johgee HCT-379 4-Output Digital Irrigation Computer User Manual

1. Ynlieding

This manual provides detailed instructions for the installation, programming, and operation of your johgee HCT-379 4-Output Digital Irrigation Computer. This device is designed to automate watering for various applications, including gardens, lawns, and greenhouses, offering flexible and independent control over four separate watering zones.

Image: The johgee HCT-379 irrigation computer highlighting its key features.

2. Safety Information

• Soargje derfoar dat it apparaat feilich ynstalleare is om tafallich loskommen te foarkommen.
• Do not submerge the device in water. While it is IPX5 waterproof, prolonged submersion can cause damage.
• Use only 1.5V AA alkaline batteries. Do not mix old and new batteries or different battery types.
• Keep the device out of reach of children and pets to prevent unintended operation.
• Disconnect the device from the faucet and store it indoors during freezing temperatures to prevent damage.

3. Package Ynhâld

Kontrolearje oft alle items yn it pakket oanwêzich binne:

• johgee HCT-379 4-Output Digital Irrigation Computer
• User Manual
• Standard faucet connector (typically 3/4 inch)
• Additional adapters/seals (if included)

4. Produkt Overview

The johgee HCT-379 features a large LCD display and intuitive controls for easy programming. It includes four independently controlled outlets for versatile watering.

Ofbylding: Front view of the irrigation computer with display labels.

Key komponinten:

• LCD Display: Shows current time, program settings, and status.
• Kontrôle knoppen: For navigation, setting values, and mode selection (NOW, ABCD, ESC/OFF, OK, +, -, DELAY).
• Kraanferbining: Top inlet for connecting to a standard outdoor faucet.
• Four Independent Outlets (A, B, C, D): Bottom outlets for connecting hoses to different watering zones.
• Batterijfak: Located at the back, secured with a sealed cover.

5. Opsette

5.1. Batterij Ynstallaasje

1. Sykje it batterijfak op 'e efterkant fan it apparaat.
2. Open the sealed battery cover.
3. Insert two (2) new 1.5V AA alkaline batteries, ensuring correct polarity (+/-).
4. Securely close the battery cover to maintain the IPX5 waterproof rating.

Image: Steps for battery insertion and device installation.

5.2. Connecting to the Faucet

1. Soargje derfoar dat jo bûtenkraan ticht is.
2. Thread the top connector of the irrigation computer onto your faucet. Hand-tighten until secure. Do not overtighten.
3. Turn on your faucet fully to ensure adequate water pressure to the timer.

5.3. Connecting Hoses to Outlets

1. Attach your garden hoses or irrigation lines to the four independent outlets (A, B, C, D) at the bottom of the device.
2. Soargje derfoar dat alle ferbiningen strak binne om lekken te foarkommen.

6. Bedriuwsinstruksjes

6.1. It skerm begripe

The LCD display provides all necessary information for programming and monitoring. Familiarize yourself with the indicators:

• NO: Aktuele tiid.
• ABCD: Indicates which output zone(s) are currently selected or being programmed.
• STARTTIID: The programmed time for watering to begin.
• HOE LANG: The duration of watering for a selected zone (1 second to 360 minutes).
• HOE FAAK: The frequency of watering (1 hour to 23 hours, or 1 day to 15 days).
• FOLGJENDE START: Time remaining until the next scheduled watering cycle.
• Batterij-yndikator: Toant de oerbleaune batterijlibben.
• Berneslot-ikoan: Indicates if the child lock is active.
• Rain Delay Icon: Indicates if rain delay is active.

6.2. Ynstelle fan aktuele tiid

1. Druk op de NO button. The current time will flash.
2. Brûk de + en - knoppen om it oere oan te passen.
3. Parse OK om it oere te befêstigjen en nei minuten te gean.
4. Brûk de + en - knoppen om de minuten oan te passen.
5. Parse OK om de hjoeddeiske tiid te bewarjen.

