Technical Data - Potterton Promax SL range Installation & Service Instructions Manual

Appliance Type C
13
Appliance Category
Heat Input (Q)(Gross) Max
12 model kW 13.34
Btu/hr 45,518
15 model kW 16.88
Btu/hr 57,600
18 model kW 20.18
Btu/hr 68,850
24 model kW 24.50
Btu/hr 83,600
30 model kW 33.76
(see note) Btu/hr 115,200
Heat Output (P)
(Non Condensing 70° C Mean Water Temp)
Max
12 model kW 11.82
Btu/hr 40,330
15 model kW 15.24
Btu/hr 52,000
18 model kW 17.81
Btu/hr 60,770
24 model kW 22.00
Btu/hr 75,000
30 model kW 30.18
Btu/hr 102,980
Heat Output (P)
(Condensing 40° C Mean Water Temp)
Max
12 model kW 12.81
Btu/hr 43,400
15 model kW 16.49
Btu/hr 56,260
18 model kW 19.27
Btu/hr 64,898
24 model kW 23.8
Btu/hr 81,200
30 model kW 32.61
Btu/hr 113,280
NOTE: The maximum output of the 30
model is factory set at 22.0kW (75,000
Btu/hr). This can be altered to 30.18kW
(102,980 Btu/hr) - see section 10 .8.
SEDBUK Declaration
For 12 model - The efficiency is 90.5%
For 15 model - The efficiency is 91.3%
For 18 model - The efficiency is 90.4%
For 24 model - The efficiency is 90.9%
For 30 model - The efficiency is 90.9%
This value is used in the UK Government's Standard
Assessment Procedure (SAP) for energy rating of
dwellings. The test data from which it has been
calculated has been certified by 0087.
10
© Baxi Heating UK Ltd 2014
Max Gas Rate
C C
33 53
(After 10 Mins)
CAT I
(12)
2H
Btu/hr 40,950 52,000 61,400
Min
m 3 /hr 1.34
10.2
ft 3 /hr 47.3
34,840
Injector (Natural Gas)
10.2
6.5mm Diameter
34,840
10.2
Nox Class
34,840
Horizontal
10.2
Flue Terminal
34,840
Dimensions
10.2
34,840 Connections
Gas Supply
Central Heating Flow
Central Heating Return
Min
Condensate Drain
9.14
31,180
Outercase Dimensions
Overall Height
9.14
Casing Height
31,180
Casing Width
9.14
Casing Depth
31,180
9.14
Clearances
31,180
(For unventilated compartments see Section 7.2)
9.14
Both Sides
31,180
Above Casing
Below Casing
Front (For Servicing)
Front (In Operation)
Min
Weights
Packaged Boiler Carton
10.1 Packaged Flue Kit
34,520
Installation Lift Weight
CO/CO
10.1
CO 2 Level
34,520
10.1
NOTE: All data in this section are nominal values
34,520
and subject to normal production tolerances
(2H - G20 - 20mbar)
(15) (18) (24) (30)
75,000 102,980
1.64 1.94 2.31 2.95
52.1 68.5 83.3 104.2
5
Diameter 110mm
Projection 150mm
- 1 / in BSPT
2
- 22mm
- 22mm
- 1 in BSP
- 750mm
Inc Flue Elbow
- 600mm
- 390mm
- 280mm
5mm Min
200mm Min
50mm Min
500mm Min
5mm Min
kg
36.2
3.6
26.0
2 Ratio Up to a maximum
of 0.004
9% ± 1%
Hydraulic Resistance Chart
220
200
180
160
140
120
100
80
60
40
20
0 10
Water Flow Rate (litres/min)

4.0 Technical Data

Electrical Supply
(Appliance must be connected to an
earthed supply)
Power Consumption
External Fuse Rating
Internal Fuse Rating (BS 4265)
Fuse 3.15 AT (PCB)
Electrical Protection
Water Content
litres 2.6
pints 4.6
Static Head
max 30 metres (100 ft)
min 1 metre (3.25 ft)
Low Head 0.2m (8 in) min
System Detail
fully pumped open vented & sealed systems
Gas Connection
G 1 /
Controls
boiler thermostat, safety thermostat,
flow switch, electronic flame sensing,
temperature protection thermostat &
condensate blockage sensor
Inlet Pressure at Gas Valve (Natural Gas)
Min 18.1 mbar
Max 22.5 mbar
(see Section 12.1)
Flow Temperature (adjustable)
55° C to 78° C (± 5° C)
Recommended System
Temperature Drop
Condensing 20°C
20 30
230V~ 50Hz
80W
3A
IPX2
" B.S.P. Thread
2
36°F
91
83
75
66
58
50
42
33
25
17
8
40