11
5.3
Cold Water Connection
The cold water supply: Must be a DEDICATED AIR FREE
supply via a tank
connector, and must be positioned at a slightly lower level (25 mm minimum) than
the feed pipe to the hot water cylinder.
Ensure that the pipework size from the cold water tank is 22mm minimum.
Do not connect to the mains.
5.4
Hot Water Connection
Hot water cylinder or storage tank
: When a hot water cylinder or storage tank is
used, ensure the pipework size from the cold water storage to the hot water
storage is of adequate size and a minimum of 22 mm.
Hot water supply
: The pump
must be
supplied with a
dedicated feed
direct from
the hot water cylinder or storage tank, ensuring an air free connection to the
pump. We recommend the use of either the side entry flange (SE) or a top entry
flange (TE) see Figure 6.
Expansion pipe
: Expansion pipe: When the method of connection is to be made
via the expansion pipe, the
BASE
of the cold water storage tank
MUST
be at least
1 metre above the connection/take off of the hot water storage cylinder feeding
the pump.
Figure 6
Off expansion
pipe with rising
28mm offset
reducing to
22mm pipework
to pump and
expansion pipe.
Off expansion
pipe with rising
22mm offset
and 22mm
pipework to
pump.
Top Entry flange
(Part No 27800)
with 22mm
pipework to
pump.
Factory installed
G
¾
secondary
tapping with
22mm pipework
to pump.
Or
Side Entry
flange (Part No
27900) with
22mm pipework
to pump.
30
°
- 45
°
30
°
- 45
°
Summary of Contents for ST PUMP 15TN
Page 31: ......
