Hanna Instruments HI 9910 User manual

Instruction Manual
HI 9910 - HI 9911
HI 9920
Wall Mounted
pH & ORP
Controllers
http://www.hannainst.com TheseInstrumentsarein
Compliancewiththe CE Directives
pH
0SECONDS
pH2.00
TIMER
MINUTES
90
0.5
45
1
1.5
COARSEFINESLOPE
OFFSET
ALKALINESET
ACID SET
PROPORTIONALSETTINGS
110
2.5
5
7.5
ACID
ALARM
ON
OFF
SET
READ
ACID
ALK
ACID
FEED
ALK
MTC
°C
-1080
10
0
30
2060
70
4050
110
2.5 57.5
ALK
HI 99
pH
0
1
2
ALARM
MTCATC
mAOUTPUT
TEMP.C
OMP.
4/200/20
ALARM
LINE
SETALK
SETACID

2
PRELIMINARY EXAMINATION .....................................................3
GENERALDESCRIPTION.............................................................3
MECHANICALLAYOUTS ............................................................. 4
FUNCTIONAL DIAGRAM HI 9910 ...............................................6
FUNCTIONAL DIAGRAM HI 9911 ...............................................9
FUNCTIONAL DIAGRAM HI 9920 ............................................. 12
CONNECTIONS& WIRING ....................................................... 14
NORMAL OPERATION & MEASUREMENT ................................... 19
pH CALIBRATION ................................................................... 20
ORP CALIBRATION ................................................................. 22
ADJUSTEMENT OFSETPOINT(S) ............................................... 23
PROPORTIONAL CONTROL ...................................................... 26
OVERDOSAGETIMER............................................................... 29
pH VALUES AT VARIOUS TEMPERATURES................................. 30
REDOXMEASUREMENT(HI 9920)............................................ 31
ELECTRODECONDITIONING &MAINTENANCE............................. 33
SUGGESTEDINSTALLATIONS FORpH/ORPELECTRODES.............. 34
ACCESSORIES......................................................................... 35
WARRANTY ............................................................................ 37
OTHER PRODUCTS FROM HANNA ............................................ 38
CEDECLARATION OFCONFORMITY ........................................... 39
ISO 9000 Certified
Company since 1992
TABLE OF CONTENTSTABLE OF CONTENTS
TABLE OF CONTENTSTABLE OF CONTENTS
TABLE OF CONTENTS
DearCustomer,
Thank you for choosing a Hanna Product.
Please read this instruction manual carefully before using the
instrument. This manual will provide you with the necessary
information for a correct use of the instrument, as well as a more
precise idea of its versatility. If you need more technical informa-
tion, do not hesitate to e-mail us at [email protected].
These instruments are in compliance with the directives
EN50081-1, 50082-1and 61010-1.

3
PRELIMINARY EXAMINATIONPRELIMINARY EXAMINATION
PRELIMINARY EXAMINATIONPRELIMINARY EXAMINATION
PRELIMINARY EXAMINATION
GENERAL DESCRIPTIONGENERAL DESCRIPTION
GENERAL DESCRIPTIONGENERAL DESCRIPTION
GENERAL DESCRIPTION
Remove the instrument from the packing material and examine it
carefully to make sure that no damage has occurred during shipping.
If there is any noticeable damage, notify your Dealer.
Note: Save all packing materials until you are sure that the
instrument functions correctly. Any defective item must be
returned in the original packaging together with the supplied
accessories.
IMPORTANT:
1. Read the instructions before using the instrument.
2. The instrument should be connected to a mains socket.
3. Never install the controller outdoors, in a wet or humid area or
under direct sun light. Nor install the controller where liquids may
be sprayed or poured on it.
4. The instrument’s main power line as well as the dosage and
alarm terminals are protected by separate 2A fuses. Use only 2A
fusesfor replacement.
Hanna's wall-mounted pH and ORP controllers with proportional
controlare designedto meet avariety ofprocess control requirements.
The electrodes can be installed quickly and easily. Simply plug the
universal BNC connector into the socket and twist it into a secured
position. Accurate measurements are displayed on a large LCD.
Thecontrollers come equippedwith relays operatingat a maximumof
2A(240V).
The Hanna controllers incorporate a triple contact alarm system.
When activated, the alarm contacts will open or close, triggering the
mechanism of your choice, whether a buzzer, light or any other
electricaldevice.
Therecorder output terminals are isolated from the controller circuitry
to avoid any interference and are user-switchable between 0 to 20
mA or 4 to 20 mA.
In order to avoid electrical noise and interference all models provide
for a ground probe (differential input).
These controllers are housed in a rugged, modular, fiber-reinforced
ABS housing.

