Myron L 750 II Series User Manual

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B. OEM FRONT PANEL INDICATORS &
CONTROLS
The simulated OEM front panel illustrations to the right, and
switch and indicator operational descriptions have been pro-
vided to assist the OEM user in identifying and operating the
750 Series II Monitor/controllers.
RefertoSectionV.C.forSetupprocedures,andSectionV.D.for
Check-Out procedures.
1. RED “HIGH SET POINT” LED INDICATOR
TheredLEDindicatorlightisONonlywhenthewater’sconduc-
tivity/TDSreadingisHIGHorABOVEthesetpointadjustment
(LOW or BELOW on Resistivity). May be reversed if desired.
2. GREEN “LOW SET POINT” LED INDICATOR
ThegreenLEDindicatorlightisONonlywhenthewater’s
conductivity/TDS reading is LOW or BELOW the set point
adjustment(HIGHorABOVEonResistivity).Maybereversedif
desired.
3. “SET POINT” SWITCH(ES)
When the “SET POINT” switch is depressed, the internal set
point reading is immediately displayed on the front panel dis-
play.SeeguresIV.B.1thru4.
4. ANALOG METER OR DIGITAL DISPLAY
Panel mounted analog meter or digital display provide a continu-
ous readout of the water being monitored.
Conductivity/TDS Models 756II & 757II and Resistivity Models
751II & 752II are equipped with analog meter only as shown in
gureIV.B.4.
Conductivity/TDS Models 758II & 759II and Resistivity Models
753II & 754II are equipped with a 3 1/2 digit, 1/2” Liquid Crystal
DigitalDisplay,asshowninguresIV.B.1thru3&5.,witha4
1/2 digit backlit LCD as an option.
5. OPTIONAL PANEL MOUNTED ITEMS
TP/TPO Module Switch
A digital Monitor/controller with the optional TP/TPO Temperature
Module has an additional switch on the front panel as shown in
gureIV.B.1.Thispush-buttonmomentaryswitchwhenpushed
gives the user a direct reading of the temperature of the solution
from0-200°C.AdditionaloptionTH/THOincludesacontrol
functioncapability.SeegureIV.B.1.
Full Scale Test Switch (PTS/FST)
This optional feature allows the user to see the Full Scale TEST
value without opening the panel to push the internal switch. See
guresIV.B.1andIV.B.3fortypicalexamples.
Piezo Alarm
Audible alarm sounds off automatically when the set point is
reached. Mounted by OEM in any convenient location as shown
ingureIV.B.3.
WARNING: THE DISPLAY WILL BE IRREPARABLY
DAMAGED IF THE HARNESS IS INSTALLED UPSIDE-
DOWN. THE HARNESS MUST BE INSTALLED AS
SHOWN IN FIGURE II.E.6.
HIGH
LOWSET POINT
TEMPERATURE
TEMPERATURE
FST
Figure IV.B.1
HIGH
LOWSET POINT
Figure IV.B.2
Digital Conductivity
Monitor/controller with
optional Dual
Alarm/controls
Digital Conductivity
Monitor/controller with
optional Dual
Alarm/controls, and
Temperature with
control function, and
Front Panel Test
Switch.
758II-121-SC-TP-THH-PTS
758II-121-SC
Figure IV.B.5
HIGHLOW
SET POINT
Figure IV.B.4
0 5
4
32
1
Figure IV.B.3
HIGHLOW
SET POINT
FST
NOTE: Boxes around displays to simulate OEM
panels.
Analog Conductivity
Monitor/controller
(Single Alarm/control)
Digital Conductivity
Monitor/controller with
optional Front Panel
Test Switch, Single
Alarm/control, and
Piezo Alarm.
Digital
Resistivity
Monitor
754II-11
757II-112
758II-121-PTS-PA

Myron L 750 II Series Specifications

General

Brand	Myron L
Model	750 II Series
Category	Controller
Language	English