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Safety
Introduction
Operator Interface Terminal (OIT)
The OIT enables or disables the foam system operation and adjusts the amount
of concentrate that is injected into the waterway. It is available in digital and
manual versions.
Digital OIT
(Figure 21)
The digital OIT
communicates with the pump controller to
perform the following functions:
• Push button control of foam proportioning rate from 0.1% to 1.0% in 0.1
increments and 3% to 6% depending on the concentrate.
• Calibration of water flow rate.
• LED displayed warning of low concentrate supply.
• Indicating light for A and B tank when dual supply tanks are installed.
• Manual operating mode for backup.
Product Overview
Figure 21
Installation
Operation
Manual OIT
The manual OIT
perform the following functions:
• Rotary dial control of foam proportioning rates from 0.1% to 1.0% in
infinite increments.
• Quick calibration of water flow rate.
• Low supply warning.
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Maintenance
(Figure 22)
communicates with the pump controller to
1. Press ON/OFF button to start or stop system.
2. Set Foam % ratio.
3. Upper (Blue) LED:
Solid on - System standby.
Slow flashing - System injecting.
Fast flashing - Manual mode.
4. Lower (Red) LED:
Flashing - Concentrate in tank low, 2 min to shutdown.
Solid on - No concentrate, system shutdown.
FOAM %
ON/OFF
Q-1230286
Figure 22
Troubleshooting
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