Myron L 729II - Manual (Page 36)

5. OEM INSTALLATION
An OEM installation requires an additional display harness, part
number TPMH. This harness is installed between the Temperature
Module and the panel display as shown in figure III.C.14. Both
connectors must be installed with the wires down or toward the
bottom of the circuit board.
32
MYRON L
COMPANY
DISPLAY SWITCH
(FRONT PANEL)
0-5VDC
OUTPUT (-)
(+)
TEMPERATURE
SENSOR INPUT
Orange
Blue
Brown
PANEL MOUNTED DISPLAY
REAR VIEW
Figure III.C.14
BK WT RD GN NU R- R+
FS ZERO DIS SP2 HYS2
CONNECT
MAIN
CIRCUIT
BOARD
DISPLAY
HARNESS
HERE
CONNECT
FRONT
PANEL
DISPLAY
HARNESS
(TPMH)
HERE
DISPLAY CONNECTION
DISPLAY
SELECT
TEMP
SENSOR
BRN
BR
BL OR
-
+
BLU
+
0-5VDC
-
INC
INC
DEC DEC
TEMP
CONTROL
HARNESS
JUMPER
OR
CHS GND
UP
}
HYS1 SP1
FUSE*
115/
230
3S
PA
RA
DEC
SPC
TRANSFORMER
Main CB Assembly
0-10VDC
OUTPUT
721 726
722 727
723 728
724 729
PWR C GD NC NO CM
TP/TPO - TEMPERATURE MODULE
REMOVE T
O INST
ALL
SECOND RELA
Y
SPC
7 pH/ZERO mV
PUSH TO TEST
SET POINT
#1 CONTROL
SET POINT #1
HYSTERESIS
RIGHT INC
LEFT DEC
SPAN (GAIN)
PUSH TO TEST
ZERO SPAN
ORP ZERO
DIS
INC
SP
AN
CONFIGURATION
pH
MODULE
ZERO
DO NOT
ADJUST
DISPLAY CONNECTION