Buhler PKE 511 - Submenu Peltier Cooler (Display: P5; Maintenance

Bedienungs- und Installationsanleitung
Installation- and Operation Instruction
Messgaskühler / Sample Gas Coolers PKE-5xx
BX440010 08/2013 Art. Nr. 90 31 105
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4.3.2 Submenu Peltier cooler (Display: P5__)
Peltier cooler Nominal temperature
Temperature
This item allows setting of the nominal temperature for the cooler. The value can
be set within a range from 2°C (35.6°F) to 20°C (68°F).
Note:
Default value at delivery is 5°C (41°F) (unless otherwise agreed).
Peltier cooler  upper alarm threshold (Alarm high)
Alarm high
This item allows setting of the upper alarm threshold for the optical alarm as well
as for the alarm relay. The upper alarm threshold may be set in the range from
+1°C (+1.8°F) to +7°C (+13°F) above the nominal temperature.
Note:
Default value at delivery is +3°C (+5°F) (unless otherwise agreed).
Peltier cooler  lower alarm threshold (Alarm low)
Alarm low
This item allows setting of the lower alarm threshold for the optical alarm as well
as for the alarm relay. The lower alarm threshold may be set in the range from -
1°C (-1.8°F) to -3°C (-5°F) below the nominal temperature.
Note:
Default value at delivery is -3°C (-5°F) (unless otherwise agreed).
Exit submenu
Exit
Selecting this item returns to the main menu.
4.4 Maintenance
Basic versions of the cooler run maintenance free.
If the PKE 5xx is equipped with a peristaltic pump, the hoses have to be checked in regular intervals depending
on the gas. Displacement of the hoses is described in chapter 6.4.