VK 4105 valve for Eolo Maior @
Eolo Maior @ electronic card
Key:
1 - Coil
2 - Coil pin
3 - Maximum power adjustment screw
4 - Minimum power adjustment screw
5 - Protection hood
6 - Gas valve outlet pressure socket
7 - Gas valve inlet pressure socket
8 - Air pressure socket hose connector
10 - Slow ignition adjustment trimmer
11 - Minimum heating power adjustment trimmer
12 - Maximum heating power adjustment trimmer
13 - Jumper for operation with natural gas or LPG
14 - Jumper for timer heating re-start
15 - 3,15A fuse
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