START-UP CHECKLIST

(Remove and Use in Job File)

I. PRELIMINARY INFORMATION:

MODEL NO.: _________________________________

SERIAL NO.: ______________________________________

DATE: _______________________________________

TECHNICIAN: ____________________________________

 

BUILDING LOCATION: _____________________________

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

VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT

REMOVE ALL SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS VERIFY THAT FLUE HOOD IS INSTALLED

CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS

CHECK TO ENSURE NO WIRES ARE TOUCHING REFRIGERANT TUBING OR SHARP EDGES CHECK GAS PIPING FOR LEAKS

CHECK THAT INDOOR-AIR FILTER IS CLEAN AND IN PLACE VERIFY THAT UNIT INSTALLATION IS LEVEL

￿CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND SETSCREW TIGHTNESS VERIFY PULLEY ALIGNMENT AND BELT TENSION ARE CORRECT

III. START-UP:

ELECTRICAL

 

 

 

 

 

 

SUPPLY VOLTAGE

L1-L2

_________

L2-L3

__________

L3-L1

__________

COMPRESSOR AMPS

L1

_________

L2

__________

L3

__________

INDOOR-FAN AMP

L1

_________

L2

__________

L3

__________

TEMPERATURES

 

 

 

 

OUTDOOR-AIR TEMPERATURE

__________

DB

_________

WB

RETURN-AIR TEMPERATURE

__________

DB

_________

WB

COOLING SUPPLY AIR

__________

DB

_________

WB

GAS HEAT SUPPLY AIR

__________

DB

 

 

PRESSURES

 

 

 

 

GAS INLET PRESSURE

__________

IN. WG

 

 

GAS MANIFOLD PRESSURE

__________

IN. WG (LOW FIRE)

________

IN. WG (HI FIRE)

REFRIGERANT SUCTION

__________

PSIG

________

TEMP ° F

REFRIGERANT DISCHARGE

__________

PSIG

________

TEMP ° F

￿VERIFY REFRIGERANT CHARGE USING CHARGING TABLES

VERIFY THAT 3-PHASE SCROLL COMPRESSOR IS ROTATING IN CORRECT DIRECTION (48TF007 ONLY)

Copyright 2000 Carrier Corporation

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

Book

1

4

PC 111

Catalog No. 534-80000

Printed in U.S.A.

Form 48TF-1SI

Pg CL-1

8-00

Replaces: New

Tab

1a

6a

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Page 52
Image 52
Carrier 48TF004-007 specifications Remove and Use in Job File, Preliminary Information

48TF004-007 specifications

The Carrier 48TF004-007 is part of the brand's renowned rooftop unit series, designed to deliver efficient, reliable performance for commercial applications. Ideal for spaces such as offices, retail stores, and small manufacturing facilities, these units encapsulate advanced technology to enhance indoor air quality and optimize climate control.

One of the standout features of the Carrier 48TF004-007 units is their variable speed compressor technology. This innovation not only allows for precise temperature control but also reduces energy consumption by modulating the compressor's speed according to the cooling or heating demand. By operating at lower speeds during less demanding conditions, these units significantly decrease energy usage compared to traditional single-speed compressors, contributing to lower utility bills and a reduced carbon footprint.

Energy efficiency is further enhanced with the inclusion of high-performance scroll compressors, which are known for their reliable operation and quiet performance. Coupled with an Energy Efficiency Ratio (EER) that meets or exceeds industry standards, these systems are designed to offer economical operation without sacrificing comfort.

Incorporating smart controls and connectivity features, the Carrier 48TF004-007 units allow for easy integration into building management systems (BMS). This enhances the ability to monitor and manage energy usage in real time, further promoting efficiency. The units are also compatible with various thermostat options, allowing for user-friendly operation and customization of settings.

Another significant characteristic of the Carrier 48TF004-007 is its durable construction. Built with galvanized steel and powder-coated finishes, these units are designed to withstand the rigors of outdoor installation, ensuring long-lasting performance even in harsh weather conditions. Additionally, the units come equipped with advanced filtration systems that help improve indoor air quality by effectively removing dust, allergens, and other particulate matter from the air.

Maintenance is simplified with the Carrier 48TF004-007, providing easy access to vital components, which supports reduced downtime and service costs. The units also feature low operating sound levels, making them suitable for noise-sensitive applications.

In conclusion, the Carrier 48TF004-007 rooftop units stand out for their energy efficiency, advanced technology, durability, and ease of maintenance, making them an excellent choice for any commercial space looking to enhance comfort while effectively managing operational costs.