Technical Data - Baxi Megaflo System I5 HE IE Installation & Servicing Instructions Manual

Appliance Type C C
13 33
Appliance Category CAT I
Heat Input (Net) Max
15 model kW 15.4
18 model kW 18.5
24 model kW 24.7
28 model kW 28.9
32 model kW 32.8
Heat Input (Gross)
Max
15 model kW 17.1
18 model kW 20.5
24 model kW 27.4
28 model kW 32.1
32 model kW 36.4
Heat Output (Non-Condensing)
Max
15 model kW 15
18 model kW 18
24 model kW 24
28 model kW 28
32 model kW 32
Heat Output (Condensing)
Max
15 model kW 16.2
18 model kW 19.4
24 model kW 25.9
28 model kW 30.3
32 model kW 34.4
Max Gas Rate
(Natural Gas - G20)
(After 10 mins)
15 model m /h 1.69
3
18 model m /h 1.95
3
24 model m /h 2.61
3
28 model m /h 3.1
3
32 model m /h 3.48
3
Injector (Natural Gas - G20)
15 model 4.5mm
18 model 5.7mm
24 model 7.5mm
28 model 12mm
32 model 12mm
© Baxi Heating UK Ltd 2011
Supplied By www.heating spares.co Tel. 0161 620 6677
C
Inlet Pressure (Natural Gas - G20)
53
mbar
2H
Electrical Supply
Min
(Appliance must be connected to an
4
earthed supply)
4.3
Power Consumption
7
15 model
18 model
9.7
24 model
9.7
28 & 32 models
Min
Electrical Protection
4.4
4.8
External Fuse Rating
7.8
Internal Fuse Rating
10.8
Condensate Drain
10.8
To accept 21.5mm (
Flue Terminal
Min
Dimensions
3.9
Connections
4.2
Gas Supply
Central Heating Flow
6.8
Central Heating Return
9.4
Pressure Relief Discharge
9.4
Outercase Dimensions
Casing Height
Min
Overall Height Inc Flue Elbow
4.2 Casing Width
Casing Depth
4.5
Clearances
7.4
Above Casing
10.2
Below Casing
10.2
Front
Front
L.H. Side
R.H. Side
*This is the MINIMUM recommended dimension. Greater
clearance will aid installation and maintenance.

4.0 Technical Data

4.1 Megaflo System 15, 18, 24, 28 & 32 HE IE
NO x Class
20
Central Heating Primary Circuit
230V~ 50H z
Pressures (Sealed Systems)
Safety Discharge
Max Operating
Min Operating
130W
Recommended Operating Range
140W
150W
For 'Semi-Sealed' Systems it is recommended that
160W
the system is designed to achieve a pressure of
0.2 bar at the boiler (see Section 6.4).
IPX5D
Pump
3A
Available Head
F2L
Expansion Vessel
Min Pre-charge Pressure
/ in) plastic waste pipe
3
4
Diameter 100mm
Projection 125mm
Max Capacity of
CH System
copper tails
- 3/4"
Primary Water Content
- 3/4"
of Boiler (unpressurised)
- 3/4"
- 1/2"
Temperatures
Flow Temp
- 780mm
- 965mm
Weights
- 450mm
- 345mm
Packaged Boiler Carton
Installation Lift Weight
200 mm Min
150 mm Min*
450 mm Min
(For Servicing)
Packaged Boiler Carton
5 mm Min
(In Operation)
Installation Lift Weight
5 mm Min
5 mm Min
(In Operation)
Pump - Available Head
5.5
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0 200 400
5
See graph below
- (Integral with appliance)
bar
0.5
litre
125
2.5
(adjustable)
25°C to 80°C (± 5°C)
max
15 & 18
52.5kg
43kg
28 & 32
54.5kg
45kg
600 800 1000 1200
Flow Rate (l/h)
bar
3
2.5
0.5
1-2
24
53.5kg
44kg
9