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Table of Content 4274002
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Version No. 1-1 - 04.05.2021
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Doc. No. 994274002
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Summary of Contents for Seifert 4274002
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Page 1: Table Of Contents
Table of Content 4274002 1. User manual ..........................2. Legal Regulations ........................3. Safety Instructions ........................4. Settings ............................5. Functional Principle ........................6. Technical Data ..........................7. Mounting ............................8. Condensate management ......................9. Mounting Principle ........................10. Electrical Connection ....................... -
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, and 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: Technical Data
6. Technical Data Order Number 4274002 1.5 kW @ 50 Hz Cooling Capacity L35L35 1.5 kW @ 60 Hz Cooling Capacity L35L50 1.2 kW Compressor Rotary piston compressor Refrigerant / GWP R134a / 1430 Refrigerant Charge 530 g / 18.7 oz 37 / 9.6 bar... -
Page 6: Mounting
7. Mounting Mounting preparations Several points must be checked before the unit can be mounted. These checks must be made to ensure safety and the trouble-free operation of the unit. These checks must be carried out with absolute thoroughness to ensure that the unit works perfectly. - Page 7 Use of mounting template (not applicable for 19" rack mount units) The supplied mounting template helps to mount the cabinet air conditioner quickly. Please proceed as follows: Take the cabinet out of operation in the prescribed manner and secure it against unauthorized reactivation Fix the mounting template in the required position on the outer surface of the cabinet Drill the holes and cut the apertures in the required positions in the surface of the cabinet and remove...
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Page 8: Condensate Management
8. Condensate management Condensation drain (1) and oel & cleaning drain (2) pipe connection The condensation drain (1) is in the base of the unit. The condensation drain pipe should be attached as required e.g. in conditions of high humidity. To install an oel &... -
Page 9: Mounting Principle
9. Mounting Principle Do not use within the first 15 minutes after installation! Mounting gasket Mounting clip M6 slotted set screw Washer Lock nut Fig. 1 Recessed Fig. 2 External Version No. 1-1 - 04.05.2021 Doc. No. 994274002 9 / 17... -
Page 10: Electrical Connection
10. Electrical Connection High electric voltage present. Installation, maintenance, cleaning and any other work must be carried out by qualified personnel only. The personnel must ensure that for the duration of this work the unit and the cabinet are disconnected from the electrical supply and protected against unauthorised/accidental reconnection. - Page 11 Connect the door contact switch to terminals T1 & T2. 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.
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Page 12: Wiring Diagram
11. Wiring Diagram Version No. 1-1 - 04.05.2021 Doc. No. 994274002 12 / 17... -
Page 13: Taking Into Operation
12. 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. after mounting before being connected to the mains and taken into operation. -
Page 14: Trouble Shooting
13. Trouble Shooting Failure Reason Troubleshooting No power supply Check the electrical connection Unit Wait until the set point is reached. The unit will then Cabinet temperature is lower doesn't start automatically. If the set point of the cabinet than set point start temperature is too high, reduce it accordingly. -
Page 15: Maintenance & Cleaning
14. Maintenance & Cleaning Danger from electrical voltage Maintenance and cleaning must be carried out by specialists (electricians). The personnel must ensure that for the duration of this work the unit and the cabinet are disconnected from the electrical supply and protected against unauthorised reactivation. -
Page 16: Transport & Storage
conditions. Should you still need to change the fan, please take note of the following: Danger from electrical voltage Maintenance work on the unit must be carried out by specialists (qualified electricians). The personnel must ensure that for the duration of the work the unit and the cabinet are disconnected from the electrical supply and protected against unauthorized reconnection. -
Page 17: Parts Supplied / Spare Parts / Accessories
1 x Connector 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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