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1.3. TECHNICAL SPECIFICATION
TECHNICAL SPECIFICATION
Unit
MinerWa 25 System – IE
GC Number
Maximum DHW Heat Input
(When the boiler is connected to an external storage tank unit)
kW
31.5
Maximum CH Heat Input (net)
kW
24.2
Minimum Heat Input (net)
kW
3.5
Heating Circuit
G20
G31
Maximum Heat Output (80/60 °C)
Pn
23.7
23.7
Minimum Heat Output (80/60 °C)
Pn
3.0
2.5
Maximum Heat Output (50/30 °C)
Pnc
25
25
Minimum Heat Output (50/30 °C)
Pnc
3.6
2.9
Maximum Pressure
bar
3
Minimum Pressure
bar
0.3
Expansion Vessel Water Capacity
Litres
8
Expansion Vessel Pre-Charge
bar
1
Maximum Water Capacity in System
Litres
125
CH Temperature Adjustment
°C
25-80
DHW Circuit
G20
G31
Domestic Hot Water flow rate (
Δ
T 35 °C)
l/min
- -
Maximum Water Pressure
bar
- -
Minimum Flow Rate for Boiler Activation
Litres
- -
DHW Temperature Adjustment
°C
35-60
Combustion Specification
G20
G31
Gas Rate - Max
m³/h
2.38
0.92
Gas Rate – Min
m³/h
0.37
0.11
C02 – Maximum Power (AUTO CALIBRATION ONLY)
%
8.7 - 9.2
10 - 10.5
C02 – Minimum Power (AUTO CALIBRATION ONLY)
%
8.6 – 9.4
10 – 10.5
C02 – Ignition Power (AUTO CALIBRATION ONLY)
%
8.8 – 9.3
10 – 10.5
Minimum Inlet dynamic Gas Pressure
mbar
14.00
37.00
Electrical Specification
Power Supply
V
240
External Supply Fuse Rating
amp
3
Internal Supply Fuse Rating
amp
3.15
Electricity Consumption
W
95
Index Protection
IP
IPX5D
Electrical Power Supply Frequency
Hz
50
General
Flow Connection
mm
22
DHW Connection
mm
15
Gas Connection
mm
22
Cold Inlet Connection
mm
15
Return Connection
mm
22
Condensate Connection
mm
21.5
PRV Connection – Copper
mm
15
Dimensions (H x W x D)
mm
595 x 379 x 260
Net Weight
kg
26
Packaged Weight
kg
29
Clearances Above Casing
mm
200
Clearances Below Casing
mm
300
Clearances Front - Operational
mm
5
Clearances Front - Servicing
mm
450
Clearances Right Hand Side
mm
25
Clearances Left Hand Side
mm
25
Sound Level
dB
55
NOx Classification
6