CONTROL ACCESSORY TYPE: UZ 49

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
CONTROL ACCESSORY TYPE: UZ 49

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

 

Mesa Eletronic Gmbh

Address

Johann-Flitsch-Strasse 2

83075 Bad Feilnbach

Phone and mail

 +49 (0) 8064 - 90630-0

+49 (0) 8064 - 90630-90 

info@mesa-international.de

 

Mesa Eletronic Gmbh

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