4
Figure 2 illustrates the controls and terminals on the HI 9910 pH
controller. Layouts vary from model to model based on their features
and capabilities.
MECHANICAL LAYOUTSMECHANICAL LAYOUTS
MECHANICAL LAYOUTSMECHANICAL LAYOUTS
MECHANICAL LAYOUTS
BNC CONNECTOR FOR ELECTRODE
WIRING ACCESS
PORTS
4 mm BANANA SOCKET
FOR GROUND PROBE
pH
0
1
2
ALARM
MTC ATC
mA OUTPUT
TEMP.COMP.
4/20 0/20
HI 9910
pH
SECONDS
090
45
MTC
°C
-10 80
10
0
30
20 60
70
40 50
0pH 2.0
0.5
1
1.5
COARSE FINE SLOPEOFFSET
PROPORTIONAL SETTINGS
ALARM
ON
OFF
SET
READ
ACID
DOSING
ALK
SET POINT
ALARM DOSING TIME
MINUTES
110
2.5
5
7.5
SET pH
ALARM
LINE
LCD DISPLAY
CALIBRATION
TRIMMERS
CONTROL KNOBS
AND SWICHES
OUTPUT CONTACTS
TEMP. COMPENSATION
SWITCH
DOSING TERMINALS
POWER SUPPLY
TERMINALS
ALARM CONTACTS
Fig. 2
Fig. 1
Figure 1: displays the connector for electrode and the wiring access
ports.
All models can be wired to work with 110/115V or 220/240V
50/60Hz powersupplies.
The models covered in this manual are:
HI9910 a single setpoint pH controller
HI9911 a dualsetpoint pH controller,specificallydesigned for
all those applications in which the pH value intends to
oscillate both up and down
HI9920 ORP controller, designed for numerous industrial
applications, but in particular for swimming pools and
drinking water sanitation

5
3.8“
96.9 mm
25 mm
1“
75 mm
3“
Fig. 3
227.8 mm
9“
188.6 mm
7.4“
221.8 mm
8.7“
174.8 mm
6.9“
Fig. 4
Figure 3 is a dimensioned, bottom view of the wall mounted
controllers. The modular design isolates the control circuitry from the
contacts making it possible to make the connections and then close
the compartment. Adjustments can then be made only in the control
area, without having to open the contacts compartment.
Figure4 is a dimensioned frontview of the wall mountedcontrollers.
The molded, mounting holes in the corners provide for quick and
secure installation. No additional hardware is needed for mounting.
All electrical connections and controls are located on the front of the
instrument so that adjustment can be made without having to
remove the unit.

6
FUNCTIONAL DIAGRAM HI 9910FUNCTIONAL DIAGRAM HI 9910
FUNCTIONAL DIAGRAM HI 9910FUNCTIONAL DIAGRAM HI 9910
FUNCTIONAL DIAGRAM HI 9910
SINGLE SETPOINT,SINGLE SETPOINT,
SINGLE SETPOINT,SINGLE SETPOINT,
SINGLE SETPOINT, pp
pp
pH CONTROLLERH CONTROLLER
H CONTROLLERH CONTROLLER
H CONTROLLER
pH
0
1
2
ALARM
MTC ATC
mA OUTPUT
TEMP. COMP.
4/20 0/20
HI 9910
pH
SECONDS
090
45
MTC
°C
-10 80
10
0
30
20 60
70
40 50
0pH 2.0
0.5
1
1.5
COARSE FINE SLOPEOFFSET
PROPORTIONAL SETTINGS
ALARM
ON
OFF
SET
READ
ACID
DOSING
ALK
SET POINT
ALARM DOSING TIME
MINUTES
110
2.5
5
7.5
SET pH
ALARM
LINE
1
2
3
4
5
6
7
8
9
10
11
12
14
13
15
16
17
18
19
20
21
22
23
FRONTPANEL
Left panel
1. Liquid Crystal Display
2. Slope calibration trimmer
3. Finesetpoint trimmer
4. Coarsesetpointtrimmer
5. Offsetcalibrationtrimmer
6. Dosing LED visual signal
7. READ for actual measurement and SET for setpoint
adjustment
8. AcidorAlkaline Dosage selection
9. Alarm LED and switch to disable the alarm
10. Graded dial for Manual Temperature Compensation
11. Overdosage timer
12. Proportional pH band and time cycle settings
Right panel
13. pH alarm setting from 0 to 2 pH
14. Short the terminals if a ground probe is not in use, or
connect the ground probe wire to the Matching Pin terminal
15. Three-wire Pt 100 plus a shield protection

7
Unplug the instrument from the power supply before
wiring and replacing the fuses.
24 25
24. Female BNCsocket for combinationpH electrode
25. 4-mm Banana socket for ground probe
16. Recorderoutputcontacts
17. Automatic or Manual Temperature Compensation switch
18. 0 to 20 or 4 to 20 mA isolated output switch
19. Triple contact alarm in a Normally Closed (NC) or a Normally
Open (NO) position.
20. Powered dosageterminals (Relay)
21. 110/115Vor220/240Vpowerconfiguration
22. Incomingpowerterminals
23. Fuses
BOTTOM VIEW

