Hanse VTC Series, Инструкции по установке, эксплуатации и обслуживанию

Страница: 20 / 91

Operation
Check chamber functions and your personal understanding of the system
before
installing product to be tested, by following these steps with an empty chamber.
A. Verify that all utilities are on-line before operating equipment.
a. Compressed air is required to operate cooling, vibration systems, purge,
and auto door latches on some models.
b. Liquid nitrogen is required for proper cooling. (Empty or low LN2 tanks
produce a mixture of liquid and vapor which will not properly cool the
chamber.)
c. Proper voltage and phase electrical supply are necessary for full heating
capability.
B. With all function switches in OFF position, turn ON main disconnect switch if
not already on. Then open compressed air service valve and liquid nitrogen
supply valve.
C.
Connect Accelerometer to Input 1 this is default control channel
D. Be sure all doors are closed securely. Close doors by manually pushing
closed as far as possible, then operate door close switch or manual door
latch.
E.
Some models are equipped with a programmable event to shut down the
chamber at the end of a program. If fans do not start when reset switch is
operated, check status of this event and also verify that all doors are closed
and door sensors are properly sensing door closures.
F. Some Models with HanseView Analysis have optional output control This
allows you to use 1 or more selectable accelerometers as control defiled in
Test Profile.
Authorization and Copyright of this document is
controlled by Hanse Environmental Inc.
20