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System Operation
312779E 91
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 91.
2. Close main air shutoff valve on air supply line and
on ProMix 2KS.
3. Shut off ProMix 2KS power (0 position). F
IG
. 103.
4. If servicing EasyKey, also shut off power at main cir-
cuit breaker.
Pressure Relief Procedure
NOTE: The following procedures relieve all fluid and air
pressure in the ProMix 2KS system. Use the procedure
appropriate for your system configuration.
Single Color Systems
1. While in Mix mode (gun triggered), shut off the A
and B 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 and B dose valve solenoids to relieve pres-
sure. See F
IG
. 104.
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 96.
4. Shut off the fluid supply to the solvent purge valve
(SPV) and the air supply to the air purge valve
(APV), F
IG
. 106.
5. With the gun triggered, push the manual override on
the A and B purge valve solenoids to relieve air and
solvent pressure. See F
IG
. 104. Verify that solvent
pressure is reduced to 0.
NOTE: If a Purge Volume alarm (E-11) occurs, clear
the alarm.
F
IG
. 103. Power Switch
0 = OFF
TI12657a
Relieve pressure when you stop spraying, before
changing spray tips, and before cleaning, checking, or
servicing equipment.