N4A6 Product Specs
Table Of Contents
- Product Specifications
- Industry leading Features / Benefits
- Efficiency
- Reliability
- Durability
- Applications
- AHRI Ratings
- Product Number Nomenclature
- Physical Data 1-Phase
- Physical Data 3-Phase
- * Units are rated with 25 ft (7.6 m) of lineset length. See Vapor Line Sizing and Cooling Capacity Loss table when using other sizes and lengths of lineset. Note: See unit Installation Instruction for proper installation.
- { See Liquid Line Sizing For Cooling Only Systems with R-410A Refrigerant tables.
- Liquid Line Sizing and Maximum Total Equivalent Lengths{ for Cooling Only Systems with R-410A Refrigerant:
- Table 1 – Maximum Total Equivalent Length Outdoor Unit BELOW Indoor Unit
- *Maximum actual length not to exceed 200 ft (61 m)
- {Total equivalent length accounts for losses due to elbows or fitting. See the Long Line Guideline for details.
- -- = outside acceptable range
- * Maximum actual length not to exceed 200 ft (61 m)
- {Total equivalent length accounts for losses due to elbows or fitting. See the Long Line Guideline for details.
- -- = outside acceptable range
- Charging Formula:
- Long Line Applications
- Note: See Residential Piping and Long Line Guideline for details
- Applications in this area may be long line and may have height restrictions. See the Residential Piping and Long Line Guideline.
- * For tubing line sets between 80 and 200 ft. (24.38 and 60.96 m) and/or 35 ft. (10.7 m) vertical differential, refer to Residential Split-System Longline Application Guideline.
- { Additional requirement for Low-Ambient Controller (full modulation feature) MotorMasterr Control.
- } If unit equipped with ECM OD motor, both motor and fan need to be replaced per unit accessory guide to work properly. Unit will not meet AHRI rated efficiency once motor and fan are replaced to use this accessory.
- Accessory Description and Usage (Listed Alphabetically)
- Accessory Description and Usage (Listed Alphabetically) (Continued)
- Electrical Data
- * Permissible limits of the voltage range at which the unit will operate satisfactorily
- { Time-Delay fuse.
- FLA - Full Load Amps
- LRA - Locked Rotor Amps
- MCA - Minimum Circuit Amps
- RLA - Rated Load Amps
- NOTE: Control circuit is 24V on all units and requires external power source. Copper wire must be used from service disconnect to unit. All motors/compressors contain internal overload protection.
- Complies with 2010 requirements of ASHRAE Standards 90.1
- NOTE: Tested in compliance with AHRI 270–1995 (not listed with AHRI)
- * TXV must be ordered separately when indoor coil is not equipped with a TXV. TXV must be hard–shutoff type.
- IMPORTANT: When installing multiple units in an alcove, roof well, or partially enclosed area, ensure there is adequate ventilation to prevent re-circulation of discharge air.
- Detailed Cooling Capacities#
- Detailed Cooling Capacities# continued
- Detailed Cooling Capacities# continued
- Detailed Cooling Capacities# continued
- Detailed Cooling Capacities# continued
- { Total and sensible capacities are net capacities. Blower motor heat has been subtracted.
- } Sensible capacities shown are based on 80_F (27_C) entering air at the indoor coil. For sensible capacities at other than 80_F (27_C), deduct 835 Btuh (245 kW) per 1000 CFM (480 L/S) of indoor coil air for each degree below 80_F (27_C), or add 835 ...
- # Detailed cooling capacities are based on indoor and outdoor unit at the same elevation per AHRI standard 210/240-2008. If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.
- ** System kw is total of indoor and outdoor unit kilowatts.
- {{ At TVA rating indoor condition (75_F edb/63_F ewb). All other indoor air temperatures are at 80_F edb.
- NOTE: When the required data falls between the published data, interpolation may be performed. Extrapolation is not an acceptable practice.
- EWB — Entering Wet Bulb
- * AHRI listing applies only to systems shown in Combination Ratings table.
- KW - Outdoor Unit Kilowatts Only.
- SDT - Saturated Temperature Leaving Compressor (°F)
- SST - Saturated Temperature Entering Compressor (°F/°C)
- TCG - Gross Cooling Capacity (1000 Btuh)
- Guide specifications GENERAL
- PRODUCTS
- system design summary
- 1. Intended for outdoor installation with free air inlet and outlet. Outdoor fan external static pressure available is less than 0.01-IN W.C.
- 2. Minimum outdoor operating air temperature without low-ambient operation accessory is 55_F (12.8_C).
- 3. Maximum outdoor operating air temperature is 125_F (51.7_C).
