Vaillant ecoTEC plus VUI, Инструкция по установке и обслуживанию

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Technical data
Installation and maintenance instructions ecoTEC plus 0020134833_01
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17 Technical data
ecoTEC plus Unit 937 (VUI GB 376/5-5)
Nominal heat output range P at 50/30 °C kW 7.1 - 30.1
Nominal heat output range P at 80/60 °C kW 6.4 - 28.6
Maximum heat output for hot water generation kW 38.7
Maximum heat input for hot water generation kW 39.2
Maximum heat input at the heating side kW 28.9
Minimum heat input G20 kW 6.8
Minimum heat input G31 kW 9.0
Minimum heat output for G31 kW 8.5
Heating output setting range kW 6 - 28
Heating
Max. flow temperature °C 85
Max. flow temperature setting range
(factory setting: 75 °C)
°C 30 - 80
Min. pressure for full operation MPa/bar 0.8
Permissible total overpressure MPa/bar 0.3/3
Expansion vessel capacity l 10
Circulation water quantity (with reference to
D
T = 20 K)
l/h 1204
Condensate rate approx. (pH value 3.5 °–4.0)
in heating mode 50 °C flow/30 °C return
l/h 2.9
Remaining feed head of pump (at nominal circulation
water volume)
MPa/bar 0.020/0.20
Hot water handling
Lowest water volume l/min 1.5
Water volume (at
D
T = 42 K)
l/min 13.2
Water volume (at
D
T = 35 K) l/min 15.8
Water volume (at
D
T = 30 K) l/min 18.5
Permitted overpressure MPa/bar 1.0/10
Required connection pressure MPa/bar 0.035/0.35
Hot water output temperature range °C 35 - 65
General
Boiler-side gas connection mm 22
Flow/return heating connections, boiler side mm 22
Connecting the hot and cold water, boiler side Inches G 3/4
Connector expansion relief valve (minimum) mm 15
Condensate discharge pipework (minimum) mm 19
Flue gas spigot mm 60/100 (concentric), optional 80/125 (concentric)
Gas connection pressure (gas flow pressure) natural
gas, G20
kPa/mbar 0.20/20
Gas connection pressure (gas flow pressure) propane,
G31
kPa/mbar 0.37/37
Gas flow rate at 15 °C and 1013 mbar
(based on hot water generation if applicable)
G20
G31
m
3
/h
kg/h
4.1
3.05
Flue gas mass rate min./max. g/s 3.0/17.6
Flue gas temperature min./max. °C 40/70
Approved flue gas connections C13, C33, C43, C53, C83, C93, B53P
NOx class 5
NOx mg/kWh 27.4
SEDBUK (2005) A
SEDBUK (2009) (G20) 89.4
Boiler dimensions (H x W x D) mm 720 x 440 x 601
Mounting weight approx. kg 41
Electrical connection V/Hz 230/50
Built-in fuse 2 A, slow-blow
17.1 Technical data for ecoTEC plus VUI boiler