Xylem FLYFT P7900, Installation, Operation And Maintenance Manual

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Sensor Terminal block Conductor
number for 12-
lead cable
Conductor for
24-lead cable
Pt100 in the stator winding 1 19 8 8
4 — —
Pt100 in the stator winding 2 21 — 13
22 — 14
Pt100 in the stator winding 3 23 — 15
24 — 16
Memory module RS-485 B 74 9 9
Memory module RS-485 A 75 10 10
Memory module supply, ground (earth) 76 11 11
Memory module supply, 12 VDC+ 77 12 12
Vibration sensor VIS 10 + 78 — 21
– 79 — 22
4.5.5 Power cable phase sequence
In the following figure, the triangle marked “L1,” “L2” and “L3” shows the phase sequence.
L2
L1 L2 L3
L3 L1
WS000578E
1
2 3
4
T2 T1
7
6
5
8
Figure 15: Correct phase sequence
Item Description
1 L1 cable lead Brown
2 L2 cable lead Black
3 L3 cable lead Gray
4 Earth PE or ground lead cable
5 T1 cable lead (control element) In cables with both power conductors and
control element.
MAS 801: See the SIO manual for T1, T2,
and drain wire connections.
6 T2 cable lead (control element)
7 Screen (drain wire)
8 Power cable to unit
4.5.6 Identifying signal leads connected to the PEM, thermal contacts, or thermistors
This section is for pumps with the MAS 801
™
.
There can be 1–4 SUBCAB cables. Each cable contains both power conductors and signal
conductors. Only the signal conductors from one cable are used.
4 Installation
P7900 Installation, Operation, and Maintenance Manual 33