Boilers in closed system
Agro Uni NZ
AGRO UNI boilers are intended for highly effective combustion of biomass in the various forms of crops /oat/, crops mixtures and kernels. It is also possible to combust eco pea coal and qualified fines in the automatic operation mode of AGRO UNI. The advantage of boiler is full-scale manual combustion chamber created by a deck of tubular water-cooled grate. Depending on boiler power the heat exchanger is made of certified boiler sheet of thickness 6 or 8 mm. Boilers are equipped with components increasing operational safety, among other things double protection against ignition of fuel in hopper - first is implemented by controller, the second - by automatic, water system STRAŻAK (FIRE FIGHTER).
NZ version with reinforced structure with installed cooling coil pipe and compete protective fixtures allowing installation in closed system. NZ version requires extra payment, according to the Boilers Equipment Price list.
|5 years of warranty for heat exchanger tightness, 2 years for the remaining components and efficient operation of boiler|
|heat exchanger made of certified boiler steel /grade P265GH/ of 6-8 mm thickness from steel mills of Arcelor Mittal Poland S.A.|
|controller K1v2 with colour touch panel servicing 4 pumps /central heating, hot utility water, circulation, floor pump/. Possibility to operate mixing valves, control using GSM or INTERNET*; adjustable angle of control panel|
|high thermal efficiency reaching 90% thanks to increased heat recovery from flue gases|
bottom furnace chamber with highly effective trough burner
|automatic water fire suppression system with thermostatic valve|
|two furnace chamber: bottom with automatic burner, upper for wood combustion /for manual charging/|
|Specification / boiler type||Unit||15||20||25||35||50|
|Area of heated
||to 300||to 350||to 420||to 600|
|Capacity of fuel container *||kg||~165||~165||~165||~191||~191|
|Optimum thermal efficiency||%||~86,1-89,3|
|Max. permissible operation
|Required flue gas draught||Pa||24||26||28||31||34|
|Water supply temperature
|Boiler weight *****
|Boiler water tank capacity||l||87||95||115||141||178|
|Chimney section||Ø mm||160||160||180||200||230|
|Minimum chimney height||m||6,5||7||8||9||9|
|Diameter of supply and return Dn||mm||G1 ½”|
|Maximum power consumption||W
|Height to bottom edge
|Dimensions of substitute combustion
chamber and charging hole
|width x height.
||308 x 238
||358 x 238
||358 x 238
||408 x 338
||404 x 334|
* Maximum area of heated rooms estimated for unit heat demand q=75 W/m2.
** Fuel tank capacity for charging density 0.8 kg/dm3
*** Height of boiler can be additionally adjusted by means of provided levelling legs. Legs regulation varies from 38 to 50 mm.
***** Boiler weight depends on the equipment.
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