Graco 3A1331C Bedienungsanleitung PDF herunterladen (Seite 23)

Setup Screen 2

Setup screen 2 enables users to set the high spray

pressure alarm limit value, minimum spray pressure

value and B pressure offset. Refer to the following

table for more information.

Icon Function

High Pressure Limit

Adjust the high pressure limit.

Default:

7250 psi (14 MPa, 138 bar)

Range:

0-7250 psi (50 MPA, 500

bar) maximum

Minimum Spray Pressure Limit

Adjust the lower spray pressure limit.

Defaul

2000 psi (14 MPa, 138 bar)

Range:

0-7250 psi (50 MPA, 500

bar) maximum

Password

The se

tupscreenscanbeprotected

by a pa

sswordtorestricttheir

acces

sibility. To set the password,

see Se

t Password, page 24.

Range:

0-9999

Icon Function

B Side Pressure Offset

Default:

0psi

Range:

-999 to 999 psi

Only used for remote mix manifold

applications where there is a normal

difference in pressure between A and

Remote mix manifold applications

should ﬁrst be balanced with proper

hose sizing and adjusting the mix

manifold B restrictor. See manual

3A0590.

Use if your differential alarm bar

graph on the Spray screen is off

to one side under normal spray

conditions.

See B Side Pressure Offset Example.

B Side Pressure Offset Example

In normal spray conditions, the B pressure is 300

psi above the A pressure. The bar graph is offset

to one side.

Enter a B offset pressure of +300 psi. Now the bar

graph Is centered.

The differential pressure alarm now sees no

differential when the B pressure is 300 psi higher

than the A pressure. If the B pressure was normally

300 psi lower than the A pressure, you would enter

—300 psi to balance the offset.

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