Air Pressure Switch - Ferroli Optima 901 Installation Instructions Manual

Over ride
By pressing the over ride button (E) the timer programme is over ridden ie, if programme is in OFF
time it will come ON and if in ON time will go OFF.
The timer will revert back to it set programme on reaching the next ON or OFF time.
When the programme is on over ride the sign
Reset Button
By the use of a pencil the reset button can be pushed (R). This will clear all programmes apart from
those factory pre set.
Reset is only possible with switch (A) in set Clock position!

AIR PRESSURE SWITCH

White silicone tube
Red silicone tube
BROWN
BLACK
BLUE
BROWN
BLUE
26
KROMSCHRODER
DL 1E
2
3 1
BLUE
HUBA 605
3 2
1
BLACK
HUBA 602
3
2
1
BLACK
901
x
will be shown in the display window (B).
2 fixing screw
Plate
P1
P2
Fig. 45
3
3
3
BROWN
2 fixing screw
KROMSCHRODER
2
1
HUBA 605
1
2
HUBA 602
2
1
Fig. 46