Manual

10
Installation
Electrical Wiring
¡ Do not operate this pump with wet hands. Doing so
might result in electric shock.
¡ Do not turn the power ON during electrical wiring.
Attach a "Work In Progress" label to the power
switch.
¡ Reliably ground the earth terminal. Failure to do so
might result in electric shock. Be sure to install a
current leakage breaker.
¡ Do not disassemble the body or circuits.
!
WARNING
¡ Electrical wiring must be performed by personnel
such as an electrician having specialist knowledge.
¡ Check the power voltage before wiring. Do not wire
a power supply outside of the rated voltage range.
¡ Be sure to ground the earth lead (green) when
wiring to prevent electric shock.
!
CAUTION
●When operating the pump interlocked
with a transfer pump
Wiring Example
●Standalone operation
Transfer
pump
P
ELB
NFB MC1
TH
U
V
W
E
CP (*1)
MC2
NFB
Ground
Green
PZiG
pump
PZiG
pump
Operation signal
CS1
CS2
Auto
OFF
Manual
Auto
OFF
Manual
X
X
MC
1
MC
2
PL
PL
ELB
NFB
MC
1~2
TH
CP
CS
1~2
X
PL
: Current leakage breaker
: No-fuse breaker
: Electromagnetic contactor
: Thermal relay
: Circuit protector
: Changeover switch
: Auxiliary relay
: Operation indicator
Transfe
pump
TH
Power supply
AC200V
3
ELB
CP
Power supply
AC100~240V
Ground
PZiG
pump
Green
¡A circuit protector (CP) is ideal as an overcur-
rent protection device on this pump from the
aspects of operating time and shutoff current
characteristics. (5 A medium-speed type)
¡ The circuit protector indicated as a recom-
mended protective device can also be used as
a power supply switch, which simplifies wiring.
¡A thermal relay for a motor is unsuitable for
protection of this pump from the aspect of char-
acteristics.
NOTE
¡ Be sure to use a commercial power supply
(power supplied from an electric power compa-
ny) as the power supply.
¡Power supplies that cannot be used:
1.Power supply equipped with an AC power
regulator
2.Power supply on the output side of the invert-
er
¡Do not take power in from the same terminal as
an induction motor (e.g. transfer pump).
A high voltage may be generated, for example,
when the power is turned OFF and damages
the pump.
IMPORTANT
P
Transfer
pump,
etc.
U
V
W
Power
supply
PZiG pump
05-45_PZiG Series(2)English 06.8.4 9:39 AM y[W 10