Service manual

3.10. CHARTLESS FUNCTION
The controller provides the temperature recorder function. This function, displays the control
temperature logging data during operation on the LCD panel in a simple graphic chart so that the data
can be confirmed easily. (Chart indication function)
The chart, temperature and alarm record scroll indication are based on the control sensor data
(SS/RS). When the data recorder sensors (DSS/DRS) are optionally provided, the chart indication is
based on the data recorder sensor data preferentially.
3.10.1 Chart indication mode
The temperature record data is indicated in a graphic chart on the LCD panel in the chart indication
mode.
 The displayed log period is selected from 12 hours ( HOURS on the time base) or 6 days ( DAYS
on the time base).

The displayed intervals are 2 hours for 12 hours log ( HOURS) and one day for 6 days log ( DAYS).
 The indication of the data during the defrosting is flickered, and the indication of the other chart data is lit on.
● LCD panel
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3-62
● Example of chart indication
Indication for
temperature
changing state
Indication for
temperature
change trend
1
2
Temperature
range
Selected time
base is lights up.
UNDER
SP –5°C
IN RANGE
OVER
SP+ 5°C
1
HOURS
2
DAYS
–1–2–3–4–5–6
–2–4–6–8–10–12
Time range
SP
SP– 5°C
SP+ 5°C
SP+ 2°C
SP– 2°C
–6days –5days –4days –3days –2days –1day –12hours –10hours –8hours –6hours –4hours –2hours
Ex.1 Ex.2
SP+10°C
SP+20°C
1
Ex.1
2
UNDER
SP – 5°C
OVER
SP + 5°C
IN RANGE
The graphic chart of the temperature change for 6 day log
(time base : 2 (DAYS))
The graphic chart of the temperature change for 12 hours log
(time base : 1 (HOURS))
The arrow indicates the temperature change trend when all segments
are in the same temperature range.
Ex.2
1
HOURS
2
DAYS
–1–2–3–4–5–6
–2–4–6–8–10–12
UNDER
SP – 5°C
OVER
SP + 5°C
IN RANGE
1
HOURS
2
DAYS
–1–2–3–4–5–6
–2–4–6–8–10–12