GDH GDH70-Air, Installation And Operating Manual

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FEATURES
l SUMMARY
GDH family is environment friendly, high efficiency air source heat pump,
provides both domestic hot water and house heating. Intelligent self-adjusting
control on managing house heating and domestic hot water production. The
GDH family heat pump can be combined to radiator or underfloor heating
systems. Offering different options for house heating installations to satisfy all
different favorites.
l EASY OPERATION
Most of settings are finished by the manufacturer. System senses the leaving
water temperature, and regulate the leaving hot water temperature according to
inner setting automatically. The end user just need to press ON/OFF button, then
the system shall be managed by the controller properly.
l EXCELLENT PERFORMANCE
High efficiency scroll compressor, high quality plate heat exchanger, control fan
speed, precise refrigerant flow control by expansion valve with unique inner
programme. All these assure the GDH famility the most excellent performance at
variable climate.
l EASY INSTALLATION
All connections of refrigeration circle parts have been put in place by the
manufacturer, the connection requested on site is just to connect the heat pump
to hydraulic circle.
l EXCELLENT SAFETY CONTROL
Over-pressure, low pressure protection, over-load protection.
Switch on or off system automatically according to the feedback of return water
temperature. Available with anti-freezing function in winter.
The controller surveil the status of each component, each occurred malfuntion
shall be sent to the indoor display.
l WIDE RANGE WORKING CONDITION
The GDH heat pump can work at -25 °C ~ 35 °C.
l EASY MAINTENANCE
The system has self-diagnose programme. Any malfunction occurred shall be
indicated through special code on the screen of the indoor display, so the cause
of malfunction can be shoot out easily.