INSTALLATION - SOLAR COLLECTORS
Rinnai 21
DD FP Solar Pre Heat System OIM
Connecting Fittings to Collector
WARNING
When connecting fittings to collectors ensure that the flats at the end of the collector header
are held in place with one spanner, while another spanner is used to tighten fitting. Collector
damage or leaks may occur if this isn't done correctly.
Connecting Barrel Unions
1.
A B C
Identify the 3 components of the barrel union as
A,B or C
2.
Fasten the barrel union components together.
3.
Attach the collector header to the entire barrel
union with component B screwing onto the
threaded end of the header.
Tighten with two spanners in the places indicated
in the diagram above.
4.
Separate component C from components A and
B using two spanners in the places indicated in
the diagram above.
5.
Fasten component C to the header of the 2nd
collector.
Tighten with two spanners in the places indicated
in the diagram above.
6.
Join the barrel union components together.
Tighten with two spanners in the places indicated
in the diagram above.
