PS (3-Phase) Series Operation
wc_tx000131gb.fm 13
Note:
Consult your local dealer or Wacker representative before using
with any liquids other than those indicated in this document.
Critical Pressure
Do not use the pump in an area where the water pressure exceeds the
values given below, as it may damage the pump, or cause a short or
electrical shock.
Preparing for Installation
Before installing the pump at a work site, you will need to have the
following tools and instruments ready:
• Insulation resistance tester (megohmmeter)
• AC voltmeter
• AC ammeter (clamp-on type)
• Bolt and nut tighteners
• Power supply connection tools (screwdriver or box wrench)
Note:
Please also read the instructions that come with each of the test
instruments.
Checks to Make Before Installation
With the megohmmeter, measure the insulation resistance between
each of the power wires and grounding wire to verify the insulation
resistance of the motor.
Reference insulation resistance: 20MW or greater
Note:
The reference insulation resistance (20M
W
or greater) is the
value when the pump is new or has been repaired. For the reference
value after installation, see Maintenance and Inspection.
Model Critical Pressure
PS2 1503
PS2 2203
PS2 3703
PS4 3703
PS4 5503
PS3 1503
PS3 2203
PS3 3703
PS3 5503
0.5 MPa (71 PSI)
– discharge pressure during use
= critical pressure
PS4 7503HH
PS4 11003HH
PS4 7503HF
PS4 11003HF
critical pressure = 0.5 MPa (71 PSI)
CAUTION
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