RDZ DHW, Инструкции по эксплуатации и монтажу

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7
1.6 WIRING
Lift the transparent cover, unscrew the two side screw and remove the cover.
There are a PTR10 connector, seven FASTON, six grouping and one separated for grounding, a magnetothermic
switch with output prewired to the unit and one prewired protection fuse for the electric resistor.
PTR 10 terminal block
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R1: N° 2 dry contact NA 6A 250V cosphy=1; driver for heat pump
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R2: N° 2 dry contact NA 6A 250V cosphy=1; driver for recirculation pump.It is advisable to use a low voltage
buffer relè . Refer to wiring diagrams for details.
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ALARM: N° 2 contacts for alarm / defrost signal from heat pump ( 230 Vac input)
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NTC1: N° 2 contacts for NTC probe from storage tank.
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NTC2: N° 2 contacts for NTC probe from return water line (optional, only for recirculation management)
FASTON description
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Faston (Power supply) Prewired to magnetothermic switch output.
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Faston (Protection fuse for electric resistor) Prewired to on-board fuse.
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Faston (Resistenza Elettrica) Electrical connection to the electric resistor of the storage tank.
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Faston T Grounding.