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System Operation
312779E 83
General Operating Cycle,
Sequential Dosing
1. The system enters and loads the desired color.
2. The system enters Mix mode to begin operation.
3. The ProMix 2KS controller sends signals to activate
the solenoid valves. The solenoid valves activate
Dose Valves A and B. Fluid flow begins when the
Gun Trigger input is seen.
4. Components A and B are introduced into the fluid
integrator (FI) one at a time as follows.
a. Dose Valve A (DVA) opens, and fluid flows into
the integrator.
b. Flow Meter A (MA) monitors the fluid volume
dispensed and sends electrical pulses to the
ProMix 2KS controller. The controller monitors
these pulses and signals.
c. When the target volume dispenses, Dose Valve
A closes.
NOTE: The dispense volume of component A and B
is based on the mix ratio and dose size set by the
user and calculated by the ProMix 2KS controller.
d. Dose Valve B (DVB) opens, and fluid flows into
the integrator and is aligned proportionately with
component A.
e. Flow Meter B (MB) monitors the fluid volume
dispensed and sends electrical pulses to the
ProMix 2KS controller.
f. When the target volume is dispensed, Dose
Valve B closes.
5. The components are pre-mixed in the integrator,
then uniformly blended in the static mixer (SM).
NOTE: To control output from the static mixer to the
gun, install an optional fluid pressure regulator.
6. Components A and B are alternately fed into the
integrator as long as the Gun Trigger input is seen.
7. If the Gun Trigger input is not seen for two minutes,
the system switches to Idle mode, which closes off
the mix manifold dose valves.
8. When the Gun Trigger input is seen again, the Pro-
Mix 2KS continues the process where it left off.
NOTE: Operation can be stopped at any time by
going to Standby mode (remove Mix input).
Table 11: Sequential Dosing Operation
Ratio = 2.0:1 Dose 1 Dose 2 Dose 3
A = 2
B = 1