Wolf COB - Energy Saving Tips; Heating Mode Savings

10
3062547_201802
6 Specication
Oilcondensingboilers COB-15 COB-15/TS COB-20 COB-20/TS
Rated heating output at 80/60 °C, stage 1/2
kW 9,0 / 14,4 9,0 / 14,4 13,1 / 19,0 13,1 / 19,0
Rated heating output at 50/30 °C, stage 1/2 kW 9,5 / 15,1 9,5 / 15,1 13,9 / 20,0 13,9 / 20,0
Rated load, stage 1/2 kW 9,2 / 14,7 9,2 / 14,7 13,5 / 19,6 13,5 / 19,6
Oil throughput, stage 1/2
kg/h 0,86 / 1,38 0,86 / 1,38 1,15 / 1,66 1,15 / 1,66
Rated capacity TS (equivalent)
l - 160 (200) - 160 (240)
TS continuous cylinder output kW/Ltr/h - 15 / 370 - 20 / 490
TS output factor NL60 - 3.5 - 4,5
DHW output TS l/10 min - 250 - 280
Standby input TS
kWh/24 h
- 1,47 - 1,47
Max. permissible cold water supply pressure TS* bar - 10 - 10
Minimum anode current, protective magnesium anode
mA - > 0,3 - > 0,3
External diameter, heating ow
G 1½" 1½" 1½" 1½"
External diameter, heating return G 1½" 1½" 1½" 1½"
Drain connection 1“ 1“ 1“ 1“
Oil connection, ow/return hoses G 3/8“ 3/8“ 3/8“ 3/8“
Cold water supply G - 3/4“ - 3/4“
DHW connection G - 3/4“ - 3/4“
DHW circulation connection
G - 3/4“ - 3/4“
Height
mm 1290 1290 1290 1290
Width mm 566 1132 566 1132
Depth mm 605 605 605 605
Boiler weight kg 92 92 92 92
Cylinder weight
kg - 76 - 76
Balanced ue connection
mm 80/125 80/125 80/125 80/125
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
0.30/80° S
Danfoss
0.40 / 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 13,5 ± 0,3
Pump pressure stage 1 bar 5,0 ± 1,0 5,0 ± 1,0 8,5±1,0 8,5 ± 1,0
Pump pressure stage 2 bar 12,0 ± 2,5 12,0 ± 2,5 16,8 ± 2,5 16,8 ± 2,5
Maximum negative pressure in oil line bar -0,3 -0,3 -0,3 -0,3
Flow temperature, factory setting °C 80 80 80 80
Max. Flow temperature °C 90 90 90 90
Heating water pressure drop at Δ T=20 K mbar 3,6 3,6 6 6
Heating water pressure drop at Δ T=10 K mbar 12 12 21 21
Max. permissible boiler pressure bar 3 3 3 3
Heating surface, heating water heat exchanger m² 2,55 2,55 2,55 2,55
Water capacity of the heat exchanger
litres 7.5 7.5 7.5 7.5
Standard seasonal efciency [to DIN] at 40/30 °C (H
i
/ H
s
)
% 105 / 99 105 / 99 105 / 99 105 / 99
Standard seasonal efciency [to DIN] at 75/60 °C (H
i
/ H
s
)
% 100 / 95 100 / 95 101 / 96 101 / 96
Efciency at rated load at 80/60 °C (H
i
/ H
s
) % 97 / 91 97 / 91 97 / 92 97 / 92
Efciency at 30% partial load and TR=30 °C (H
i
/ H
s
) % 103 / 97 103 / 97 103 / 97 103 / 97
Boiler standby loss qB at 70 °C (EnEV)
% 0.75 0.75 0.75 0.75
Rated heat input (stage 2):
Flue gas mass ow rate g/s 6,45 6,45 9,06 9,06
Flue gas temperature 50/30 - 80/60 °C °C 40 - 63 40 - 63 49 - 69 49 - 69
Available fan draught Pa 65 65 65 65
Lowest heat input (stage 1):
Flue gas mass ow rate g/s 4,04 4,04 6,28 6,28
Flue gas temperature 50/30 - 80/60 °C °C 35 - 55 35 - 55 40 - 61 40 - 61
Available fan draught
Pa 32 32 45 45
Electrical connection
V~/Hz 230/50 230/50 230/50 230/50
Integral fuse (medium time lag) A 5 A 5 A 5 A 5 A
Power consumption, stage 1 / stage 2 W 86/128 86/128 99/139 99/139
IP rating
IP 20 IP 20 IP 20 IP 20
Amount of condensate at 40/30 °C
l/h 1,2 1,2 1,6 1,6
Condensate pH value
around 3 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!