The connector supplies the power to the vent valve or fan connected to the 3‑pins. The
connect
or mang plug is shown in Figure: Controller connector showing pin numbers,
with the polarity of the pins marked, when the vent valve or fan is set to on.
The 24 V d.c. output on the controller connector is protected from the overload or short
circuit to 0 V d.c. / 24 V d.c. Rtn / chassis. The output supplies the current given in Table:
Controller technical data. For higher currents, the output voltage will decrease and can
set to o to limit the current.
Table 12
Controller technical data
Descripon Data
Connector plug Phoenix part number FK‑MC1881338
Voltage output 24 V d.c. -25%, +10% (18 V d.c. to 26.4 V d.c.)
Current output 500 mA
Figure 10 Controller connector showing pin numbers
Pin number Signal Polarity
1 24 V d.c. Out +
2 Chassis
3 24 V d.c. Rtn -
3.11 Indicator LED's
The pump has three indic
ator LED's, shown in Figure: Controller status informaon.
Table 13
Indicator LED’s
LED Descripon
Normal LED
The green LED stays when the rotaonal speed of the pump is more
than the normal speed seng, irrespecve of the acceleraon or de-
celeraon of the pump.
04/2022 - ©Edwards Limited
Page 35B80000880_G
B80000880_G - Technical data
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