Manually wiring GVA-24 Actuator Valve

[Alexr54]

If anyone if interested, figured i would share how i did my setup which is working great for me.
Reason i did this is because my ProLogic board could not do what i needed it to do with the valves.

I needed something simple. When my Spa pump is on, the GVA24 was turned in diection2, when the Spa pump is off the GVA-24 was turned in direction1.
For me its with a 240v pump. Should work the same with a 120v.

GVA-24 Valve Wiring Guide​

Overview​

This guide describes how to wire a GVA-24 - 3-wire actuator using:
- Honeywell AT72D1683 24VAC transformer
- Hawkeye H908 current sensor
- RIB2401D dual-pole relay

The GVA-24 uses the following wire roles:
• Black = Common (24VAC return)
• White = SPA (open valve)
• Red = POOL (close valve)

Transformer: Honeywell AT72D1683​

Terminal	Color	Connects To	Purpose
H1	Black	120V Line	Primary HOT
H2	White	120V Neutral	Primary Neutral
R	Yellow	RIB Yellow & Purple, H908 COM	24VAC HOT
C	Purple	RIB White/Yellow & Valve Black	24VAC Common

Hawkeye H908 Current Sensor (Set to NO)​

Terminal	Color	Connects To	Purpose
COM	White	Transformer R (24VAC HOT)	Power input to relay trigger path
NO	Blue	RIB White/Blue (coil +)	Relay energizes when pump is ON
Sensor Ring	—	Pump L1 passes through (Black or hot wire only)	Detects current draw

RIB2401D Relay Coil Wiring​

RIB Wire	Color	Connects To	Purpose
Coil +	White/Blue	H908 NO	Energized when pump is ON
Coil -	White/Yellow	Transformer C	24VAC return

RIB2401D Relay Contact Wiring​

Contact	Color	Connects To	Purpose
Pole 1 COM	Yellow	Transformer R	24VAC input to Pole 1 (SPA)
Pole 1 NO	Orange	GVA-24 White	SPA (valve opens when ON)
Pole 2 COM	Purple	Transformer R	24VAC input to Pole 2 (POOL)
Pole 2 NC	Gray	GVA-24 Red	POOL (valve closes when OFF)

GVA-24 Valve Wiring Roles​

Wire	Function	Connects To
White	SPA (CW/Open)	RIB Orange (NO Pole 1)
Red	POOL (CCW/Close)	RIB Gray (NC Pole 2)
Black	Common	Transformer C

 

[JoyfulNoise]

What does the valve control? Maybe show the plumbing setup to better help anyone reading this understand what you are doing?

 

[ajw22]

This what you did connected to a current sensing relay instead of an AUX relay?

 

[Alexr54]

With an aux relay on the prologic, it's not automatic and defeats the purpose of having an auto actuating valve imo.
There is no way to do this simple thing on a prologic. Which sucks. But is what it is.
I wanted it so when the spa pump is on, the valve is set to the correct direction. And same for when its off. Automatically.

When it comes to my plumbing. Thats a whole other story. Its much more complicated than this valve setup. And i just don't have the time to lay it all out.
Simply put - the spa and pool have a shared heater but with separate pumps/filters.
The valve in question changes where the water is returned to the pool/spa.
In the direction for the pool it returns to the pool through a 8 zone caretaker99.
If the spa pump is on while the valve is in the pool direction, it sucks all water from the spa and into the pool. Emptying the spa, and eventually running the pump/filter dry.
If pool pump is on while in the spa direction it just overflows from spa into the pool. Which can cause a huge issue if my heater is set to auto. It can empty my 250g LP tank in a night.

I'm also working on an auto top off for the pool using a float switch im putting in the pools skimmer area.