Operating instructions

Interval Maintenance work
monthly Inspection of the drain tap by visual inspection from the outside
Inspection of the external tubes for material fatigue
Cleaning of the condenser (only for air-cooled devices)
Cleaning of the water filter (only for water-cooled devices)
quarterly Decalcification of the cooling water circuit (a shorter interval must be selected depending
on water hardness and operating time)
(only for water-cooled devices)
half-yearly Inspection of the heat transfer liquid
7.3 Cleaning device
Personnel:

Operating personnel
WARNING!
Ingress of cleaning agents in the device
Electric shock
 Use a moist cloth for cleaning.
Also note the following:
 Only clean the control panel with water and detergent. Do not
use acetone or solvents. The consequence would be perma-
nent damage of the plastic surfaces.
Maintenance
Variocool 71