Technical Data; 2.1 Central Heating; 2.2 Domestic Hot Water; 2.3 Gas Pressures - Benchmark Procombi A Series Installation & Servicing Instructions Manual

SECTION 2

TECHNICAL DATA

2.1 Central Heating

Heat input (kW)
Maximum heat output (kW) 60/80°C
Minimum heat output (kW) 60/80°C
Maximum heat output (kW) 30/50°C
Minimum heat output (kW) 30/50°C
Minimum working pressure
Maximum working pressure
Minimum flow rate

2.2 Domestic Hot Water

Heat input (kW)
Flow Rate: ∆T35
o
C
Maximum inlet pressure
Minimum inlet pressure
Minimum flow rate

2.3 Gas Pressures

Inlet pressure (G20)
Heating maximum gas rate (m
DHW maximum gas rate (m
3
Minimum gas rate (m /hr)
Injector size (mm)

2.4 Expansion Vessel

Capacity
Maximum system volume
Pre-charge pressure

2.5 Dimensions

Height (mm)
Width (mm)
Depth (mm)
Dry weight (kg)

2.6 Clearances

Sides
Top
Bottom
Front

2.7 Connections

Flow & return
Gas
DHW hot & cold
Safety valve
Condense

2.8 Electrical

Power consumption (Watts)
Voltage (V/Hz)
Internal fuse
External fuse

2.9 Flue Details (concentric)

Maximum horizontal flue length (60/100mm)
Maximum vertical flue length (60/100mm)
Maximum horizontal flue length (80/125mm)
Maximum vertical flue length (80/125mm)

2.9A Flue Details (twin pipes)

Maximum horizontal flue length (80mm/80mm)
Maximum vertical flue length (80mm/80mm)

2.10 Efficiency

SEDBUK (%)

2.11 Emissions

CO @ maximum output (%)
2
CO @ minimum output (%)
2
CO/CO ratio @ maximum output
2
CO/CO ratio @ minimum output
2
CO @ maximum output (mg/kWh)
CO @ minimum output (mg/kWh)
NOx @ maximum output mg/kWh)
NOx @ minimum output (mg/kWh)
NOx rating
4
3 /hr)
3 /hr)
150mm from casing or 25mm above flue elbow (whichever is applicable)
A28
20
19.6
5.9
21.00
6.40
A28
28
11.5 l/pm 13.1 l/pm
0.15 bar
2.0 l/min
A28
20.0 mbar
2.12
2.96
0.63
6.7
A28
8-litres 10-litres
76-litres 91-litres
A28
780
400
358
40
PROCOMBI A Range
PROCOMBI A Range
A28
150W
3.15A T (for PCB) - 3.15A F (for connections block)
A28
7.8m
8.8m
20m
25m
A28
40m/40m 35m/35m
40m/40m 35m/35m
A28
90.3
A28
9.0
9.0
0.002 to 1 0.002 to 1
0.0004 to 1 0.0004 to 1
182.8
53.8
105.9
61.8
class 5
A32 A36
25 30
24.45 29.31
6.9 6.84
26.30 31.83
7.47 7.41
0.5 bar
2.7 bar
350 l/h
A32 A36
32 36
14.7 l/pm
6.0 bar
A32 A36
2.64 3.17
3.38 3.81
0.74 0.74
6.7 7.0
A32 A36
10-litres
91-litres
1.0 bar
A32 A36
780 780
450 450
358 358
43 45
12mm
150mm
600mm
22mm
15mm
15mm
15mm
21mm
A32 A36
150W 150W
230/50
3A
A32 A36
7.8m 7.8m
8.8m 8.8m
20m 20m
25m 25m
A32 A36
35m/35m
35m/35m
A32 A36
90.2 90.1
A32 A36
9.0 9.0
9.0 9.0
0.002 to 1
0.0004 to 1
215.0 215.0
32.3 32.3
105.9 88.3
61.8 70.6
class 5 class 5