Isolation System - Graco HydroShield WMBH00 Instructions - Parts Manual

Table 5 5 5 Gun Gun Flush Flush Box Box Connections
Table Table Gun Flush Box
HydroShield Isolation HydroShield HydroShield Isolation

Isolation System

System System
Gun Gun Gun Purpose Purpose Purpose
Flush Box Box
Flush Flush Box
Port Port Port
P Supplies air to the gun flush box.
A Provides the output air signal to
indicate that a gun is in the box and
the lid is closed.
C Provides the inlet air for the gun trigger
cylinder.
S Provides the output air signal to
atomizing air shutoff valve.
1. Supply air to port P.
2. Connect port A to the cabinet at the bulkhead
fitting labeled
The output air lets the system know that the gun
flush box is closed and contains a gun. See
Status Screen, page
Figure 18 Gun Flush Box Tube Connections on
Isolation System
3. Connect port C to the cabinet at the bulkhead
labeled
The input air connection activates the solenoid
which, in turn, activates the gun trigger in the gun
flush box.
4. Plug port S. Port S is not used since the isolation
system controls the air to the gun.
5. In the control interface System menu, check the
Gun Flush Box field. If this option is not enabled,
the system does not recognize that the gun flush
box is present. See
3A7370B
Connections for for Use Use with with a a a
Connections for Use with
40.
System, page 50.
Check the the Grounding Grounding of of of the
Check Check the Grounding
Gun and and Isolation Isolation System
Gun Gun and Isolation
Megohmmeter Part No. 241079 (AB in Figure 6)
is not approved for use in a hazardous location.
To reduce the risk of sparking, do not use the
megohmmeter to check electrical grounding
unless:
• The gun has been removed from the hazardous
location;
• Or all spraying devices in the hazardous
location are turned off, ventilation fans in the
hazardous location are operating, and there are
no flammable vapors in the location (such as
open solvent containers or fumes from spraying).
Failure to follow this warning could cause fire,
explosion, and electric shock and result in serious
injury.
Graco Part No. 241079 Megohmmeter (AB) is
available as an accessory to check that the gun is
properly grounded.
1. Have a qualified electrician check the electrical
grounding continuity of the spray gun and air
hose.
2. Turn off the electrostatics.
3. Turn off the air and fluid supply to the gun. Follow
the Pressure Relief Procedure, page
fluid hose must be empty.
4. Purge the fluid hose with air, if needed.
Installation
the Spray Spray
the Spray
System
System
26. The
23