Durastar DRUM4260S2A & DRU1H60S2A 60,000 BTU 16 SEER2 Multi-Position Air Handler Sirius Heat Heat Pump System - R454B

Durastar DRUM4260S2A & DRU1H60S2A – 60,000 BTU R-454B Multi-Position Air Handler Mini-Split Heat Pump System
The Durastar DRUM4260S2A and DRU1H60S2A system delivers 60,000-BTU-class ducted comfort with Sirius Heat™ technology for dependable heating to –22 °F. A versatile multi-position air handler and an inverter-driven, twin-rotary outdoor unit provide quiet, efficient performance for very large residential or light commercial spaces.

General Information
System Type: Multi-position air handler mini-split heat pump system (indoor & outdoor)
Indoor Model: DRUM4260S2A • Outdoor Model: DRU1H60S2A
Capacity: 60,000 BTU Heating & Cooling (see rated capacities below)
Room Size: Ideal for very large homes or light commercial spaces
Operating Modes: Cool, Heat, Aux Heat, Dry, Fan, Auto
ENERGY STAR®: Not specified for this pairing in the submittal (varies by AHRI listing)
Refrigerant/Lines: R-454B; liquid 3/8″, gas 3/4″; max line 246 ft; max lift 98.4 ft

Key Features
• Sirius Heat™: High heating capacity at 0 °F; operation to –22 °F (heating & cooling)
• Inverter Technology: Twin-rotary inverter compressor for stable, efficient output
• Multi-Position Installation: Vertical upflow/downflow or horizontal left/right
• Quiet Operation: Indoor as low as 34.5 dB(A); outdoor 65 dB(A)
• Advanced Coil Protection: All-aluminum coil with anti-corrosive fin coating
• Cold-Climate Readiness: Base pan heater installed on outdoor unit
• Safety & Diagnostics: A2L refrigerant leak detection and auto protections
• IAQ & Controls: Built-in humidifier/IAQ ports; 24 V thermostat compatibility; DRSTAT101 included
• Optional Electric Heat: Compatible with 3–20 kW heater kits (see submittal table)

Specifications (Rated Conditions)
Cooling Capacity (Rated/Range): 54,000 BTU | 11,400–56,300 BTU • SEER2/EER2: 16.0/10.0
Heating Capacity (Rated/Range): 56,000 BTU | 8,100–64,500 BTU • HSPF2 (R4/R5): 9.0/8.0 • COP @ 47 °F: 3.1
Low-Temp Heating Output: 45,000 BTU @ 17 °F • 52,000 BTU @ 5 °F • 46,700 BTU @ −4 °F • 41,600 BTU @ −13 °F • 30,900 BTU @ −22 °F
Indoor Airflow (CFM): 1,807 / 1,583 / 1,360 / 1,136 (Turbo/Hi/Mid/Lo) • Indoor Sound: 54.5 / 52 / 49.5 / 34.5 dB(A) • Outdoor Sound: 65 dB(A)
Operating Temp Range (Cooling/Heating): −22 °F–122 °F / −22 °F–75 °F
Electrical: Indoor 115/208/230 V, 1-Ph, 60 Hz (MCA 14.5/11.0; MOCP 15 A) • Outdoor 208/230 V, 1-Ph, 60 Hz (MCA 40 A; MOCP 40 A)
Refrigerant Charge (ODU): 183.42 oz (5.2 kg); Addl. charge 0.69 oz/ft (65 g/m)

Dimensions & Weights
Indoor (DRUM4260S2A): 53″ H × 24-1/2″ W × 22-5/8″ D • Net 162.92 lb
Outdoor (DRU1H60S2A): 37-1/2″ W × 52-1/2″ H × 16-3/8″ D • Net 242.95 lb

Included Components
• DRUM4260S2A multi-position air handler
• DRU1H60S2A Sirius Heat™ outdoor condenser
• DRSTAT101 programmable wired thermostat
• Built-in base pan heater

Ideal For
Contractors, property managers, and homeowners who need a high-capacity, cold-climate, ducted solution for large homes or light commercial spaces—delivering flexible installation, durable construction, and reliable year-round comfort.