Maico MDR 22 EC, Mounting And Operating Instructions, Page: 78 / 177

VENTILATOREN
FR
MDR .. EC
FIG UK
DE
MDR-PG 22 EC
● Pressure controller, 2 pressure setpoints S1
and S2 (only switchable with 230 VAC), timer
function possible
●
ModBus interface – pressure controller
●
Terminal box with service switch
●
External ON/OFF
●
Service switch status
● Potential-free contact connections for query -
ing fault messages (motor/pressure control)
● Outside air pressure transducer tube with
insect protection funnel
4.4 Equipment for MDR-VG 25 EC,
MDR-VG 31 EC (230 V)
● Pressure controller, 2 speed setpoints V1 and
V2 (only switchable with 230 VAC)
● Terminal box with service switch
● External ON/OFF
● Service switch status
● Potential-free contact connections for query -
ing fault messages