Sign
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Possible causes
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| Part of school reaches target temperature well before school starts. |
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Boiler starts too early for the coldness of the morning. (W) |
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| Part of school only reaches target temperature after lessons have started. |
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Boiler starts too late for the coldness of the morning; or pipes and radiators not working correctly. (U) |
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| Temperarture drops during breaks and lunch times. |
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Doors being left open allowing heat to escape. (W) |
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| Temperature rises above target. |
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Thermostat set too high, or too much heat from sun, or overcrowded classroom, or heat-producing activities. (U) |
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| Part of school stays at target temperature after school finishes. |
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Boiler not shutting down early enough in the afternoon for the weather conditions. (W) |
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| Part of school below target before school finishes. |
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Boiler shutting down too early in the afternoon for the weather conditions. (U) |
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| Part of school at target temperature overnight. |
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Boiler controls incorrectly set. (W) |
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| Part of school at target temperature during weekend. |
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Boiler controls incorrectly set. (W) |
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