Myron L 729II User Manual

Page 53

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49

a. For a Conductivity/TDS Monitor/controller, as

shipped from the Myron L Company, the alarm will

sound off when the Full Scale Test Switch is

pressed.

b. For a Resistivity Monitor/controller, as shipped

from the Myron L Company, the alarm will sound

off when the power is applied and stop when the

Full Scale Test Switch is pressed.

c. If the Set Point Conversion (SPC) jumpers have

been reversed, the opposite will be true in the

above descriptions.

2. Turn power OFF.

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 four (4) screws and tighten.

3. To operate, turn power ON.

MYRON L

COMPANY

PA Connection

(may use either

connector)

Figure III.I.4

CHS

GND

HYS1

SP1

FS SW

FUSE*

115/

230

-121

2000µS

UP

}

DIS

CAL

3S

PA

RA

FULL SCALE

PUSH TO TEST

INC

DEC

SPC

751 756

752 757

753 758

754 759

MAIN CB ASSEMBLY

Figure III.I.3

FRONT PANEL

Rear View

Red LED(s)

Green

LED

Piezo

Alarm

Guides (4)

Figure III.I.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

REMOVE T

O INST

ALL

SECOND RELA

Y

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