18
Outline Specifications
Maximum working head
40 metres (4 bar)
Immersion heater rating (a.c. supply only)
3kW @ 240V ~ 50Hz
2.8kW
@
230V
~
50Hz
Maximum primary circuit pressure
0.3MPa (3 bar)
Rated
pressure
0.2MPa
(2.0
bar)
Pressure drop across coils
0.02MPa(0.2bar)
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).
