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Specifications
3066501_201910
WOLF GmbH | 73
Oil condensing boiler
COB-2-15
COB-2-20
COB-2-29
COB-2-40
Flue gas mass flow rate
g/s
4.04
6.28
9.05
10.91
Flue gas temperature 50/30 - 80/60°C
°C
35 - 55
40 - 61
40 - 64
43 - 68
Available fan draught
Pa
32
45
55
72
Electrical connection
V~/Hz
230/50
230/50
230/50
230/50
Integral fuse (medium time lag)
A
4
4
4
4
Power consumption, stage 1 / 2
W
88 / 128
92 / 128
111 / 176
127 / 209
IP rating
IP20
IP20
IP20
IP20
Amount of condensate at 40/30°C
L/h
1.2
1.6
2.2
2.8
Condensate pH value
approx. 3
approx. 3
approx. 3
approx. 3
Minimum requirement software:
BM-2 programming unit
FW
2.60
2.60
2.60
2.60
AM display module
FW
1.70
1.70
1.70
1.70
HCM-2 PCB
FW
2.10
2.10
2.10
2.10
CE designation
CE-0085CT0160
*
This nozzle enables the emission requirements to be met in accordance with the standard and guarantees reliable operation. No
other nozzles are permissible!
Table 11.1
COB-2 oil condensing boiler specifications
11.2
TS stratification cylinder
TS stratification cylinder
15
20
29
Rated capacity (equivalent)
L 160 (200)
160 (240)
160 (260)
Continuous cylinder output
kW/L/h
15 / 370
20 / 490
29 / 710
Output factor
NL60
3.5
4.5
5.0
DHW output
L/10min
250
280
300
Standby input
kWh/24 h
1.47
1.47
1.47
Max. permitted cold water supply pressure
bar
10
10
10
Minimum anode current, protective magnesium
anode
mA
>0.3
>0.3
>0.3
Cold water supply
G
¾"
¾"
¾"
DHW connection
G
¾"
¾"
¾"
DHW circulation connection
G
¾"
¾"
¾"
Dimensions:
Height
mm
1290
1290
1290
Width
mm
566
566
566
Depth
mm
605
605
605
Weight
kg
76
76
76
Table 11.2
TS stratification cylinder specifications
11.3 Cascade
Cascade type
COB-2 2 x 29 3 x 29 4 x 29 2 x 40 3 x 40 4 x 40
Rated heating output
at 80/60°C
kW 57.6
86.4
115.2
77.0
115.5 154.0
at 50/30°C
kW 60.8
91.2
121.6
80.8
121.2 161.4
Rated heat input
kW 58.0
87.0
116.0
77.4
116.1 154.8
Lowest output
at 80/60°C stage 1
kW 18.9
18.9
18.9
27.4
27.4
27.4
at 50/30°C stage 1
kW 19.9
19.9
19.9
28.7
28.7
28.7
Lowest heat input
kW 19.0
19.0
19.0
27.5
27.5
27.5
Table 11.3
Cascade specifications