 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|
 TM9-4120-423-14&P
Nitrogen Purging Connection
HIGH PRESSURE
SERVICE VALVE
CHARGING
MANIFOLD
LOW PRESSURE
SERVICE VALVE
NITROGEN
TANK
1
The refrigeration system must be purged with dry nitrogen before any brazing is performed on
any component. A flow of dry nitrogen at the rate of less than 1 - 2 cfm (0.028 - 0.057 cubic
meters/minute) should be continued during all brazing operations to minimize internal oxidation
and scaling.
2
See specific component removal repair instructions.
3
Connect the center hose from the charging manifold to a nitrogen regulator and dry nitrogen
tank.
4
The hose from the high-pressure service valve to the charging manifold should be connected.
5
The hose from the low-pressure service valve should be disconnected from the charging
manifold.
6
Open both service valves on the unit.
7
Close the unused valve on the charging manifold and open the one with the nitrogen tank hook
up.
0071 00-2
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals