6.The shower is designed to have an open outlet and should only be used with Redring recommended fittings.
WARNING: DO NOT FIT A TAP ON THE SHOWER OUTLET. TAKE CARE TO AVOID RESTRICTING THE OUTLET OF THE PRESSURE RELIEF DEVICE. (SHOWN IN DIAGRAM 2).
Diagram 8 |
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| Simply push | |
A | |||
in tube to | |||
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| attach | |
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B |
| Tube is |
| secured in | |
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| position |
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| C |
| Push in |
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| collet to | |
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| release tube |
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C) Electrical
The electrical installation must be in accordance with current BS. 7671 (I.E.E. regulations) and/or local regulations.
1.The shower is designed for a single phase A.C. electrical supply of:
Model | Variant | Rated Voltage |
Expressions 570 | 8.5 / 7.8 kW | 240 / 230 V |
(8.5 kW) | 8.5 kW | 230 V |
Expressions 570 | 9.5 / 8.7 kW | 240 / 230 V |
(9.5 kW) | 9.5 kW | 230 V |
Please check the rating plate on the unit to see what details apply to your unit.
2. Cable Sizes
Model | Cable Sizes | Fuse Type |
Exp. 570 | 6mm2 | 40 A Cartridge Fuse |
(8.5 kW) |
| Type 'A' MCB |
| 10mm2 | 45 A Cartridge Fuse |
Exp. 570 (9.5 kW) | 10mm2 | 45 A Cartridge Fuse |
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Expressions 570 9.5/8.7kW, 240/230V, version may be able to use 6mm2 cable if BS 7671: Method 1 (clipped direct) is used. The maximum cable run for all models above will depend upon site conditions.
REMEMBER TO UPRATE THE CABLE IF IT RUNS IN THERMAL INSULATION IN A LOFT.
3.In order to provide a means of isolation, the heater MUST BE permanently connected to the electricity supply through a double pole linked switch with a contact gap of 3mm mounted in a convenient position. We recommend ceiling switches.
4.Cut back cable as in diagram 10, 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.
Diagram 9
SCHEMATIC
WIRING
DIAGRAM
WARNING: FAILURE TO COMPLY WITH THESE INSTRUCTIONS COULD RESULT IN A FAILURE OF THE TERMINAL BLOCK.
8
