AFA4000/E VAV Airflow Controller / p.55
5.3 Connections
1. Connect the 14-way ribbon cable to the Econ Power Supply Unit on top of the fume
cupboard and to the Relay Interface Unit connector on the back of the AFA4000/E monitor
(K in Figure 21).
2. Connect the ‘telephone style’ airflow sensor plug-in cable to the sensor and the back of the
AFA4000/E unit (J in Figure 21).
3. For damper control, terminate the damper actuator cable into the ECON Output 1 terminals
on the Econ Power Supply Unit. Use a 20 mm cable gland to secure the cable to the power
supply box. Figure 23 shows the connections for damper control.
4. For inverter control, refer to Figure 22.
5. Connect the power supply cable into the back of the AFA4000/E (H in Figure 21) and to the
connection on top of the fume cupboard.
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