START-UP CHECKLIST

 

 

 

(Remove and Store in Job File)

I. PRELIMINARY INFORMATION

 

 

 

 

MODEL NO.:

 

 

SERIAL NO.:

 

 

DATE:

 

 

TECHNICIAN:

 

II. PRE-START-UP (insert checkmark in box as each item is completed)

VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT

REMOVE SHIPPING TIE DOWN BANDS ON COMPRESSOR (SIZE 014 ONLY) PER INSTALLATION INSTRUCTIONS

VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS

CHECK GAS PIPING FOR LEAKS

CHECK THAT INDOOR-AIR FILTERS ARE CLEAN AND IN PLACE

VERIFY THAT UNIT INSTALLATION IS LEVEL

CHECK FAN WHEELS AND PROPELLERS FOR LOCATION IN HOUSING/ORIFICE AND SETSCREW TIGHTNESS

III. START-UP

ELECTRICAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SUPPLY VOLTAGE

L1-L2

 

 

 

 

 

L2-L3

 

 

 

L3-L1

 

 

COMPRESSOR AMPS

L1

 

 

 

 

 

L2

 

 

 

L3

 

 

COMPRESSOR AMPS

L1

 

 

 

 

 

L2

 

 

 

L3

 

 

INDOOR-FAN AMPS

L1

 

 

 

 

L2

 

 

L3

TEMPERATURES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR-AIR TEMPERATURE

 

 

 

 

 

DB

 

 

 

 

 

 

 

RETURN-AIR TEMPERATURE

 

 

 

 

 

DB

 

WB

 

 

 

 

 

COOLING SUPPLY AIR

 

 

 

 

 

 

 

 

 

 

 

DB

 

 

 

 

 

 

 

GAS HEAT SUPPLY AIR

 

 

 

 

DB

 

 

 

 

 

 

 

PRESSURES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GAS INLET PRESSURE

 

 

 

 

 

 

 

 

 

IN. WG

 

 

 

 

 

 

 

GAS MANIFOLD PRESSURE

 

 

 

IN. WG (HI FIRE)

 

 

 

 

 

 

 

REFRIGERANT SUCTION

 

 

 

PSIG Ð CIRCUIT NO. 1

 

 

 

PSIG Ð CIRCUIT NO. 2

REFRIGERANT DISCHARGE

 

 

 

PSIG Ð CIRCUIT NO. 1

 

 

 

PSIG Ð CIRCUIT NO. 2

VERIFY REFRIGERANT CHARGE USING CHARGING TABLES

VERIFY THAT 3-PHASE SCROLL COMPRESSOR ROTATING IN CORRECT DIRECTION (48TJ014 ONLY)

Copyright 1996 Carrier Corporation

Manufacturer reserves the right to discontinue, or change at any time, speci®cations or designs without notice and without incurring obligations.

Book

1

4

 

PC 111

Catalog No. 564-934

Printed in U.S.A.

Form 48TJ-13SI

Pg CL-1

9-96

Replaces: 48TJ-10SI

Tab

1a

6a

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - CUT ALONG DOTTED LINECUT ALONG DOTTED LINE

Page 40
Image 40
Carrier 48TJD008-014, 48TJE008-014, 48TJF008-012 Remove and Store in Job File, Preliminary Information

48TJF008-012, 48TJD008-014, 48TJE008-014 specifications

Carrier's 48TJD008-014, 48TJE008-014, and 48TJF008-012 series are high-performance packaged rooftop units engineered to meet the heating, ventilation, and air conditioning (HVAC) needs of commercial and industrial applications. These units are renowned for their reliability, energy efficiency, and advanced technologies, making them a popular choice among facility managers and HVAC professionals.

One of the standout features of these Carrier units is their robust construction. Designed to withstand diverse environmental conditions, these units come with durable cabinets that are resistant to corrosion and UV degradation. This durability extends the product lifespan and reduces maintenance needs, providing long-term savings for facility operators.

The series includes models ranging from 8 to 14 tons, catering to a variety of space requirements. Each unit is equipped with a high-efficiency scroll compressor that enhances performance while minimizing energy consumption. This compressor technology guarantees quieter operation, reduced vibrations, and exceptional reliability, which are critical factors in commercial settings.

Energy efficiency is a hallmark of the 48TJD, 48TJE, and 48TJF series. These units come with high Seasonal Energy Efficiency Ratios (SEER) and Energy Efficiency Ratios (EER), which result in lower energy bills and a reduced carbon footprint. The incorporation of advanced digital controls allows for precise temperature management and integration with building management systems, ensuring optimal performance throughout the year.

In terms of comfort features, the Carrier series utilizes variable-speed technology, enabling the fan to adjust its speed according to the load requirements. This results in more consistent temperature control and enhanced indoor air quality. The units also include options for enhanced filtration systems, which can accommodate various filter types, ensuring the removal of airborne particles and allergens.

Installation is simplified with these packaged rooftop units. Their compact design fits well on rooftops or in limited spaces, and they come with factory-installed components, which streamline the setup process. Additionally, the units feature easy access panels for maintenance, allowing technicians to conduct service with minimal disruption to operations.

Finally, Carrier's dedication to innovation is evident in the incorporation of smart technologies within these units. Integrated diagnostics and monitoring systems provide real-time performance data, enabling proactive maintenance and reducing the likelihood of unexpected breakdowns.

In summary, Carrier's 48TJD008-014, 48TJE008-014, and 48TJF008-012 rooftop units are engineered for efficiency, reliability, and comfort. With their durable construction, advanced compressor technology, energy efficiency, comfort features, and ease of installation, these units are ideal for meeting the demanding HVAC needs of commercial spaces.