It sort of looks like i have only on off for the cold water for both heaters.
How to turn off water to solar panels.
Disconnect all wires and let the water drain out of the panel.
That red handle valve is probably on off for both right.
Put your hot water cylinder on a simple timer switch as described here.
In order to do this you must go to the meter box and switch off the ac inverter main supply.
Use a special hot water pv diverter to divert solar energy to your hot water cylinder as described here.
After that you must turn off the ac breaker.
Step 1 go to your switchboard and open it.
Locate any water leaks in the pipes of the solar panel.
Put your hot water cylinder on a smart relay if you have a fronius inverter as described here.
Rapid take up of solar panels has shifted demand on the electricity grid south australia victoria and queensland face a heightened risk of blackout authorities will have the power to turn off.
Turn off any pump connected to the solar panel.
The set up isn t expensive and solar hot water panels are virtually maintenance free but your configuration has to fulfill certain conditions to be effective.
If you do use something other than just water especially to get rid of pesky bird droppings just make sure what you re using is soft and hard bristle free.
The first thing that must be done is to turn off the ac side.
In this position water is bypassing the solar turning solar heating off and the isolation valves are closed ensuring that no water can pass to or from the panels.
Get dedicated pv panels and a sunflux ii.
Let the panel dry completely before you start to repair the leaks.
Solar water heating basics.
Question is how to turn the unit off if i drain it and whether using the valves in the photo hw heater 002 jpg will allow me to use my standard hot water heater without the solar.
The device is always needed since solar panels produce dc while the loads consume ac.
If you re unsure about of any of the steps or your solar power system looks notably different from the pictures below call 1300 73 93 55.
Otherwise the water would have nowhere to go and you pump may be damaged.
A high pressure attachment can damage the solar panels themselves.
Follow the guide below to power down your system and switch it back on again.
Locate the solar supply main switch and flick the switch to the off position.