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Table of Content 43251081
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Version Nr. 1-6 - 02.08.2022
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Doc. No. 9943251081
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Summary of Contents for Seifert 43251081
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Page 1: Table Of Contents
Table of Content 43251081 1. User manual ..........................2. Legal regulations ......................... 3. Safety instructions ........................4. Settings ............................5. Functional principle ........................6. Technical data ..........................7. Performance graph ........................8. Mounting ............................9. Mounting Principle ........................10. Cut out dimensions ........................ -
Page 2: User Manual
1. User manual This instruction manual contains information and instructions to enable the user to work safely, correctly and economically on the unit. Understanding and adhering to the manual can help one: Avoid any dangers. Reduce repair costs and stoppages. Extend and improve the reliability and working life of the unit. -
Page 3: Safety Instructions
Disregarding the instruction manual Operating error Inappropriate work on or with the unit The use of non-specified spare parts and accessories Unauthorised modifications or changes to the unit by the user or his personnel The supplier is only liable for errors and omissions as outlined in the guarantee conditions contained in the main contractual agreement. -
Page 4: Settings
4. Settings The cooling unit is intended to be used as a complementary accessory to larger industrial equipment. The unit is used where heat needs to be dissipated from electrical control cabinets or similar enclosures in order to protect heat sensitive components. It is not intended for household use. The unit has two completely separate air circuits which ensure that the clean cabinet air does not come into contact with the ambient air which may well be dirty or polluted. -
Page 5: Functional Principle
5. Functional principle The cooling unit for enclosures works on the basis of a refrigeration circuit consisting of four main components: compressor (1), evaporator (2), condenser (3) and expansion device (4). The circuit is hermetically sealed and R134a refrigerant circulates inside it (R134a is chlorine free and has an Ozone Destruction Potential [ODP] of 0 and a Global Warming Potential [GWP] of 1430). -
Page 6: Technical Data
6. Technical data Order Number 43251081 Cooling capacity 95F/95F 8,540 BTU Cooling capacity 95F/122F 6,960 BTU Compressor type Rotary piston compressor Refrigerant / GWP R134a / 1430 Refrigerant charge 850 g / 30 oz 29.5 / 6 bar High / low pressure... -
Page 7: Performance Graph
7. Performance graph Version Nr. 1-6 - 02.08.2022 Doc. No. 9943251081 7 / 17... -
Page 8: Mounting
8. Mounting The power supply rating on unit rating plate must comply with mains rating. Always disconnect the power supply before opening the unit. The heat load to be dissipated from enclosure should not exceed specific cooling output of the unit at any condition. -
Page 9: Mounting Principle
9. Mounting Principle Do not use within the first 15 minutes after installation! M6 screws M6 flat washers M6 toothed washers Cabinet Sealing tape Cooling unit Lifting hook Fig. 1 Recessed Fig. 2 External Version Nr. 1-6 - 02.08.2022 Doc. No. 9943251081 9 / 17... -
Page 10: Cut Out Dimensions
10. Cut out dimensions Version Nr. 1-6 - 02.08.2022 Doc. No. 9943251081 10 / 17... -
Page 11: Dimensions (H X W X D)
11. Dimensions (H x W x D) Version Nr. 1-6 - 02.08.2022 Doc. No. 9943251081 11 / 17... -
Page 12: Electrical Connection
To connect the door contact switch remove the bridge and connect door contact switch. The contact must be closed when the cabinet door is closed. SCCR Refer to UL508A Supplement SB and Seifert Systems’ document Short Circuit Current Rating (SCCR) on methods how to modify the available short circuit current within a circuit in the panel. -
Page 13: Controller
13. Controller The unit is equipped with a temperature controller which regulates the function of the air-conditioning cycle. At normal working conditions the display shows the temperature inside the enclosure. The cooling set point for the interior of the enclosure (parameter St / St1) is pre-set at 95°F and can be adjusted between 68°F and 122°F. -
Page 14: Wiring Diagram
14. Wiring diagram Controller EB External Blower CE Condensate evaporator #1 Models with condensate evaporator Internal Blowers PC 9 Pole connector CC 7 core cable Mc Motor compressor AT Auotransformer 400V L1 460V L1 N / L2 Earth 115V L1 Alarm P1 Alarm P2 Door T1... -
Page 15: Taking Into Operation
15. Taking into operation Attention! The unit can be damaged by lack of lubricant. To ensure that the compressor is adequately lubricated the oil, which has been displaced during transport, must be allowed to flow back into it. The unit must therefore be allowed to stand for at least 30 min. -
Page 16: Transport & Storage
The unit contains R134a refrigerant and small quantities of lubricating oil. Replacement, repairs and final disposal must be done according to the regulations of each country for these substances. 18. Transport & Storage Malfunction due to transport damage On delivery the carton box containing the unit must be examined for signs of transport damage. Any transport damage to the carton box could indicate that the unit itself has been damaged in transit which in the worst case could mean that the unit will not function. -
Page 17: Parts Supplied / Spare Parts / Accessories
Door contact switch 3100001 Seifert Systems GmbH Seifert Systems Ltd. Seifert Systems AG Seifert Systems GmbH Seifert Systems Ltd. Seifert Systems Inc. Seifert Systems Pty Ltd. Albert-Einstein-Str. 3 HF09/10 Wilerstrasse 16 Bärnthal 1 Rep. Office 75 Circuit Drive 105 Lewis Road...
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