Printed in Germany / M-MT-BOS
• Edition11.99 • # 231 763
11 … 112
Operating modes
■ Operating modes of MPA22
■ Setting the operating mode
Gas modulating mode (electronic) with stepped motor to control the air and
gas volume.
Gas modulating mode (pneumatic) with servomotor air damper control
Oil firing, three stage with oil preheater and servomotor air damper control
The operating mode is set at the servomotor gas connection by means of the
coding plug and is checked and identified when the automatic burner control
is put into operation.