GE APPLIANCES NS18HM Variable Speed High Efficiency Split Heat Pump System Instruction Manual
- June 3, 2024
- GE Appliances
Table of Contents
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
Documents / Resources
| GE
APPLIANCES NS18HM Variable Speed High Efficiency Split Heat Pump
System
[pdf] Instruction Manual
NS18HM Variable Speed High Efficiency Split Heat Pump System, NS18HM, Variable
Speed High Efficiency Split Heat Pump System, Efficiency Split Heat Pump
System, Split Heat Pump System, Heat Pump System, Pump System
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