Myron L CTCIITD - Manual (Page 4)

CTCII
CHEMICAL TREATMENT CONTROLLER
(COOLING TOWER CONTROLLER)
QUICK REFERENCE GUIDE!
If you read nothing else in this
manual please read this
Quick Reference Guide.
PLEASE READ and COMPREHEND ALL
WARNINGS, CAUTIONS and ADVISEMENTS
CONTAINED WITHIN THIS MANUAL.
Failure to comply is beyond the responsibility of the
Myron L Company.
WARNING: ALL CONTROLLERS ARE FACTORY SET TO
OPERATE ON 115 VAC. BEFORE APPLYING POWER ENSURE
THE INPUT POWER “115/230 VAC” SELECTION IS CORRECT
FOR YOUR REQUIREMENTS. FAILURE TO DO SO IS BEYOND
THE RESPONSIBILITY OF THE MYRON L COMPANY. See
section II.D.1. and figure II.E.1.
WARNING: ENSURE POWER IS OFF WHILE INSTALLING
ELECTRICAL EQUIPMENT. IF MONITOR/CONTROLLER
IS INSTALLED, ENSURE THE POWER IS OFF BEFORE
SERVICING. FAILURE TO DO SO COULD CAUSE DAMAGE
TO THE INSTRUMENT, AND COULD BE HARMFUL OR FATAL
TO PERSONNEL. ONLY QUALIFIED PERSONNEL SHOULD
INSTALL OR SERVICE ELECTRICAL EQUIPMENT.
CAUTIONS: Before installation, ensure you have the correct
model (with options), AND it is scaled for your application.
See sections I.A. & I.B.
Do you have the correct sensor? See section I.E.
Mounting requirements. What is needed? See section II.B.
The following will give the installer and user a quick
overview. See the sections listed for details.
REMOVING FRONT PANEL
1. Using a Phillips Head screwdriver remove the four (4)
screws on the clear cover.
2. Remove clear cover.
3. The front panel is held in place with hook & loop strips
on each side. By carefully lifting at the slot on the top,
the front panel will pull toward you. Do not pull more than
about 8 inches/20CM.
DO NOT pull on control knob(s).
4. Rotate the front panel down so that the back side is
facing you. The Main Circuit Board is mounted to the
back of the front panel.
REASSEMBLY
1. Carefully reinstall the front panel.
2. Reinstall the clear cover.
3. Reinstall the four (4) screws and tighten.
4. If desired, install corner covers.
5. To operate, turn power ON.
INTRODUCTION - Section I.
This section covers the specifications of your new CTCII
Chemical Treatment Controller including sensor information.
INSTALLATION - Section II.
This section covers how to install your new CTCII Chemical
Treatment Controller; mechanically and electrically.
OPTIONS & ACCESSORIES - Section III.
This section covers the specifications, installation, set up, and
operation of each option.
OPERATING PROCEDURES - Section IV.
This section covers a brief description of different models and
their features; how they work, and how to set them up for your
particular use.
QUICK CHECK-OUT PROCEDURE -
See Section IV.B.1.
It is assumed that the Controller power is ON, that it is connected
to an appropriate sensor, and that the sensor is immersed in water
within the range that the Controller will be required to operate, and
the clear lid is removed from the Controller.
1. Rotate the large Set Point Control knob on the front
panel through its entire range.
2. Verify that the set point indicator light changes from RED
to GREEN and visa versa.
3. Verify that the relay clicks, and controls the bleed valve
and/or chemical feed pump.
4. Adjust the set point control to the desired set point value.
5. Re-install clear cover.
HYSTERESIS (DEAD BAND) ADJUSTMENT -
See Section IV.B.3.
PRIMARY COMPONENT IDENTIFICATION -
Section V.A.
Review the figure on the following page to familiarize yourself with
the Main circuit board assembly. The diagram shows the Limit
Timer and the optional 4-20 mA Output module installed.
QUICK CALIBRATION - Section V.B.
WARNING: When performing calibration procedures, the
technician must take extreme care to avoid contacting the
circuitry other than the CALibration control. Failure to do so
could result in damage to the equipment, property and/or
personal injury.