SUCTION AND DISCHARGE TUBE BRAZING

Compliant Scroll compressors have copper plated steel suction and discharge tubes. These tubes are far more rugged and less prone to leaks than copper tubes used on other compressors. Due to different thermal properties of steel and copper, brazing procedures may have to be changed from those commonly used.

To disconnect: heat joint Areas 2 and 3 slowly and uniformly until braze material softens and the tube can be pulled out of suction fitting. (See Figure 10.)

To connect:

Recommended brazing materials: silfos with minimum 5% silver or silver braze material with flux.

Reinsert tube into fitting.

Heat tube uniformly in Area 1 moving slowly to Area 2. When joint reaches brazing temperature, apply brazing material. (See Figure 11)

Heat joint uniformly around the circumference to flow braze material completely around the joint.

Slowly move torch into Area 3 to draw braze material into joint. (See Figure 11.)

Do not overheat joint.

FIGURE 11

BRAZING DIAGRAM

MIS-1179

TABLE 13

INDOOR BLOWER PERFOMANCE

ESP In

P1124A2

 

P1130A2

 

P1136A2

 

P1142A3

 

P1148A2

 

P1060A1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H2O

Dry /

Wet

 

Dry /

Wet

 

Dry /

Wet

 

Dry /

Wet

 

Dry / Wet

 

Dry / Wet

0.0

1025

/ 960

 

1350

/

1210

 

1465

/

1375

 

1650

/

1625

 

1950 / 1920

 

1850 / 1850

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1

935

/ 870

 

1300

/

1160

 

1430

/

1340

 

1550

/

1525

 

1860 / 1830

 

1800 / 1780

0.2

865

/ 800

 

1240

/

1100

 

1385

/

1295

 

1435

/

1400

 

1780 / 1750

 

1725 / 1700

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.3

835

/ 770

 

1175

/

1035

 

1340

/

1250

 

1340

/

1310

 

1680 / 1660

 

1660 / 1625

0.4

800

/

735

 

1120

/

980

 

1275

/

1185

 

1230

/

1210

 

1580 / 1550

 

1580 / 1540

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.5

750

/

685

 

1050

/

910

 

1190

/

1100

 

1120

/

1100

 

1500 / 1480

 

1500 / 1475

Manual 2100-353 Page 20

Page 22
Image 22
Bard P1242A1, P1248A2 Suction and Discharge Tube Brazing, Brazing Diagram, Indoor Blower Perfomance, Dry Wet Dry / Wet

P1230A1, P1124A2, P1148A2, P1236A1, P1248A2 specifications

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