INSTAFLOW
9
W-006-A
WARNING!
THIS APPLIANCE MUST BE EARTHED
Table A
MCB
30/32A
32A
40A
40A
40A
40/45A
45A
cartridge
fuse
30A
35A
35A
45A
45A
45A
45A
unit
rating
7.0kW
7.5kW
8.0kW
8.5kW
9.0kW
9.5kW
10.5kW
CIRCUIT PROTECTION
5.4kW
25/32A
30A
ELECTRICAL REQUIREMENTS
The installation, supply cable and circuit
protection must conform with BS 7671 (IEE
amperage required.
The following notes are for guidance only:
1 The water heater must only be connected to a
230-240V ac supply. If you are installing a
water heater with a kilowatt rating above 9kW,
it is advisable to contact the local electricity
supply company.
1.1 The electrical rating of the water heater is
on the rating label within the
2 Before making any sort of electrical
connection within the installation, make
sure that no terminal is live. If in any doubt,
switch off the whole installation at the mains
supply and remove the correct fuse.
3 The water heater must be connnected to its
own independent electrical circuit
IT
MUST
NOT
be connected to a ring main, spur socket
outlet, lighting circuit or cooker circuit.
3.1 The electrical supply must be adequate for
the loading of the unit and existing circuits.
4 Check your consumer unit (main fuse box)
has a main switch rating of 80A or above
and that it has a spare fuse way which will
take the fuse or Miniature Circuit Breaker
(MCB) necessary for the water heater.
4.1 If your consumer unit has a rating below
80A or if there is no spare fuse way, then the
installation will not be straightforward and
may require a new consumer unit serving
the house or just the water heater.
4.2 You will need to contact the local electricity
company. They will check the supply and
carry out what is necessary.
5 For close circuit protection DO NOT use a
rewireable fuse. Instead use a suitably rated
Miniature Circuit Breaker (MCB) or cartridge
fuse (see Table A)
.
unit.
shown
To Next Page
Loading...
Need help?
General
