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S T I E B E L E L T R O N DHE SL 3 Phase electric fully electronic controlled instantaneous hot water system This unit electronically switches on via a flow wheel at 2.5ltr/min DHE 18 SL - 18.0kW / 26amps per phase DHE 21 SL - 21.0kW / 31amps per phase...
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Trouble Shooting DHE SL 1. Unit not heating…. water coming out the tap but no temperature rise on the cold at all. Set unit to 60degC on front lcd display before proceeding a. Has the unit been activated – Initial start up procedure followed? •...
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Trouble Shooting DHE SL Unit only warm…. warm water only coming out of the tap, will not get hot. Set unit to 60degC on front lcd display before proceeding a. Is there an “error” message on the front of the lcd display? If there is an error on the display, remove cover and activate the service mode button pg33.
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Trouble Shooting DHE SL Unit fluctuating…. Unit fluctuating hot and cold when showering. Set unit to 60degC on front lcd display before proceeding a. Is there an “error” message on the front of the lcd display? If there is an error on the display, remove cover and activate the service mode button pg33.
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