7
SECTION 2 - TECHNICAL DATA
2.1 Central Heating
Vibe 20A
Vibe 25A
Heat input (kW)
20.00
25.00
Maximum heat output (kW) 60/80°C
19.50
24.45
Minimum heat output (kW) 60/80°C
4.91
5.90
Maximum heat output (kW) 30/50°C
20.84
26.23
Minimum heat output (kW) 30/50°C
5.36
6.40
Minimum working pressure
0.25-0.45 bar
Maximum working pressure
3 bar
Minimum flow rate
350 l/h
2.2 Gas Pressures
Vibe 20A
Vibe 25A
Inlet pressure (G20)
20.0 mbar
20.0 mbar
Heating maximum gas rate (m3/hr)
2.12
2.64
Minimum gas rate (m3/hr)
0.53
0.63
Injector size (mm)
4.8
5.6
Silencer flange (ø mm) (fitted)
31
-
2.3 Expansion Vessel
Vibe 20A
Vibe 25A
Capacity
8 litres
Maximum system volume
74 litres
Pre-charge pressure
1 bar
2.4 Dimensions
Vibe 20A
Vibe 25A
Height (mm)
715
Width (mm)
405
Depth (mm)
250
Dry weight (kg)
26
28
2.5 Clearances
Vibe 20A
Vibe 25A
Sides
12mm
Top
150mm from casing or 25mm above flue elbow (whichever is applicable)
Bottom
150mm
Front
600mm
2.6 Connections
Vibe 20A
Vibe 25A
Flow & return
22mm
Gas
15mm
Safety valve
15mm
Condense
21mm
2.7 Electrical
Vibe 20A
Vibe 25A
Power consumption (Watts)
96
107
Voltage (V/Hz)
230/50
Internal fuse
3.15A T (for PCB) - 3.15A F (for connections block)
External fuse
3A
2.8 Flue Details (concentric)
Vibe 20A
Vibe 25A
Maximum horizontal flue length (60/100mm)
5.85m
4.85m
Maximum vertical flue length (60/100mm)
6.85m
5.85m
2.8A Flue Details (twin pipes)
Vibe 20A
Vibe 25A
Maximum horizontal flue length (80mm/80mm)
45m/45m
40m/40m
Maximum vertical flue length (80mm/80mm)
45m/45m
40m/40m
2.9 Efficiency
Vibe 20A
Vibe 25A
SEDBUK (%)
90.13
90.26
2.10 Emissions
Vibe 20A
Vibe 25A
CO
2
@ maximum output (%)
9.0
9.0
CO
2
@ minimum output (%)
9.5
9.5
CO @ maximum output (ppm)
180
160
CO @ minimum output (ppm)
20
20
NOx rating
class 5
class 5