Phcbi MDF-1156 Series, Operating Instructions Manual

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TEMPERATURE RECORDER
Pen holder
Install a ink pen in the recording hand as shown in the figure.
Make sure that the ink pen is completely inserted for accurate
recording. The ink pen is packed together with the chart.
1. Let down the penholder lever, then pull out the cartridge from
the mounted position.
2. Insert a new pen.
3. Mount the cartridge into place.
4. Lift up the penholder lever and make sure that the pen point
touches the chart.
BACKUP COOLING KIT
Backup cooling kit for MDF-1156ATN (Liquid N
2
type)
1. Connect the liquid N
2
tank with the backup cooling kit joint by using connect tube and the joint attached
with this freezer. This work should be done by high pressure gas works specialists.
The pressure of liquid N
2
tank should be regulated at 0.5 kg/cm
2
G.
2. Operate the freezer until the freezer temperature reaches the required level.
3. Set the warning indicator of the temperature recorder at 15
o
C higher than the freezer temperature.
4. Switch on the liquid N
2
backup. This completes the backup cooling kit setting.
5. Make sure that liquid N
2
spouts into the freezer chamber with the backup test switch.
6. This completes the setting of the tank for automatic spouting in case the freezer temperature should
match the alarm set temperature.