Carrier 50JS ÐGeneral, Receiving and Installation, ÐCheck Equipment, Unit Size ODS Catalog Number

Page 4

SIDE PANEL

0.75"

 

 

 

BASE PAN

 

 

 

 

 

 

 

 

 

 

BOTTOM SUPPLY

4.0"

3.0"

 

 

 

 

 

SUPPORT RIB(S)

SEAL STRIP

 

(FACTORY SUPPLIED)

 

COUNTER FLASHING

NAILER

(FIELD SUPPLIED)

 

ROOFING FELT

 

(FIELD SUPPLIED)

 

CANT STRIP

INSULATION

(FIELD SUPPLIED)

(FIELD SUPPLIED)

 

ROOFING MATERIAL (FIELD SUPPLIED)

A99340

C

46 3/16

B

17 3/8

D

 

TYP.

44 5/16

 

1 TYP.

 

 

 

 

7/8

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

SUPPORT B

 

13/16

 

 

 

 

A

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SUPPORT A (2)

 

 

 

 

 

SIDE

 

 

2

 

 

 

(2)

 

 

END VIEW

 

 

 

 

 

 

 

END

 

 

 

 

 

 

(2)

 

 

 

 

 

 

 

DECK PAN (INSULATED)

 

 

 

 

 

 

 

 

 

A99320

UNIT SIZE

ODS CATALOG NUMBER

A

B

C

D

IN. [MM]

IN. [MM]

IN. [MM]

IN. [MM]

 

 

 

50JS018-042

50JX024-036

CPRFCURB006A00

8 [203]

11-27/32 [301]

30-5/8 [778]

28-3/4 [730]

CPRFCURB007A00

14 [356]

11-27/32 [301]

30-5/8 [778]

28-3/4 [730]

 

 

50JS048-060

50JX042-060

CPRFCURB008A00

8 [203]

15/27/32 [402]

42-18/ [1070]

40-1/4 [1022]

CPRFCURB009A00

14 [356]

15-27/32 [402]

42-1/8 [1070]

40-1/4 [1022]

 

 

Fig. 4ÐRoof Curb Dimensions

NOTES:

1.Dimensions in [ ] are in millimeters.

2.Roof curb is made of 16 gage steel.

3.Table lists only the dimensions per part number that have changed.

4.Insulated panels: 1-in. thick fiberglass 1 lb density.

Before performing service or maintenance operations on system, turn off main power to unit. Turn off accessory heater power switch if applicable. Electrical shock could cause severe injury or death.

Step 1ÐGeneral

The 50JS and 50JX heat pumps are fully self-contained and designed for outdoor installation (See Fig. 1). Standard units are

shipped in a horizontal-discharge configuration for installation on a ground-level slab. Standard units can be converted to downflow (vertical) discharge configurations for rooftop applications.

RECEIVING AND INSTALLATION

Step 1ÐCheck Equipment

IDENTIFY UNIT Ð The unit model number and serial number are stamped on the unit identification plate. Check this information against shipping papers.

4

Image 4
Contents Receiving and Installation MaintenanceTroubleshooting Safety ConsiderationsUnit Weight Unit Height Center of Gravity Electrical CharacteristicsIN. MM 50JS048 50JS06050JX042 50JX048Receiving and Installation ÐGeneralÐCheck Equipment Unit Size ODS Catalog NumberInstallation ÐProvide Unit SupportÐProvide Clearances ÐRig and Place UnitUnit Maximum Weight ÐSelect and Install DuctworkÐProvide for Condensate Disposal AÐPhysical Data BÐPhysical DataÐInstall Electrical Connections C99061C99030 C99013ÐWiring Schematics A00073A00074 TDR Time Delay Relay Thermostat Heating Tran Transformer A00075RLA LRA FLA AÐElectrical DataÐ50JSMocp → BÐElectrical DataÐ50JX Full Load Amps Locked Rotor AmpsMinimum Circuit Amps Mocp Maximum Overcurrent Protection Rated Load AmpsSpecial Procedures for 208-V Operation ÐStart-Up AdjustmentsPRE-START-UP START-UPÐTypical Heat Pump Operation, Heating Mode AÐWet Coil Air Delivery Unit 50JS 018-060 Deduct 10% for Checking and Adjusting Refrigerant ChargeUnit Motor Speed External Static Pressure IN. WG BÐWet Coil Air Delivery Unit 50JX 024-060 Deduct 10% for Indoor Airflow and Airflow Adjustments SpeedMaintenance C00030C00032 C00031C99031 C99033C99035 C99032Indoor Blower and Motor AIR FilterOutdoor FAN C99097 System InformationC99029 ÐCooling and Heating Troubleshooting Chart Symptom Cause RemedyCooling and Heating Troubleshooting Chart contd START-UP Checklist Remove and Store in JOB FilePage Page Book Tab 5a 5a Catalog No Form 50JS,JX-1SI Replaces 50JX-2SI

50JS specifications

The Carrier 50JS is a high-performance rooftop unit designed for commercial applications, combining advanced technology with energy efficiency to deliver optimal heating and cooling performance. Its compact design allows for easy installation, making it an ideal choice for various settings such as retail spaces, schools, and office buildings.

One of the standout features of the Carrier 50JS is its innovative energy efficiency. Equipped with a high-efficiency scroll compressor, it significantly reduces energy consumption while providing reliable climate control. This model boasts a commendable SEER (Seasonal Energy Efficiency Ratio) rating, which translates to lower utility bills and a reduced carbon footprint, meeting modern energy efficiency standards.

The 50JS unit utilizes R-410A refrigerant, an environmentally friendly option that contributes to its low global warming potential compared to traditional refrigerants. This aligns with Carrier's commitment to sustainability and reducing environmental impact.

Another significant characteristic of the 50JS is its advanced controls and intelligent building integration capabilities. The unit comes with a microprocessor-based control system that allows for precise temperature management and can be easily integrated into building automation systems. This feature enhances user experience, providing real-time data and better management of HVAC operations.

Noise reduction technology is also a key design focus of the Carrier 50JS. The unit incorporates sound-attenuating materials and features that minimize operational noise, making it suitable for noise-sensitive environments like offices and educational institutions.

In terms of air quality, the 50JS offers various filtration options, including high-efficiency filters that remove airborne particulates. This results in cleaner, healthier indoor air, which is crucial for occupant comfort and well-being.

Furthermore, the rooftop unit is built to withstand harsh weather conditions, featuring a durable cabinet constructed from galvanized steel with a corrosion-resistant finish. This enhances the unit's longevity and reliability over time.

In conclusion, the Carrier 50JS rooftop unit stands out in the commercial HVAC market due to its energy efficiency, advanced controls, quiet operation, and robust design. It represents a blend of state-of-the-art technology and practical features, making it a preferred choice for those looking to invest in reliable and sustainable climate control solutions.