Table Of Contents; Shipment Inspection - Grundfos CR Installation And Operating Instruction Manual
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- Installation and operating instructions manual (73 pages) ,
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CONTENTS
Warning
Electrical Work: All electrical work should be
performed by a qualified electrician in
accordance with the latest edition of the National
Electrical Code, local codes and regulations.
Warning
Shock Hazard: A faulty motor or wiring can cause
electrical shock that could be fatal, whether
touched directly or conducted through standing
water. For this reason, proper grounding of the
pump to the power supply's grounding terminal
is required for safe installation and operation.
In all installations, the above-ground metal
plumbing should be connected to the power
supply ground as described in Article 250-80 of
the National Electrical Code.
1. General
The CR range is based on the inline multistage centrifugal pump
first pioneered by Grundfos. CR is available in four basic
materials and over one million configurations. CR is suitable for
pumping water and water-like liquids in industry, petrochemical,
water treatment, commercial buildings, and many other
applications. Some of CR's outstanding characteristics are:
•
superior efficiency
•
reliability
•
ease of maintenance
•
compact size and small footprint
•
quiet operation.
2. Shipment inspection
Page
Examine the components carefully to make sure no damage has
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occurred to the pump during shipment. Care should be taken to
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ensure the pump is NOT dropped or mishandled.
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2.1 Ensure you have the right pump
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Read the pump nameplate to make sure that it is the one you
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ordered.
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•
CR
10
Centrifugal pump with standard cast iron and 304 stainless
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steel construction
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•
CRI
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Centrifugal pump; all parts in contact with water are 304
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stainless steel construction
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•
CRN
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Centrifugal pump; all parts in contact with water are 316
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stainless steel construction
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•
CRT
Centrifugal pump; all parts in contact with water are titanium
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construction
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•
CRE
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Centrifugal pump with a Grundfos MLE VFD motor attached.
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2.2 Checking the condition of the pump
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The shipping carton in which your pump arrived is specially
designed around your pump during production to prevent damage
during shipment. As a precaution, the pump should remain in the
carton until you are ready to install it. Examine the pump for any
damage that may have occurred during shipping. Examine any
other parts of the shipment as well for any visible damage.
Note: If the pump is shipped as a complete unit (motor attached
to pump end), the position of the coupling (that connects the
pump shaft to the motor shaft) is set at factory specifications. No
adjustment is required. If the unit is delivered as a pump end only,
follow the adjustment procedures in the section on replacing the
motor.
Pump without Motor (CR(I)(N) 1s, 1, 3, 5, 10, 15, and 20 Only):
If you purchased a pump without a motor, the shaft seal has been
set by the factory. Do not loosen the three set screws on the shaft
seal when attaching the motor.
Pump without Motor (CR(N) 32, 45, 64, 90, 120, and 150 Only):
If you purchased a pump without a motor, you must install the
seal. The seal is protected in its own sub boxing within the pump
packaging crate. To protect the shaft and bearings during
shipment, a shaft holder protective device is used. This device
must be removed prior to installation of the seal. Read the seal
installation instructions which are included in the pump package.
2.3 Verifying electrical requirements
Verification of the electrical supply should be made to be certain
the voltage, phase and frequency match that of the pump motor.
The proper operating voltage and other electrical information can
be found on the motor nameplate. These motors are designed to
run on -10 % / + 10 % of the nameplate-rated voltage. For dual-
voltage motors, the motor should be internally connected to
operate on the voltage closest to the 10% rating, i.e., a 208
voltage motor wired per the 208 volt connection diagram. The
wiring connection diagram can be found on either a plate
attached to the motor or on a diagram inside the terminal box
cover. If voltage variations are larger than -10 % / + 10 %, do not
operate the pump.
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