Table of Contents
Advertisement
Adjusting burner pressure
Since this unit has flame modulation, there are two fixed pressure settings: the minimum and maximum,
which must be as stated in the technical data chart according to the type of gas.
•
Connect a suitable pressure gauge to pressure point "B"
downstream from the gas valve.
•
Disconnect the pressure compensation tube "F".
•
Take off the protective cap “C”.
•
Set the potentiometer P3 (on the control card) to minimum
(clockwise).
•
Run the boiler in heating mode.
•
Adjust the minimum pressure with the screw “D”, clockwise
to decrease it and anticlockwise to increase it.
•
Set the potentiometer P3 to maximum (anticlockwise).
•
Turn on the “TEST” function by temporarily bridging X5.
•
Adjust the maximum pressure with the screw “E”, clockwise
to increase it and anticlockwise to decrease it.
•
Reconnect the pressure compensation tube “F”.
•
Put the protection screw “C” back in.
•
Disconnect the test jumper.
N.B. The test lasts 5 minutes. It is advisable to open 1 or 2 taps
to get rid of the excess capacity.
After checking or
adjusting the pres-
sure, it is mandatory to seal
the adjustment screw with
paint or a specific seal.
Version - 09.2002
Supplied By www.heating spares.co Tel. 0161 620 6677
DOMINA F 24 - 30 E
FERELLA F 24 - 30 MEL
MILOS AIR COMPACT E
Key
A
Pressure point upstream
B
Pressure point downstream
C
Protection screw
D
Minimum pressure adjustment
screw
E
Maximum pressure adjustment
screw
F
Pressure compensation tube
19
Hide quick links:
Advertisement
Table of Contents