- 4. For reliable operation, unit should be level in all horizontal planes
- 5. For interconnecting refrigerant tube lengths greater than 80 ft (23.4 m) and/or 35 ft (10.7 m) vertical differential, consult Residential Piping and Longline Guideline and Service Manual available from equipment distributor.
- 6. If any refrigerant tubing is buried, provide a 6 in. (152.4 mm) vertical rise to the valve connections at the unit. Refrigerant tubing lengths up to 36 in. (914.4 mm) may be buried without further consideration. Do not bury refrigerant lines longe...
- 7. Use only copper wire for electric connection at unit. Aluminum and clad aluminum are not acceptable for the type of connector provided.
- 8. Do not apply capillary tube indoor coils to these units.
- 9. Factory-supplied filter drier must be installed
N4A6: Product Specifications
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
19
GUIDE SPECIFICATIONS
GENERAL
System Description
Outdoor-mounted, air-cooled, split-system air conditioner unit suitable
for ground or rooftop installation. Unit consists of a hermetic
compressor, an air-cooled coil, propeller-type condenser fan, and a
control box. Unit will discharge supply air upward as shown on contract
drawings. Unit will be used in a refrigeration circuit to match up to a
packaged fan coil or coil unit.
Quality Assurance
– Unit will be rated in accordance with the latest edition of AHRI
Standard 210.
– Unit will be certified for capacity and efficiency, and listed in the
latest AHRI directory.
– Unit construction will comply with latest edition of ANSI/
ASHRAE and with NEC.
– Unit will be constructed in accordance with UL standards and will
carry the UL label of approval. Unit will have c-UL-us approval.
– Unit cabinet will be capable of withstanding Federal Test Method
Standard No. 141 (Method 6061) 500-hr salt spray test.
– Air-cooled condenser coils will be leak tested at 150 psig and
pressure tested at 450 psig.
– Unit constructed in ISO9001 approved facility.
Delivery, Storage, and Handling
– Unit will be shipped as single package only and is stored and
handled per unit manufacturer’s recommendations.
Warranty (for inclusion by specifying engineer)
– U.S. and Canada only.
PRODUCTS
Equipment
Factory assembled, single piece, air-cooled air conditioner unit.
Contained within the unit enclosure is all factory wiring, piping,
controls, compressor, refrigerant charge
R-410A, and special features
required prior to field start-up.
Unit Cabinet
– Unit cabinet will be constructed of galvanized steel, bonderized,
and coated with a powder coat paint.
– 3 phase equipment available with dense grille only.
– Single phase equipment available with wide (W) or dense (A) grille
option.
Air-cooled, split-system air conditioner
N4A6
1-1/2 to 5 nominal tons
Fans
– Condenser fan will be direct-drive propeller type, discharging air
upward.
– Condenser fan motors will be totally enclosed, 1-phase type with
class B insulation and permanently lubricated bearings. Shafts will
be corrosion resistant.
– Fan blades will be statically and dynamically balanced.
– Condenser fan openings will be equipped with coated steel wire
safety guards.
Compressor
– Compressor will be hermetically sealed.
– Compressor will be mounted on rubber vibration isolators.
Condenser Coil
– Condenser coil will be air cooled.
– Coil will be constructed of aluminum fins mechanically bonded to
copper tubes which are then cleaned, dehydrated, and sealed.
Refrigeration Components
– Refrigeration circuit components will include liquid-line shutoff
valve with sweat connections, vapor-line shutoff valve with sweat
connections, system charge of
R-410A refrigerant, and compressor
oil.
– Unit will be equipped with high-pressure switch, low pressure
switch and filter drier for
R-410A refrigerant.
Operating Characteristics
– The capacity of the unit will meet or exceed _____ Btuh at a suction
temperature of _____ _F/_C. The power consumption at full load
will not exceed _____ kW.
– Combination of the unit and the evaporator or fan coil unit will
have a total net cooling capacity of _____ Btuh or greater at
conditions of _____ CFM entering air temperature at the evaporator
at _____ _F/_C wet bulb and _____ _F/_C dry bulb, and air
entering the unit at _____ _F/_C.
– The system will have a SEER of _____ Btuh/watt or greater at DOE
conditions.
Electrical Requirements
– Nominal unit electrical characteristics will be _____ v, single
phase, 60 hz. The unit will be capable of satisfactory operation
within voltage limits of _____ v to _____ v.
– Nominal unit electrical characteristics will be _____ v, three phase,
60 hz. The unit will be capable of satisfactory operation within
voltage limits of _____ v to _____ v.
– Unit electrical power will be single point connection.
– Control circuit will be 24v.
Special Features
– Refer to section of this literature identifying accessories and
descriptions for specific features and available enhancements.