00981795R03 – FZR20/25 LB, PL
Operation
19
Fig. 46
6. Use
to scroll and highlight
Refrigeration Controls (Fig. 46).
Fig. 47
7. Press and hold Enter and Down ( ) button for 3 seconds, until new
submenu appears with
Calibration highlighted (Fig. 47).
8. Press the Enter button.
Fig. 48
9. With Cal Top Probe highlighted, press Enter to select (Fig. 48).
Fig. 49
10. When probe temp stabilizes press Enter button calibrating it to 0.0 C
(32 F) (Fig. 49). Wait one minute and press
Enter button again to
confirm calibration.
11. Remove probe from ice bath and return to solution-filled probe bottle.
12. Press Back until main temperature display screen is displayed.
13. Repeat steps for bottom probe, if equipped.
ATTENTION
• Bottom temperature probe is only standard on plasma models
• If unit has the chart recorder option, refer to “Chart recorder calibration” on
page 19.
Refrigeration Controls
Password on/off
PIN
Set Time/Date
-30.0C
Back Enter
Calibration
Refrig Setpoint
Differential
High Setpoint Limit
Low Setpoint Limit
-30.0C
Back Enter
CAL Top Probe
CAL Bottom Probe
-30.0C
Back Enter
Set CAL TEMP W ^/
^
When Top Probe Stable
Press Enter
Cal -31.1C i Probe -30.8C
-30.0C
Back Enter