DATA Extra Technical data

Primary
Nominal primary supply temperature	85°C
Maximum primary supply temperature	90°C *
Minimum primary supply temperature	55°C **
Maximum primary differential pressure	250kPa
Minimum primary differential pressure	50kPa ***
Pressure class DH circuit	PN16
Domestic Hot Water
Nominal DHW supply temperature	55°C
DHW Set Range	45°C to 60°C
Domestic Hot water heat exchanger (DHW)	E8LAS‐40
Keep Warm Modes	Economy / Comfort
Keep Warm Temperature	25°C to 60°C
Keep Warm Duration	0 to 120 mins or Always On
Max Return Temperature during Keep Warm Mode	DHW Setpoint -2°C
DHW Max pressure	6 Bar
Pressure class DHW circuit	PN10
DWH Priority	Multi-Stage ****
Central Heating
Maximum flow temperature	Primary T -5°C
Return Temp Limit Range	35°C to 55°C
CH Limit Range	30°C to 80°C
Central heating heat exchanger (CH)	B25TH‐30
Pressure class CH circuit (3 bar safety valve)	PN16
CH working pressure	N/A (By Installer)
Nominal pump pressure	20 kPa (Adj. 0-70)
Maximum recommend flow rate	750 l/hr
General
Primary connections	DN32 Female
Mains & DHW connections	¾” Female
Central heating connections	¾” Female
Casing width	653mm
Casing height	900mm
Casing depth	225mm
Casing Material	Steel
HIU Insulation Material	EPP Expanded Polypropylene
Pipework Insulation Material	Grey Polyethylene Foam
Maximum Heat Losses	<50W (1.2 kWh/day)
Weight (basic version)	35kg Approx
Electrical supply info	230V 50Hz - 0.64A
Power consumption per year	circa 45kWh
Fuse ratings	3 Amp
Sensors	NTC 10kohm @ 25°C

.* Maximum primary supply temperature 100°C for momentary spikes.
.** Minimum required DH supply temperature is DHW setpoint + 5°C with a minimum of 55°C.
.*** Depends on requested DHW output and available DH supply temperature.
.**** See Multi-Stage DHW Priority example below.