Technical Data - Potterton Powermax HE 85 Litre Installation And Servicing Instructions

Technical Data

Unless indicated, data shown relevant to all models
Classifications Appliance catergory
Flue Type
NOx Class
Cylinder Insulation
Input (hot water/central heating) - gross
Output to CH (non-condensing)
Output to CH (condensing)
Inlet pressure
Gas rate (after 10 mins.)
Gas control differential (offset)
CO (average)
Noise
Ventilation Requirements:
Connections CH Flow & Return
DHW Inlet & Outlet
Gas
Temperature/Press. Relief Valve
Condensate Outlet
Inlet Control Group
Filling Loop
Secondary Expansion Vessel
Automatic bypass
Pressure loss warning
Built in programmer
External programmer
Built-in room thermostat
Built in frost protection
Optional Immersion Heater
Electricity supply
Power Consumption (maximum)
Working pressures Primary
DHW
Mains Supply
Pressure Relief Valve (Primary)
Temperature/Press. Relief Valve
DHW temperature
DHW flow rate
(Practical maximum assuming suitable mains supply)
Weights Lift Weight
Full Weight
4
Technical Data
High Level
Low Level
Heat Engine
Cylinder
85 litre 115 litre
CAT I 2 H
C 13 - C 33 - C 53 (as supplied)
5 (< 70 mg/kWh)
CFC, HCFC = 0%
7.8 - 25.8 kW
6.7 - 22.6 kW
7.6 - 24.0 kW
20 mbar
2.55 m 3 /hr max.
0 Pa to - 5 Pa
50 ppm
48 DbA (maximum)
80 cm 2 to internal space - 40 cm 2 to outside
80 cm 2 to internal space - 40 cm 2 to outside
22 mm compression
22 mm tube end
22 mm compression
22 mm compression from tundish.
Flexible Pipe 500 mm long (fits 21.5 mm PP overflow systems)
22 mm compression inlet & outlet
Set reduced pressure 2.5 bar, expansion relief valve set 8.0 bar
15 mm /1/2" union (accessible behind lower front panel)
18 litre, pre-charge 2.5 - 2.7 bar (supplied separately)
Built in
Linked to diagnostic display
2-channel, pre-programmed, back lit display, battery back-up
Separate times for HW & CH, advance button, CH off selector
Optional connectors on user terminal block
Dedicated connectors on user terminal block
Boiler protected below 5 °C plus external frost 'stat connection
11" Heatrae 'Mega' G1 3/4. 3 kW at 240V, BEAB Approved
230v ~ 3A fused supply,
166 Watts (Grundfos pump) 156 Watts (Wilo pump)
0.9 - 2.5 bar
1.0 - 2.5 bar
1.0 - 16.0 bar
3.0 bar
Pre-set 95 °C, 10.0 bar opening
45 °C to 65 °C
30 l/m max. 36 l/m max.
38 kg
37 kg 41 kg
166 kg 202 kg
150 litre
48 l/m max.
49 kg
246 kg
Publication No. 5106226