Planer Integra 750Plus, Инструкция по эксплуатации

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Installing the Integra 750Plus
3. Open the red pressure-release valve on the pump.
4. Slowly insert the pump into the neck of the dewar, being careful to avoid the liquid
nitrogen splashing. It is normal for nitrogen gas to issue from the pressure-release
valve immediately.
If the pump is inserted too rapidly, the liquid nitrogen may bubble violently and may
spurt from the neck of the dewar. If this happens, withdraw the pump far enough to
stop the bubbling, then reinsert it more slowly.
5. While seating the pump, align it so that when fully inserted, it will be possible to clip
its springs onto the handles of the dewar.
6. Check that the microswitch plunger projecting from the underside of the pump
contacts the dewar neck or the collar fitted to it, and seat the rubber bung firmly and
evenly in the dewar.
7. Pressing firmly on the top of the pump to hold it level, clip all the springs onto the
dewar handles, alternating between handles to keep the side loading to a minimum.
8. Close the pressure-release valve.
9. If you are installing the integra system for the first time, connect the pump to the
power supply unit (PSU) under the platform.
10. Connect the PSU to a suitable mains wall socket using an appropriate cable. The
PSU end of the cable requires an IEC socket. The mains plug or socket must be
fitted with a fuse rated at 5A.
11. Press the switch on the PSU and the adjacent lamp will switch on. After about 5
minutes, the pressure-gauge reading will rise to 5psi and the lamp will switch off to
indicate that the PSU has switched off. Normally, the dewar will remain pressurised
until nearly empty.
12. Check for liquid and gas leaks, and rectify as necessary.
13. Position the dewar so that delivery pipe to the freezer runs as straight as possible
with no major high or low spots.
2.6 Freezer lifting instructions
Failure to follow these instructions could result in personal injury.
1. The freezer weighs approximately 40Kg. Lift using two people; one at either end.
If the freezer has a delivery tube or cables already attached, use a third person to
ensure that they do not become trapped, etc.
2. If the door is configured for top opening, do not open it if you have turned the freezer
so that the door is to the front. The door has a powerful spring attached that allows it
to be opened easily when opened from the top, but when opened from the front, will
cause it to open VERY quickly and with a significant amount of force.
3. If the door is configured for front opening, it is not spring- assisted and if you have
turned the freezer so that the door is to the top, it will appear very heavy. Take care
not to release the open door as it may cause injury or damage to the freezer as it
falls to the closed position.
4. Do not attempt to lift the freezer by using the door handle or exhaust port.