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| 1. Application | Optimum water temperature maintenance for single family houses, flats, offices, hotels, hospitals, convalescent homes, sports centres, ... |
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| Heating cable type | HWAT-L | HWAT-M | HWAT-R |
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| Maintenance temperature | typically 45°C | typically 55°C | variable 50-70°C |
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| Max. exposure temperature | 65°C | 65°C | 80°C |
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| Outer jacket colour | yellow | orange | red |
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| Control unit HWAT-ECO | - | compatible | essential |
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| Timer QWT-04 | recommended | - | - |
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| Legionella prevention | Possibility of thermal legionella prevention up to the drawoff points | ||
| 2. Composition of the HWAT-L/R/M heating cable | |
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1. Copper conductor (1.2 mm²) 2. Self-regulating heat element 3. Insulation made of modified polyolefin 4. Aluminium laminated wrap 5. Protective tinned copper braid 6. Protective jacket made of modified polyolefin Technical data: see page 55 |
| 3. Heating Cable length |
• The heating cable is installed in a straight line on the pipework
• The heating cable can be traced right up to the drawoff points Total length of pipe to be traced + approx. 0.3 m per connection + approx. 1.0 m per T-connection + approx. 1.2 m per 4-way connection = required heating cable length |
| 4. Insulation thicknesses |
Thermal conductivity ? = 0.035 W/(m_K) For other thermal conductivity insulation materials, contact your Tyco Thermal Controls representative. |
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| 5. Electrical protection |
Circuit-breaker to BSEN 60898 (type C): the maximum length of the heating circuit is based on a minimum start-up temperature of +12°C, 230 VAC.
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