Carrier 50ZHA024-060 instruction manual Typical Heat Pump Operation, Heating Mode

Page 18

OUTDOOR COIL

ACCUMULATOR

COMPRESSOR

 

A

Check Valves

AOpen

BClosed

COpen

DClosed

LEGEND

LCS Loss of Charge Switch

Acutrol Metering Device

Check Valve (Arrow indicates direction of flow)

INDOOR COIL

B

LCS

STRAINER

D

STRAINER

C

HEATING CYCLE

1.

Hot gas from compressor flows through the 4-way valve and is

3.

Each circuit evaporates the refrigerant and the circuits are com-

 

directed to the cooling liquid line check valve. It is then condensed

 

bined in the outdoor header with some of the circuits flowing through

 

and directed through subcooling circuits and out to the strainer

 

the check valve.

 

and the check valve in the heating liquid line.

4.

The refrigerant then flows through the 4-way valve, accumulator,

2.

The refrigerant then feeds the outdoor coil through the Acutrol

 

and back to the compressor.

 

metering device on each circuit.

 

 

Fig. 14—Typical Heat Pump Operation, Heating Mode

C95045

OUTDOOR COIL

ACCUMULATOR

COMPRESSOR

 

A

Check Valves

AClosed

BOpen

CClosed

DOpen

LEGEND

LCS Loss of Charge Switch

Acutrol Metering Device

Check Valve (Arrow indicates direction of flow)

INDOOR COIL

B

LCS

STRAINER

D

STRAINER

C

COOLING CYCLE

1.

Hot gas from compressor flows through the 4-way valve and is

3.

Each circuit evaporates the refrigerant and the circuits are com-

 

directed to the heating liquid line check valve. It is then con-

 

bined in the indoor coil header with some of the circuits flowing

 

densed and subcooled through converging circuits. Refrigerant leaves

 

through the check valve.

 

the outdoor coil by way of the strainer and the check valve in the

4.

The refrigerant then flows through the 4-way valve, accumulator,

 

cooling liquid line.

 

and back to the compressor.

2.

The refrigerant then feeds the indoor coil through the Acutrol

 

 

 

metering device on each circuit.

 

 

Fig. 15—Typical Heat Pump Operation, Cooling Mode

C95044

18

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Contents Table of Contents Safety ConsiderationsIntroduction Unit Base Dimensions, 50ZHA024-060 Unit Specifications Unit Damage HazardProvide for Condensate Disposal Install Electrical Connections Physical DataHIGH-VOLTAGE Connections PRE-START-UP SizeRequired Liquid Line Temperature Required SubcoolingRequired Subcooling F C Check for Refrigerant Leaks Start-Up Cooling Section and Make AdjustmentsSTART-UP Refrigerant ChargeIndoor Airflow and Airflow Adjustments For 208/230-V Blower MotorsSize Rated Airflow High Airflow Typical Unit Electrical Diagram Sizes A05200 Accessory Electric Heater Wiring Electrical Data-50ZHA Sequence of Operation Unit ControlsHIGH-PRESSURE Relief Valve FAN OperationCooling Charging Chart MaintenanceUnit Top Removal Outdoor-Coil Side FIRE, EXPLOSION, Electrical SHOCK, CUT HAZ- ARDAir Filter Indoor Blower and MotorAccessory Electric Heat Pressure Drop In. wg Wet Coil Pressure DropFilter Pressure Drop in. wg Troubleshooting START-UP ChecklistTypical Heat Pump Operation, Heating Mode Troubleshooting-Cooling and Heating Symptom Cause RemedyPreliminary Information II. PRE-START-UPIII. 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.
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