Quantcast FLUSHING THE REFRIGERANT SYSTEM

 

Click here to make tpub.com your Home Page

Page Title: FLUSHING THE REFRIGERANT SYSTEM
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Back
BRAZING - TM-9-4120-428-140220
Up
TM-9-4120-428-14 Air Conditioner Horizontal Compact 9000 BTU/HR 208 Volt Three Phase 400 Hertz Model No. F9000H-4SPFI Manual
Next
FLUSHING
TM 9-4120-428-14
DIRECT SUPPORT MAINTENANCE
AIR CONDITIONER, HORIZONTAL, COMPACT
FLUSHING THE REFRIGERANT SYSTEM
INITIAL SETUP:
Materials/Parts
Tools
Refrigerant R-114, WP 0000 00, Item 5
Refrigeration Unit Service Tool Kit, WP 0000 00, Item
1
Equipment Condition
Goggles, WP 0000 00, Item 2
Gloves, WP 0000 00, Item 2
Remove Compressor (WP 0090 00)
Power Supply, WP 0000 00, Item 6
Diaphragm Pump, WP 0000 00, Item 8
FLUSHING
CAUTION
When a hermetic motor burns out, the stator winding decomposes forming carbon, water,
and acid, which contaminate refrigerant systems. These contaminates must be thoroughly
removed from the system to prevent repeated motor failures.
Unit contains R-22, a chemical substance that harms public health and the environment
by destroying ozone in the upper atmosphere. Qualified personnel must service
equipment only.
Flush the refrigerant system with refrigerant solvent R-114. Flushing should be done
under a pressure of 8 to 12 psi (.56 to .84 kg/cm2). Procedures for flushing the system are
as follows:
1. Connect the discharge line of the pump to the tubing at point 1. Connect the recovery line to the tubing t point 2.
Leave the suction line service value (point 3) and discharge the line service valve (point 6) closed. Cap the tubing at
points 4 and 5.
2. Start the pump and flush the line for approximately 10 minutes and then turn the pump off.
3. Remove the recovery line from point 2 and cap the tubing (at point 2).
4. Connect the recovery line to the valve at point 3 and open the suction line service valve.
5. Start the pump and flush the line for approximately 10 minutes and then turn the pump off.
6. Disconnect the bypass solenoid valve plug (P8) from the receptacle (J8).
7. Energize the solenoid valve by applying 28 volts dc across pins A and B of the plug (P8).
8. Start the pump and flush the line for approximately 10 minutes and then turn the pump off.
9. Switch the pump lines so that the discharge line is connected to the suction line service valve at point 3 and the
recovery line is connected to the tubing at point 1.
10. Start the pump and flush the line for approximately 10 minutes and turn the pump off.
0068 00-1

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc.