B
B
B
B
A
A
A
A
optional
min. 5 x DN
DN
M
1
➜
10
12
11
27
9. Double Solenoid Valve Gas-air-ratio control Type MBC-...-VEF
1. Insert setscrews A
2. Insert seals
3. Insert setscrews B
4. Tighten setscrews A + B.
Ensure correct seating of
the seal!
9.3 Mounting
5. Option externer Impuls:
Attach pulse lines pBr, pL, pF
6. After installation, perform
leakage and functional test.
7. Disassembly in reverse order
4
→
3
→
2
→
1.
9.4 Installation of pulse lines
1. p
e
: Gas inlet pressure 15 - 360 mbar
10. p
Br
: Burner pressure, gas 0,5 - 100 mbar
11. p
F
: Combustion chamber – 20 mbar … + 50 mbar pressure or
atmosphere
∆p
L
max. = pL - pF = 100 mbar
∆p
BR
max. = pL - pF = 100 mbar
12. p
L
: Blower pressure, air 0,4 - 100 mbar
