Contents Electrical connection ..Error! Bookmark Contents not defined. 8.2.1 Connection data ..Error! Bookmark not Contents ............. 2 defined. Application Error! Bookmark not defined. 8.2.2 Overvoltage protection and power line load ..Error! Bookmark not defined. Technical data ..Error! Bookmark not Scope of supply and guarantee ...
1 Application Use only original replacement parts and acces- 1 Application sories. Enclosure cooling units are designed and built to dis- Losses from the components installed in the en- sipate heat from enclosures by cooling the air inside closure must not exceed the specific refrigeration the enclosure and protecting temperature sensitive capacity of the cooling unit itself;...
5 Commencing operation and control behavior 5.1.2 Editable parameters Param. Display Parameter Min. Max. Factory Description Type screen value value setting Password Protection code for modifying the configu- ration parameters (default=22). The value of the password can be customized from the supervisor Setpoint :r1 minimum value and r2 maximum...
5 Commencing operation and control behavior Accessing the type C parameters: Notice! It is not allowed to change the value for Press the SET button for more than 3 s (if there „r1 & r2“ without Rittal authorization are active alarms, mute the buzzer), the display shows the parameter code “PS”...
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5 Commencing operation and control behavior Reconnect power supply while holding but- tons 2 and 3 Display will show the message “CF” After a few seconds the unit will restart with factory setting parameters Rittal cooling unit assembly and operating instructions page 6 of 28...
8 Handling instructions --Terminal “1” C (connection of the supply voltage 5.1.8 Compressor: On / Off to the fault signal relay) --Terminal “2” NO (normally open) . Switching the compressor ON: press UP for more than 3 s (when pressing the button, the display shows ON).
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8 Handling instructions Active Ambient Check sen- The R134a (CH2FCF3) refrigerant is free from chlo- active temperature sor cable rine. It has an ozone destroying potential (ODP) of 0 probe bro- and replace and is therefore environmentally friendly. A filter dryer if necessary which is integrated in the hermetically sealed cooling Active...
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8 Handling instructions 8 Handling instructions 8.1 Fitting the cooling unit The enclosure cooling unit may optionally be exter- nally mounted on the enclosure (1) or partially inter- nally mounted (2). Figure 9: Securing the unit (all compact units except 3370220) 8.1.2 Partial internal mounting of the cooling unit (accessories not in- cluded)
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8 Handling instructions No additional temperature control may be con- nected upstream of the unit at the supply end Install the pre-fuse specified on the rating plate to protect the cable and equipment from short-cir- cuits The mains connection must ensure low-noise 8.2.2 Overvoltage protection and power line load Figure 12: Mounting cooling units...
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9 Inspection and maintenance free. All that may be required from time to time is to clean the components of the external air circuit using a vacuum cleaner or compressed air if they become visibly dirty. Any stubborn, oily stains may be re- moved using a non-flammable detergent, such as de- greaser.
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9 Inspection and maintenance Figure 19: Twist off the screw of the outside fan(1) Figure 22: Disconnect the plug of the outside fan(1) Figure 23: Disconnect the plug of the outside fan(2) Figure 20: Twist off the screw of the outside fan(2) Figure 21: Remove the outside fan Figure 24: Clean the heat pipe and compressor chamber using compressed air...
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9 Inspection and maintenance Figure 25: Clean the heat exchanger using compressed air 10 Storage and disposal Store the cooling unit in the appropriate position for transport. The closed cooling cycle contains refrigerant and oil, which must be properly disposed of for the protection of the environment.
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12 Wire plan Rittal cooling unit assembly and operating instructions page 14 of 28...
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12 Wire plan Rittal cooling unit assembly and operating instructions page 15 of 28...
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