Heatrae Sadia Megalife 100E Installation Manual page 18

Outline Specifications
Maximum working head
Immersion heater rating (a.c. supply only)
Maximum primary circuit pressure
Rated pressure
Pressure drop across coils
Outer casing:
White textured plastic coated corrosion proofed steel
Water container:
Duplex stainless steel (grade 1.4362 to EN10088). 100% pressure tested to 15 bar.
Thermal insulation:
HCFC/CFC free (ODP Zero) fire retardant expanded polyurethane foam. Nominal thickness 50mm.
Immersion heater:
Alloy 825 sheathed element and thermostat pocket in Duplex stainless steel plate. Tin plated.
Pipe connections:
All connections accept 22mm outside diameter pipe - compression nuts and olives supplied. Thread rate is 3/4" BSP
male parallel to accept standard 3/4" BSP female fittings if required. Secondary return tapping thread rate is 1/2" BSP
female parallel to accept standard 1/2"BSP male fittings if required (supplied plugged).
Safety features:
Direct units -
Manually resettable thermal cut-out on each heating element thermostat.
Indirect units -
Manually resettable thermal cut-out on heating element thermostat.
Manually resettable thermal cut-out for primary heating. Must be wired in conjunction with a suitable motorised
valve located within the primary heating circuit (not supplied).
18
40 metres (4 bar)
3kW @ 240V ~ 50Hz
2.8kW @ 230V ~ 50Hz
0.3MPa (3 bar)
0.2MPa (2.0 bar)
0.02MPa(0.2bar)