User's Manual

System Operation
52 313882C
Shutdown
Overnight Shutdown
1. Leave the power on.
2. Run Recipe 0 to purge solvent through meters and
gun.
Service Shutdown
1. Follow Pressure Relief Procedure on page 52.
2. Close main air shutoff valve on air supply line and
on ProMix.
3. Shut OFF the Power Switch on the EasyKey and on
the Power Supply Module (0 position). F
IG. 56.
4. If servicing the EasyKey or Power Supply Module,
also shut off power at main circuit breaker.
Pressure Relief Procedure
NOTE: The following procedures relieve all fluid and air
pressure in the ProMix 3KS system. Use the procedure
appropriate for your system configuration.
Single Color Systems
1. While in Mix mode (gun triggered), shut off the A, B,
and C fluid supply pumps/pressure pots. Close all
fluid shutoff valves at the pump outlets.
2. With the gun triggered, push the manual override on
the A, B, and C dose valve solenoids to relieve pres-
sure. See F
IG. 57.
NOTE: If a Dose Time alarm (E-7, E-8) occurs, clear
the alarm.
3. Do a complete system purge, following the instruc-
tions under Purging Using Recipe 0, page 59.
4. Shut off the fluid supply to the solvent purge valve
(SPV) and the air supply to the air purge valve
(APV), F
IG. 60.
5. With the gun triggered, push the manual override on
the A, B, and C purge valve solenoids to relieve air
and solvent pressure. See F
IG. 57. Verify that sol-
vent pressure is reduced to 0.
NOTE: If a Purge Volume alarm (E-11) occurs, clear
the alarm.
F
IG. 56. Power Switch
TI12657a TI14372a
0 = OFF
Relieve pressure when you stop spraying, before
changing spray tips, and before cleaning, checking, or
servicing equipment.