11
3062547_201802
Oilcondensingboilers COB-29 COB-29/TS COB-40
Rated heating output at 80/60 °C, stage 1/2
kW 18,5 / 28,2 18,5 / 28,2 25,3 / 38,0
Rated heating output at 50/30 °C, stage 1/2 kW 19,6 / 29,6 19,6 / 29,6 26,8 / 40,0
Rated load, stage 1/2 kW 19,0 / 29,0 19,0 / 29,0 26,0 / 38,8
Oil throughput, stage 1/2
kg/h 1,60 / 2,45 1,60 / 2,45 2,44 / 3,64
Rated capacity TS (equivalent)
l - 160 (260) -
TS continuous cylinder output kW/Ltr/h - 29 / 710 -
TS output factor NL60 - 5.0 -
DHW output TS l/10 min - 300 -
Standby input TS kWh/24 h - 1,47 -
Max. permissible cold water supply pressure TS* bar - 10 -
Minimum anode current, protective magnesium anode
mA - > 0,3 -
External diameter, heating ow
G 1½" 1½" 1½"
External diameter, heating return G 1½" 1½" 1½"
Drain connection 1“ 1“ 1“
Oil connection, ow/return hoses G 3/8“ 3/8“ 3/8“
Cold water supply G - 3/4“ -
DHW connection G - 3/4“ -
DHW circulation connection
G - 3/4“ -
Height
mm 1290 1290 1490
Width mm 566 1132 566
Depth mm 605 605 605
Boiler weight kg 99 99 122
Cylinder weight
kg - 76 -
Balanced ue connection
mm 80/125 80/125 110/160
Air/ue gas routing
Type B23, B33, C33(x), C43(x), C53(x), C63(x), C83(x), C93(x)
Fuel oil to DIN 51603-1/6
Fuel oil EL, low sulphur, bio-oil B10 or fuel oil EL standard
Nozzle * Danfoss 0.55 / 80° S LE
Fuel oil lter Siku max. 40 μm
CO
2
setting stage 1 and stage 2 % 13,5 ± 0,3 13,5 ± 0,3 13,5 ± 0,3
Pump pressure stage 1 bar 8,5 ± 1,0 8,5 ± 1,0 11,0 ± 1,0
Pump pressure stage 2 bar 16,8 ± 2,5 16,8 ± 2,5 23,5 ± 2,5
Maximum negative pressure in oil line bar -0,3 -0,3 -0,3
Flow temperature, factory setting °C 80 80 80
Max. Flow temperature °C 90 90 90
Heating water pressure drop at Δ T=20 K mbar 17 17 54
Heating water pressure drop at Δ T=10 K mbar 55 55 205
Max. permissible boiler pressure bar 3 3 3
Heating surface, heating water heat exchanger m² 3,05 3,05 3,85
Water capacity of the heat exchanger
litres 9.0 9.0 11,5
Standard seasonal efciency [to DIN] at 40/30 °C (H
i
/ H
s
)
% 105 / 99 105 / 99 104 / 98
Standard seasonal efciency [to DIN] at 75/60 °C (H
i
/ H
s
)
% 101 / 96 101 / 96 98 / 93
Efciency at rated load at 80/60 °C (H
i
/ H
s
) % 97 / 91 97 / 91 98 / 92
Efciency at 30% partial load and TR=30 °C (H
i
/ H
s
) % 103 / 97 103 / 97 103 / 98
Boiler standby loss qB at 70 °C (EnEV)
% 0,55 0,55 0,45
Rated heat input (stage 2):
Flue gas mass ow rate g/s 13,33 13,33 17,51
Flue gas temperature 50/30 - 80/60 °C °C 55 - 76 55 - 76 56 - 83
Available fan draught Pa 105 105 150
Lowest heat input (stage 1):
Flue gas mass ow rate g/s 9,05 9,05 10,91
Flue gas temperature 50/30 - 80/60 °C °C 40 - 64 40 - 64 43 - 68
Available fan draught
Pa 55 55 72
Electrical connection
V~/Hz 230/50 230/50 230/50
Integral fuse (medium time lag) A 5 A 5 A 5 A
Power consumption, stage 1 / stage 2 W 129 / 178 129 / 178 126 / 205
IP rating
IP 20 IP 20 IP 20
Amount of condensate at 40/30 °C
l/h 2,2 2,2 2.8
Condensate pH value
around 3 around 3 around 3
CE designation CE-0085BS0326
* this nozzle enables the emission requirements to be met in accordance with the standard and guarantees reliable operation.
No other nozzles are permissible!
6 Specication