Danfoss DSH090A4ALD Scroll Compressor (120H1512) | 7.5 HP | 68,402 BTU/h Cooling Capacity | R410A / R452B / R454B | 3 Phase 380-415V

Designed for commercial air conditioning, heat pumps and medium-to-high condensing temperature refrigeration systems, the Danfoss DSH090A4ALD is a fixed-speed Performer scroll compressor (Danfoss code: 120H1512). With 88.4 cm³ displacement and 7.5 HP power, it delivers a cooling capacity of 68,402 BTU/h (20,048 W) at 50 Hz. Along with R410A, it also works with the low-GWP alternatives R452B and R454B; it is charged with POE oil.

R410A Scroll Compressor — 7.5 HP / 68,402 BTU/h

Danfoss Performer DSH series scroll compressors offer few moving parts, low vibration and high seasonal efficiency. With an internal overload protector, a wide operating envelope and brazed (ODF) connections, they are reliable and service-friendly. With a supply range of 380-415V/3/50Hz and 460V/3/60Hz, it runs on both 50 Hz and 60 Hz networks.

Key Features

• Scroll technology — few parts, low vibration, high efficiency
• Fixed speed; internal overload protector
• R410A, R452B, R454B compatible (max. charge 8 kg)
• 380-415V / 3 phase / 50Hz (and 460V/3/60Hz) three-phase supply
• IP54 (with cable gland); CE, UL, UKCA approved

Technical Specifications

• Brand / Model: Danfoss Performer / DSH090A4ALD (Danfoss code: 120H1512)
• Type: Scroll, fixed speed
• Application: Air conditioning / heat pump / medium-to-high condensing refrigeration
• Nominal Power: 7.5 HP (7.5 horsepower)
• Cooling Capacity: 68,402 BTU/h (20,048 W) — R410A, 50 Hz, te +5 °C / tc +50 °C
• Displacement: 88.4 cm³ (15.4 m³/h @ 2900 rpm)
• Compatible Refrigerants: R410A, R452B, R454B (max. charge 8 kg)
• Power Supply: 380-415V/3/50Hz and 460V/3/60Hz
• Speed: 2900 rpm (50Hz) / 3500 rpm (60Hz)
• Current: RLA 16 A / MCC 22 A / LRA (locked rotor) 98 A / max. operating 19 A; winding resistance 1.47 Ω
• Motor Protection: Internal overload
• Oil: POE 160SZ, 3.0 L (viscosity 32 cP); equalization port 1 3/4 inch rotalock
• Connection: Suction 1 1/8 inch ODF (brazed), discharge 7/8 inch ODF (brazed)
• Pressure: High side max. 48.7 bar; low side max. 33.3 bar (test differential 37 bar)
• Operating Envelope: High side -35 / +150°C; low side -35 / +55°C
• Max. Starts: 12 starts/hour
• Dimensions: Diameter 243 mm, total height 485 mm (length 230 mm, width 230 mm)
• Weight: Net 59.41 kg (gross 61.91 kg)
• Protection Class: IP54 (with cable gland)
• Approvals: CE, UL, UKCA
• Economizer: None

Technician Recommendations

• Braze the 1 1/8 inch suction and 7/8 inch discharge ODF connections under nitrogen to prevent internal oxidation (critical for scroll compressors).
• R410A is a high-pressure refrigerant; make sure your gauges, hoses and vacuum equipment are R410A compatible.
• POE oil absorbs moisture; keep the compressor sealed until the moment of installation and evacuate the system thoroughly before commissioning.
• Scroll direction of rotation is critical: verify the phase sequence at first start-up (in reverse rotation no pressure builds up and noise increases).