43
MULFUNCTIONS AND ADJUSTMENTS
(post.circ. off)
heating
post.circ.
on
2,5 min.
Heating timer off
heating timer on
2,5 min.
JP5
JP4
JP3
G30/G31 G20
LPG Natural Gas
Resistor jumper cut, floor heating temp. set to 30/40
°
C.
Resistor jumper uncut, temperature 35/80
°
C
Legend:
Off
On
JP6
Present: bi-thermal function
Absent (cut): mono-thermal function
cards only:
4.56035.0
4.56040.0
RLA
R max.
Increase
Increase
Slow ignition adjustment
Max. heating power adjustment
JP1
B
A
Constant light: Ignition shutdown
Fast flashing light: TST shutdown
Slowly flashing light:
Air pressure switch (MCS)
Flue Control (MC)
Constant light: No water
Fast flashing light: Sensor fault
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”
