CPS Products BLACKMAX MD100 Series Посібник користувача - Сторінка 9
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PRESSURE HOLD TEST (CONTINUED)
3. Use [UP/DOWN ARROWS] to adjust test duration in 5 minute increments to
desired setting (Note: Minimum time is pre-set at 5 minutes. Maximum time is
95 minutes).
4.
Press [SET] to store Test Duration. Display will advance to Pressure Set Screen [FIG.10].
FIG.10
Psig
Input Test
Pressure
hh : mm
Pressure Set Screen
5.
Connect manifold Low and High Side Service hoses to the system to be tested.
Pressurize the system. Regulated Nitrogen or Nitrogen/Hydrogen trace gas is
recommended.
6.
The pressure in the system will be displayed in the UPPER LEFT.
7.
Press [SET] to start test. Starting test pressure is indicated in upper left display
[FIG.10]. Current system pressure is shown in upper right display. Timer (lower left
display) decrements and when at zero, a bell will sound indicating test completion
and Start Vs. Final Pressures will be displayed [FIG.11] to determine if system
leaks.
VACUUM HOLD TEST
Normally, systems with vacuum levels within 250-500 microns are deemed as having a
good seal and are ready for charging. As with any recharged system, a good electronic leak
detector should be used to test for leaks after the charge has been completed. MD50 or
MD100 manifold series will function as accurate vacrometers when used with the MDXVG
Remote Vacuum Accessory [FIG.4].
1. Plug the MDXVG Vacuum Accessory into the upper right side of the manifold [FIG.12].
2. The Vacuum Display Screen [FIG.13] appears.
Connection port
MDXVG Vacuum Gauge Accessory Connection
GlobalTestSupply
www.
APO
Psig
Original Set
System Pressure
Value
Start Vs. Final Pressures
FIG.12
mic
Vacuum Display Screen
.com
FIG.11
Psig
Final System
Pressure
Value
FIG.13
Vac
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