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4.2
Control Panel Indicators
The following is a description of the control panel indicators.
Service
Indicator
Pressure Indicator
The pressure indicator shows the current operating pressure of the
sprayer. It has three different indications: blinking yellow, solid
yellow, and solid green.
Blinking yellow
When the pressure indicator is blinking yellow, the sprayer is
operating between 0 and 1.4 MPa (14 bar). A blinking yellow
pressure indicator means:
• The sprayer is plugged in and turned "ON"
• The sprayer is at priming pressure (little or no pressure)
• It is safe to move the relief valve between positions
• It is safe to change or replace the spray tip
i
If the pressure indicator begins blinking yellow when
the pressure control knob is set at a higher pressure
and the relief valve is in the SPRAy position, either
the spray tip is worn or the sprayer is in need of
service/repair.
Solid yellow
When the pressure indicator is solid yellow, the sprayer is operating
between 1.4 MPa (14 bar) and 12 MPa (120 bar). A solid yellow
pressure indicator means:
• The sprayer is at the proper pressure setting for spraying stain,
lacquer, varnish, and multi-colors
ProSpray 3.21
GB
6
Pressure
Indicator
Solid Green
When the pressure indicator is solid green, the sprayer is operating
between 12 MPa (120 bar) and 23 MPa (230 bar). A solid green
pressure indicator means:
• The sprayer is at the proper pressure setting for spraying oil-
based and latex house paints
• The sprayer is operating at peak performance at a high
pressure setting
• If the pressure indicator goes to solid yellow when the
pressure is set so that it starts at solid green, it indicates one of
the following:
a. Tip Wear Indicator — when spraying with latex or at high
pressure the solid yellow appears. This means the tip is
worn and needs to be replaced.
b. Tip Too Large — when a tip that is too large for the sprayer
is put in the gun, the pressure indicator will turn from solid
green to solid yellow.
c. Fluid Section Wear — if a solid yellow pressure indicator
appears when using a new tip and the pressure is set at
maximum, service may be required (worn packings, worn
piston, stuck valve, etc...).
Service Indicator
The Service indicator is on when the motor is commanded to run.
This indicator is used by service centers to troubleshoot motor
problems.
4.3
Pressure control knob settings (Fig. 5)
1. Minimum pressure setting
2. Black zone – no pressure generation
3. Blue zone – pulsating pressure for cleaning
1
2
3
4.4
Connection to the mains network
The unit must be connected to an appropriately-
grounded safety outlet.
Attention
Before connecting the unit to the mains supply, ensure that the line
voltage matches that specified on the unit's rating plate.
The connection must be equipped with a residual current protective
device with INF ≤ 30 mA.
9
Starting operation
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