7
Siting 300 l or larger DHW cylinders with immersion heater
Fig. 3
Immersion heater installation instructions
Maintain the minimum clearance.
Note
The unheated length of any threaded immersion
heater installed on site must be at least 100 mm.
The threaded immersion heater must be suitable for
installation in enamelled DHW cylinders.
Cylinder capacity Output of im-
mersion
heater
Dim. a
in mm
300 l 6 kW min. 685
500 l 6 kW min. 650
750 l, 950 l 6 kW min. 650
750 l, 950 l 12 kW min. 950
Siting 300 l DHW cylinders with heating lance
Fig. 4
Preparing for installation (cont.)
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