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2. Electrical
2. Electrical
2. Electrical
2. Electrical
2. Electrical
Read the section "Important Safety Information"
2.1.
2.1.
2.1. The electrical installation must comply with the "Requirements for Electrical
2.1.
2.1.
Installations" commonly referred to as the IEE Wiring Regulations, or any
particular regulations and practices, specified by the local electricity supply
company in force at the time of installation.
2.2.
2.2.
2.2. In a domestic installation, the rating of the electricity supply company fuse and
2.2.
2.2.
the consumer unit must be adequate for the additional demand. As these Mira
Advances are high power units, it is essential to contact your electricity supply
company to ensure that the supply is adequate for the Mira Advance. Voltage
drop due to local heavy demand will reduce the shower's performance.
2.3. The Mira Advance must be earthed
2.3.
2.3.
2.3.
2.3.
conductor to the earth terminal.
Supplementary bonding:
Supplementary bonding:
Supplementary bonding: Within the bathroom or shower room, all
Supplementary bonding:
Supplementary bonding:
accessible conductive parts of electrical equipment and extraneous
conductive parts that are likely to introduce earth potential, must be
electrically bonded to earth using a minimum cable size of 4.0 mm
cable is not mechanically protected (2.5 mm
2.4. The minimum cable size (cross-sectional area) required is 6 mm
2.4.
2.4.
2.4.
2.4.
normal conditions of installation.
Important! The shower circuit should be separated from other circuits by at
Important!
Important!
Important!
Important!
least twice the diameter of the cable or conduit and it should not be run
through thermally insulating material or in locations where the ambient
temperature is likely to exceed 30 °C. If any of these conditions are
unavoidable it is necessary to determine the cable size which will prevent
damage to the cable caused by overheating.
2.5.
2.5.
2.5.
2.5.
2.5. Do not turn-on the electrical supply until the plumbing has been completed.
2.6.
2.6. A separate, permanently connected supply must be taken from the consumer
2.6.
2.6.
2.6.
unit to the Mira Advance through a double-pole switch, which has at least
3 mm contact separation. The switch can be a ceiling mounted pull-cord type
within the shower room or a wall mounted switch in an adjacent room.
The minimum cable size required is 6 mm
thereby maximise performance, use the shortest possible cable route from the
consumer unit to the Mira Advance.
14
14
14
14
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"Important Safety Information" first.
"Important Safety Information"
"Important Safety Information"
"Important Safety Information"
must be earthed by connecting the supply-cable earth
must be earthed
must be earthed
must be earthed
2
if mechanically protected).
2
. To minimise voltage drop, and
2
if the
2
under
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