1 Hints on the manual This handbook contains instructions for the installation and operation of door and side-mounted, bolt-on Cooling Series Units provide by Pfannenberg (PCN). Hint The technical specifications for each machine along with additional information on assembly, connections and operation are contained in a separate sheet.
Especially pay attention to loose parts, dents, scratches, visible loss of oil etc. Any damage must be reported immediately to the forwarding agent (follow the instructions in "Rules for Damage Claims"). Moreover, the latest edition of the "Pfannenberg After Sales Service Declaration" shall apply.
6 Safety Cooling units produced by Pfannenberg are designed for application dissipating heat from switch cabinets (IP 54). The cooling unit is only suitable for installing on the stationary operation. Only the authorized specialist can be work on the cooling system and electrical components.
Please refer to the attached technical specification for the details function of the cooling unit. 7.2 Operating principles ss s s s. ( ) f ( ) s ( ). 7.3 Condensate The condensate is discharged in the following way: In case of normal condensate drainage a reservoir (option) collects the condensate which is then drained by means of a hose.
8.1 Circuit Diagram 8.2 Spare parts Please order your spare parts only with the Pfannenberg-parts-number. Spare parts 8031ES 8041ES Internal fan 18861100017 18861100018 External fan 18861100017 18861100019 18861200003 18861200007 Compressor 18864000004 18864000006 Internal fan capacitor 18864000004 18864000001 External fan capacitor...
8.4 Airflow principle Caution: Read this manual completely and carefully before installing the unit. This manual is an integral part of the scope of delivery and must be kept until the unit is disposed of. Prior to mounting, ensure that the clearance of the units to each other and to the wall is at least 200mm; air inlet and outlet are not obstructed on the inside of the enclosure.
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Cooling data DTI 8031ES y s ) ° (+ °F) . (f y s ) > + ° (+ °F) ° (+ °F) . . . + ° (+ °F) ° (+ °F) . . . + ° (+ °F) °) ³...
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Cooling data DTI 8041ES y s ) ° (+ °F) . (f y s ) > + ° (+ °F) ° (+ °F) . . . + ° (+ °F) ° (+ °F) . . . + ° (+ °F) °) ³...
°) f °°) 9 Installations 9.1 General • ’s cooling unit. • must be keep the distance at 200mm at least for the single units or the unit and the wall. • ’s not impede air circulation in the internal cabinet. •...
1 Cooling unit DTI 5 springs shim 2 switch cabinet wall or door 6 sealing strip 3 snap-fastener 7 bolts 4 flat gasket 8 sealing strip s f x 5) It 6) Clamp s z : . 7) P . (s ss y 9.3 Electrical connection Caution:...
Caution: . ’s s 230V or 400V. Door contact: Caution: No external voltage may be applied Fault indication: Caution: The contact may be loaded with max230V, 10 Operating condition • ± % • ± Hz f • ℃. •Us •Us 11 Putting into operation and function Please 11.1 General remarks...
11.2 Operate the display y. “0.0℃” s 3s after the supply power is switched on, then internal temperature is shown. This indicates the unit works properly. If there is a failure or y’s it easier to diagnose the cooling unit. (Refer to section 15) 11.3 Start-up / Test mode ’...
Caution: Caution: ’ Caution: 13.2 Maintenance k s f 14 Stopping using s. ( 15 Trouble shooting Alarm codes list: Alarm code description Trouble shooting method ) M k s ) M k s ) M k s 685408028A...
) M k s ) M k s f ’s Caution: 16 Warranty Conditions • • f • • f • •F • • •R s; s 685408028A...
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Appendix I Parameter Description Min. Max. Default Unit ℃ Air return of inner cycle ℃ * T1 Internal setting temperature Door switch, 0 means open, 1means close Internal fan, 0 means OFF, 1 means ON External fan, 0 means OFF, 1 means ON Compressor, 0 means OFF, 1 means ON Alarm, 0 means alarm output, 1 means units work normal...
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