Armstrong Design Envelope 4300 Manuel d'installation et d'utilisation - Page 10

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2 .8 system cleanliness

Before starting the pump the system must be thoroughly

cleaned, flushed and drained and replenished with clean liquid.

Welding slag and other foreign materials, Stop Leak and clean-

ing compounds and improper or excessive water treatment are

all detrimental to the pump internals and sealing arrangement.

Proper operation cannot be guaranteed if the above conditions

are not adhered to.

note:

Particular care must be taken to check the following before the

pump is put into operation:

a Pump primed?

b Rotation ok?

c Lubrication ok?

d Pipe work properly supported?

e Voltage supply ok?

f Overload protection ok?

g Is the system clean?

h Is the area around the pump clean?

warr ant y

Does not cover any damages to the equipment resulting from

failure to observe the above precautions. Refer to Armstrong

General Terms and Warranty sheet. Contact your local

Armstrong representative for full information.

Commercial pumps Series 4300, 4360 and 4380

Vertical In–Line pumps

2 .9 installation layouts

fig. 2.1 Hanger supported pipe mounted.

fig . 2 . 2 Pipe mounted supported at ceiling.

Hangers support the weight

of the filled piping, pumps

and fittings

System inlet

Recommended field

pressure gauge piping

arrangement

Suction guide

Drain connection

Pipe hanger (typ.)

See specification

for size and type

System outlet

Split

coupler

Flush line

Flo-Trex valve

Pet cock

(typ.)

2' or 3'

height above

finished floor