CABLE TRAY CONTAINING

 

VAPORIZER HTR CONDUIT

 

OIL HEATER CONDUIT

 

OIL PUMP CONDUIT

 

OIL SUMP TEMP. CABLE

 

OIL SUMP PRESS. CABLE

 

OIL PRESS. CABLE

OIL RECLAIM ACTUATOR CABLE

 

HGBP CONDUIT (OPTIONAL)

CONDENSER

 

PRESSURE

 

CABLE

 

WATER SENSOR CABLES

 

FOR NOZZLE ARRANGEMENTS

 

A,B,C,E,F,P,Q,R,T,&U

 

(SAME FOR OTHER END

 

OF MACHINE)

 

DISCHARGE END

 

 

CABLE TRAY CONTAINING

DISCH. TEMP. CABLE

ENT/LVG CHILLED LIQUID CABLES

ENT/LVG COND. LIQUID CABLES

DISCH. PRESS. CABLE

COND, PRESS CABLE

DISCH. PRESS. SWITCH

COMP’R DISCH TEMP. CABLE

 

 

EVAP. PRESS. CABLE

COOLER

EVAP. REFRIG. LIQUID TEMP. CABLE

MOTOR TEMP. CABLE

PRESSURE

VFD COOLANT SOLENOID CABLE

CABLE

OIL PRESS. CABLE

DISCH. PRESS. SWITCH CABLE

HGBP CONDUIT (OPTIONAL)

CONTROL

PANEL

MOTOR TEMPERATURE

CABLE

SUCTION END

VFD COOLING

SOLENOID

CABLE

HGBP CONDUIT (OPTIONAL)

EVAP REFRIG. LIQUID

LEGEND

TEMP. CABLE

HGBP

Hot Gas Bypass

HTR

Heater

ENT/LVG — Entering/Leaving

Fig. 10 — Electrical Cable Routing (Top View)

CABLE TRAY CONTAINING

OIL VAPORIZER CONDUIT

OIL HTR CONDUIT

OIL PUMP CONDUIT

OIL RECLAIM ACTUATOR CABLE OIL SUMP PRESS. CABLE OIL DISCH. PRESS. CABLE

OIL SUMP TEMP. CABLE

HGBP CONDUIT (OPTIONAL) COMR’R DISCH. TEMP. CABLE DISCH. PRESS. SWITCH DISCH. PRESS. CABLE

COMP’R DISCHARGE

TEMP. CABLE

DISCH. PRESS. CABLE

DISCH. PRESS. SWITCH

CONDENSER

PRESSURE

CABLE

EVAPORATOR

PRESSURE

CABLE

DISCHARGE END

VFD COOLING

SOLENOID

MOTOR TEMP

CABLE

SUCTION END

 

 

OIL PUMP

 

 

CABLE TRAY CONTAINING

OIL HEATER

 

 

CONDUIT

 

 

VAPORIZER HEATER CONDUIT

CONDUIT

 

LEGEND

 

OIL

OIL SUMP

OIL HTR CONDUIT

EVAPORATOR

 

 

OIL PUMP CONDUIT

REFRIG LIQUID

 

 

TEMPERATURE

 

 

 

PRESSURE

OIL RECLAIM ACTUATOR CABLE

TEMPERATURE

HGBP

Hot Gas Bypass

 

LEAVING

CABLE

OIL SUMP PRESS. CABLE

SENSOR CABLE

OIL RECLAIM

 

HTR

Heater

FILTER

OIL SUMP

OIL PRESS. CABLE

 

ACTUATOR

 

ENT/LVG— Entering/Leaving

CABLE

PRESSURE

OIL SUMP TEMP. CABLE

 

CABLE

 

 

CABLE

HGBP CONDUIT (OPTIONAL)

a23-1559

 

 

 

 

 

 

 

 

 

 

Fig. 11 — Electrical Cable Routing (Back View)

12

Page 12
Image 12
Carrier HFC-134A installation instructions Electrical Cable Routing Top View

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.