T70Z electric shower
9
Isolating
stopvalve
Mains
water
supply
Shower
unit
Switch may
be wall
mounted
in accordance
with IEE regs.
Mains electric supply
(via double pole switch)
Double
pole
isolating
switch
Separate permanently
connected supply
from consumer unit
*Fig.5
*
(diagrammatic view – not to scale)
The installation must be in accordance with Water Regulations/Bylaws.
WATER REQUIREMENTS
Supply Source .......................................................... Mains pressure cold water
*Minimum running pressure and flow to
100kPa (1.0 bar) at 8 litres per minute
the inlet of the shower for full performance
for
7.5Kw
-
8.5Kw
Maximum static pressure ......................................... 1000 kPa (10 bar)
Maximum inlet temperature .................................... 28°C
Minimum inlet temperature ..................................... 2°C
.............
Fig.5
shows a typical system layout.
Do not use jointing compounds on any pipe
fittings for the installation.
*
Note:
the shower will continue to operate on
a reduced heat setting if the running pressure
falls to
0.7 bar
, there will be a noticeable
reduction in flow and temperature from the
shower head.
If the stated flow rates are not available, it
may not be possible to achieve optimum
performance from the unit throughout the year.
During periods of high ambient temperatures
it may be necessary to select the economy
power setting to achieve your preferred shower
temperature.
Summary of Contents for T70Z
Page 26: ...T70Z electric shower 26...
Page 27: ...T70Z electric shower 27...