5.When making up refrigerant piping, take every precaution to prevent dirt and moisture from entering the piping.

6.Locate the condensing unit and evaporator(s) as close together as possible to mini- mize piping runs.

7.Liquid or suction lifts not to exceed 60 ft.

 

 

TABLE 4

 

 

 

 

 

 

 

 

 

 

RECOMMENDED VAPOR AND LIQUID LINE SIZES FOR VARIOUS

 

 

 

LENGTHS OF RUN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RECOMMENDED VAPOR AND LIQUID LINE

 

 

 

 

 

SIZES FOR VARIOUS LENGTHS OF RUN

 

 

 

 

 

EQUIVALENT

LIQUID LINE O.D.

VAPOR LINE O.D.

 

 

 

 

LENGTH TO

SIZES (INCHES)

SIZES (INCHES)

 

 

 

 

EVAPORATOR

078

 

090

078

 

090

 

 

 

 

(FEET)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0' to 15'

12

 

12

118

 

118

 

 

 

 

16' to 50'

12

 

12

118

 

118

 

 

 

 

51' to 100'

12

 

12

118

 

138

 

 

 

 

101' to 150'

12

 

12

138

 

138

 

 

 

NOTE: Runs between condenser and evaporator not to

 

 

 

 

exceed 150' linear equivalent length.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FIGURE 7

 

 

 

 

 

 

 

 

COIL BELOW CONDENSING UNIT

 

 

 

 

 

 

 

 

 

 

 

TX VALVE

 

 

 

 

 

 

SOLENOID

 

 

 

 

 

 

 

 

LIQUID

VALVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LINE

 

 

 

 

 

 

 

 

NOTE: PIPING

SIGHT GLASS

 

 

 

 

 

 

ACCESSORIES SHOWN

 

SHOULD BE MOUNTED

 

AS CLOSE TO AIR

 

HANDLER UNIT AS

SUCTION

POSSIBLE

LINE

 

FIGURE 8

COIL ABOVE CONDENSING UNIT

LIQUID

LINESUCTION

LINE

12

Page 12
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Heat Controller R-410A installation instructions Feet

R-410A specifications

The Heat Controller R-410A is an advanced refrigerant used in various heating and cooling applications, particularly in residential and commercial air conditioning systems. Recognized for its efficiency and eco-friendliness, R-410A has become a popular choice among HVAC manufacturers and professionals.

One of the main features of R-410A is its high efficiency. It operates at a higher pressure than traditional refrigerants, which allows it to transfer heat more effectively. This results in improved energy efficiency ratings (SEER and EER) for systems utilizing R-410A, leading to lower energy bills and reduced environmental impact.

R-410A is also known for its environmental sustainability. Unlike its predecessor, R-22, R-410A has zero ozone depletion potential (ODP) due to its composition of hydrofluorocarbons (HFCs). Although it does have a global warming potential (GWP), the advancements in technology have made R-410A a more environmentally friendly option compared to many older refrigerants.

Developed through innovative technological advancements, R-410A systems often incorporate variable speed compressors and efficient heat exchangers. These technologies allow for better modulation of cooling and heating outputs, ensuring that the indoor environment remains comfortable while using the least amount of energy possible.

Another significant characteristic of R-410A is its compatibility with a wide range of HVAC equipment. Many new air conditioning systems are designed specifically to use R-410A, which has led to the creation of a robust market for these units. Additionally, R-410A systems tend to require less maintenance and have longer lifespans compared to those using older refrigerants.

Safety is another consideration for R-410A users. While R-410A is non-toxic and non-flammable, technicians who work with this refrigerant need to be trained and certified due to its high-pressure properties. Proper handling and installation are crucial to ensure system efficiency and reliability.

In summary, the Heat Controller R-410A stands out in the HVAC industry for its efficiency, environmental benefits, advanced technologies, and compatibility with modern systems. As the industry continues to evolve, R-410A remains a key player, paving the way towards more sustainable and efficient heating and cooling solutions.