31
ProtecTor
2.55
A new dimension in door screening
Installation and operating manual
8.3.2 EC single-phase motor
Take into account special conditions for use in IT systems.
Please refer to the operating manual for the respective EC fan!
All EC fans have integral overload protection; no upstream motor protection
device is therefore needed.
Once mains voltage has been applied, allow an initialisation period of
approx. 10 seconds until the EC fan's electronics are ready for operation.
A reliable status message is then possible. If no fault is detected, the relay
fitted in the fan is energised after the initialisation period.
To ensure that the switch-on current limit is active, wait a minimum of
90 seconds before switching on again after the mains voltage has been
switched off!
Cable protection
Make sure that the fuse for the mains power connection takes into consid-
eration the cable used, type of cabling, operating conditions and applicable
standards. Maximum on-site fuse 16 A.
Power supply and control
All sizes require a power supply 3 x 400 V/50 Hz and can be controlled
via a 0-10 V DC control input. Alternatively, the units can be operated via
an integral modbus RTU interface. The shield of the Bus line can be wired
through to terminal SH, if required.
Switch the unit on and off via the control input.
Do not switch the unit on and off via the mains power supply.
The 0-10 V control signal is interpreted with respect to the (total) air volume
flow as per the table (refer to adjacent table). Please refer to the relevant
type in the technical catalogue for the (total) air volume flow for the 2 V
control signal.
The fan speed controller, type 30510, is available to control the motors, and
the EC recirculating air control electronics, type 3231160, are available to
operate the motors via the KaControl system. Max. 2 ProtecTor units can be
connected to both control versions.
Control signal
(Total) air volume flow
0 V
Off
2.0 – 10 V
V
tot (2 V)
– 100 %
