Xylem IM255 AQUAVAR Intelligent Pump Controller - Manual (Page 28)

130BT334.10
Figure 10: Control wiring access for A4, A5, B1, B2, C1, and C2 enclosures
Table 1: Tightening torques for covers (nM)
Frame IP20 Open IP21/Type 1 IP55/Type 12 IP66/Type 4X
A3/A4/A5 — — 2 2
B1/B2 — * 2.2 2.2
C1/C2/C3/C4 — * 2.2 2.2
* No screws to tighten
— Does not exist
Control terminal types
1
4
2
3
130BA012.12
61
68
69
39
42
50
53
54
55
12
13
18
19
27
29
32
33
20
Figure 11: Control terminal locations
• Connector 1 provides four programmable digital inputs terminals, two additional
digital terminals programmable as either input or output, a 24 V DC terminal supply
voltage, and a common for optional customer supplied 24 V DC voltage.
• Connector 2 terminals (+)68 and (-)69 are for an RS-485 serial communications
connection.
Electrical Installation
26 Aquavar ® Intelligent Pump Controller INSTRUCTION MANUAL