Graco HydroShield WABH00 Instructions - Parts Manual page 19

Connect Connect the Connect the Paint the Paint Trigger Paint Trigger Input Trigger
The system relies on a pneumatic paint trigger signal
to know when to dispense paint. When the paint
trigger signal is removed it knows it can begin the
refill process.
1. Tap into the paint trigger air line going to the
spray gun.
2. Run a 5/32" air line from the spray gun's paint
trigger line to the HydroShield.
3. Plug the 5/32" air line into the paint trigger input
(PTI) port on the right side of the system.
Figure 10 Air Line Connections
3A8492A
Input Input Connect the Connect Connect the the Electrostatic Electrostatic Request Electrostatic
The system needs to know when the use of
electrostatics is desired. With this signal the system
will confirm the request and enable an electrostatic
output if Spray mode is active. Connect the signal
that would normally enable electrostatics to this input.
There are pneumatic and electrical options for this
input.
Pneumatic Input Pneumatic Pneumatic Input Input
1. Connect a 5/32" air line to the electrostatic
request input (ERI) port as shown in
Connect the Paint Trigger Input, page
2. Supply air pressure above 70 psi (.48 MPa, 4.8
bar) to activate the input.
Electrical Input Input
Electrical Electrical Input
1. Prepare the electrical controls for service. Follow
the steps in Prepare the Electrical Controls for
Service, page 106.
2. Run two wires through the I/O port strain relief on
the right side of the system.
Figure 11 I/O Ports
3. Feed these wires through the top right opening
in the electronics control panel.
Installation
Request Input Request Input Input
19.
19