Control accessory type: UZ 49
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SPECIAL FEATURES: Connection to continuous or noncontinuous temperature controllers Triggering of up to 12 burners Screw-type and mounting rail fastening Overtemperature input Adjustable burner on ... Devamı
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SPECIAL FEATURES:
- Connection to continuous or noncontinuous temperature controllers
- Triggering of up to 12 burners
- Screw-type and mounting rail fastening
- Overtemperature input
- Adjustable burner on time
SPECIAL FEATURES:
- Connection to continuous or noncontinuous temperature controllers
- Triggering of up to 12 burners
- Screw-type and mounting rail fastening
- Overtemperature input
- Adjustable burner on time
FUNCTION
The Control Accessory is used for power-dependent, cyclic all-round control of Rekumat burners or radiant tubes in gas-fired furnaces. The burner on time is kept constant for all-round operation and the burner OFF time is adapted to the momentary power requirements.
This technique improves the efficiency of the furnace, produces a uniform furnace room temperature and a constant furnace room pressure. Output circuits and relays are accommodated in one or two accessory housings ZUZ 49… of the same construction.
The two units are connected by a pluggable bus cable.
TECHNICAL DATA
UZ for connection to a non-continuous controller
| Construction: | Plastic housing with open terminals alternatively with screw fastening (DIN 46121) or mounting rail fasten- ing (DIN 46277) |
|---|---|
| Dimensions: | 150 x 70 x 112 (lxwxh) |
| Auxiliary voltage: | 24 Vac ± 10 % / 50-60 Hz |
| Input: | Control contact (working contact) Overtemperature contact (rest contact) The contacts must be potential-free and are loaded with approx. 20 mA. (Lay lines with shield and earth shield on controller side only.) |
| Output: | In connection with supplementary unit 6 burner connections (1 ZUZ 49…) 12 burner connections (2 ZUZ 49…) (1 working contact per connection for the solenoid valve “Gas” and “Air”). The contacts are potential-free and can be loaded with a max. 8 A/250 Vac. |
| Times: | • Burner ON time in continuous operation: adjustable 10…35s special model: 20…70 s • Air lag time: rinse time after gas OFF: adjustable 0.3…2 s • Overtemperaturemonitoring: Allburnersareswitchedoff5safter overtemperature signal. |
| Power consumption: | with 12 burners approx. 36 VA |
| Perm. ambient temperature: | 0…50 °C |
| Displays: | LED operation LED all-round operation LED controller contact ON LED overtemperature ON |
UZ for connection to continuous controllers
| Construction: | Plastic housing with open terminals alternatively with screw fastening (DIN 46121) or mounting rail fasten- ing (DIN 46277) |
|---|---|
| Dimensions: | 150 x 70 x 112 (lxwxh) |
| Auxiliary voltage: | 24 Vac ± 10 % / 50-60 Hz |
| Input: | 20…0 mA (100% ED = 20 mA) or 0…20 mA (100% ED = 0 mA) Overtemperature contact (rest contact) The contact must be potential-free and is loaded with approx. 20 mA. (Lay lines with shield and earth shield on controller side only.) |
| Output: | In connection with supplementary unit 6 burner connections (1 ZUZ 49…) 12 burner connections (2 ZUZ 49…) (1 working contact per connection for the solenoid valve “Gas” and “Air”). The contacts are potential-free and can be loaded with a max. 8 A/250 Vac. |
| Times: | • Burner ON timeincontinuousoperation: adjustable 10…35 s special model: 20…70 s • Air lag time: rinse time after gas OFF: adjustable0.3…2s • Overtemperaturemonitoring: All burners are switched off 5 s after an overtemperature signal. |
| Power consumption: | with 12 burners approx. 36 VA |
| Perm. ambient temperature: | 0…50 °C |
| Displays: | LED operation LED all-round operation LED overtemperature ON |
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