Ampcontrol Pty Ltd
– ABN 28 000 915 542
PF1 USER MANUAL
MAG-165 Version 6
– March/2020
Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version
Page 21 of 71
A
P
P
R
OV
E
D
FOR
E
X
T
E
R
N
A
L
D
IS
TR
IB
U
T
ION
–
P
R
OP
E
R
T
Y
OF
A
M
P
C
ON
TR
OL
P
T
Y
LTD
–
N
O
T
T
O
B
E
R
E
P
R
OD
U
C
E
D
I
N
P
A
R
T
K1 Output Relay (Terminals 18 & 19)
This is the primary control and tripping output relay.
T
he K1 relay has a normally open contact that is to be wired into the tripping circuit of the outlet’s main
contactor. When the PF1 initiates a power interruption cycle as part of its control function, or when a
trip occurs, the K1 relay will de-energise (open), opening the main contactor.
Unlike the other output relays, the functionality of the K1 output relay cannot be directly configured
.
Rather, its operation is dependent upon the protection and control configuration of the PF1 as a whole.
CAUTION!
Overloading any of the output relay contacts can damage the PF1,
potentially resulting in unsafe operation
. The installer is to ensure
that the limitations detailed in the Specifications Table (Section13) are
respected.
Earth Continuity (Terminals 20 & 21)
The EC Pilot terminal (20) is to be wired to the pilot core of the outlet’s cable. The PF1 monitors the
presence of a termination diode that is installed in the motor enclosure to ensure that there is a
continuous earth connection between the supply enclosure and the motor enclosure via the outlet
cable. The magnitude of the pilot/earth return loop impedance is also monitored via this terminal.
The EC Earth terminal (21) is to be wired to the common earth point, together with the earth core of the
outlet’s cable, using at minimum a 1.5mm
2
conductor.
NOTE
Although the EC Pilot terminal (20) is only required to be wired in if the
PF1 r
elay’s earth continuity protection is to be enabled
the EC Earth terminal (21) must always be connected
. Failure to
connect the EC Earth terminal to earth will result in non-compliance.
Terminals 22, 23 & 24
Future use, do not connect anything to these terminals.
Earth Leakage Toroid Test (Terminals 25 & 26)
The EL Test terminals (25 & 26) are used to output a test signal that is monitored by the PF1 via the
outlet’s earth leakage toroid. This signal is used to prove that the wiring between the PF1 and the earth
leakage toroid is undamaged, and that the toroid itself is still functioning.
One continuous conductor should be wired from the EL Test 1 terminal (25), through the centre of the
earth leakage toroid and back to the EL Test 2 terminal (26).
NOTE
The EL Test 1 terminal (25) and the EL Test 2 terminal (26) are only
required to be wired in if the PF1 r
elay’s earth leakage protection
function is to be enabled.
The CT detection wiring must have a loop resistance below 2
Ω
.
Terminal 27
Not used, do not connect anything to this terminal.
