Figure 6-27. Saginomiya Temperature Recorder - Carrier TRANSICOLD 69NT40-531 Series Manual

water, and agitating until mixture reaches 0°C
(32°F) as shown by a laboratory thermometer.
c. When the ice bath temperature reaches 0°C (32°F),
as shown by the laboratory thermometer reading,
compare the temperature indicated by stylus with
temperature shown by the thermometer. Allow
sufficient time to ensure bulb has cooled to the ice
bath temperature. If the two readings do not agree
within +/-- 0.3°C (1/2°F), the recording thermometer
should be referred. Do not touch stylus during the
checkout procedure.
d. If adjustment is required,
(cross-recessed head). Using a 7 mm wrench,
rotate the adjustment screw clockwise to set the
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5
4
3
2
1
1. Thermistor Sensor
2. Voltage Indicator
3. Indicator Test Switch
4. Battery ("C" size, Alkaline)
5. Chart Nut
6. Stylus (Supply)
7. Stylus Lifter (Supply)
8. 31 Day Timer
9. Setscrew (Adjustment)
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loosen setscrew
18

Figure 6-27. Saginomiya Temperature Recorder

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stylus 1 to 2°C (1.8 to 3.6°F) higher than desired
temperature.
e. Rotate the adjustment screw counterclockwise to
set the stylus about 0.5°C (0.9°F) higher than set
temperature. Rotate the chart by hand. The
indicated temperature should be 0°C (32°F).
6.24.3Replacing Sensor Probe
a. Remove box from unit.
b. Remove nut and bushing (item 18, Figure 6-27).
c. Install replacement probe and bushing. Seal with
silicone before securing to case.
d. Install box into unit.
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10. Element (Supply)
11. Return Temperature Sensor Assembly
12. Recorder Box
13. Recorder Door
14. Setscrew (Adjustment)
15. Stylus (Return)
16. Stylus Lifter (Return)
17. Element (Return)
18. Bushing and Nut
6-27
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T-292