44 310531
PrecisionFlo Module Operation
Reading the PrecisionFlo Control Panel Indicators
Use the tables below and Fig. 30 to read the indicators on the PrecisionFlo control panel.
Fig. 30
24
25
26
27
28
Part No. 918644
Part No. 918463
27
42
43
45
41
46
Ref
Button/Switch
What it Does
24
Master Start / Stop Reset Button
Turns on power to PrecisionFlo’s metering valve drive after
power is applied to the module.
Restarts the PrecisionFlo module after the DISPENSER
SYSTEM STOP button has been pressed.
Engages the Master Control Relay and signals the external
controller that the power has been applied to the module.
Lights Control On light.
27
Main Electrical Power
(Disconnect) Switch
Turns on power to system.
Lights Power On/ Ground Connected light
28
Dispenser System Stop Button
Disengages the Master Control Relay.
Signals the external controller that a DISPENSER SYSTEM
STOP condition is in effect.
Shuts down PrecisionFlo Assembly.
Turns off Control On light.
De-energizes the drive for the PrecisionFlo metering valve.
46
Hand / Door Pendant Selector
Selects the hand-held pendant or door pendant.
Ref
Indicator
Indicator
Light is
Meaning
25
Power On/
Ground Connected
Li ht
ON
Power is on and a proper ground is connected to the
PrecisionFlo assembly.
Light
OFF
Power is off and/or ground is disconnected.
DIMLY LIT There may be a problem with the PrecisionFlo system power
connections. Have the power wiring and connections checked
by a qualified electrician before attempting to start the
PrecisionFlo system.
26
Control On Light
ON
Master Control Relay (MCR) is engaged and the PrecisionFlo
Control Assembly is ready for operation.
OFF
PrecisionFlo Control Assembly is not ready for operation.