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1
WARNINGS
• The machine must only be used as described in this hand-
book.
• The machine must only be used by personnel who have read
all the instructions contained in this handbook.
When a temperature grade is set (Centigrades per minute), it is unadvisable to set a humidity grade.
The two quantities interfere with each other and therefore the temperature grade would be observed,
whereas the humidity grade would not.
The humidity grade should, therefore, be set only when the temperature is kept constant.
Please refer to the MOLLIER diagram to establish the test logic to be carried out for both temperature
and humidity.
2
THE OP7 SYSTEM
2.1
DESCRIPTION
The system consists of a control panel equipped with a display, keyboard and function keys.
This system enables temperature and humidity cycles to be carried out.
The system can operate Manually or Automatically.
Display
Function keys
(F2-F3-F4 not used)
Numerical key-
board
Movement
keys
To switch a function on/off
Ambient temperature min:
Relative humidity
SIEMENS
F1
F2
K1
K2
7
8
9
4
5
6
1
2
3
.
0 +/-
SHIFT
To enter or delete
The concept of HUMIDITY always
refers to Climatic Chambers. If the
chamber is not a climatic chamber,
you may ignore the relevant
references.
min: + 5°C
max + 45°C
RH
max 80%
SIMATIC OP7
F3
F4
HELP
K3
K4
SHIFT
ESC
ACK
INS
HELP
ENTER
DEL
3
This push-button may not be
present according to the model
of the machine
Alarm in process
HELP key warning light
SHIFT key warning light
To exit from a function
(and return to the selected page)
To reset an alarm
To confirm
Help on line
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