21
Installation and Operation Manual
SystemsSystems
2001 and 2002
MAKING SURE EVERYTHING IS WORKING RIGHT
SYSTEM POWER CHECK
Turn the main power switch on the motor driver
box to ON and check the digital display readout
— "HYPRO" should appear for a few seconds
while the computer checks itself (See Figure
21); then, a zero should appear on the digital
readout. If no zero appears, refer to the
“TROUBLESHOOTING ” section for possible
causes and solutions.
FOAM PUMP PRIMING CHECK
Turn the CAL/INJECT valve to the CALIBRATE
or FLUSH position. Provide a container to
Figure 21.
Digital Display Control Module
Electrical
❑ Tank level sensor is connected and the connections are sealed from moisture.
❑ Digital Display Control Module connectors are correct and tight.
❑ Cable connections at the motor driver box are correct and tight.
❑ Flowmeter cable(s) properly connected to the Digital Display Control Module or MultiFlo as
required.
❑ All cables and wires are secured and protected by loom from damage during operation.
❑ RFI/EMI beads are installed; control and flowmeter cables are properly folded and secured;
radio antennas, power lines and equipment are away from the control and flowmeter cables.
❑ All components, Digital Display Control Module, Flowmeter Tee, Pump Base, etc., are properly
grounded with adequate size wire and bare metal connections.
❑ Adequate current capacity is available for the foam pump motor (see the listing on Page 15).
❑ Circuit breaker switch on the motor driver box is in the ON position.
Liquid
❑ Flowmeter is mounted with flow arrow in the correct direction for water flow.
❑ Check valves are properly mounted in water and foam concentrate lines.
❑ Strainer is properly mounted for the direction of concentrate flow in the foam tank to pump line.
❑ Foam tank to the foam pump valve is in place and open.
❑ Injector fitting lines are proper size and connections are tight.
❑ CAL/INJECT valve is properly mounted and oriented for direction of concentrate flow.
❑ The injector is in a common point to supply foam concentrate to all discharges specified to have
foam capability.
❑ Fill foam tank(s) with a sufficient quantity of foam concentrate or water to allow system
calibration. Minimum of 5 gallons required .
❑ Foam is properly primed.
FOAM PUMP
❑ Foam Pump gear case filled to proper level with SAE 30 weight non-detergent oil.
8
HYPRO
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