STjh 20 kW air-to-water heat pump with a compact outdoor cabinet and paired water connections on white.

STJH-AIR-TO-WATER-HEAT-PUMP-20KW

Air-to-Water Heat Pump 20 kW

A compact reversible air-to-water heat pump delivering about 20.1 kW heating and 18.5 kW cooling for small hydronic loads.

20.1 kW-class heating
18.5 kW-class cooling
Compact reversible scroll package

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Produkteinführung

This smallest capacity band uses compact scroll and fan hardware to provide approximately 20.1 kW of heating and 18.5 kW of cooling. It serves small clean support rooms or utility loops that need reversible hydronic conditioning without a boiler-and-chiller pair.

Key Features

Two-season hydronic duty

The refrigeration cycle reverses between water heating and cooling for year-round support loads.

Small-load fit

Compact compressor and coil hardware suit a low-capacity loop without excessive equipment oversizing.

Air-source installation

Outdoor air supplies or absorbs heat without a cooling tower or ground loop.

Technische Parameter

Heating Capacity	20.1 kW class
Cooling Capacity	18.5 kW class
Compressor	Scroll
Refrigerant	R410A referenced range
Heat Source/Sink	Outdoor air
Water Circuit	Reversible hydronic supply
Operating Mode	Heating or cooling
Fan Arrangement	Compact axial condenser fan
Installation	Outdoor packaged unit
Customisierung	Water temperature, pump package and ambient accessories can be configured for the intended application and operating environment.

Applications

Small clean support areas, laboratories, utility rooms and reversible heating or cooling loops for controlled spaces.

Solutions for Your Application

A small building requires both warm and chilled water but lacks space for two separate plants.Use the reversible 20 kW-class unit and switch operating mode according to the seasonal load.

A large heat pump would cycle frequently on the low water load.Match the compact capacity to the verified minimum load and provide adequate system water volume.

Verfügbare Optionen

Integrated pump, buffer tank, electric backup heat, freeze protection, low-ambient control, remote setpoint and communication can be selected.

Planning a Air-to-Water Heat Pump 20 kW specification?

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