8
No.
Dimension
Connection description
1 1½” internal thread.
Hot water out
2 3/4” internal thread.
PT valve* (600-5000 l.)
2 1” internal thread
PT valve* (10 000 l.)
3 3/4” internal thread.
Hot water circulation
4 3/4” internal thread.
Anode (factory-fitted)
5 3/4” internal thread.
Thermometer
6 1½” internal thread.
Cold water in
7 1" outside thread
Draining
3.5 Pipe installation
The product is designed to be permanently con-
nected to the mains water supply. Approved pipes
of the correct size should be used for installation.
The relevant standards and regulations must be
followed.
Connections, 600-1000 litres:
Connections for 2000-5000 litres are determined
by agreement with the customer.
*5000 and 10 000 l. volumes are supplied with
two PT valves. These should be fitted on a T-piece
provided by the installer (not supplied).
3.5.1 Incoming water pressure
The efficiency of the product depends on the in-
coming cold water pressure. The water pressure
should be min. 2 bar and max. 6 bar throughout
the day. Excessive water pressure can be adjusted
by installing a pressure reduction valve.
3.5.2 Fitting pipes
A) Run a pipe of suitable size to the connections
shown, and affix with suitable sealant. Unused
connections must be plugged securely.
B) The product can connected in series for in-
creased capacity in the system. Use OSO pre-
fabricated SRS manifolds. See illustration.
3.5.3 Fitting of overflow pipe
Overflow pipe (9) > 18 mm inside run to the
safety valve;
•
Connects to the overflow (8) on the safety
valve (3/4”inside thread).
•
Clear, undamaged and frost-free with a fall
to the drain.
9
9
8
2
3
4
5
7
6
1
1
3
4
5
7
6
2
600 l.
1000 - 10 000 l.
