Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

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System Specifications

Maximum Pressure Reading, Gauge Valve Open 150
Minimum Pressure Reading, Gauge Valve Closed [01] 1000

[01] Fully close and reopen valve three times. Record highest pressure readings each time valve is closed. Do not leave valve fully closed for more than five seconds. Each reading should be at least 1000 psi] readings should be within 50 psi of each other.