Myron L 729II - Manual (Page 45)

41
REASSEMBLY
Before reassembly, ensure set point control is set to desired trip
point.
1. Carefully reinstall the front panel, bottom first. Ensure no
wires have been pinched between enclosure and front
panel.
2. Reinstall the screws and tighten.
3. To operate, turn power ON.
MYRON L
COMPANY
HYS1 SP1
SP
AN
ZERO
7 pH/ZERO mV
PUSH TO TEST
SET POINT
#1 CONTROL
SET POINT #1
HYSTERESIS
RIGHT INC
LEFT DEC
SPAN (GAIN)
PUSH TO TEST
PA Connection
(may use either
connector)
Figure III.F.4
CHS GND
FUSE*
115/
230
UP
}
ZERO SPAN
3S
PA
RA
DEC
SPC
MAIN CB ASSEMBLY
Figure III.F.3
FRONT PANEL
Rear View
Red LED(s)
Green
LED
Piezo
Alarm
Guides (4)
Figure III.F.5
OR
SC MODULE
Main CB NOT shown for clarity
PA
PWR C GD NC NO CM CM NO NC
BT WT RD GN NU R- R+
TRANSFORMER
ORP ZERO
DIS
INC
pH
721 726
722 727
723 728
724 729
DO NOT
ADJUST
CONFIGURATION
MODULE
REMOVE T
O INST
ALL
SECOND RELA
Y