8
Specifications HI9910
RANGE 0.00to14.00pH
RESOLUTION 0.01pH
ACCURACY ±0.02 pH
(@20°C/68°F)
TYPICALEMC ±0.1 pH
DEVIATION
mAOUTPUT User-selectable0 to20 mA or4 to 20mA
over the 0-14 pH range with isolated output
CALIBRATION Through "OFFSET" and "SLOPE" trimmers
(Max. ±1.5 pH for offset and 80% to 110% for slope)
SETPOINT From0.00to14.00pH with"COARSE" and"FINE"
RANGE trimmers with "ACID" or "ALK" (alkaline) selection
PROPORTIONAL pH is user adjustable from 0.0 to 2.0 and
CONTROL timecyclefrom 0to 90seconds
DOSINGTERMINALS Relayterminals(115to240V,Max.2A,1,000,000
strokes)areactivated whenpH exceedsthe setpointwith
“ACID”dosageor fallsbelow thesetpoint with“ALK”
selection(Alkalinedosage)
ENVIRONMENT -10 to 50 °C (14 to 122 °F)
max. 95% RH non-condensing
WEIGHT 1.6Kg (3.5lb.)
ENCLOSURE 181x221x142mm(7.1x8.7x5.6")
CASE MATERIAL Fiber-reinforced, self-extinguishing ABS
POWER SUPPLY 220/240Vor110/115Vat50/60Hz
TEMPERATURE
COMPENSATION Manual from -10 to 80 °C (14 to 176 °F) or
automatic with a 3-wire Pt 100 probe from 0 to 50
°C (32 to 122 °F)
ALARM
CONTACT Terminals can be configured as normally open or
normallyclosed (isolatedoutput Max. 2A,Max.240V,
resistiveload, 1,000,000strokes). Thealarmis
activated if pH varies by more than user-selectable
interval(0to2pH)fromsetpoint ordue tooverdosage

9
FUNCTIONAL DIAGRAM HI 9911FUNCTIONAL DIAGRAM HI 9911
FUNCTIONAL DIAGRAM HI 9911FUNCTIONAL DIAGRAM HI 9911
FUNCTIONAL DIAGRAM HI 9911
DUAL SETPOINT,DUAL SETPOINT,
DUAL SETPOINT,DUAL SETPOINT,
DUAL SETPOINT, pHpH
pHpH
pH CONTROLLERCONTROLLER
CONTROLLERCONTROLLER
CONTROLLER
pH
0SECONDS
pH 2.0 0
TIMER
MINUTES
90
0.5
45
1
1.5
COARSE FINE SLOPEOFFSET
ALKALINE SET
ACID SET
PROPORTIONAL SETTINGS
110
2.5
5
7.5
ACID
ALARM
ON
OFF
SET
READ
ACID
ALK
ACID
FEED
ALK
MTC
°C
-10 80
10
0
30
20 60
70
40 50
110
2.5 57.5
ALK
HI 9911
pH
0
1
2
ALARM
MTC ATC
mA OUTPUT
TEMP. COMP.
4/20 0/20
SET ACID
ALARM
LINE
SET ALK
1
2
3
4
5
6
7
8
9
10
11
12
14
13
15
16
17
18
19
20
21
22
23
FRONTPANEL
Left panel
1. Liquid Crystal Display
2. Slope calibration trimmer
3. Fine setpoint trimmers for acid and alkaline feed
4. Coarse setpoint trimmers for acid and alkaline feed
5. Offsetcalibrationtrimmer
6. Dosing LED signals for acid and alkaline feed
7. READ for actual measurement and SET for setpoint
adjustment
8. AcidorAlkaline selection for setpoint
9. Alarm LED and switch to disable the alarm
10. Graded dial for Manual Temperature Compensation
11. Two independentoverdosage timers
12. Proportional pH band and time cycle settings
Right panel
13. pH alarm setting from 0 to 2 pH
14. Short the terminals if a ground probe is not in use, or
connect the ground probe wire to the Matching Pin terminal
15. Three-wire Pt 100 plus a shield protection
16. Recorderoutputcontacts
17. Automatic or Manual Temperature Compensation switch

10
Unplug the instrument from the power supply before
wiring and replacing the fuses.
24 25
24. Female BNCsocket for combinationpH electrode
25. 4-mm Banana socket for ground probe
18. 0 to 20 or 4 to 20 mA isolated output switch
19. Triple contact alarm in a Normally Closed (NC) or a Normally
Open (NO) position.
20. Powered dosageterminals (Relays)
21. 110/115Vor220/240Vpowerconfiguration
22. Incomingpowerterminals
23. Fuses
BOTTOMCONNECTION