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A cow exposed to acute heat stress reacts with increased perspiration and quicker breathing. This makes her uncomfortable. After a while she adapts to the warm climate by reducing her feed intake. Her metabolism slows down, lowering her body’s heat production. But for a lactating dairy cow, a reduced feed intake will also result in reduced milk production.
DeLaval thermal control TC1 is the mastermind behind DeLaval dairy fans. The intelligent DeLaval TC1 optimizes cow comfort and gives you better control over your milk production. It does this by accounting for the barn’s present temperature, the past 24 hour accumulated temperature plus relative humidity and the air speed from the dairy fans.
DeLaval TC1 controls DeLaval dairy fans based on the THI24h which is used to assess exactly when a cow starts to lose milk due to heat stress. When the THI24h rises above 68 to 74, the cow starts reacting to her heat stress by producing less milk. DeLaval dairy fans run for as long as the THI24h exceeds the selected comfort temperature of approx 22 °C.
Air speed from the cooling fans reduces heat stress and thermal discomfort. DeLaval TC1 accounts for this air speed. It is set between one to three metres per second depending on the installation mode and type of DeLaval fan used.
- Easy installation and programming
- Minimal maintenance
- Helps you control your milk production
- Adapted for controlling DeLaval dairy fan DF1300 and DF710
- Suitable for new and existing installation
- Includes control unit, temperature and humidity sensors pre-assembled in a junction box
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Amperage: |
Max. 1 A |
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Power consumption: |
approx. 100 W |
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Protection class: |
IP66 |
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Dimensions (H x W x L): |
295 x 245 x 130 mm |
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Weight: |
3 kg |
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Max. distance of unit from sensor: |
75 m |
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Temperature sensor: |
Only one sensor is needed together with DeLaval TC1 |
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Humidity sensor: |
Only one sensor is needed together with DeLaval TC1 |
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RPM controller for DeLaval thermal control TC1
DeLaval RPM controller for DeLaval thermal control TC1 is an internally pre-cabled box which provides automatic control of the speed of the dairy fans. It is only for use with DeLaval TC1. DeLaval RPM controller is available in 2 sizes (Amperages).
This device regulates fan speed according to the measured THI index (based on temperature and humidity in the barn), to maintain a barn environment that is not too humid, too cold or too warm.
- Right temperature and humidity in the barn – not too cold, not too warm, not too humid
- Calmer regulation – A low speed start for a calmer environment
- Comfortable cows
- Reduced heat stress
- Exclusive for DeLaval
- CE marked
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Amperage: |
Max. 11.2/19.6 A |
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Power supply: |
3 x 400 VAC, 50 Hz |
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Protection class: |
IP 55 |
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Dimensions (H x W x L): |
50 x 40 x 25 mm |
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Weight: |
33/40 kg |
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Max. distance to RPM controller: |
50 m |
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Max. number of controlled fans:
RPM controller 11.2 A
RPM controller 19.6 A |
4 DF1300 or 8 DF710
7 DF1300 or 14 DF710
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