8
SECTION 2 - TECHNICAL DATA
2.1 Central Heating
Compact 25A
Compact 29A
Compact 32A
Heat input (kW)
20.00
25.00
25.00
Maximum heat output (kW) 60/80°C
19.50
24.45
24.45
Minimum heat output (kW) 60/80°C
4.91
5.90
5.90
Maximum heat output (kW) 30/50°C
20.84
26.23
26.23
Minimum heat output (kW) 30/50°C
5.36
6.40
6.40
Minimum working pressure
0.25-0.45 bar
Maximum working pressure
2.5 bar
Minimum flow rate
297 l/h
2.2 Domestic Hot Water
Heat input (kW)
25.00
29.00
31.60
Flow Rate: ΔT35°C
10.20
12.0
12.9
Maximum inlet pressure
8 bar
Minimum inlet pressure
0.15 bar
Minimum flow rate
2 l/min
2.3 Gas Pressures
Inlet pressure (G20)
20.0 mbar
20.0 mbar
20.0 mbar
Heating maximum gas rate (m3/hr)
2.12
2.64
2.64
DHW maximum gas rate (m3/hr)
2.64
3.07
3.34
Minimum gas rate (m3/hr)
0.53
0.63
0.63
Injector size (mm)
4.8
5.1
5.1
Silencer flange (ø mm) (fitted)
31
-
-
2.4 Fan speed
Slow ignition (rpm)
4.000
4.000
4.000
CH maximum number of fan rotation (rpm)
4.900
5.300
5.300
DHW maximum number of fan rotation (rpm)
6.100
6.200
6.900
Mimum number of fan rotation (rpm)
1.400
1.400
1.400
2.5 Expansion Vessel
Capacity
8 litres
Maximum system volume
74 litres
Pre-charge pressure
1 bar
2.6 Dimensions
Height (mm)
715
Width (mm)
405
Depth (mm)
250
Dry weight (kg)
29
29
29
2.7 Clearances
Sides
12mm
Top
150mm from casing or 25mm above flue elbow (whichever is applicable)
Bottom
150mm
Front
600mm
2.8 Connections
Flow & return
22mm
Gas
15mm
DHW hot & cold
15mm
Safety valve
15mm
Condense
21mm
2.9 Electrical
Power consumption CH (Watts)
68
77
77
Power consumption DHW (Watts)
82
89
99
Maximum electric power circulator (1000 l/h)
39
39
39
Voltage (V/Hz)
230/50 230/50
Internal fuse
3.15A T (for PCB) - 3.15A F (for connections block)
External fuse
3A
2.10 Flue Details (concentric 60-100)
Maximum horizontal flue length (60/100mm)
5.85m
4.85m
4.85m
Maximum vertical flue length (60/100mm)
6.85m
5.85m
5.85m
2.10A Flue Details (concentric 80-125)
Maximum horizontal flue length (80/125mm)
15.3m
12.8m
12.8m
Maximum vertical flue length (80/125mm)
16.3m
13.8m
13.8m
2.10B Flue Details (twin pipes)
Maximum horizontal flue length (80mm/80mm)
45m/45m
40m/40m
40m/40m
Maximum vertical flue length (80mm/80mm)
45m/45m
40m/40m
40m/40m
2.11Efficiency
SEDBUK (%)
90.03
90.16
90.16
2.12 Emissions
CO
2
@ maximum output (%)
9.0
9.0
9.0
CO
2
@ minimum output (%)
9.5
9.5
9.5
CO @ maximum output (ppm)
180
160
160
CO @ minimum output (ppm)
20
20
20
NOx rating
class 6
class 6
class 6