The Harvey HV3 requires a minimum water pressure to function correctly. Your system needs of incoming mains water pressure for the regeneration valve to operate properly. If your home has low water pressure, you may need a pressure-boosting solution before installation.
Never run the drain or overflow hoses upward by more than 1 metre above the base of the machine. 🚀 Commissioning and First-Time Start-Up
Incoming dynamic pressure must be between a minimum of 1.7 Bar and a maximum of 6.0 Bar . If your pressure exceeds 5 Bar, install a pressure-reducing valve. harvey hv3 water softener installation manual
Slowly open the mains stopcock to refill the system and test your newly installed pipework. Check all connections thoroughly for any signs of leakage—pay particular attention to the bypass valve, the hose connections at the softener rear, and any newly soldered or fitted pipe joints.
Open the softener slowly to allow water into the first cylinder. The Harvey HV3 requires a minimum water pressure
Open a nearby cold tap for 2 minutes to flush out any debris or air pockets caused by the plumbing work. Close the tap.
This issue has been reported by HV3 owners, particularly after units have sat unused for extended periods. First, check the brine valve for debris or damage. Ensure the riser sits correctly within the well and nothing is jammed. If the problem persists, you may need to contact Harvey's service team for further assistance. Never run the drain or overflow hoses upward
," the installation of Harvey’s non-electric, twin-tank water softeners (such as the Harvey Arc MiniMax M3
No. The manual states the ambient temperature must remain above 4°C. Freezing destroys the internal waterway and valve.
If the unit has been stored below freezing, let it warm to room temperature for 24 hours before installation. Frozen internals can crack.
[TO HOUSE APPLIANCES / TAPS] ^ | +-------+-------+ | | [OUTLET VALVE] [BYPASS VALVE] ^ ^ | | (From Softener) | | | +-------+-------+ | [INLET VALVE] ^ | [FROM MAIN STOPCOCK]