12
Heatwell Electric Combination Storage Boiler
Specification
Total Requirement 12Kw Tariff 2000
Scottish Hydro Electric – 12Kw
63 Amp / 230 Volts / Single Phase
63 Amps Split 60% - 40%
Economy Tariffs
ScottishPower / Economy 2000
Scottish Hydro Electric / Total Control
Heating Elements –Top
Heating Element - Middle
Heating Element - Bottom
21/4”BSP 3kw coil type
21/4” BSP 2x3kw straight
21/4” BSP 3kw coil type
Note;
Standard emersion heaters
Should not be used
Heating (Maximum House Heatloss)
Heatwell 12 9kw or 40940 BTU’s
Domestic Hot Water
3kw All Boilers
Dimensions & Performance
Total Height / Width inc TPR/ Depth inc cover
Heatwell 12 – 1660mm / 660mm / 655mm
Weight Empty / Full Heatwell 12
66Kg – 290Kg
Heating System
Pressure Relief Valve Setting
Expansion Vessel Pre-charge
Pressure / System Cold Pressure
3Bar
1.5Bar
1.5Bar
Domestic Hot Water Store
Heatwell 12 – 215Ltrs
100% Heat up Time
15Deg C to 80Deg C - 5Hrs 29Min
70% Re-heat Time
4Hrs 42Min #
T&PR Valve Opening Temperature &
Pressure Relief Valve Setting
Pressure Reduction Valve
95Deg Celsius
6Bar
3Bar
Expansion Vessel Capacity – Central Heating
Expansion Vessel Capacity – Domestic Water
8Ltrs *
18Ltrs *
Maximum temperature setting
85Deg C
Over Temperature Shut Down / Manual Reset
90+/- 3 Deg C
Available Domestic Hot Water Capacity
55Deg C *Heatwell 12
68 Gallons / 309Ltrs
* Depending on Heating Load
*Note
If a secondary circulation is used, then an extra expansion vessel is to be fitted to accommodate the
extra volume.
#
Note
If power is switched on from a cold boiler, then 25Ltrs of hot water at 40Deg C will be available
after 10 Minutes.
