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Unical AG ALKON 140 EXT

Aluminum modular condensing modular unit

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Unical AG

Castel d'Ario, Italy
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Overview
Name of product/article

ALKON 140 EXT

Type

Aluminum modular condensing modular unit

Materials

Aluminium

Condensing modular unit, both for indoor and outdoor installation IP X5D, with double premix Low NOx burner and double heat exchanger in Al/Si/Mg alloy, also for installation in battery
• Maximum water pressure: 6 bar  
• Logic of operation based on the power repartition on 2 units up to the minimum possible load (10,5+10,5 kW) for the obtainment of the maximum efficiency and turning off of an unit with operation in modulation of the second from around 20,5 kW up to 10,5 kW  
• Output 10,5 to 136 kW (model 140), and modulation ratio of 1:13  
• Two safety gas valve with constant air-gas ratio
• Two high delivery head fans with electronic speed control
• Radiating flame surface in “metallic sponge”.  
• Siphon on the condensates drain  
• Electrical predisposition for connection of additional safety devices  
• Predisposition for control with 0-10 Volt signal through BCM  
• Complete diagnostics of the functions with signaling of the possible blocks  
• Electric protection degree IP 20  
• Sliding temperature operation  
• NTC sensors for the control of flow and return temperature  
• Electronic ignition  
• Multilevel programming, visualization of parameters on LCD and e-Bus communication (HSCP)  
• Two high efficiency modulating pumps (one for each unit) with antifreeze, antijamming and over-run functions.
• Minimum installation water pressure switch  
• Differential pressure switch for water circulation control  
• Optional hydraulic groups including:  
- Connection pipe for predisposition of additional safety devices and accessories  
- Differential pressure switch for water circulation control  
- Hydraulic separator (mixing header)  
• Panel of Regulation on board (standard supplied)
• Thermoregulation HSCP (Master), water pressure gauge and system “On/Off” switch It is possible the control of up to a maximum of 12 completely independent heating circuits and of a DHW storage tank  
• Antilegionella function  
n°1 Module SHC standard supplied:  
- Programmable card of management up to 3 installation circuits and therefore up to 12 heating circuits  
- it has 2 entries, for external and room temperature
Optional accessories:  
- Acidic condensate neutralizers
- Additional safety devices kit
- Hydraulic separator (mixing header)
- Smokes evacuation kit

Further info from manufacturer on ALKON 140 EXT

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