V. Installation

8. Charge/recovery of refrigerant

8-2. Additional refrigerant amount calculation method

(1)The amount of refrigerant filled in the outdoor when the product is delivered (on the base of piping 10 m)

(2)Additional amount of refrigerant as per the pipe diameter and length (liquid pipe based)

Pipe diameter (mm)

6.35

9.52

12.70(✻✻040✻✻~

12.70(✻✻08✻✻~

✻✻075✻✻)

✻✻100✻✻)

 

 

 

 

 

Additional amount of

50

80

120

140

refrigerant(g/m)

 

 

 

 

 

 

 

 

 

(3) Additional refrigerant amount calculation method

Additional refrigerant amount = 12.70 (liquid pipe /high pressure pipe diameter) x 120g/m

+9.52 (liquid pipe /high pressure pipe diameter ) x 80g/m

+6.35 (liquid pipe /high pressure pipe diameter ) x 50g/m

(4)Example of additional refrigerant amount calculation

● Additional amount of refrigerant = additional amount of refrigerant as per the total pipe length

●Arrangement: liquid pipe diameter -gas pipe diameter - pipe length

A

B

1

7200W

C

D

 

E

 

2

3

4

5

6

4000W

3200W

3200W

2000W

2000W

 

 

 

7200W

 

 

 

 

10400W

 

 

 

14400W

 

 

 

21600W

 

 

 

Additional amount of refrigerant =(ø12.70 liquid pipe lengthX120g/m)+(ø9.52 liquid pipe lengthX80g/m)+

(ø6.35 liquid pipe lengthX50g/m)

=(20mX120g/m)+(25mX80g/m)+(25mX50g/m) =5650g-α

V36

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Samsung 3759 Additional refrigerant amount calculation method, Example of additional refrigerant amount calculation
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