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6.2.6 Each PC is individually checked (visual inspection of fittings, helium leak test and
flow calibration). Sevenstar shall not be responsible for any damage caused by gas leakage
or the use of a dangerous gas. Users are responsible for following the safety rules
applicable to each gas they use. Improper use of a Sevenstar PC will void the warranty, and
PC that have been damaged as a result of improper use will not be replaced by Sevenstar.
6.2.7 Specific warranty requirements are as follows :
A
，
Gas must be clean and particle-free, which means a filter must be fitted in the gas
line upstream of the PC.
B
，
Gas must comply with the following pressure specifications: Gas pressure must
never exceed 3MPa.
C
，
Electrical connection requirements are as follows:
The system must be wired carefully: non-observance of the pin-out may irreversibly
damage the electronic board inside the PC, in which case the warranty will be invalidated.
D
，
Gas connections: The fittings must be handled carefully. Sevenstar guarantees that
all fittings have been individually inspected and are scratch-free.
E
，
Fitting procedure: The fitting procedure set out in the manual must be followed
meticulously. Specifically, the purge procedure is very important if corrosive gases or toxic
gases are used.
F
，
The PC must not be dismounted: The PC warranty will be invalidated if the seal
between the PC block and cover is torn.
6.3 Services
Sevenstar can provide services like start-up service, software development, gas
system design, training, etc.
Please visit www.mfcsevenstar.cn for more information
.
