Operation Manual

3 Operation / Shutdown
3 - 1
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Operation / Shutdown
Caution
No one but someone who has enough knowledge and experience about the product and
incidental devices should operate or shut down the product.
3-1 Check points before operation
Before a trial running, check following points.
• Installed Condition
By visual inspection check that the product is installed horizontally.
The product make sure the product is fixed enough with anchor bolts.
Do not place heavy obstacles on the product and add unreasonable loading by piping and so on.
• Wiring Connections
Power cord, and the earth should be connected firmly.
• Drain Tube
Drain tube should be connected correctly.
• Air Piping
Make sure the piping for compressed air is connected correctly. Those valves of IN / Out side of the product and
of the bypass piping should be completely fasten.
3-2 Operation
Start operation according to the procedure below.
• Turn on the breaker of the main power supply. Then, turn on the illuminated switch.
• The lamp will light up. Few minutes later, the cooling fan will rotate and hot air will be exhausted from the
ventilation grille.
Place of the ventilation grille: IDF1E ~ 3E: Top Ventilation Grille
IDF4E ~ 15E: Right Side Ventilation Grille
• Open the IN / Out side valve slowly. Make sure the bypass valve is completely closed. Confirm there is no air
leakage.
• Depending on the condition of compressed air or ambient temperature, the cooling fan sometimes alternates
between rotation and stop at the beginning. Then, the refrigerator will go into continuous run and the pointer of
the evaporation thermometer will indicate in the green zone. If the pointer of the evaporation thermometer
indicates higher than the green zone, refer to “Chapter5 Troubleshooting.”
• After a while from the start of flowing the compressed air, drain will be discharged from the drain tube
automatically.
• Keep the condition of continuous run to use.