GE APPLIANCES NS18HM Variable Speed High-Efficiency Split Heat Pump System
PRODUCT SPECIFICATIONS
COMPRESSOR
- Inverter-driven compressor for true variable capacity operation, precision environmental control, and exceptional energy savings
- R410A refrigerant
- Grommet-mounted compressor for quiet operation
- Heavy-duty compressor sound blanket for quiet operation
- Internally protected against high-temperature motor overload conditions
CABINET
- Full metal louvered construction to protect the coil
- Individual metal louvered panels remove easily for coil cleaning and service
- Specialized corner-mounted controls for easy service
- Baked polyester paint finished over galvanized steel for maximum durability
- Removable PVC-coated wire fan discharge grille
- External gauge ports for easy service
- Removable service panel for internal access
- Compliant with Florida Building Code 2020
COILS
- Coil corrosion protection with all-aluminum tube-and-fin coil design
- Lanced fins for maximum heat transfer
- Factory tested for leakproof construction
- Raised coil prevents debris from impeding airflow and helps prevent ice build-up
DESIGN
- Designed for installation with a standard 24V Heat Pump or Dual Fuel thermostat
- Offers five total operating modes, three in cooling and two for heating, to fine-tune the unit’s performance to the application and consumer’s needs
- Designed to perform in temperatures from -15°F to 125°F
COMPONENTS
- 45-degree offset gauge ports are positioned for quick installation and easy service
- Variable speed condenser fan motor
- Swept wing fan blade for quiet operation (5 Ton)
- Factory-installed crankcase heater
- Factory-installed TXV for excellent refrigeration control
- Factory-installed high and low-pressure switches
- Thread-on pressure switches for simple, quick service
- Fan orifice for smoother airflow and sound level reduction
- Technology that uses proprietary algorithms and specialized sensors to monitor liquid and suction temperatures and pressures for precision system control in true variable speed operation
- Shipped factory charged for 15 feet of line set
- Discharge muffler for quiet operation
- Demand defrost for increased energy efficiency
- Capable to reduce noise during defrosting
WARRANTY
See warranty document for details.
VARIABLE CAPACITY HEAT PUMP
MODEL NUMBER GUIDE
ELECTRICAL AND PHYSICAL DATA
|
Model |
Voltage/Hz/Phase | Voltage Range | Min. Circuit Amp. | Max. Over Current Device (amps) | Compressor | Outdoor Fan Motor | Shipping Weight (lbs.) | ||
| Input Amps | Full Load (amps) | Rated HP | Nom. RPM | ||||||
| NS18H36MA4 | 208-230/60/1 | 197-253 | 21.9 | 35 | 15.3 | 2.8 | 1/3 | VAR. SPD | 215 |
| NS18H60MA4 | 208-230/60/1 | 197-253 | 33.7 | 50 | 24.7 | 2.8 | 1/3 | VAR. SPD | 272 |
Note:
- The weights listed are unit weights with packaging
- Factory charged for 15 feet of line set; adjust per installation instructions
DIMENSIONS (IN.)
| Model No. | Dimensions (inch) | ||
| A – Width | B – Depth | C – Height | |
| NS18H36MA4 | 29.38 | 31.25 | 33.75 |
| NS18H60MA4 | 29.38 | 31.25 | 43.75 |
- Note: Dimensions listed are unit sizes w/o packaging
- NOTE: Appearances may vary.
SOUND RATINGS
|
Model |
Sound Power1 | Estimated Sound Pressure (dBA)2 | ||
| Approximate Distance3 | ||||
| One Meter (3.3 feet) | Two Meters (6.6 feet) | Three Meters (9.8 feet) | ||
| NS18H36MA4 (2-TON MODE) | 72 | 64 | 58 | 54 |
| NS18H36MA4 (3-TON MODE) | 74 | 66 | 60 | 56 |
| NS18H60MA4 (4-TON MODE) | 74 | 66 | 60 | 56 |
| NS18H60MA4 (5-TON MODE) | 79 | 71 | 65 | 61 |
- Rated in accordance with AHRI standard 270 (2015)
- Rated in accordance with AHRI standard 275 (2010)
- Based only on the distance factor; other factors may change this value such as:
- Unit location (reflective surfaces adjacent to the unit)
- Barrier shielding sources
- Sound path/elevation
- Outside noise sources
REFRIGERATION DATA
|
Model | Factory Refrig. Charge (oz.) * |
TXV | Refrigerant Line Size | Outdoor Unit Connection | Indoor Unit Connection | |||
| Suction | Liquid | Suction | Liquid | Suction | Liquid | |||
| NS18H36MA4 (2 TON MODE) | 138 | H4TXV01 | 3/4 | 3/8 | 3/4 | 3/8 | 3/4 | 3/8 |
| NS18H36MA4 (3 TON MODE) | 138 | H4TXV02 | 3/4 | 3/8 | 3/4 | 3/8 | 3/4 | 3/8 |
| NS18H60MA4 (4 TON MODE) | 186 | H4TXV02 | 7/8 | 3/8 | 7/8 | 3/8 | 7/8 | 3/8 |
| NS18H60MA4 (5 TON MODE) | 186 | H4TXV03 | 1-1/8 | 3/8 | 7/8 | 3/8 | 7/8 | 3/8 |
- Factory charged for 15 feet of line set; adjust per installation instructions
- The refrigerant charge also varies with indoor units; refer to the refrigerant charge label
COOLING PERFORMANCE WITH DTC1
| Outdoor Model | Indoor Model | Cooling | Heating |
High CFM |
Med CFM |
Low CFM | |||||||
| Evap. Coil or Air Handler3 | SEER | HER | AHRI Rated Capacity2 | Sensible Capacity | HSPF | 47° | 17° | ||||||
| Btuh | COP | Btuh | COP | ||||||||||
| NS18H36MA4 | NAM36V | 19.0 | 12.0 | 34400 | 27200 | 9.6 | 33400 | 3.30 | 21400 | 2.40 | 1200 | 820 | 820 |
| NS18H60MA4 | NAM60V | 16.0 | 10.0 | 55500 | 40600 | 9.0 | 55500 | 2.82 | 37000 | 2.14 | 1800 | 1200 | 1200 |
Note:
- DTC = Designated tested combination
- Certified in accordance with Unitary Air Conditioner Certification Program, which is based on AHRI Standard 210/240 3 A blower time delay relay is standard on all GE Appliances furnace and air handler products
| ACCESSORIES | |||
| Description | Where Used | Kit Number | Purpose |
| Crankcase heater | All models | Factory installed | Prevents liquid migration to compressor in cold weather |
| Sound Blanket | All models | Factory installed | Lowers compressor sound level |
| Short Cycle Protector | All models | Control Board Feature | Protects compressor from short cycling. |
| Liquid Line Solenoid | All models | 60M52 | Prevents liquid migration to the compressor especially for high liquid riser applications |
| Additional System Accessories (indoor section) | |||
| TXV Kit | NS18H36MA4 (2 Ton mode) | H4TXV01 | TXVs provide superior refrigerant flow control, comfort and efficiency |
| NS18H36MA4 (3 Ton mode) NS18H60MA4 (4 Ton mode) | H4TXV02 | ||
| NS18H60MA4 (5 Ton mode) | H4TXV03 | ||
| Freezestat | 3/8 tubing | 93G35 | Protects the compressor at low suction pressure conditions |
Toutes les spécifications et illustrations sont sujettes à modification sans préavis et sans obligation. Imprimé aux États-Unis
