Hanna-instruments HI 9914 Manual de usuario

1Instruction ManualHI 9914Wall mountedFertigationControllerwww.hannainst.com

1918- When the water is good for irrigation, the Feed OK LED is ON.- If any alarm condition occurs (see pag.22), the ALARM LED turns ON.The controller

2120If the CONT/PAUSE switch of the Circulation pump is inCONT position, the circulation pump will act as describedabove.If the CONT/PAUSE switch of t

2322CONTROLLER SETTINGSSETTING THE pH CONTROLTo adjust the pH setpoint:• Press the SET button close to the pH display to read the setpoint value.• Tur

2524• Turn the SET knob until the display shows the desired value.•Turn back in measurement mode by pressing the MEA button.Note: The internal pH and

2726Slope adjustment• Rinse the electrode and the ground probethoroughly with water and immerse thebottom 4 cm (1.5") in a pH10.01 (HI 7010)or a

2928pH ELECTRODE CONDITIONING& MAINTENANCEPreparationRemove the protective cap.DO NOT BE ALARMED IF ANY SALT DEPOSITS ARE PRESENT. This isnormal w

3130CONDUCTIVITY PROBE MAINTENANCEPreparationMake sure that the protective sleeve is on the probe shaft and is intact.StorageConductivity probes shoul

3332- Air bubbles also disturb measurements and the probe should beinstalled in such a way as to minimize them.Note: It is always recommended to keep

3534APPENDIX - BComposition of nutrient solution for several plants growth in hydroponicsystem utilized in nursery and cutting plants cultivation.Refe

3736APPENDIX - CINSTALLATION EXAMPLESBlock diagram for a typical installation of an irrigation system, withHI9914 controller.Block diagram for an irri

32PRELIMINARY EXAMINATIONRemove the instrument from the packing material and examine it care-fully to make sure that no damage has occurred during shi

3938CE DECLARATION OF CONFORMITYRecommendations for Users:Before using this product, make sure that it is entirely suitable for the environment inwhic

40MAN9914R1 05/05SALES AND TECHNICAL SERVICE CONTACTSAustralia:Tel. (03) 9769.0666 • Fax (03) 9769.0699China:Tel. (10) 88570068 • Fax (10) 885700

54MECHANICAL LAYOUTFront viewThe molded mounting holes in the 4 corners provide for quick and secureinstallation. No additional tool is needed. All th

76RIGHT PANEL1. Connections for matching pin2. EC analog output3. pH analog output4. Level sensors input5. Mains power fuse6. Fuse for pH and EC corre

98Bottom view1. DIN connector for EC probe2. BNC connector for pH electrode3. Wiring access portsSPECIFICATIONSConductivityRange 0.00 to 10.00 mS/cmRe

1110Typical arrangements for the Tank assemblyComplete tank assembly: all the sensors and pumps are mounted; thebest control of water composition and

1312Conductivity probe connection• Attach the conductivity probe (HI7632/D or HI3003/D) to the DINsocket located on the bottom of the controller. Alig

1514External fill button connection• Connect the buttonbetween FILL and IN-PUT COMMON pins.• The tank will be im-mediately filled withwater if the ext

1716Water nozzle, Circulation and Feeding pump connectionThe Water nozzle, Circulation pump and Feeding pump outputs arerelay type (2A, 240V). Both th