MULFUNCTIONS AND ADJUSTMENTS
Should the boiler shut down it must be reset by rotating functions selector switch to position A.
B: see TEST functions at "Gas pressure adjustments with Honeywell VK 4105 valve"
Legend:
On
G30/G31
JP1
LPG
(post.circ. off)
JP3
heating
JP4
Heating timer off
Resistor jumper cut, floor heating temp. set to 30/40°C.
JP5
Resistor jumper uncut, temperature 35/80°C
cards only:
JP6
4.56035.0
4.56040.0
RLA
Slow ignition adjustment
Increase
R max.
Max. heating power adjustment
Increase
All manuals and user guides at all-guides.com
Constant light: Ignition shutdown
Fast flashing light: TST shutdown
Off
G20
Natural Gas
post.circ.
on 2,5 min.
heating timer on 2,5 min.
Present: bi-thermal function
Absent (cut): mono-thermal function
A
B
Constant light: No water
Fast flashing light: Sensor fault
Slowly flashing light:
Air pressure switch (MCS)
Flue Control (MC)
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