START-UP CHECKLIST

(REMOVE AND STORE IN JOB FILE)

I. PRELIMINARY INFORMATION

Model No .............................................................................................................................................................

Serial No ..............................................................................................................................................................

Date ......................................................................................................................................................................

Technician ...........................................................................................................................................................

Customer Information(Name/Address) ...........................................................................................................................................................

II.PRE-START-UP

____ Verify that all packing materials have been removed from unit

____ Verify that condensate connection is installed per installation instructions

____ Check all electrical connections and terminals for tightness

____ Check wire proximity to refrigerant tubes and sheet metal edges

____ Check that indoor (indoor) air filter is clean and in place

____ Verify that unit installation is level

____ Check fan wheel propeller for location in housing and setscrew tightness

III. START-UP

Supply Voltage: L1-L2 __________ L2-L3 __________ L3-L1 __________

Compressor Amps: L1(C) __________ L2(S) __________ L3(R) __________

Indoor Fan Amps: __________ Outdoor Fan Amps: __________

TEMPERATURE-Cooling Mode

Outdoor Air Temperature: __________ DB ____________WB

Return-Air Temperature: __________ DB __________ WB

Cooling Supply Air: __________DB___________WB

PRESSURES-Cooling Mode

Refrigerant Suction __________ psig

Suction Line Temp* ___________

Refrigerant Discharge __________ psig

Discharge Temp†__________

TEMPERATURE-Heating Mode

Outdoor Air Temperature: __________ DB ____________WB

Return-Air Temperature: __________ DB __________ WB

Cooling Supply Air: __________DB___________WB

PRESSURES-Heating Mode

Refrigerant Suction __________ psig

Suction Line Temp* ___________

Refrigerant Discharge __________ psig

Discharge Temp†__________

____ Verify Refrigerant charge using charging tables

*Measured at suction inlet to compressor †Measured at liquid line leaving outdoor coil

Copyright 2005 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231

50zha1si

 

 

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

Book

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PC 101

Printed in U.S.A.

Catalog No. 50ZHA-1SI

Pg 20

9-05

Replaces: New

 

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Carrier 50ZHA024-060 instruction manual Preliminary Information, Ii. Pre-Start-Up, Iii. Start-Up

50ZHA024-060 specifications

The Carrier 50ZHA024-060 is a remarkable rooftop unit designed for commercial applications, providing both cooling and heating solutions in a compact and efficient manner. Known for its reliability and advanced engineering, this model is ideal for businesses seeking to optimize indoor comfort while maintaining energy efficiency.

One of the key features of the 50ZHA unit is its advanced scroll compressor technology. This innovation not only ensures quiet operation but also offers superior efficiency, reducing operational costs. The unit is designed to deliver a wide range of capacity options, from 24,000 to 60,000 BTU/h, making it versatile for various building sizes and requirements.

The 50ZHA series employs a microprocessor-based control system that enhances user convenience and operational efficiency. This smart technology enables precise temperature control, scheduling, and diagnostics. Furthermore, it offers compatibility with advanced building management systems, allowing for seamless integration into modern HVAC setups.

Energy efficiency is a hallmark of the Carrier 50ZHA024-060, which is equipped with environmentally friendly refrigerants that meet current regulatory standards. This commitment to sustainability is further emphasized by its exceptional SEER and EER ratings, indicating lower energy consumption without compromising performance.

In terms of construction, the 50ZHA series features a robust design with corrosion-resistant materials, ensuring durability even in harsh environmental conditions. The unit’s compact rooftop design simplifies installation and reduces the footprint, making it an excellent choice for urban areas where space is limited.

Moreover, the Carrier 50ZHA models are equipped with advanced filtration systems that improve indoor air quality by minimizing airborne contaminants. This is particularly beneficial for commercial spaces, where maintaining a healthy environment is crucial for employee productivity and wellbeing.

The 50ZHA024-060 also offers various customizable options, including economizers for increased fresh air intake and enhanced humidity control features. These options allow businesses to tailor their HVAC solutions to specific operational needs, ensuring optimal comfort year-round.

In summary, the Carrier 50ZHA024-060 is an exceptional rooftop unit that combines advanced technology, energy efficiency, and user-friendly controls. Its sturdy construction, along with a range of customizable features, makes it a leading choice for commercial HVAC applications, ensuring sustained performance and comfort in diverse settings.