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11
Section 6:
Plumbing
1.
For a new install—please follow 1. NZS3606 installation guide, ensure there is
room for the thermostat and that relief valves have sufficient room for
maintenance and potential removal.
2.
For a retrofit—turn off and unplug / disconnect cylinder.
3.
Drain cylinder.
4.
Add riser to return end of 4-way valve (retrofit).
5.
Connect 4 way valve (retrofit).
6.
Connect and close ball valve, non-return valve and pump to the cold side of the
cylinder, see diagram.
7.
Ensure the pump has enough support and is installed in a vertical position
accessible for replacement and adjustment of settings.
8.
Connect Tempering valve if required to hot and cold sources on cylinder hot
supply as per standard.
9.
Connect and close ball valves.
10.
Fill cylinder and turn on.
11.
Connect pipes from roof.
12.
Open ball valves and check for leaks.
13.
System to be installed to the following plumbing standards; ASNZS3500.4, G12
of building code; copper to NZS3501.
14.
Ensure all pipes out of cylinder are lagged.
Note: All fittings shown above (excluding tile roof flashing), plus 20m 3/8” pipe and relay, are available in our solar kits (pump not
included in solar kits). See pricelist or call us on 0800 786 744.