New Sabroe HeatPAC 704 V Ammonia Heat Pump

Manufacturer: Sabroe

Model: HeatPAC 704 V

Type: High-temperature ammonia heat pump, water-to-water, compact skid-mounted unit

Condition: New

Year of manufacture: approx. late 2023 / early 2024

Performance

• Heating capacity: 347 kW
• Cooling capacity: 270 kW
• Heating COP (shaft): 4.44
• Hot water: +70 / +86 °C
• Source: glycol water +40 / +37 °C
• Shaft power input: 78.1 kW

Compressor and motor

• Compressor: Sabroe HPX 704 open high-pressure reciprocating compressor, 4 cylinders
• Variable speed: 500 – 1,800 rpm
• Stepless capacity control: 27.5 – 100%
• Motor: ABB 96 kW, IE4 super premium efficiency, IP55, 400 V, B35 flange, PTC sensors

Heat exchangers

• Condenser: stainless steel 316 plate heat exchanger (Sabroe CPSH 3HH-170/2/1). Treated water, 19.1 m³/h, pressure drop 20 kPa
• Evaporator: stainless steel 316 plate heat exchanger (Sabroe ESRE 700631). Glycol water (30% MEG), 49.6 m³/h, pressure drop 29.9 kPa

Design

• Cylinder heads and crankcase cooled and heated by an integrated water circuit (WHC system)
• OVUR 4113 oil separator
• Hot parts insulated and clad in aluminium sheet
• Nominal ammonia charge: approx. 20 kg (delivered without ammonia; charge not included)
• Refrigerant: R717 (ammonia, GWP 0)

Control

• Power cabinet mounted and wired on the skid, with frequency inverter
• Sabroe Unisab III controller (Ethernet, Profibus, Modbus)
• 4 pressure transmitters (4–20 mA), 4 PT100 sensors, HP safety pressure switch

Included

• Float expansion valve
• Suction and discharge valves
• First oil charge
• Anti-vibration mounts
• PN 10 flanges on heat exchangers (counter-flanges not included)
• Dimensions and weight

Approx. 4,600 × 1,000 × 2,100 mm (L × W × H)

Empty weight: 4,300 kg

Compliance: Built according to the Pressure Equipment Directive (PED) 2014/68/EU

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