12
Gas 220 Ace Cascade Assembly Manual V 18042018
IMPORTANT NOTICE
Before fitting the
Flow pipe kit
to the Flow collector please check that the
Safety valve
is mounted in
the correct position. The Safety valve must be positioned after the Boiler flow union. The safety valve
shall not be positioned after an isolating valve.
Fig. A
Fig. B
(CORRECT)
(INCORRECT)
If the
Safety valve
is positioned in error, as per fig.B, before connecting the
Flow pipe kit
to the Flow
collector, you must undo the Boiler flow union and the Collector flow union and reverse the isolating
valve-flexible pipe-safety valve assembly, as per fig A.
The two half unions have the same 2” size and can be threaded onto the 2” half unions from the boiler
connection and collector connection.