Split System Models

Once all piping is complete, check for leaks and dehydrate the field piping as follows:

1.Pressurize the field piping to 150 PSIG (1034 kPa) using dry nitrogen with a trace of refrigerant. Check system for leaks with a suitable leak detector.

2.After completion of leak testing, release the test pressure (per local code) and pull a deep vacuum on the field piping with a suitable pump.

3.After 15 minutes, check the pressure readings and, if they have not changed, break vacuum with dry nitrogen. Pull a second vacuum to 250 microns or less. Recheck the pressure after 15 minutes.

Table 21 Unit refrigerant charge

 

R22 Charge

R407C Charge

Model

 

 

lbs (kg)

lbs (kg)

 

 

 

 

 

BF/BU 036E

0.56

(0.25)

0.5

(0.2)

 

 

 

 

 

BF/BU 035E

0.56

(0.25)

0.5

(0.2)

 

 

 

 

 

BF/BU 060E

0.81

(0.37)

0.8

(0.4)

 

 

 

 

 

BF/BU 059E

0.81

(0.37)

0.8

(0.4)

 

 

 

MC_40/39A

13.31 (6.04)

12.9 (5.8)

 

 

 

 

 

MC_65/64A

27.00

(12.25)

26.1

(11.8)

 

 

 

PF_042A-_L

13.31 (6.04)

12.9 (5.8)

 

 

 

PF_041A-_L

13.31 (6.04)

12.9 (5.8)

 

 

 

 

 

PF_Z42A-_L

26.63

(12.08)

25.8

(11.7)

 

 

 

 

 

PF_Z41A-_L

26.63

(12.08)

25.8

(11.7)

 

 

 

 

 

 

R22 Charge

R407C Charge

Model

 

 

lbs (kg)

lbs (kg)

 

 

 

 

PF_042A-_H

26.63

(12.08)

25.8 (11.7)

 

 

 

 

PF_041A-_H

26.63

(12.08)

25.8 (11.7)

 

 

 

 

PF_067A-_L

26.63

(12.08)

25.8 (11.7)

 

 

 

 

PF_066A-_L

26.63

(12.08)

25.8 (11.7)

 

 

 

 

PF_Z67A-_L

51.69

(23.45)

50.1 (22.7)

 

 

 

 

PF_Z66A-_L

51.69

(23.45)

50.1 (22.7)

 

 

 

 

PF_067A-_H

51.69

(23.45)

50.1 (22.7)

 

 

 

 

PF_066A-_H

51.69

(23.45)

50.1 (22.7)

 

 

 

 

MC_44/43W

3.38

(1.53)

n/a

 

 

 

 

MC_69/68W

5.88

(2.67)

n/a

 

 

 

 

Table 22 Line charges - refrigerant per 100 ft (30 m) of Type "L" copper tube

 

 

 

R22

 

R407C

 

 

 

 

 

 

 

Liquid Line

 

Suction Line

Liquid Line

Suction Line

O.D.

lbs (kg)

 

lbs (kg)

lbs (kg)

lbs (kg)

1/2"

7.3

(3.3)

 

0.2 (0.1)

6.9

(2.9)

-

 

 

 

 

 

 

5/8"

11.7 (5.3)

 

0.3 (0.2)

11.0 (4.6)

0.4 (0.2)

 

 

 

 

 

 

 

7/8"

24.4

(11.1)

 

0.7 (0.3)

23.0 (9.6)

1.0 (0.4)

 

 

 

 

 

 

 

 

1-1/8"

41.6

(18.9)

 

1.2 (0.6)

39.3

(16.3)

1.7 (0.7)

 

 

 

 

 

 

 

 

1-3/8"

63.3

(28.7)

 

1.9 (0.8)

59.8

(24.8)

2.7 (1.1)

 

 

 

 

 

 

 

 

Table 23 Recommended refrigerant lines (R22 or R407C) sizes OD copper

 

3.5 Tons

5 Tons

 

036E (035E)

060E (059E)

Equivalent Feet (m)

 

 

 

 

Suction

Liquid

Suction

Liquid

 

 

 

 

 

0-50 (0-15)

7/8"

1/2"

1-1/8"

1/2"

 

 

 

 

 

51-100 (16-30)

1-1/8"

1/2"

1-1/8"

5/8"

 

 

 

 

 

101-150 (31-45)

1-1/8"

5/8"

1-3/8"

5/8"

 

 

 

 

 

Table 24 Line coupling sizes

Model

Line Size

Coupling

Torque

(Tons)

OD Cu, in.

Size

lb-ft.

3

3/8

#6

10-12

5

1/2 & 5/8

#10

35-45

3

7/8

#11

35-45

5

1-1/8

#12

50-65

44

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Image 50
Liebert 3000 Unit refrigerant charge, Recommended refrigerant lines R22 or R407C sizes OD copper, Line coupling sizes

3000 specifications

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