Controller Termination; Figure 1.16 - Bard W48A2PQ Installation And Service Instructions Manual

1. Using the field-provided shielded cable, make a small service loop after entering the controller and attach the provided
EMI filter at the intersection of the loop.
2. Connect one wire to terminal #27 (negative), the other wire to terminal #28 (positive) and the drain wire to ground
terminal #29.
1 2 3
To Wall-Mount Unit 1
Control Board RS485

FIGURE 1.16

Communication Wiring: Termination at the Controller
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
-
+
G
26 27 28 29
MIS-3730
Manual 2100-642
Page 25 of 82