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Omega PHCN-37 Quick Start Up Manual page 2

Microprocessor-based ph controller
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START HERE
l
Using This Quick Start Manua
Use this Quick Start manual to set up your pH
Controller and begin operation. Information is provided
on how to:
Mount the controller
Connect ac Power
Connect a pH electrode
Calibrate the controller prior to use
For complete information on this controller, refer to the
Operator's Manual.
Before You Begin
In addition to the meter and the related parts, you will
need the following items to set up your meter:
ac power, as listed on meter's ID/Power Label
pH electrode (with BNC input connector)
1
" flat blade screwdriver
8
Mount the Unit
PANEL THICKNESS
6,4 (.25) MAX
0,8 (.03) MIN
1. Cut a panel opening using
the dimensions shown to
1,5
R(.06)
45,00 + 0,61/-0,00
the right.
4 PLCS
(1.772 + .024/–.000)
2. Position the unit in the
92,00 + 0,81/–0,00
opening, making sure the
(3.622 + .032/–.000)
front bezel gasket is flush
to the panel.
NOTE: Dimensions in Millimeters (Inches)
3. Slide on mounting bracket to secure.
Connect ~ ac Power
Warning: Do not connect AC power to your device until you
have completed all input and output connections. This
device must only be installed by a specially trained
electrician with corresponding qualifications. Failure to
follow all instructions and warnings may result in injury!
1. Remove the panel at the back of the unit.
2. Locate the TB1 connector.
3. Insert the correct wire in each terminal as shown in the
following figure and tighten the lockdown screws.
4. Tug gently on the wires to verify the connections.
TB1
pH INPUT
1 2 3 4 5 6
TB2
7 8 9 10
11 12
1 2 3
LINE
NEUTRAL
SWITCH
FUSE
EARTH
(L) LINE
AC Power
(N) NEUTRAL
GREEN WIRE
EARTH GROUND
Check for proper Earth grounding in the power
distribution system (single phase).
2
Connect the pH Electrode
1.
Secure the pH electrode to the pH input BNC
connector on the back of the controller.
TB1
pH Input
1 2 3 4 5 6
TB2
+ -
7 8 9 10
11 12
1 2 3
pH Electrode
2.
If you are using automatic temperature
compensation (ATC), connect the RTD as shown
below.
TB1
1 2 3 4 5 6
TB2
+ -
7 8 9 10
11 12
1 2 3
RTD
Apply Power
1.
Apply ac power to the unit.
The unit initializes, flashing the following
messages: r r s s t t , p p h h , i i n n i i t t . Then a pH value
appears.
2.
Verify that a value appears. If not:
Remove ac power.
Verify the TB1 power connections.
Check your power source.
Apply ac power again.
3
To Select Temperature
Compensation Mode:
1.
Press MENU. The controller
displays:
2.
Press
T/mV to display the
SETPTS
/pH
current setting.
3.
Press
/pH to change to the
desired setting. Choices are:
OFF = the controller uses a
constant 25ºC for temperature
SETPTS
/pH
compensation.
MANU = the controller uses a manually entered
value for temperature compensation.
METR = the controller uses the RTD input for
automatic temperature compensation.
4.
Press MENU to select the temperature
compensation setting shown. The controller
displays.
SETPTS
/pH
T/mV
MENU
RESET
/pH
SETPTS
T/mV
MENU
RESET
To Set The Decimal Point Position:
1.
If it's not already shown, press
MENU until the controller
displays d d e e c c . . p p .
/pH
2.
Press
T/mV. The controller
SETPTS
T/mV
displays:
3.
Press
/pH to move the decimal point to the
desired location. The choices are f f f f . . f f f f , f f f f f f . . f f , or
f f f f f f f f .
4.
Press MENU to select the decimal point position
shown. The controller displays:
/pH
SETPTS
/pH
T/mV
MENU
RESET
SETPTS
T/mV
MENU
RESET
4
Calibrate the Controller:
1.
If it's not already shown, press MENU until the
controller displays r r d d . . c c f f .
2.
Press
T/mV. The controller
T/mV
MENU
RESET
displays r r . . 1 1 = 2 2 or r r . . 1 1 = 3 3
(2 or 3 point calibration).
3.
Press
/pH to select the
desired calibration type.
T/mV
MENU
RESET
4.
Press
T/mV to display
r r . . 2 2 = f f or r r . . 2 2 = c c
(temperature unit of F or C).
5.
Press
/pH to select the
desired temperature unit.
6.
Press MENU to select the calibration. The unit
displays.
SETPTS
/pH
T/mV
MENU
RESET
7.
Proceed with Calibration depending on
Temperature Compensation Setting:
If you choose OFF, go to "To Perform
Calibration" section.
If you choose METR, ensure the RTD is
MENU
RESET
properly connected and go to "To Perform
Calibration" section.
If you choose MANU, configure temperature
as described in the next section.
=
SETPTS
/pH
T/mV
MENU
RESET
=
/pH
SETPTS
T/mV
MENU
RESET
SETPTS
/pH
T/mV
MENU
RESET

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