Samsung WindFree™ 4-Way Cassette, Single Zone, Split System
Specifications
| Job Name | Location | ||||
| Purchaser | Engineer | ||||
| Submitted to | Reference | Approval | Construction | Schedule # | |
| Unit Designation | |||||
| Indoor Unit Model Number (US Code) | AC048BN4DCH/AA (CNH484DB) | ||||
| Outdoor Unit Model Number (US Code) | AC048BXADCH/AA (CXH48ADB) | ||||
| Nominal Capacity¹ Cooling / Heating (Btu/h) | 48,000/54,000 | ||||
| Cooling (Btu/h) | 12,000- 52,000 | ||||
| Capacity Range | Heating (Btu/h) | ||||
| SEER/EER | 17.2/8.3 | ||||
| COP (nominal heating) | 3.10 | ||||
| HSPF | 10.0 | ||||
| AHRI Certification Number | 207465436 | ||||
| Voltage | Ø/V/Hz | 1/208-230/60 | |||
| Working Voltage Range (VAC) | 176-254 (max. 3% deviation from each) | ||||
| Operating Current Cooling (A) | (min./std./max.) | 5.0/25.6/28.8 | |||
| Heating (A) | 3.7/22.7/32.0 | ||||
| Max. Breaker Amps | 40 | ||||
| Min. Circuit Ampacity (A) | 29.5 | ||||
| Dimensions | WXHXD (in.) | Indoor Unit: 33 1/16 X 11 3/8 X 33 1/16 Outdoor Unit: 37 X 47 11/16 X 13 |
|||
| Weight (lbs.) | Indoor Unit: 45.6 Outdoor Unit: 191.8 |
||||
| Sound Pressure Level | Indoor Unit dB(A) L/M/H | 35/40/45 | |||
| Outdoor Unit dB(A) Cooling / Heating (high) | 56/58 | ||||
| Operating Temperatures | Indoor | 23~122°F (-5~50°C) | |||
| Outdoor Cooling | 0~122°F (-18~50°C) W/Baffle | ||||
| Outdoor Heating | -4~75°F (-20~24°C) | ||||
| Indoor & Outdoor | T≤ 80°F (27°C) | 61~90°F (16~32°C) | |||
| Pipe Connections | Maximum (ft.) | 246 | |||
| Maximum Vertical Separation (ft.) | 98.4 | ||||
| High side (flare) | 3/8" | ||||
| Low side (flare) | 5/8" | ||||
| Condensate Connection | Type | 1 1/4" OD, 1" ID | |||
| Refrigerant | Type | R410A | |||
| Factory Charge lbs. | 7.50 | ||||
| Charged for Additional Refrigerant | 25 ft | 0.11 oz./ft. over 24.6 ft | |||
| Manufacturer | Samsung | ||||
| Compressor Type | Inverter Driven, Twin BLDC Rotary | ||||
| RLA Amps | 20.9 | ||||
| Type | BLDC (1) With Turbo Type Fan (1) | ||||
| Evaporator Air Volume | CFM (L/M/H) | 749/996/1289 | |||
| Fan Output Watts | 97 X 1 | ||||
| Condenser Motor Fan | FLA/Watts / CFM (max.) | BLDC With Axial Type Fan (2) 1.25 A/125 W/ 3,532 CFM |
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| Fascia Panel | LXWXH (in.) | 37 3/8 X 37 3/8 X 2 1/2 | |||
| Safety Certifications | Weight (lbs.) | 13.9 | |||
| Devices | ETL (UL 1995) PCB fuses, indoor unit terminal block thermal fuse, current transformer, over-voltage protection, crankcase heating, temperature limit protection logic, compressor overload sensing |
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¹Certified in accordance with the AHRI Unitary Small Air-Source Heat Pumps (USHP) Certification Program which is based on the latest edition of AHRI Standard 210/240.
* The WindFree™ unit delivers an air current that is under 0.15 m/s while in WindFree™ mode. Air velocity that is below 0.15 m/s is considered "still air" as defined by ASHRAE (American Society of Heating, Refrigerating, and Air-Conditioning Engineers).
Samsung HVAC maintains a policy of ongoing development, specifications are subject to change without notice.
General Information
- The indoor unit shall feature WindFree™ mode. In cooling mode, as room temperature nears set temperature, the unit will close its louver and will disperse air into the space through thousands of micro-holes on the front of the indoor unit preventing cold air drafts on occupants.
- The outdoor unit shall supply power to indoor unit via 14 AWG X 3 power wire.
- High-voltage terminal block temperature sensor to disable unit in the event of power connection overheating.
