Quantcast LOW PRESSURE CUTOUT SWITCH (LPCO) BYPASS INSTALLATION

 

Click here to make tpub.com your Home Page

Page Title: LOW PRESSURE CUTOUT SWITCH (LPCO) BYPASS INSTALLATION
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
REPAIR - TM-9-4120-428-140192
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
CONDENSER COIL INSPECTION AND CLEANING
TM 9-4120-428-14
UNIT MAINTENANCE
AIR CONDITIONER, HORIZONTAL, COMPACT
LOW PRESSURE CUTOUT SWITCH (LPCO) BYPASS INSTALLATION
INITIAL SETUP:
Tools
Equipment Condition
Refrigeration Unit Service Tool Kit, WP 0000 00, Item
Remove Junction Box (WP 0036 00)
1
NOTE
If the unit is to be operated in COOL mode at or below 0 degrees F (-17.8 degrees C),
ambient the low pressure cutout (LPCO switch (S5) must be jumped.
TERMINAL 2
S5
S4
INSTALLATION
1. Tag and disconnect all wire leads from the low-pressure cutout switch (S5) terminal 2.
2. Tag and disconnect all wire leads from the high-pressure cutout switch (S4) terminal 2.
3. Connect the wire leads disconnected in step 1, from above, to the high-pressure cutout switch (S4) to terminal 2.
4. Connect the wire leads disconnected in step 2, from above, to the low-pressure cutout switch (S5) to terminal 2.
5. Remove tags.
6. Fabricate the CAUTION tag (as shown below) and place on the control panel to show that the low-pressure cutout
switch has been bypassed.
CAUTION
The air conditioner low-pressure cutout switch (S5) has been bypassed to permit
operation in COOL mode at temperatures below 0 degrees F. (-17.8 degrees C).
The compressor will not shut off under low suction pressure conditions.
Rewire the pressure cutout switches (S4 and S5) per the wiring diagram when the outside
air temperature increases to 40 degrees F (5 degrees C).
NOTE
FOLLOW-ON MAINTENANCE:
Install Junction Box (WP 0036 00)
END OF WORK PACKAGE
0056 00-1

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

Integrated Publishing, Inc.