Installation and Operating Instructions - Marlec

To Immersion heat er L ink (as supplied) N N N L IN L S W L O UT! ! Dual Immersion Heater Connection Where two immersion heaters are present select one to receive controlled power from the Solar iBoost and the other to receive grid power on Timed or Manual Boost settings. The maximum load through the Solar iBoost must not exceed the 3kW limit.