Supplied By www.heating spares.co Tel. 0161 620 6677
Fanned Flue Combination Boiler
Heating and Instantaneous Domestic Hot Water
MAINTENANCE AND
SERVICE GUIDE
Dimensions
Technical data
Heat input C/H & DHW MX2 24 : 12 to 26,1 kW
Gross MX2 30 : 12 to 32,25 kW
Heat output C/H & DHW MX2 24 : 10 to 24 kW
Gross MX2 30 : 10 to 30kW
Max. operating pressure C/H circuit : 3 bar
Expansion vessel net capacity : 6 l (24kW) 8 l (30 kW)
Expansion vessel initial pressure : 0.7 bar(24kW) 1bar (30kW)
Electrical consumption : 150 w Max
Voltage : 230 v
Electrical protection index : IP44
Fuses : 2 A , 1.25 A and 0.315 A
DHW flow rate at 30°C MX2 24 : 11,4 l/min
MX2 30 : 14,3 l/min
DHW flow rate at 35°C MX2 24 : 9,85 l/min
MX2 30 : 12,25 l/min
Minimum DHW operating flow rate : 2 l/min
Minimum DHW working pressure : 0.1 bar
Maximum DHW working pressure : 10 bar
Gas category : II 2H 3+
Nominal gas flow rate at 15°C and 1013 mbar MX2 24 MX2 30
Maximum Minimum Maximum Minimum
power 24 kW power 10 kW power 30 kW power 10 kW
- Natural gas ( G 20) at 20 mbar 2.76 m
3
/h 1.27 m
3
/h 3.41 m
3
/h 1.27 m
3
/h
- Butane gas ( G 30) at 28 mbar 2.06 kg/h 0.94 kg/h 2.50 kg/h 0.94 kg/h
- Propane gas ( G 31) at 37 mbar 2.02 kg/h 0.93 kg/h 2.47 kg/h 0.93 kg/h
Injectors and gas valves seat diameter MX2 24 MX2 30
Natural gas Butane or Propane Natural gas Butane or Propane
- Manifold injectors (11 for 24 kW) 1.35 mm 0.80 mm 1,30 mm 0,80 mm
(14 for 30 kW)
I Safety valve outlet
J Heating flow
K D.H.W. flow
L Gas supply
M Cold water inlet
N Heating return
The boiler is suitable for the flue types:
• type C 12
• type C 32
• type C 52
Outer case dimensions :
- Height : 720
- Width : 390 (minimum space required 400)
- Depth : 296
c
All dimensions in mm
Fig. 1
These Instructions Must Be Left With The Appliance.
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