Holman Splitter PRO module with grey top and coloured wire leads
Holman Splitter PRO module with grey top and coloured wire leads
Close-up of Holman Splitter PRO top showing control buttons and terminal labels
Close-up of Holman Splitter PRO top showing control buttons and terminal labels
Holman Splitter PRO module with grey top and coloured wire leads
Close-up of Holman Splitter PRO top showing control buttons and terminal labels

Run two, three or four irrigation valves in sequence from one controller station, using the existing active and common wires. The Holman Splitter PRO detects the connected valves and shares the station watering time between them, helping expand a system without laying another control cable.

✓ Runs 2, 3 or 4 valves from one station
✓ Uses one active wire plus the common
✓ Automatically detects connected valves
✓ Sequential watering with shared run time
✓ LED status indicators

Holman Splitter PRO Installation Instructions

The Holman Automatic Splitter PRO connects at the valve end of an existing station circuit. It uses that station output and its active and common wires to operate two, three or four valves one after another.

Set the controller station for the combined watering time required. Once the unit has learnt a complete cycle, it divides that time equally between the connected valves. For example, three valves needing 10 minutes each use a total station time of 30 minutes.

On the first cycle, the splitter learns the total run time by cycling through the valves in increasing time steps. Changes to the total watering time are reflected in the equal division on the following cycle. The programming notes are listed in Specifications.

Holman Splitter PRO Installation Instructions

✓ Product & Connection
Brand: Holman.
Model: VH7324 Splitter PRO.
Controller station outputs used: 1.
Valve outputs: 2, 3 or 4, operated sequentially.
Field wiring: One active wire and one common wire.
Installation: At the existing valves using the field wiring.

✓ Electrical
Input: 24VAC, 50/60Hz.
Switching capacity stated in the instructions: 0.5A / 10VA.

✓ Watering & Programming
Set the station for the total run time required by all connected valves.
The initial cycle learns the run time by giving each valve 1 minute, then 2 minutes, then 4 minutes, continuing as needed until the station switches off.
Following a complete cycle, the previous total run time is divided by the number of connected valves.
After a run-time change, the newly divided time takes effect on the next cycle.
For manual watering, use the same total time as the automatic programme.
Do not interrupt the cycle: this changes the timing used for the next cycle.

✓ Construction & Indication
Epoxy-encapsulated unit, suitable for direct burial.
LED indicators show operating status and wiring or over-current faults.
Follow the product wiring diagram and LED guide.

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