Pentair Goyen Mecair FFA, Installation And Operation Manual, Page: 24 / 44

18 INSTALLATION AND OPERATION MANUAL – OWNER'S RECORD FFA MANUAL – FILTER FAILURE ALARM
6.4 CONNECTING THE SENSOR
6.4.1 Safety Information
WARNING!
Ensure the cabling is not connected to the control unit power during wiring.
WARNING! – ELECTRIC SHOCK
Ensure that only the cables types specified are used for powering and interconnection of equipment.
6.4.2 Sensor Connections
Refer to Figure 5 below for the location of the terminals. After mounting the sensor to the stack or duct, make the
power and communications connections as described in this section.
Figure 5: Sensor PCB connections
6.4.3 Sensor Cable Connection
WARNING!
Ensure the cabling is not connected to the control unit power during wiring.
Referring to Figure 5, connect the control unit (which supplies 24 V DC power to the sensor) by routing the four-core
data cable from the control unit through the cable gland nearest the
SENSOR IN terminal.
NOTE:
Ensure the cable has sufficient slack so that the sensor can be removed easily and placed on the platform
without disconnecting.
SENSOR IN CABLE CONNECTOR
Pin connection 0 V B A +24 V SCR
Wire colour D Black Blue Green Brown Cable screen
Wire colour – other cables
Before refitting the enclosure cover lid, configure the sensor in accordance with the instructions given in Setting up the
Sensor below.
D All colour references are based on standard cables supplied.