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c) ELECTRICAL
WARNING: THIS SHOWER MUST BE EARTHED.
The electrical installation must be in accordance with the current BS.7671 (IEE Wiring Regulations)
and “Part P” of the Building Regulations and/or local regulations
1. The SHOWER is designed for a single phase AC electrical supply.
Please check the rating plate on the unit to see what details apply to your unit.
AS A GUIDE ONLY (* Only applies if external earth impedance is less than 0.35 Ohms)
Rating Cable Sizes
Fuse / MCB
Cable Length
4.0mm²
6.0mm²
32A Type B MCB
21m Max.
35m Max.
7.2 / 6.6kW 240 / 230V
6.0mm²
10.0mm²
40A Type B MCB
27m Max.
45m Max.
6.0mm²
10.0mm²
40A Type B MCB
27m Max.
45m Max.
8.5 / 7.8kW 240 / 230V
6.0mm²
10.0mm²
45A BS.1361 fuse
12m Max.*
21m Max.*
6.0mm²
10.0mm²
40A Type B MCB
27m Max.
45m Max.
9.5 / 8.7kW 240 / 230V
6.0mm²
10.0mm²
45A BS.1361 fuse
12m Max.*
21m Max.*
10.5 / 9.6kW 240 / 230V 10.0mm² 45A BS.1361 fuse 12m Max.*
Remember to upgrade the cable if it runs in thermal insulation in a loft, or for a longer distance.
2. A means for disconnection in all poles must be incorporated in the fixed wiring in accordance
with the wiring rules.
We recommend a ceiling switch mounted in a convenient position.
3. Cut back cable as in diagram 7. Connect cable to terminal block making sure that all the
retaining screws are VERY TIGHT and that no cable insulation is trapped under the screws.
WARNING: FAILURE TO COMPLY WITH THESE INSTRUCTIONS COULD RESULT IN
FAILURE OF THE TERMINAL BLOCK
4. Re-Fit the corner section back into the backplate.