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Frost protection by circulation is enabled by default
Endless Solar
High-efficiency circulator
The DeltaSol® SLL is also the first controller of its category to offer the automatic function control according to the VDI 2169 directive
a Pressure Limiting Valve must be fitted to the cold inlet
Replacement Solar Hot Water Controller ISC-AC2-A2F to suit Beasely System Compatible_Wilo Z 15A Frost protection by circulation isReplacement Solar Hot Water Controller ISC AC2 A2F to suit Beasley System This controller has two temperature sensors which connect to the controller via short flying leads. The connectors ensure that the sensors cannot be connected to the wrong flying lead. The long sensor goes to the top of the collector panel and the short lead goes to the bottom of the storage tank. Panel temperature must be sensed as close as possible to the top of the panel,
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