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INSTRUCTION MANUAL
(Source : Electrical Equipment Technical Standards, Ministry of International Trade
and Industry).
4.3 Protective Device Cable Connection (Fig. 15 and Table 3)
This pump have a leakage detector at the motor bottom and a thermal protector, in
the stator coil to protect the motor, with cable connections as illustrated in Fig. 15.
Connect terminals P1 and P2 for the thermal detector to P1 and P2 of the same
control connector. Connect the remaining terminal G to ground. Table 3 shows
detailed specifications regarding protective devices.
PM32U
Ground
plate
Motor
classification
AC 600V below
P2
For thermal
protector
P1
G
For ground
Ground wire
G.L
Ground terminal
Fig. 14
Table 2 (Example)
Grounding
Grounding line
resistance
10Ω
SOOW-A x #14x5 CORE
P3
For leakage detector
P4
Fig. 15
diameter
φ 1.6 mm
P.17
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