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settings—never go below or above the design parameters.
– flow rate: 100–150 cc/min
– temperature: 223°F to 226°F (106°C to 108°C)
If the heater begins to overheat, an alarm indicates and shuts off the heater. Heating
resumes when the heater has cooled below the alarm setpoint.
Shutting Down the System
When servicing the reboiler or any electrical device, main power must be turned off to eliminate
the possibility of personal injury .
1. Turn off heater power switch, SW-1.
2. Close the sample inlet valve.
3. Shut down the cooling water supply to the unit.
Adjusting Temperature Unit
The temperature unit displayed by the controller can be changed between °F and °C by
adjusting the controller settings as described below:
1. Initiate power to the controller.
2. Adjust the temperature unit of measure:
a. Press the up and down keys simultaneously for six (6) seconds, or until SEt (setup
parameters menu) appears on the right display; the first submenu shown in the left
display is Ai.
b. Press the up or down key to scroll through the available submenus; when the gLbL
submenu appears in the left display, select it by pressing the green advance key
(circle arrows). C_F (temperature unit of measure parameters) appears in the right
display; the current temperature unit of measure is shown in the left display.
c. Use the up or down arrow key to select the desired temperature unit of measure: C
for Celsius scale or F for Fahrenheit scale.
d. Press the gray infinity key for two (2) seconds to return to the Home Page.
Sentry DCCP Reboiler
11
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