19
E
.
3
0
.0
7
.0
7
•
G
.
0
7
.0
6
.1
1
23. Control unit MPA 22
The MPA 22 is a microprocessor-controlled intermittent-
duty control box for controlling and monitoring pneumatic
modulating forced-air burners with an actuator drive. For
operation as an automatic gas burner control with integral
valve proving system.
The MPA 22 has e-BUS connectivity.
Gas certification
EU type test approval according to EU Gas Appliance
Directive.
MPA 22 CE-0085AU316
24. MPA 22 control unit display
+
–
1
2
P
S
i
G
L/A
h
l,m
3
Acknowledg-
ment or reset
key
Key 1
Actuation of gas-
flow control flap
in conjunction
with +/- key
Key 2
Actuation of air-
flow control flap
in conjunction
with +/- key
Key + / Key -
In conjunction
with key 1 or 2
On when
setup mode
is selected
Start-up
Lights up during
the run-up phase,
OFF during
operation
Lights up when the
gas-flow control
flap is active
On when
information
mode is active
Lights up when the
air-flow control
flap is active
h = Operating hours indicator
l, m3 = Oil or gas consumption
Operation, flame burning
Fault
Lights up when
service mode
is active
Liquid-crystal
display
Symbols for
open/close flaps
