Armstrong 4360 Manuale di installazione e istruzioni per l'uso - Pagina 10
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10
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