FLYGT FPC100, Installation And User Manual

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1. Use a standard current transformer which has a primary current rating just in excess
of the rated motor current and which has a rated secondary current of 5 A.
2. Pass the lead, connecting to the secondary side of the standard current transformer,
twice through the 10 A current transformer (CT10).
Example:
Rated current of motor = 210 A
A standard current transformer with a current rating 250:5 A is chosen. The secondary side
of the standard transformer should be run twice through the 10 A current transformer core.
Note: The choice and adaptation of current transformer(s) should at pumping with full load
power result in a secondary current as close to 55 mA as possible, but should not exceed
it. This in order to put the available capacity of the current input range in FPC100 to full
use, hence resulting in a better functionality. The secondary current can be checked in
window 61 or with an external multimeter.
Current transformer connection
Choose appropriate current transformer (CT) according to
Choice and adaptation of
current transformer
(page 6).
Connect the CT secondary winding to terminals 1 and 2.
Note: The CT must be linked to the phase connected to terminal 9 (L1).
Supply voltage connection
Connect FPC100 directly to the pump motor supply cable via terminals 9 (L1), 11 (L2), and
13 (L3). Make this connection before the contactor to the pump motor in order to supply
FPC100 also when the contactor is open. See circuit diagram.
When motor fuses larger than 10 A are used, FPC100 must be fused separately.
Alarm relay connection
Terminals 6 and 7 are the alarm relay connections. Terminal 6 is the alarm relay output.
Terminal 7 is the common input for the alarm- and pump relays.
When FPC100 is powered off, the alarm relay is “nc” (normally closed). When powered on,
“nc” or “no” (normally open) can be selected in window 51. Default setting is “no”.
Pump relay connection
Terminals 7 and 8 are the pump relay connections. Terminal 8 is the pump relay output.
Terminal 7 is the common input for the pump- and alarm relays.
When FPC100 is powered off, the pump relay is “nc”. When powered on, “nc” or “no” can
be selected in window 52. Default setting is “nc”.
INSTALLATION
Single pump controller Installation and user manual for FPC100 7