Myron L 729II - Manual (Page 14)

4. Slide the enclosure through the panel cutout
until its flange contacts the panel.
5. Insert mounting screws through the flange
mounting holes and tightly secure.
6. Reconnect all panel cable(s)/wires and re-
secure the front panel using 6-32 x 3/8” screws
provided.
Caution: Do not use 6-32 x 1/2” used on “picture frame” front
panel models.
C. CIRCUIT BOARD AND DISPLAY MOUNTING
This section provides the recommended procedures for properly
installing the OEM 720 Series II pH/ORP Monitor/controller.
NOTE: Mounting of the OEM monitor/controller circuit board is
left up to the OEM. It is recommended that the following be noted
and observed.
1. CIRCUIT BOARD
Total height of CB is 1.40” (36mm).
The circuit board has four .175” (4.4 mm) holes for mounting. The
centers are 3.10” (78.7 mm) x 4.10” (104.1 mm) see figure II.C.1.
CB must be mounted on at least .250” (6.35 mm) standoffs to
prevent shorting to metal chassis (standoffs user supplied).
CB must be mounted in a clean and dry environment.
Allow working room for inserting wires, testing and calibration.
Indicator lights and switches require 1/4” (6.35mm) holes.
2. METER MOVEMENT
Refer to figure II.C.2 for dimensions.
1. Cut opening in user panel.
2. Drill four holes at locations as shown.
3. Install meter movement.
3. DIGITAL DISPLAY
Refer to figure II.C.3 for dimensions.
1. Cut opening in user panel
2. Install LCD with brackets supplied.
10
3.100
(78.74)
4.100
(104.1)
4.585
(116.5)
3.600
(91.44)
Figure II.C.1
Figure II.C.3
2.390
(60.71)
.980
(24.89)
Digital Display Cutout Pattern
Figure II.C.2
.125 X4
2.218 Dia.
.940
1.880
.940
.940
(23.88) (23.88)
(23.88)
(3.125)
56.34 (47.75)
Analog Meter Hole Pattern