Publication No. 5106226
4
Technical Data
Technical Data
Unless indicated, data shown relevant to all models
85 litre
115 litre
150 litre
Classifications
Appliance catergory
CAT I2H
Flue Type
C13 - C33 - C53 (as supplied)
NOx Class
5 (< 70 mg/kWh)
Cylinder Insulation
CFC, HCFC = 0%
Input
(hot water/central heating) - gross
7.8 - 25.8 kW
Output to CH
(non-condensing)
6.7 - 22.6 kW
Output to CH
(condensing)
7.6 - 24.0 kW
Inlet pressure
20 mbar
Gas rate
(after 10 mins.)
2.55 m3/hr max.
Gas control differential
(offset)
0 Pa to - 5 Pa
CO
(average)
50 ppm
Noise
48 DbA (maximum)
Ventilation Requirements:
High Level
80 cm2 to internal space - 40 cm2 to outside
Low Level
80 cm2 to internal space - 40 cm2 to outside
Connections
CH Flow & Return
22 mm compression
DHW Inlet & Outlet
22 mm tube end
Gas
22 mm compression
Temperature/Press. Relief Valve
22 mm compression from tundish.
Condensate Outlet
Flexible Pipe 500 mm long (fits 21.5 mm PP overflow systems)
Inlet Control Group
22 mm compression inlet & outlet
Set reduced pressure 2.5 bar, expansion relief valve set 8.0 bar
Filling Loop
15 mm /1/2” union (accessible behind lower front panel)
Secondary Expansion Vessel
18 litre, pre-charge 2.5 - 2.7 bar (supplied separately)
Automatic bypass
Built in
Pressure loss warning
Linked to diagnostic display
Built in programmer
2-channel, pre-programmed, back lit display, battery back-up
Separate times for HW & CH, advance button, CH off selector
External programmer
Optional connectors on user terminal block
Built-in room thermostat
Dedicated connectors on user terminal block
Built in frost protection
Boiler protected below 5 °C plus external frost ‘stat connection
Optional Immersion Heater
11” Heatrae ‘Mega’ G1 3/4. 3 kW at 240V, BEAB Approved
Electricity supply
230v ~ 3A fused supply,
Power Consumption
(maximum)
166 Watts (Grundfos pump) 156 Watts (Wilo pump)
Working pressures
Primary
0.9 - 2.5 bar
DHW
1.0 - 2.5 bar
Mains Supply
1.0 - 16.0 bar
Pressure Relief Valve (Primary)
3.0 bar
Temperature/Press. Relief Valve
Pre-set 95 °C, 10.0 bar opening
DHW temperature
45 °C to 65 °C
DHW flow rate
(Practical maximum assuming suitable mains supply)
30 l/m max.
36 l/m max.
48 l/m max.
Weights
Lift Weight
Heat Engine
38 kg
Cylinder
37 kg
41 kg
49 kg
Full Weight
166 kg
202 kg
246 kg