OJ Electronics TRD-3986 Anleitung Seite 14

Fig. 14: Frost protection override of output Y1
Fig. 16: Standby frost protection of hydronic heating battery
Fig. 18: DIP switch settings
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Fig. 15: Frost protection override of output Y2
Fig. 17: Setting and operating buttons
Fig. 19: Analogue output diagram, one heating battery
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