Phcbi MDF-1156 Series, Operating Instructions Manual

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14
CHAMBER TEMPERATURE SETTING
Table 1 shows the basic procedure for setting the chamber temperature. Perform key operations in the
sequence indicated in the table. The example in the table is based on the assumption that the desired
temperature is -145
o C.
Note: The unit is set at the factory that the chamber temperature -150
o
C.
Table 1. Basic operation sequence (Example: Internal temperature –145
o
C)
Description of operation Key operated Indication after operation
1 Turn on the power switch. ----- The third digit blinks.
2
Set the second digit with the digit
shift key.
The second digit blinks.
3
Set the second digit to 4 with the
numerical value shift key. When pressed, the figure of settable
digit changes.
4
Set the first digit with the digit shift
key. When pressed, the settable digit is
shifted.
5
Set the first digit to 5 with the
numerical value shift key. When pressed, the figure of settable
digit changes.
6 Press enter key. ENT
Set temperature is memorized and
the current chamber temperature
is displayed.
Note:
• The temperature set mode returns to the temperature display mode automatically when 90 seconds has
passed without any key operation.
• Although the value of the chamber temperature setting can range from -125
o
C to -155
o
C, the
guaranteed temperature with no load is -152 o C when the ambient temperature is 30 o C.
REMOTE ALARM TERMINAL
The terminal of the remote alarm is installed at the back of
the unit.
The signal is contact output. Contact capacity is 2 A (DC
30 V)/0.1 mA (DC 1 V).
a) output: normal open, connect with N.O. and COM.
b) output: normal close, connect with N.C. and COM.