Bard P1242A1 Suction and Discharge Tube Brazing, Brazing Diagram, Indoor Blower Perfomance

Page 22

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

Image 22
Contents Installation Instructions Single Package AIR Conditioners Contents Getting Other Information and Publications For More INFORMATION, Contact These PublishersShipping Damage Field Installed Heater Packages OptionalGeneral Instructions GeneralCompressor Circuit a Electrical SpecificationsHz Circuit a Fan Motor and Condenser414 12.8 P1236A1-B Heater Package Volts Model PhaseVolts Model Phase This columnHtr. Amps Fuses Circuits Ampacity Protection Optional Field Installed Electric Heater TableHtr. KW Circuit B Capacity @ 240 Volts @ 208 Volts SizeDimensions of Units Typical Installations InstallationLocation Airflow and Service Access Clearances Slab Mounting AT Ground LevelRoof TOP Application Elevated Mounting PlatformsMIS-1177C Roof Curb Details Dimension for X in FIGUnit Model Roof Hood Dimension Field Fabricated CurbingFilter Requirements & Sizes Condensate Drain TrapAIR Filters Condensate Drain TrapTransformer Taps Wiring Main PowerWiring 24V LOW Voltage Control Circuit ThermostatsLOW Voltage Wiring Start UP and Operation Alarm Output AdjustmentsLOW Pressure SWITCH, BYPASS, and Lockout Sequence Adjustable DELAY-ON-MAKE and DELAY-ON-BREAK TimerPressure Service Ports Service and TroubleshootingService Hints FAN Blade SettingsIndoor Blower Perfomance Brazing DiagramSuction and Discharge Tube Brazing ESP P1124A2 P1130A2 P1136A2 P1142A3 P1148A2 P1060A1Pressure Table Return Air Pressure 100 105 110 115 ModelPressure Table ∃ Run Mositure Check Troubleshooting ECM Blower MotorsMotor rocks slightly when starting Motor wont start Evidence of MoistureExcessive noise Motor starts but runs erratically∃ Perform Moisture Check

P1230A1, P1124A2, P1148A2, P1236A1, P1248A2 specifications

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