Carrier HFC-134A installation instructions A23-1544, A23-1545

Page 29

COOLER INLET

COOLER REFRIGERANT

COOLER CHARGING

ISOLATION VALVE 11

PUMPOUT VALVE

7

VALVE 1b

 

 

COOLER

USE CONDENSER

CHARGING

VALVE TO ADD

CHARGE 1a

 

CONTROL CENTER

 

 

 

 

 

 

 

DISCHARGE ISOLATION

 

 

 

 

 

 

VALVE (OPTIONAL)

 

 

 

 

 

 

 

PRESSURE

 

 

 

 

 

RELIEF SAFETY

 

 

 

 

 

VALVE

 

 

 

 

 

 

 

 

STORAGE

 

 

 

 

 

10

TANK LIQUID

 

 

 

 

 

 

VALVE

 

 

 

 

 

 

OIL

 

 

 

 

 

 

SEPARATOR

 

 

PUMPOUT

 

 

 

PUMPOUT

 

= SERVICE VALVE ON

COMPRESSOR

 

 

 

CONDENSER

 

= SERVICE VALVE ON

2

3

 

PUMPOUT

 

PUMPOUT UNIT

CHILLER (FIELD

 

 

 

SUPPLIED)

 

 

 

CONDENSER

 

 

4

5

 

WATER SUPPLY

 

= MAINTAIN AT LEAST 2 FT (610mm) CLEARANCE AROUND

 

 

 

 

 

AND RETURN

a23-1544

STORAGE TANK FOR SERVICE AND OPERATION WORK.

 

 

6 STORAGE TANK

 

 

 

 

 

 

VAPOR VALVE

Fig. 40 — Optional Pumpout System Piping Schematic with Storage Tank

(Configured to Pull Vapor out of Chiller or to Charge Chiller from Storage Tank)

COOLER INLET

11

COOLER REFRIGERANT

COOLER CHARGING

ISOLATION VALVE

PUMPOUT VALVE 7

 

VALVE 1b

COOLER

CONDENSER

CHARGING

VALVE 1a

CONTROL CENTER

DISCHARGE ISOLATION

VALVE (OPTIONAL)

1a SERVICE VALVE

PRESSURE RELIEF SAFETY VALVE

OIL

SEPARATOR

 

= SERVICE VALVE ON

PUMPOUT

 

= SERVICE VALVE ON

COMPRESSOR

 

PUMPOUT UNIT

CHILLER

2

3

 

 

4

5

a23-1545

PUMPOUT

CONDENSER

PUMPOUT

CONDENSER

WATER SUPPLY

AND RETURN

Fig. 41 — Optional Pumpout System Piping Schematic without Storage Tank

(Configured to Store Refrigerant in Cooler or Condenser)

29

Image 29
Contents Installation Instructions Contents Model Number Identification A23-155051 Typical 23XRV ComponentsA23-1553 A23-1551Control Center Components A23-1556 A23-1555A23-1557 23XRV Dimensions Nozzle-In-Head Waterbox23XRV Compressor Weights 23XRV Dimensions Marine Waterbox23XRV Component Weights TR Compressor 23XRV Waterbox Nozzle Sizes23XRV Additional Data for Cooler Marine Waterboxes 23XRV Heat Exchanger Data23XRV Additional Data for Condenser Marine Waterboxes 23XRV Waterbox Cover Weights English lb23XRV Waterbox Cover Weights SI kg Electrical Cable Routing Top View Cooler/Discharge Pipe Assembly Removal A23-1564 A23-1635A23-1563 A23-1570 A23-1565A23-1567 A23-1561 A23-1571 CablesA23-1568 A23-1569 Control Panel InputsA23-1572 Compressor Fastener IdentificationA23-1573 Oil Concentrator RemovalOil Reclaim Piping A23-1576 Motor Terminal BoxA23-1579COUPLINGS A23-1578A19-1109 A19-1110 A23-1534A23-46 A23-1580 A23-1537A23-1581 A23-1538A23-1540 A23-1539A23-1543 A23-1541A23-1634 Rated DRY Weight and Refrigerant CapacityA23-1545 A23-1544Relief Valve Arrangements Pumpout UnitClose the door to the control center Relief Valve LocationsA23-1585 Typical Field Wiring SchematicA23-1586 Typical Field Wiring Schematic A23-1587 Lug CapacityA23-1584 PIC III Control Component LayoutPage A23-1588 23XRV Controls SchematicA23-1589 A23-1592 A23-1591 A23-1590A23-1593 CCN Communication Wiring For Multiple Chillers TypicalA23-1594 23XRV with Unit-Mounted VFD/Control CenterA23-1596 Cable ManufacturersA23-1595 Insulator Codes Install Field Insulation and LaggingA23-1597 Lead/Lag Control WiringA23-1598 A23-1599 23XRV Insulation AreaPage Page Copyright 2006 Carrier Corporation Installation START-UP Request Checklist Testing YES/NO Date to be Completed

HFC-134A specifications

Carrier HFC-134A, also known as tetrafluoroethane, is a hydrofluorocarbon (HFC) refrigerant widely used in a variety of cooling and heating applications. It is recognized for its role in refrigeration and air conditioning systems, making it a crucial component in many modern HVAC units. One of the key features of HFC-134A is its zero ozone depletion potential, which makes it an environmentally friendly alternative to older refrigerants like CFCs and HCFCs.

The characteristics of HFC-134A include its stability, non-corrosiveness, and effectiveness at low temperatures. These properties allow it to perform efficiently in both residential and commercial refrigeration systems. The refrigerant operates within a temperature range that is ideal for many applications, including food preservation and air conditioning. HFC-134A's thermodynamic properties enable it to absorb and release heat effectively, making it suitable for both vapor-compression and absorption refrigeration cycles.

From a technological perspective, the use of HFC-134A aligned with the transition to more sustainable refrigerants. As global environmental regulations have tightened, manufacturers have shifted towards refrigerants with lower global warming potential (GWP). HFC-134A has a GWP of approximately 1,430, which is lower than many of its predecessors but still higher than some newer alternatives. This aspect drives ongoing research and development in the industry, aiming to create even more environmentally sound refrigerants.

Carrier HFC-134A is compatible with various lubricants and can be integrated into systems designed for other refrigerants with minimal modifications. This flexibility allows for a smoother transition within existing installations as businesses and homeowners upgrade their HVAC systems to comply with environmental regulations.

In summary, Carrier HFC-134A plays a significant role in modern refrigeration and air conditioning technology. Its main features, including zero ozone depletion potential, stability, and efficiency, contribute to its widespread use in various applications. As the industry continues to evolve, the focus on reducing the environmental impact of refrigerants will undoubtedly influence the future direction of HFC-134A usage and the development of new alternatives.