- Auto-restart after power loss.
- Soft-start compressor minimizing current inrush.
- All heat exchangers shall be mechanically bonded aluminum fin to copper tube.
- The condensing unit heat exchanger salt spray test method: ISO-9227- The heat exchanger showed no unusual rust or corrosion development to 3,000 hours.
- Integral condensate pump with maximum 29" lift from bottom of the unit with check valve and float switch to disable unit in the event of condensate overflow.
- Knock-out for outside air capability (with booster fan connection).
Option Settings
- The outdoor unit shall have snow accumulation prevention option setting to prevent snow drifting against an idle outdoor unit.
- Night-time Quiet Mode: reduction of operational sound during (automatic or manual activation).
- Emergency Temperature Output (ETO) function: when indoor unit is in error status or when room temperature exceeds configurable temperature level, the system outputs a signal to an external source, e.g., backup system, building management system, alert device (ex: status light, warning lamp, buzzer).
- System can be configured as heating/cooling, cooling only, or heating only via outdoor unit option setting.
- Maximum Current Control configurable from 50% - 100% via outdoor unit, wired controller or central controls.
Indoor Fan
- Indoor fan is a single turbo type.
- Three fan speed settings and auto setting.
- Washable filter as standard.
- Fascia panel shall have LED display, infrared receiver, and motorized louver(s).
- The WindFree™ function will close the supply air outlet louver while in cooling mode to gently disperse cool air into the space without blowing directly onto occupants. The WindFree™ feature is optional and can be enabled using central or local control options.
- The WindFree™ indoor unit has an integral humidity sensor that will open the louver for standard cool mode when space conditions could potentially cause condensation formation on the chassis surface.
Construction
- Outdoor unit: Galvanized steel with a baked-on powder coated finish for durability.
- Indoor unit: Insulated, HIPS chassis and fascia panel certified to UL94 V0.
Controls
- Control wiring shall be 2 X 16 AWG.
- Wired controllers must be purchased separately.
- Dual set temperature support when connected to MWR-WG00UN Advanced Wired Controller or central control options.
- No additional interface modules/adapters are required when connecting to Samsung central control options.
- The unit shall be operated via a wireless or wired remote control with DDC type signal.
Refrigerant System
- The compressor shall be hermetically sealed, inverter-controlled BLDC rotary type.
- Refrigerant flow shall be controlled by an electronic expansion valve at outdoor unit.
Warranty
10 years compressor, 10 years parts, 1-year limited labor (conditions apply).
Required Accessories
| Fascia panel | WindFree™ Type | |
| PC4NUFMUN |
Optional Accessories
| Wired controller | Advanced Touchscreen | MWR-WG00UN MWR-SH11UN |
| Thermostat adapter (24vac) | MIM-A60UN | |
| Wireless controller | AR-EH04U | |
| Wi-Fi adapter | Single indoor unit | MIM-H14UN |
| 1-16 indoor units | MIM-H05UN | |
| External temperature sensor | MRW-TA | |
| External contact control | MIM-B14 | |
| Wall bracket (for outdoor unit) | CKN-250 | |
| Wind baffle | Front | WBF-1M2 |
| HGK-4 | ||
| Hail guard kit (includes back and side guards) | 25'ILS2510 50'ILS5010 |
|
| Line sets - insulated and flared, interconnect cables included |
Dimensional Drawing - Indoor Unit
Ceiling Opening: 35 1/16" - 35 13/16"
Suspension Position: 28 15/16"
Dimensions (approximate):
- Width: 33 1/16"
- Height: 11 3/8"
- Depth: 33 1/16"
Connections:
| No. | Name | Description |
| ① | Liquid Pipe Connection | Ø 3/8" Flare |
| ② | Gas Pipe Connection | Ø 5/8" Flare |
| ③ | Drain Pipe Connection | OD 1 1/4", ID 1" |
| ④ | Conduit for Power & Communication Wiring | |
| ⑤ | Air Inlet Grille | |
| ⑥ | Air Outlet Louver | Ø 4" |
| ⑦ | Fresh Air Inlet |
Proper clearance must be maintained around unit for proper operation.
Dimensional Drawing - Outdoor Unit
Dimensions (approximate):
- Width: 37"
- Height: 47 11/16"
- Depth: 13"
Connections:
| No. | Name | Description |
| 1 | Refrigerant liquid pipe | Ф 3/8 |
| 2 | Refrigerant gas pipe | Ф 5/8 |
| 3 | Drain hole | |
| 4 | Power and communication conduit openings | Connect with provided drain plug |
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