1. Page 1 Koasis II Specifications & Operation

2. Page 2 1.System Design Map Water Tank Fertilizer Tank A Fertilizer Tank B Fertilizer Tank C Filter Automatic Pump Tube Well Valve 2 Feed Pump 1HP Filter 2 Mix Tank Hydronic Valve Controller Water Pump 2HP Valve 2 Ventury/Flow meter Manometer Filter 2 Filter Valve 3/4 Solenoid Valve 1~12 Area Design Water Tank Tube Well : Maintain a plenty of water Automatic Pump : Install Auto-controlling water level Filter : Filter substance of water Mix Tank Hydronic Valve : Maintain continuity/stability of water Mixing Tank : Mix fertilizer from a Ventury Tank Volume : 200 L Controller Irrigate by fix time Control fixed EC/pH value CPU : Micom( Auto-controlled distributing board) Option : Add a function of Ph SEO WON CO., LTD http://www.seowonco.com/eng

3. Page 3 2HP Pump EC Sensor Hydronic Valve Manometer 2. SW-1004E SYSTEM 1.System Detail SW-1004E (EC Controlled Fertilizing System) Irrigated Ability (MAX)22,000 L / H Supply Fertilizer30 ~ 300 L / H (Optional:PH) ControlControl by ratio of fixed value VolumeWidth 107Cm × Length 92Cm × Height 110Cm Weight110Kg Power Supply Three phases four-wire system AC380V/60Hz / Single phase AC220V 2.Contents LCD Mix Tank : 200 L Switches Electric board Aluminum frame Ventury Solenoid Flow meter In/Out board Keyboard(20keys) Adjust Height Lock SEO WON CO., LTD http://www.seowonco.com/eng

4. Page 4 3. SW-1004 CHARACTRISTICS System Characteristics ContentsRemarks Control Time Control : Irrigate by hour/minute (MAX: 24 times) Interval Control : Irrigate by hour/minute (MAX: 99 times) Light Control : Irrigate by light (Optional) Irrigation Time Irrigation : Cover areas individually by fixed time (M:S) Solenoid Valve Control total 12 areas Add areas (Optional) Program EC / PH : Set up EC/PH value by areas Fertilizer ON/OFF : Set by time Report : Data for the day & 15 days irrigation Alarm : EC over value(+1)/PH under value(-1) alarm and stop function Test : Feed pump, water pump, and solenoid valve test function Simple : Simple one time watering (One Touch Function) Pause : Emergency stop (One Touch Function) Trouble shooting : print instruction when error occurs Hardware LCD( width 40 X length 4 ) Hydronic Valve : Maintain continuity/stability of water (From Water Tank) Pressure Valve : Control stable pressure of water Exclusive valve & fitting with chemical resistance 40mm Aluminum Firm Body Non-corrosion control panel SEO WON CO., LTD http://www.seowonco.com/eng

5. Page 5 4. controller Instructions Large LCD Screen with backlight installed. Numeral punching key – punch in for set up values in each mode. # : delete for target no. ///: use for moving the cursor at each mode Menu : shows all set up menus and use at any screen. Emergency Irrigation: pressure this button once at discretion when not in irrigation set up time. Pause : press this button for operation stop and re button for restart. Enter : press this button after punching in set up values completely. Material : Aluminum - no rusty and solid. Power Switch Board Waterworks : waterworks motor run. - Manual - Pause -Automatic Mixing: Irrigation motor run - Manual - Pause - Automatic - Power Switch- On & Off Preliminary switch for PH option. Fertilizer A: fertilizer solenoid valve -Manual: supply fertilizer manually -Stop: stop supplying fertilizer -Automatic: supply fertilizer automatically Fertilizer B: fertilizer solenoid valve -Manual: supply fertilizer manually -Stop: stop supplying fertilizer -Automatic: supply fertilizer automatically http://www.seowonco.com

6. Page 6 5. Start & Menu Screen Current Date / Time Start Screen Number of Irrigation done today Time control/ Interval control Current EC value Irrigation time cycles Scheduled irrigation interval Current pH value (optional) Menu Screen General screen display when the power is ON. Press Menu button to switch the screen. Press numbers in a keyboard to enter the menu. Time/ Date/ Cycles setting mode Irrigation Time setting mode Irrigation amount per block and EC value per block setting mode Manual irrigation (one time) in an emergency Pump/ Fertilizer solenoid vale & electric valve testing mode Irrigation report for the past 15days The numbers showing on the start screen shall determine from input numbers on The numbers showing on the start screen shall determine from input numbers on Time and Interval control. Time and Interval control. SEO WON Co.,Ltd. http://www.seowonco.com

7. Page 7 6. Time/ Date/ Irrigation Cycles/ Control Method & Irrigation Time Setting Mode Current date setting Time/ Date/ Irrigation Cycles/Control Method Setting Mode Irrigation cycles setting (Interval from 1~ 9 days) Control setting 1. Time setting (standard) 2. Time interval setting (standard) Current Time setting Control instructions Irrigation starts when remaining irrigation days becomes 0 (zero). Irrigation Time setting(Time control )- standard Press Menu button Press Number 1 Setting Time/ Date/ Irrigation cycles, Controlling. Cursor movement : press / button Press Enter to save program. Irrigation sequence (24times possible daily) Irrigation Time: Hour setting Irrigation Time: minute setting 1 indicates irrigation with fertilizer. 0 indicates without fertilizer Press Menu button Press Number 2 set irrigation time Cursor movement: : Press / / / button (press to move next page ) Irrigation cycles : 1 ~ 24 times setting Set irrigation time which not using to be 0 (hour) & 0 (minutes). Fertilizer dosing: Set number 1 when setting irrigation time. 0 without fertilizer. Press Enter to save program Press or to see 9 th irrigation sequence http://www.seowonco.com Set 0 & 0 for irrigation time which not using.