6.3. Programming Watering Schedules (Zones A, B, C, D)

Each of the four outlets can be programmed independently.

1. Druk op de ABCD button to select the zone you wish to program (A, B, C, or D). The selected zone will flash.
2. Parse OK to enter programming mode for that zone.
3. Begjintiid ynstelle: The 'START TIME' will flash. Use + en - om it oere oan te passen, dan OK to confirm and move to minutes. Adjust minutes and press OK.
4. Set Watering Duration ('HOW LONG'): The 'HOW LONG' value will flash. Use + en - to set the watering duration from 1 second to 360 minutes. Press OK.
5. Set Watering Frequency ('HOW OFTEN'): The 'HOW OFTEN' value will flash. Use + en - to set the frequency from 1 hour to 23 hours, or 1 day to 15 days. Press OK to save the program for the selected zone.
6. Repeat steps 1-5 for each zone (A, B, C, D) you wish to program.

Image: Programming options for watering duration and frequency across multiple zones.

6.4. Manual Watering Mode

This mode allows immediate watering without affecting your programmed schedules.

1. Druk op de water faucet icon button (usually labeled with a faucet symbol).
2. Brûk de ABCD button to select the desired output zone(s) for manual watering.
3. Brûk de + en - buttons to set the manual watering duration.
4. Parse OK to start manual watering. The selected zone(s) will begin watering for the set duration.
5. Om it manuell wetterjaan te betiid te stopjen, druk op de water faucet icon button wer of ESC/OFF.

Image: Activating manual watering mode.

6.5. Rain Delay Mode

The device does not have an automatic rain sensor. Rain delay must be activated manually to pause scheduled watering during rainfall.

1. Druk en hâld de DEAY knop foar 3 sekonden.
2. Brûk de + en - buttons to select the desired delay duration (e.g., 24 hours, 48 hours, 72 hours).
3. Parse OK to confirm. The rain delay icon will appear on the display, and all programmed watering cycles will be paused for the selected duration.
4. To cancel rain delay, press and hold the DEAY button again for 3 seconds, then set the delay to '0' or press ESC/OFF.

Image: Rain delay mode activated on the irrigation computer.

6.6. Berneslot Funksje

To prevent accidental changes to your settings, activate the child lock.

1. Druk en hâld de lock icon button for 3 seconds. The lock icon will appear on the display.
2. Om te ûntsluten, druk en hâld de lock icon button again for 3 seconds. The lock icon will disappear.

6.7. Manual Valve Operation (Video Demonstration)

This video demonstrates how to manually open and close the valves on the irrigation computer.

Video: Demonstration of manually opening and closing the valves on the johgee HCT-379 irrigation computer. This shows how to test water flow through each output.

7. Underhâld

7.1. Cleaning

• Wipe de bûtenkant fan it apparaat mei in sêft, damp doek. Brûk gjin abrasive skjinmakkers of solvents.
• Periodically check the filter screen in the faucet connector for debris and clean if necessary to maintain optimal water flow.

7.2. Winteropslach

• Before the first frost, disconnect the irrigation computer from the faucet and hoses.
• Remove the batteries to prevent corrosion.
• Store the device in a dry, frost-free location indoors.

8. Probleemoplossing

9. Spesifikaasjes

• Model: HCT-379
• Merk: johgee
• Oantal útgongen: 4 (independently controlled)
• Wetterperioade: 1 sekonde oant 360 minuten
• Wetterfrekwinsje: 1 hour to 15 days
• Power Boarne: 2 x 1.5V AA Alkaline Batteries (not included)
• Wetterdicht wurdearring: IPX5
• Materiaal: Reinforced Nylon Fiber
• Produkt Ofmjittings: 14.2 x 16.4 x 7.4 sm
• Gewicht: 890 gram

10. Garânsje en stipe

For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official johgee webside. Bewarje jo oankeapbewiis as bewiis fan oankeap.