Technical Data - Potterton Promax System HE Installation And Servicing Instructions

Appliance Type
Appliance Category CAT I
Heat Input Max
kW 33.76
Btu/h 115,200
Heat Output
(Non Condensing 70° C Mean Water Temp)
Max
kW 30.18
Btu/h 102,980
Heat Output
(Condensing 40° C Mean Water Temp)
Max
kW 32.61
Btu/h 111,280
Max Gas Rate (Natural Gas)
(After 10 Mins)
Btu/hr 102,980
m 3 /h 2.95
ft 3 /h 104.2
Inlet Pressure (Natural Gas)
Min 18.1 mbar
Max 22.5 mbar
(see Section 10.1)
Injector (Natural Gas)
6.3mm Diameter
Nox Class 5
Horizontal
Flue Terminal Diameter
Dimensions Projection
SEDBUK Declaration For
Potterton Promax System HE
The seasonal efficiency (SEDBUK) 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 have been
certified by 0086.
NOTE: The maximum output of the
boiler is factory set at 22.0kW
(75,000 Btu/hr). This can be altered
to 30.18kW (102,980 Btu/hr)
- see section 8.7.
C C Connections
13 33
Gas Supply
Central Heating Flow
2H
Central Heating Return
Min
Pressure Relief Discharge -
10.2
Condensate Drain
34,840
Outercase Dimensions
Overall Height
Casing Height
Casing Width
Min
Casing Depth
9.14
31,180
Clearances
(For unventilated compartments see Section 7.5)
Both Sides
Above Casing
Min
Below Casing
10.1
Front (For Servicing)
Front (In Operation)
34,520
Weights
Packaged Boiler Carton
Packaged Flue Kit
75,000
Weight Empty
2.36
Installation Lift Weight
83.3
Recommended System
Temperature Drop
Normal
Condensing 20°C
Central Heating Primary
Circuit Pressures
Safety Discharge
Max Operating
Min Operating
Recommend Operating
110mm
150mm

4.0 Technical Data

copper tails
- 22mm
- 22mm
- 22mm
15mm
- 1 in BSP
- 1000mm
Inc Flue Elbow
- 850mm
- 490mm
- 325mm
5mm Min
200mm Min
200mm Min
500mm Min
5mm Min
kg lb
54.7 120.6
3.6 8.0
49.4 108.9
41 90.4
11°C 20°F
36°F
bar lb/in 2
3 43.5
2.5 36.3
1 10.9
1-2 14.5-29
Central Heating Circuit available Pump Head
600
500
400
300
200
100
0
0 120 240
Where flow rates are required in excess of 840 l/h, please refer to page 21.
Electrical Supply 230V~ 50Hz
(Appliance must be connected to an
earthed supply)
Power Consumption 200W
External Fuse Rating 3A
Internal Fuse Rating (BS 4265)
Fuse (2) 4 AT (Control Board)
Fuse (3) 2 AT (Ignition Board)
Water Content
litres 3.5
pints 6.2
Expansion Vessel - (For Central Heating
only. Integral with appliance)
bar
Min Pre-charge Pressure 0.95
Nominal Pre-charge
Pressure 1
litre
Max Capacity of
CH System 125
Controls
boiler thermostat, safety thermostat,
flow switch, electronic flame sensing,
temperature protection thermostat &
condensate blockage sensor.
360 480 600
Flow Rate (l/h)
lb/in 2
13.6
14.5
gal
27.5
720 840
7