8. Page 8 7. Irrigation Time setting ( Interval control) Irrigation Start time Irrigation End time: Set end time regardless of remaining irrigation cycles. Irrigation interval: Set time from start to next sequence time Fertilizer dosing:1 indicates irrigation with fertilizer. 0 indicates without fertilizer Press Menu button press number 2 irrigation interval setting Cursor movement : press / button Irrigation cycles: up to 99 times possible Fertilizer dosing: Set number 1 when setting irrigation time. 0 without fertilizer. Press Enter button to save program Remaining cycles: Cycles that left from already set no. of cycles. Irrigation cycles setting (1~99 times) Irrigation Time setting (Interval control)- Standard http://www.seowonco.com

9. Page 9 8. Irrigation amount per block / EC amount / Emergency Irrigation setting mode Irrigation block Irrigation amount per block / EC value setting Irrigation amount setting M Irrigation amount setting S Set pH value on crops per block Set 0 (zero) for blocks not using. Emergency Irrigation mode Press Menu button: press number 3 move to irrigation setting mode screen Cursor movement : press /// button Possible for multi crops by setting EC / Ph amount Press Enter to save program Set EC value on crops per block Press Menu button: press number 4 start Ready to use irrigation once ( same function as indicated Emergency Irrigation in the keyboard) Press Enter to exit the program http://www.seowonco.com

10. Page 10 9. Output test and irrigation report view Water supply pump test Output test Irrigation pump test Section electric valve test Fert. (B) valve test Fert.(A) valve test Irrigation report screen movement : press MENU key press number 5 output test check whether Pump 1/Pump 2/Dosing solenoid valve/Electric valves per section operate or not cursor movement: / / / exit: ENTER/MENU Previous day view Irrigation reportMonth Irrigation reportDate Total irrigation amount (minute) for the day Fert. (C) valve test screen movement : press MENU press number of 6 irrigation report view cursor movement : / saving date : irrigation amount (time) & irrigated times for last 15 days exit : ENTER Total irrigated times for the day Section Current radius view Current EC view Current pH view Radius sum: total radius amount for the day SEO WON CO., LTD http://www.seowonco.com

11. Page 11 10. Output Status and Error Report Screen irrigation pump running check Output Status current EC value indication setting time per section irrigating section remaining irrigation time Fertilizer Warning & Running Stop Appears automatically during irrigation Able to change Setting Values of part mode during irrigation. Return to initial screen after irrigation. fertilizer valve running check Sounds an alarm if the EC value is over I and pass 30seconds during irrigation. When it passes 30seconds after alarm, system running stops with below screen. Follow up the screens instructions and press HALT, Then, start again to operate. Continue to operation : HALT key Water supply running check current PH value indication Can stop the operation by pressing HALT button. If you want to operate again, press HALT button. HALT in operation SEO WON CO., LTD http://www.seowonco.com

12. Page 12 11. System Maintenance 1. Daily Check the system irrigates normally or not irrigation volume check EC / PH measurement of soil and culture ground 2. Weekly Cleaning all filters Fertilizer volume check of fertilizer tank Ventury check and cleaning EC / PH sensor cleaning 3. Monthly Drip tape check and cleaning Check whether all valves operate normally Normal operation check of other equipment and facility 4. After cultivation Culture ground and soil sterilization Culture ground cleaning by water Fertilizer supply piping cleaning SEO WON CO., LTD http://www.seowonco.com

13. Page 13 EC Converter ZERO (standard value) adjustment method ZERO Adjustment of EC Converter 1. Prepare EC standard solution. (if there is no standard solution, prepare EC portable whose close to standard value) 2. Prepare - driver. (a kind of clock driver) 3. Remove EC sensor from SW-1004E system. 4. Put EC sensor into the standard solution or the solution which is checked with EC portable. 5. Open cabinet in front of system and find the EC converter. 6. Turn on system power and check the Current EC value of the initial screen. 7. Adjust by turn right or left SPAN volume in the center of the EC converter by using driver. 8. Set to the EC value which is checked with standard solution or EC portable. 9. Adjust exactly by repeating more than 3 times. Never adjust other volumes of EC converter. Put the EC sensor into the solution as deep as possible. ZERO adjustment drive Never adjust!! ZERO SPAN ZERO adjustment volume SPAN about 10 round adjustment to left/right Never adjust!! ZERO 4mA SPAN 20mA EC sensor connecting parts (from left side) 1, 2, 3, 4, T1,T2, G EC Sensor Management Tip 1. Check and adjust ZERO by using standard solution once a month. 2. Clean the sensor surface by smooth cloth once a week. SEO WON CO., LTD http://www.seowonco.com