Myron L 750 II Series User Manual

The following instructions describe the steps for converting the
Monitor/controller.RefertogureIII.A.4forthelocationofthe
SPC(s) on your Monitor/controller. If unnecessary, skip to Set
Point Adjustment.
1. Ensure power is OFF.
 2. LocatetheSPCjumpersforthealarmtobecongured,
  seegureIII.A.4.
3. Make a note of the current orientation of the SPC
jumpers.
4. Remove both jumpers. This is easily done by hand.
Take care not to crush the jumpers if using pliers.
 5. Rotatethejumpers1/4turn(90°)andreinstallthemon
their posts.
6. Continue with Set Point adjustment.
b. Set Point Adjustment
Set point #1 (LOW) must be adjusted BEFORE adjusting set
point #2 (HIGH).
1. Turn power ON.
2. While depressing the lower “SET POINT” switch, turn
  theSetPoint#1adjustment,gureIII.A.4untilthe
desired set point value is indicated on the display.
3. Repeat for Set Point #2 by depressing the upper “SET
POINT” switch and adjusting the SP2 on the SC/SCO
  ModuleasshowningureIII.A.4.
4. Turn power OFF.
5. Continue or reinstall the front panel and tightly secure
both retaining screws, see REASSEMBLY below.
21
MYRON L
COMPANY
SOLID STATE (24VDC 30mA) Output
PA™ PIEZO ELECTRIC ALARM OR
RA™ REMOTE ALARM OR
CUSTOMER CONNECTION
SET POINT #1
CONVERSION
SET POINT #2
CONVERSION
COM
RELAY #2
}
NO
NC
SET POINT #1 HYSTERESIS
RIGHT INCREASING
LEFT DECREASING
SET POINT #2 HYSTERESIS
RIGHT INCREASING
LEFT DECREASING
SOLID STATE OUTPUT (24VDC 30mA)
PIEZO ELECTRIC ALARM - PA™ OR
REMOTE ALARM - RA™ OR
CUSTOMER CONNECTION
SET POINT #2 (high)
ADJUST
Figure III.A.4
CHS GND
REMOVE TO INSTALL
SECOND RELAY
HYS1SP1FS SW
FUSE*
115/
230
-121
2000µS
UP
}
SC/SCO
OPTIONAL
SECOND
ALARM/
CONTROL
MODULE
#2 RELAY
LIGHTS &
SWITCH
CONNECTOR
TRANSFORMER
RUBBER TAPE
(DO NOT
REMOVE)
RELAY #1
}
COM
{
POWER
AC LINE/ +DC
AC NEUTRAL/ -DC
GROUND
NC NO
PWR C GD NC NO CM
BK WT RD GN NU R- R+
CM NO NC
RA
SPC
INC
DIS
CAL
INC
3S
PA
FULL SCALE
PUSH TO TEST
751 756
752 757
753 758
754 759
INC
DEC
SPC
SET POINT #1 (low)
ADJUST
PA

Myron L 750 II Series Specifications

General

Brand	Myron L
Model	750 II Series
Category	Controller
Language	English