INSTRUCTION MANUAL
P.18
PM32U
Table 3
Thermal protector
Leakage detector
Type
9700K 06-215
OLV
–
5 (float type)
Manufacturer
SENSATA TECHNOLOGIES
JAPAN LTD.
NOHKEN INC.
Contact rating
AC 115V/230V 18A/12A (max) AC 300V 0.5A (max)
Contact type
B-contact (normally closed)
B-contact (normally closed)
Cable terminal
identification
P1
P2
P3
P4
Material and size of
cable
SOOW-A #14
WARNING :
AN EARTH LEAKAGE BREAKER MUST BE USED ACCORDING
TO LAW TO PREVENT ELECTRICAL ACCIDENTS.
CAUTION :
A MOTOR PROTECTIVE DEVICE SHOULD BE INSTALLED ON
CONTROL PANEL TO PROTECT THE SUBMERSIBLE MOTOR AGAINST
OPEN-PHASE, OVER-CURRENT OR INCHING.
4.4 Water Level Switch Cable Connection (Fig. 16 and 17)
Figs. 16 and 17 illustrate typical float switch applications for water level control.
Three (or four) float switches are required for single unit operation, whereas four (or
five) are necessary for two-unit alternating operation.
If you desire our Ebara Water Level Control Float Switch, ask us for a catalog.
Alarm (abnormal low level)
OFF
ON
Alarm (abnormal high level)
Fig. 16 Single Unit Operation
!
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