EHC Comet - Technical Data; Installer Warnings

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17. Technical data
The Electric Heating Company Comet Combination Unit
Electrical Supply 240V~ 50Hz
Rated power kW 9 12 14,4
Rated current A 39 52 63
Minimum Permitted Cable Diameter 10mm 16mm
Primary system pressure relief valve setting bar 3
Primary system operating pressure (min) bar 1,0
Thermal cut-out ºC t.cut-out 90-99
Expansion vessel 12Ltr Pre-charged 1,50 bar
Outlet ow temperature ºC 40 ÷ 85
Primary circulating pump Grundfos or Wilo-Para 15/7 iPWM
Safety valve bar Opening pressure: 3bar
Hydraulic connections 22 mm Connections
CYLINDER DETAILS:
Maximum water supply pressure bar 10
Cylinder operating pressure (Secondary) bar 3
Cylinder operating pressure (Primary Max) bar 2,5
Cylinder operating pressure (Secondary Max) bar 5,5
Thermostat ºC 5 to 66 deg C
Tank capacity Ltr 140
Temperature-pressure valve 95°C / 6bar TP152-1/2
Expansion vessel 2Ltr 3 bar (charge pressure )
Hydraulic connections Copper pipe ø 22 x 1
Optional Immersion Heater 3000W 240 Volt
Weight
Net
kg
106,8
Gross 246
Dimensions unit dimensions mm 1745 x 580 x 630
WARNING TO THE USER
1. Do not remove or adjust any component part of this unvented water heater. Contact a fully qualied engineer.
2. If the unvented water heater develops a fault, such as a ow of water from the discharge pipe, turn the heater off
and contact a fully qualied engineer.
WARNING TO THE INSTALLER
1. The installation is subject to building regulation approval. Notify the local authority of an intention to install.
2. Use only manufacturers recommended replacement parts.
3. Installed by:.........................................................................
Name:..................................................................................
Address:..............................................................................
Tel:......................................................................................
Completion Date:................................................................