Boiler Specifications; Technical Data - Vaillant ecoTEC plus Instructions For Installation And Servicing

2

Boiler specifications

2.1

Technical data

Technical data
CH heat output range
80 °C flow/60 °C return
60 °C flow/40 °C return
50 °C flow/30 °C return
40 °C flow/30 °C return
Maximum DHW output
Maximum output for heating
Minimum output
Category
SAP Seasonal Efficiency
Inlet gas working pressure required (G20, natural gas)
Inlet gas working pressure required (G31, Propane)
Connected load (if needed, related to stored charge/
water heating) at 15 °C and 1013 (mbar) hPa
Exhaust mass rate
at minimum thermal load (40 °C flow/30 °C return)
at maximum thermal load (80 °C flow/60 °C return)
Exhaust temperature
at minimum thermal load (40 °C flow/30 °C return)
at maximum thermal load (80 °C flow/60 °C return)
NOx class
Protection class
max. flow temperature
Adjustable flow temperature
Default setting: max. 75 °C
Maximum CH system pressure
Circulation water volume ( T=20 K)
Approx. condensation volume
at 50 °C flow/30 °C return heating
Pump delivery height
Minimum DHW flow rate
DHW flow rate T=35 K rise
Appr. DHW flow rate at factory set temp. rise ( T=42 K)
Permitted DHW overpressure
Mains water pressure required for max. flow rate
Mains water pressure required for min. flow rate
Hot water discharge temperature range
Exhaust flue
Flue categories
10 l expansion vessel pre-charge pressure
Connections heating flow/return
Gas inlet
Pressure relief discharge pipework (min.)
Condensate drain (min. internal drain)
Dimensions (H x W x D)
Weight (boiler only)
Primary water content
Electrical supply voltage
Internal fuse (slow) main voltage
Power input
Table 2.1 Technical data ecoTEC combination boiler
Instructions for installation and servicing ecoTEC 839592_13
ecoTEC plus
824 831
6.7 – 19.0 8.7 – 24.0
6.9 – 19.6 9.0 – 24.7
7.1 – 20.2 9.2 – 25.5
7.2 – 20.6 9.4 – 26.0
23.0 31.0
19 24
6.7 8.7
88.5 88.9
G20: 2.5 G20: 3.3
G31: 1.82 G31: 2.46
3.2 4.2
10.7 14.4
40 40
74 83
30 – 85
817 1032
1.8 2.2
9.4 12.7
7.9 10.6
(0.5) 50 (0.75) 75
C13, C33, C43, C53, C83, B23, B33
15
720 x 440 x
720 x 440 x
335
369
34 39
1.9 2.3
110 115
Boiler specifications
ecoTEC pro
837 24
12.0 – 28.0 6.7 – 19.0
12.3 – 28.9 6.9 – 19.6
12.7 – 29.7 7.1 – 20.2
12.9 – 30.3 7.2 – 20.6
37 23.0
28 19
12 6.7
II
2H3P
88.8 88.89
20
37
G20: 4.0 G20: 2.5
G31: 2.94 G31: 1.82
5.7 3.2
17.1 10.7
40 40
70 74
5
IP X4D
85
30 – 85 30 – 85
(3.0) 0.3
1204 817
2.9 1.8
250
1.5
15.2 9.4
12.6 7.9
(10) 1
(0.75) 75 (0.5) 50
(0.15) 15
35 – 65
60/100
(0.75) 75
22
22 15
15
19
720 x 440 x 720 x 440 x
403 335
46 36
2.5 1.9
230/50
2
155 110
2
Units
28
9.0 – 24.0 kW
9.3 – 24.7 kW
9.6 – 25.5 kW
9.8 – 26.0 kW
28.0 kW
24 kW
9.0 kW
88.8 %
(mbar)
hPa
(mbar)
hPa
3
G20: 3.0 m /h
G31: 2.22 kg/h
4.4 g/s
13.0 g/s
40 °C
79 °C
°C
°C
(bar)
MPa
1032 l/h
2.2 l/h
(mbar)
hPa
l/min
11.5 l/min
9.6 l/min
(bar)
MPa
(bar)
(0.5) 50
kPa
(bar)
kPa
°C
mm
(bar)
kPa
mm
mm
mm
mm
720 x 440 x
mm
369
38 kg
2.1 l
V ~/Hz
A
110 W
7