Myron L 750 II Series User Manual

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5. Set front panel down or carefully allow to hang from the
harness. Do not drop as the harness connector will pull
out allowing the front panel to fall.
6. While holding the display and the plastic display
retainer plate, carefully remove the display harness
connector. Do not drop the display.
7. Remove and discard the plastic display retainer plate.
8. Insert display connector pins into the Temperature
  Modulefemaleconnector.SeegureIII.C.1.
9. While holding the front panel, align the display to the
opening and at the same time, align the Temperature
Module mounting holes to the front panel.
10. Reconnect display harness with leads down as shown
  inguresIII.C.1&III.C.2.
11. Reinstall the four (4) screws and tighten.
Display Select Switch installation
1. Using a small sharp knife or 1/4” (6.35mm) drill,
carefully cut open the hole on the right side of the front
panel, when viewed from the back, just below the Sensor
connectors on the Temperature module. See
  gureIII.C.2.
2. Install push-button display switch into this hole and
  tightenbezel.SeeguresIII.C.2&III.C.4.
3. Install push-button/cap on switch.
WARNING: There are two (2) O-rings installed on the switch,
one (1) on the threaded shank and the other is under the push
button. Both of these must be re-installed to maintain IP64/
NEMA3ratings.SeegureIII.C.3.
4. Place “TEMPERATURE” label next to the switch. See
  gureIII.C.4.
Electrical
1. Connect the display switch harness to the Temperature
  ModuleasshowningureIII.C.1.
2. Connect the Temperature Sensor leads to the
  TemperatureModuleaslabeledingureIII.C.1.
CAUTION: The sensor input connectors require only a small
screwdriver or a pen to push on the release levers. The release
levers may be broken or damaged if not pushed straight toward
the CB. DO NOT push the release levers sideways. Follow the
color code as labeled.
 3. Connect0-5VDCoutput,ifdesired.
4. To test, turn power ON.
5. Press “TEMPERATURE” front panel switch, display will
show the temperature of the sensor.
6. Turn power OFF.
7. Continue or reinstall the front panel and tightly secure
both retaining screws, see REASSEMBLY below.
3. RECALIBRATION
Electronic Calibration Only. For System Calibration, see below.
The Temperature Module was calibrated at the factory, however,
if you wish to check the calibration the following procedure will
help you to accomplish this task. Exercise caution while per-
forming this procedure.
Requirements:
TP Calibration Module (TPC) or
Two .1% precision resistors -
  ZERO-1000.0Ω(0°C=0.0V)
  SPAN-1758.56Ω(200°C=5.0V)
One (1) jumper
ADVMsettoDCVolts,atweakerorsmallstandardslot
screwdriver.
FRONT PANEL
BEZEL
PUSH BUTTON
O-RING
O-RING
SWITCH
SWITCH and O-RING ASSEMBLY
Figure III.C.3
Figure III.C.4
FRONT PANEL
TEMPERATURE
Label Location
750II
HIGHLOW
SET POINT
MICROSIEMENS / CM
TEMPERATURE
TEMPERATURE
Switch Location
Figure III.C.2
FRONT PANEL
Rear View
Cut front label
out for Display
Select Switch here
FSZERODISSP2 HYS2
DISPLAY CONNECTION
DISPLAY SWITCH
(UPPER FRONT PANEL)
DISPLAY
TEMPERATURE
SENSOR INPUT
0-5VDC
OUTPUT
DISPLAY
TEMP
CONTROL
HARNESS
TEMP
SENSOR
(-)
(+)
BLU
+
0-5VD
INC
INC
DEC DEC
BRN
BR BL OR - +
-
SPC
SELECT
TP/TPO - TEMPERATURE MODULE

Myron L 750 II Series Specifications

General

Brand	Myron L
Model	750 II Series
Category	Controller
Language	English