Table of Contents
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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)
Unica 28HE
Unica 32HE
20
19.6
5.9
21.00
6.40
Unica 28HE
Unica 32HE
28
11.5 l/pm
13.1 l/pm
Unica 28HE
Unica 32HE
20.0 mbar
2.12
2.96
0.63
6.7
Unica 28HE
Unica 32HE
8-litres
76-litres
Unica 28HE
Unica 32HE
780
400
358
40
UNICA HE Range
UNICA HE Range
Unica 28HE
Unica 32HE
150W
3.15A T (for PCB) - 3.15A F (for connections block)
Unica 28HE
Unica 32HE
7.8m
8.8m
20m
25m
Unica 28HE
Unica 32HE
40m/40m
35m/35m
40m/40m
35m/35m
Unica 28HE
Unica 32HE
90.3
Unica 28HE
Unica 32HE
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
Unica36HE
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
Unica36HE
32
36
14.7 l/pm
6.0 bar
0.15 bar
2.0 l/min
Unica36HE
2.64
3.17
3.38
3.81
0.74
0.74
6.7
7.0
Unica36HE
10-litres
10-litres
91-litres
91-litres
1.0 bar
Unica36HE
780
780
450
450
358
358
42
45
12mm
150mm
600mm
22mm
15mm
15mm
15mm
21mm
Unica36HE
150W
150W
230/50
3A
Unica36HE
7.8m
7.8m
8.8m
8.8m
20m
20m
25m
25m
Unica36HE
35m/35m
35m/35m
Unica36HE
90.2
90.1
Unica36HE
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
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