Nordson Encore LT Automatic, Customer Product Manual

Page: 41 / 71

Operation
4-7
Part 1604858-01
E
2013 Nordson Corporation
In other words,
If Flow air = 25%, Atomizing air = 25%, then
Flow air = 1.7 bar (25 psi), Atomizing air = 1.7 bar (25 psi).
If Flow air = 40%, Atomizing air = 10%, then
Flow air = 2.7 bar (40 psi), Atomizing air = 0.689 bar (10 psi).
Refer to your pump manual for typical operating values for Flow and
Atomizing air.
Daily Operation
Startup
1. Turn on the spray booth exhaust fan.
2. Turn on the system air supply and power.
3. Fluidize the powder supply.
4. Turn on controller power. Make sure all gun controllers are enabled. The
displays on the gun controller interfaces should light.
5. Multi-Gun Controller: Turn the interlock keyswitch to READY.
6. External Trigger Mode: Start the conveyor and run parts through the
booth. The guns should be triggered automatically by your triggering
device. Alternately, you can use the Trigger All switch if you have a
multi-gun controller.
Continuous Trigger Mode: Start the conveyor, then press the
Enable/Disable buttons to start spraying power.
7. Adjust each controller to achieve the desired spray pattern, powder flow
rate, and transfer efficiency.
The controller interface displays actual kV or μ A output when the gun is
spraying and setpoints when the gun is off. The air flow displays always
show the setpoints.
On Initial Startup: With the gun triggered, air set to zero, and no parts in
front of the gun, record the μ A output for each gun in the system.
Monitor the
μ
A output daily, under the same conditions. A significant
increase in μ A output indicates a probable short in the gun resistor. A
significant decrease indicates that a resistor or electrostatic power supply
requires service.