Specifications.pdf

Trane Precedent Packaged Rooftop

Unit Overview - YHK072A3

Application Unit Size Supply Fan External Dimensions (in.) Operating Weight Elevation

DX Cooling / Gas Heat 6 Ton

Airflow Total Static Pressure Height Width Length

989.0 lb 0.00 ft 2400 cfm 1.550 in H2O 4.24 ft 4.44 ft 7.34 ft

Unit Features Unit Efficiency High Efficiency

Refrigerant R-454B Refrigerant

EER @ AHRI 12.20

IEER @ AHRI 17.20

Hinged Service Access/Filters Standard Access Panels with 2-in MERV 13

Unit Electrical Voltage 208-230/60/3

MCA 38.00 A

MOP 50.00 A

Condenser Fan FLA 3.30 A Evaporator Fan FLA 8.80 A Compressor 1 RLA 14.80 A Compressor 2 RLA 7.40 A Compressor Power 4.79 kW

System Power 7.15 kW

Controls Unit Controls Symbio 700

System Monitoring Controls 1 Clogged Filter Switch SupplyFan/Drive/MotorType Multi-speed Motor

Cooling Section Indoor Coil Face Area 11.84 sq ft

Indoor Coil Face Velocity 203 ft/min Indoor Coil Fins per Inch 18

Indoor Coil Rows 2 Entering Dry Bulb 78.00 F Entering Wet Bulb 63.00 F

Ambient Temp 95.00 F Leaving Coil Dry Bulb 51.66 F Leaving Coil Wet Bulb 51.48 F Leaving Unit Dry Bulb 53.71 F Leaving Unit Wet Bulb 52.36 F

Saturated Discharge Temperature 114.81 F Saturated Suction Temperature 50.88 F

Capacity Gross Total 77.34 MBh

Gross Latent 9.40 MBh Gross Sensible 67.94 MBh

Net Total 73.91 MBh Net Sensible 64.51 MBh

Net Sensible Heat Ratio 87.28 % Fan Motor Heat 1.90 MBh

Refrig Charge-Circuit 1 8.0 lb

Heating Section Heating Medium Gas Heat

Input Heating Capacity 120.00 MBh Output Heating Capacity 97.20 MBh

Heating EAT 60.00 F Heating LAT 96.67 F

Heating Temp Rise 36.67 F Heating Stages 2

Job Name: USDA Albany Prepared For: Eric Leapaga Unit Tag: PREC-1 Quantity: 1

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Fan Section Indoor Fan Data

Airflow Application Horizontal Design ESP 1.250 in H2O

Component SP 0.060 in H2O Heat SP 0.240 in H2O Total SP 1.550 in H2O

Indoor Fan Drive Type Variable Direct Indoor Fan Quantity 1

Indoor Fan Type BC Plenum

Indoor Fan Performance Airflow 2400 cfm

Supply Motor Horsepower 3.000 hp Total Supply Motor Operating

Power 1.390 hp

Indoor RPM 1277 rpm Outdoor Fan Data

Outdoor Fan Drive Type Direct Outdoor Fan Quantity 1

Outdoor Fan Type Propeller Filters

1st Filter Size and Qty 2 - 18 x 24 x 2 2nd Filter Size and Qty 3 - 24 x 16 x 2

Field Installed Accessories Thermostat 3H/2C programmable touchscreen

Acoustics Sound Path 63 Hz 125 Hz 250 Hz 500 Hz 1 kHz 2 kHz 4 kHz 8 kHz

Ducted Discharge 80 dB 86 dB 77 dB 73 dB 67 dB 64 dB 64 dB 65 dB Ducted Inlet 76 dB 75 dB 71 dB 59 dB 57 dB 54 dB 54 dB 54 dB

Outdoor Noise 84 dB 85 dB 84 dB 85 dB 82 dB 76 dB 73 dB 67 dB Note:Ducted Discharge/Ducted Inlet prediction data conform to AHRI 260

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General (6-25 Ton) The packaged rooftop unit's cooling capacities, heating capacities, and efficiencies are certified to AHRI Standard 210/240. It is listed to UL standard 60335-2-40. The gas heating units comply with ANSI Z21.47 and 10 CFR Part 431 for Commercial Warm Air. The unit features convertible airflow and is controlled by Symbio, which operates within a range of 40°F to 125°F in cooling mode as standard from the factory. It is factory-assembled, internally wired, fully charged, and 100 percent run-tested to verify cooling operation, fan and blower rotation, and control sequence before leaving the factory. The Fault Detection and Diagnostics (FDD) system meets the mandatory requirements of CA Title 24, offering fully configurable diagnostics that allow fault history and reading fault codes at the unit via the Symbio 700 board or app. The FDD system detects faults such as air temperature sensor failure/fault and notification of acceptable economizer mode, and it is certified by the Energy Commission as meeting these requirements. The unit features colored and numbered wiring internally for simplified identification and is cULus listed and classified in accordance with Central Cooling Air Conditioners.

