Charging Boilers
Delta Plus A
Discontinued equipment
DESCRIPTION
DELTA PLUS boilers are distinguished by a modern design characteristic for automatic boilers. Use of precisely selected, multipoint air supply system to the furnace ensures good combustion parameters for wide range of fuels with various grain sizes. Boiler is equipped with innovative vertical shelf heat exchanger ensuring optimal flow of flue gas and high boiler efficiency. S3P controller with modified PID algorithm ensures even better performance by lower consumption of fuel with respect to the standard controllers. Control system cooperates with two pumps (central heating and hot utility water pumps) but it can be easily developed with e.g. mixing valve module or room controller.
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4 years of warranty for heat exchanger tightness, 2 years for the remaining components and efficient operation of boiler. |
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Heat exchanger made of certified high-grade boiler steel; |
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electronic adjustment of boiler with servicing of two pumps and PID algorithm; adjustable angle of position of control panel |
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high thermal efficiency reaching 83% thanks to increase heat recovery from flue gases
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adapted for installation in closed circuit in version NZ* |
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mechanical movable grate for removal of ash from water grates
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large furnace chamber |
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electronic adjustment of boiler with servicing of two pumps and PID algorithm; adjustable angle of position of control panel |
(*) - extra payable equipment, installed on Customer’s request
Power range: 8-22 kW - Table no. 1
Power range: 25-49 kW - Table no. 2
| Name of the boiler | Delta Plus | ||||||||||
| Specification/boiler type | Unit | 8 | 12 | 16 | 19 | 22 | 25 | 28 | 35 | 42 | 49 |
| Power range | kW |
2,4 -8 |
3,6 -12 |
4,8 -16 |
5,7 -19 |
6,6 -22 |
7,5 -25 |
8,4 -28 |
10,5 -35 |
12,6 -42 |
14,7 -49 |
| Heating area |
m2 |
1,2 | 1,4 | 1,8 | 2,0 | 2,2 | 2,4 | 2,7 | 3,2 | 4,2 | 4,9 |
|
Area of heated rooms 1 |
m2 |
to 110 | to 140 | to 180 | to 200 | to 230 | to 250 | to 280 | to 350 | to 440 | to 500 |
| Single fuel charging | kg | ~16 | ~22 | ~29 | ~29 | ~35 | ~40 | ~46 | ~65 | ~70 | ~76 |
| Optimum thermal efficiency | % |
~83% |
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| Energy efficiency class | - | D |
D |
C |
C |
D |
D |
D |
D |
D |
D |
|
Max. permissible operation pressure |
bar | opened system 1,5 / closed system 2,5 | |||||||||
| Required flue gas draught | Pa | 18 | 21 | 24 | 26 | 27 | 28 | 29 | 31 | 32 | 34 |
| Max. temp. of water on supply | °C | 65/85 | |||||||||
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Boiler weight 2 |
kg | 235 | 262 | 295 | 308 | 331 | 360 | 390 | 437 | 497 | 563 |
| Boiler water tank capacity | l | 49 | 55 | 70 | 74 | 82 | 90 | 98 | 114 | 136 | 158 |
| Chimney section | cmxcm | 14x14 | 14x14 | 14x14 | 14x14 | 15x15 | 16x16 | 16x16 | 18x18 | 20x20 | 21x21 |
| Chimney section |
Ø mm |
160 | 160 | 160 | 160 | 165 | 175 | 185 | 200 | 220 | 235 |
|
Minimum chimney height |
m |
5 |
5 |
6 |
6,5 |
7 |
7 |
7,5 |
8 |
8 |
8,5 |
| Width | mm | 648 | 648 | 648 | 648 | 698 | 748 | 798 | 852 | 852 | 852 |
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Depth |
mm |
990 |
1082 |
1094 |
1094 |
1094 |
1094 |
1094 |
1114 |
1262 |
1410 |
| Height | mm | 1034 | 1034 | 1134 | 1184 | 1184 | 1184 | 1184 | 1236 | 1236 | 1239 |
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Diameter of supply and return Dn |
mm |
G1 ½” |
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| Diameter of flue | mm | 159 | 159 | 159 | 159 | 159 | 159 | 178 | 178 | 178 | 178 |
| Maximum power consumption | W | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 165 | 165 |
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Height to bottom edge of the flue |
mm |
573 |
573 |
673 |
723 |
723 |
723 |
714 |
765 |
768 |
768 |
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Dimensions of charging chamber and charging hole |
width depth height width x height |
258 270 240 258x208 |
258 365 240 258x208 |
258 404 280 258x238 |
258 404 280 258x288 |
308 404 280 308x288 |
358 404 280 358x288 |
408 404 280 408x288 |
458 424 330 458x288 |
458 464 330 458x288 |
458 504 330 458x288 |
1 Maximum area of heated rooms estimated for unit heat demand q=80W/m².
2 Boiler weight depends on the equipment.
3 Extra paid option, installed on the customer’s request.
4 Foot of mobile grate is not available for 8kW model.
