Flowserve KW941 Bedienungsanleitung PDF herunterladen (Seite 17)

KW941 Pump Power Monitor USER INSTRUCTIONS ENGLISH 71569285 02-12

Page 17 of 24 flowserve.com

6 MAINTENANCE

The KW941 Pump Power Monitor should not require

any routine maintenance outside of wiping down the

front cover occasionally.

It is the plant operator's responsibility to ensure

that all maintenance, inspection and assembly work

is carried out by authorized and qualified personnel

who have adequately familiarized themselves with

the subject matter by studying this manual in detail.

(See also section 1.6.2.)

Before restarting the machine, the relevant

instructions listed in section 5, Setup and Operation

must be observed.

Place a warning sign on the starting device:

"Machine under repair: do not start".

With electric drive equipment, lock the main switch

open and withdraw any fuses. Put a warning sign on

the fuse box or main switch:

"Machine under repair: do not connect".

6.1 Spare parts

No spare parts are needed. The internal fuse is not

meant to be accessed by the customer per CE

requirements. The current sensor (toroid) is robust,

but the leads can be broken off if handled roughly.

Contact your local Flowserve sales representative to

order a new toroid if the leads are damaged. Follow

the procedure in Section 5.5 to calibrate the new

toroid to the KW941 unit.

6.2 Tools required

A flat blade screwdriver, wire cutter, and wire stripper

are all that should be required to work on the wiring

going to the KW941 Pump Power Monitor once it is

installed.

7 FAULTS: CAUSES AND REMEDIES

Troubleshooting

The purpose of this guide is to supply general

information on how to troubleshoot problems related

to startup and operation of the KW941 Pump Power

Monitor. It is intended only as a guide and cannot

cover every situation. If a problem exists that is not

covered by one of the examples, then contact a

Flowserve Sales Engineer or

Distributor/Representative for assistance.

General Guidelines

• The KW941 Pump Power Monitor is intended for

use on fixed frequency, steady, non-pulsating

loads. The unit is not intended for use with

variable frequency drives.

• When troubleshooting, never swap electronics

from one unit to another. This will cause

operational problems and void any warranty

claim.

• It is often helpful to isolate the monitor to

determine if the cause of a problem is internal to

the KW941 or a part of the external wiring

system. By removing all connections except for

the voltage and current sensing toroid, the

problem can normally be isolated to either the

monitor itself or to the external wiring.

• Each KW941 has an internal "DEMO MODE"

which can be helpful in verifying the correct

function of the unit. See Section 5.4 for

instructions on how to use this mode.

• Typical writing configurations for utilizing alarm

relays are shown in Section 8 as Figures 8.1

and 8.2 for reference.

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 23 24

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