Additionally, the unit shall be furnished with a leak detection system from the factory, consisting of one or more refrigerant detection sensors. When the system detects a leak, the unit controller shall initiate mitigation actions.

Casing The unit casing is constructed from zinc-coated, heavy-gauge, galvanized steel and features weather-resistant pre-painted metal with a galvanized substrate. It meets the ASTM B117 standard for a 672-hour salt spray test. The unit includes removable single-side maintenance access panels, which are equipped with lifting handles. These handles can be removed and reinstalled by removing fasteners, while still providing a water and airtight seal. The exposed vertical panels and top covers in the indoor air section are insulated with a cleanable, foil-faced, fire-retardant, permanent, odorless glass fiber material. The base pan has no penetrations within the perimeter of the curb, except for the raised 1-inch high downflow supply/return openings, which provide an added water integrity precaution in case the condensate drain backs up. The condensate connection is available through the base or through the side. The base of the unit is insulated with 1/8 inch, foil-faced, closed-cell insulation. Additionally, the unit base includes provisions for forklift and/or crane lifting on three sides of the unit.

Compressors (6-10 Ton) All units are equipped with direct-drive, hermetic, scroll-type compressors featuring centrifugal-type oil pumps. The compressors have suction gas-cooled motors with a voltage utilization range of plus or minus 10 percent of the unit nameplate voltage. Internal overloads are standard with scroll compressors, and crankcase heaters are included on all compressors. Each unit includes a liquid line refrigerant drier. The units feature dual compressors and three stages of cooling.

Indoor Fan (6-25 Ton) The indoor fan features a direct drive plenum fan design with a backward-curved fan wheel and an external rotor direct drive variable speed indoor motor. Supply fan speed adjustments can be made using the Symbio 700 or Mobile App. The motors are electronically protected and are high-efficiency variable speed direct drive motors.

Evaporator and Condenser Coils The evaporator and condenser coils feature optimal heat transfer performance due to flat, streamlined tubes with small ports and a metallurgical tube-to-fin bond. This design reduces the system refrigerant charge by up to 50 percent, leading to better compressor reliability. The compact all-aluminum microchannel coils reduce the unit's weight and are fully recyclable, minimizing galvanic corrosion due to their all-aluminum construction. The strong aluminum brazed structure provides better fin protection, while the flat streamlined tubes are more dust-resistant and easy to clean. Additionally, the coils are leak-tested at the factory to verify their pressure integrity.

Phase Monitor Phase monitor protects 3-phase equipment from phase loss, phase reversal and phase imbalance.

Any fault condition shall produce a Failure Indicator LED and send the unit into an auto stop condition.

Job Name: USDA Albany Prepared For: Eric Leapaga Unit Tag: PREC-1 Quantity: 1

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Gas Heating Section The compact cabinet features a tubular heat exchanger available in low, medium, and high heat capacities. Corrosion-resistant aluminized steel tubes and burners are standard on all models. An induced draft combustion blower is used to pull the combustion products through the firing tubes. The heater utilizes a direct spark ignition (DSI) system and a flame sensor as a safety device to validate the flame.

MERV 13 filters 2-inch deep MERV 13 filters

Standard Drain Pan (3-10 Ton) The standard drain pan features an easy-to-clean, composite, removable, dual-sloped drain pan designed for improved indoor air quality (IAQ). The drain pan configuration is modifiable, allowing for the installation of the drain trap on either side of the unit or through the base.

Frostat The Frostat is used as a safety mechanism, designed to open to prevent freezing temperatures on the evaporator coil. It closes when the temperature rises to 50°F. This device is particularly utilized in low airflow or high outside air applications, specifically in cooling-only scenarios.

Coil Guards Coil Guards are factory installed to provide condenser coil protection during shipping and from hail, vandals, wind, and other damage. The toolless design lends itself to ease of maintenance in cleaning coils.

Job Name: USDA Albany Prepared For: Eric Leapaga Unit Tag: PREC-1 Quantity: 1

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