31
72-910-24 Revision H
Pulse Timer
– a feature of the controller in which a timer accepts pulses from a water meter to actuate a
chemical feed pump
Relay Indicators
– lights (LED’s) located on the face of the control panel that indicate the status of individual
relays
Sample
– to obtain a quantity of water for test purposes,
Sample Line
– a line through which a portion of the system water flows, where probes and other monitoring
devices are located controlled with isolation valves
Sample Valve
– small valve on the flow assembly that provides user a means to drain small quantities of water
from the system for testing
Security Code
– a code that can be entered by the user when configuring the system to secure access to the
controller settings
Probe –
a device connected to the controller which monitors or measures a characteristic value in the water, like
the conductivity
Sensor
– see Probe
Set point
– the user determined value within a monitored range at which the controller initiates action (e.g.,
activates a relay)
Set point Differential
– also referred to as dead band or hysteresis; the offset applied to a set point to prevent
chattering of an output relay around a set point
Soft Keys
– Buttons on front panel used to input information
Solenoid
– an electromagnetically controlled switch
System Overfeed
– usually a malfunction condition where a feed pump fails in the Run (ON) condition
System Parameters
– see program parameters
TDS
– abbreviation for Total Dissolved Solids, measured in terms of electrical conductivity (
S/CM)
Temperature Compensation
– displays conductivity as if measured at 77°F (25°C)
Toroidal Conductivity
– Non-contacting conductivity sensor used for high values
Totalizer
– a re-settable function of the controller that keeps count of the number of water meter pulses
S/CM
– conductivity unit of measure. Often referred to as micro Siemens
Y-Strainer
– inline filter or screen to remove debris from system flow assembly
Factory Service Policy
Your MICROVISION is a state-of-the-art microprocessor-based controller. If you are experiencing a problem
with your process control instrument, first consult the troubleshooting guide in this manual. If the problem is
not covered or cannot be solved, contact Technical Services for assistance:
PULSAFEEDER INC. (SPO)
27101 AIRPORT ROAD
PUNTA GORDA, FL 33982
941-575-3800
Trained technicians are available to diagnose your problem and arrange a solution. Solutions may include
purchase of replacement parts or returning the controller to the factory for inspection and repair. All returns
require a Return Authorization number to be issued by Pulsafeeder. Parts purchased to correct a warranty
issue may be credited after an examination of original parts by Pulsafeeder. Warranty parts returned as
defective which test good will be sent back freight collect. No credit will be issued on any replacement
electronic parts.
Any modifications or out-of-warranty repairs will be subject to bench fees and costs associated with
replacement parts.
