Seifert 87121082USL Manual Download

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Version No. 1-8 - 23.02.2022

Doc. No. 9987121082USL

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Table of Content 87121082USL

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2. Legal regulations

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3. Safety instructions

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4. Settings

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5. Functional principle

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6. Technical data

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7. Mounting

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8. Condensate management

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9. Mounting Principle

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10. Electrical Connection

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11. Controller

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12. Wiring Diagram

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13. Taking into Operation

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14. Trouble Shooting

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15. Maintenance & Cleaning

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16. Transport & Storage

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17. Parts supplied / Spare parts / Accessories

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Summary of Contents for 87121082USL

Page 1: ...ons 4 4 Settings 5 5 Functional principle 6 6 Technical data 7 7 Mounting 8 8 Condensate management 9 9 Mounting Principle 10 10 Electrical Connection 11 11 Controller 13 12 Wiring Diagram 17 13 Taking into Operation 18 14 Trouble Shooting 18 15 Maintenance Cleaning 19 16 Transport Storage 20 17 Parts supplied Spare parts Accessories 21 ...

Page 2: ... dissipation of heat from control cabinets and enclosures stationary not moving in order to protect temperature sensitive components in an industrial environment To meet the conditions of use all the information and instructions in the instruction manual must be adhered to General danger Indicates compulsory safety regulations which are not covered by a speciﬁc pictogram such as one of the followi...

Page 3: ...d units based on the information diagrams or descriptions contained in this manual No liability can be accepted for damage and production caused by 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...

Page 4: ...ty regulations One can ﬁnd dangerous voltages above 50 V AC or above 100 V DC Behind the control cabinet doors On the power supply in the unit housing The unit has to be operated according to the type plate and the wiring diagram and must be protected externally from overloading and electrical faults via suitable protective devices Danger through incorrect work on the unit The unit can only be ins...

Page 5: ...r does not come into contact with the ambient air which may well be dirty or polluted Enclosure cooling units can dissipate large quantities of heat from sealed enclosures such as electrical enclosures into the ambient air and at the same time reduce the cabinet internal temperature to below that of the ambient air The unit can function without problems in extreme ambient conditions e g dusty and ...

Page 6: ...ant thus taking it to high pressure and high temperature and pushes it through the condenser where it is cooled by ambient air thus passing from the gas to the liquid state At the liquid state it then passes through the capillary pipe being a much lower pressure the refrigerant arrives to the evaporator where it absorbs the necessary heat to change from liquid to gas state The gas is then drawn ba...

Page 7: ...00 470 m h Mounting Wall mounted Housing Material Stainless steel AISI 304 V2A Dimensions A x B x C D E 585 x 305 x 305 mm Weight 34 5 kg Cut out dimensions 345 x 235 mm Voltage Frequency 120 V 50 60 Hz UL Voltage Frequency 120 V 60 Hz Current L35L35 6 5 A 50 Hz 7 1 A 60 Hz Starting current 30 A Max current 9 2 A Nominal power L35L35 700 W 50 Hz 800 W 60 Hz Max power 1 05 kW Fuse 15 A T Max circui...

Page 8: ...cut packaging opening facing up STEP 2 Pull oﬀ the packaging opening STEP 3 Hang the transport loop of the unit in the transport hook and lift it slightly STEP 4 Pull oﬀ the packaging and slide out the tray with installation material and the short version of the operating manual STEP 5 Pull oﬀ the remaining packaging STEP 6 The cooling unit can now be attached to the enclosure ...

Page 9: ... the holes and make the required cuts on the enclosure This template may have been aﬀected by storage conditions please check this template by verifying values of the largest dimensions before drilling Fit the sealing strip on the cooling unit on the side connected to the enclosure and follow the installation diagram This AC unit can only be mounted to a suitably Type rated enclosure to maintain i...

Page 10: ...within the ﬁrst 15 minutes after installation Use only the supplied mounting hardware Tighten Screws to 4 5 Nm Ensure the mounting surface does not warp after assembly and reinforce it if necessary 1 M6 bolts 2 M6 toothed washers 3 M6 Flat washers 4 Enclosure 5 Mounting gasket 6 Cooling unit ...

Page 11: ...f closed Door contact terminals bridged or NC door switch connected contact must be closed when cabinet door is closed c68 1 ON if open Remove bridge or NO door switch connected contact must be open when cabinet door is closed Alarm Contacts Alarm contacts rated according to EN60730 1 8 4 A N O 6 4 A N C 2 2 A N O N C 250Vac 100000 cycles UL 873 8A resistive 2FLA 12LRA pilot duty C300 250Vac 30000...

Page 12: ... 02 2022 Doc No 9987121082USL 12 21 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: ...gress 2 Alarm relay active 3 Heater relay active 4 Ambient blower relay active Alarm Flashes when alarms are active Heating mode Signals operation of unit in heating mode Cooling mode Signals operation of unit in cooling mode TEST Test mode in progress Activated only by manual procedure Programming The operating parameters can be modiﬁed using the front keypad Access diﬀers depending on the type o...

Page 14: ...e C 0 F 1 P25 for low temperature alarm threshold default 10 C 14 F P26 for high temperature alarm threshold default 55 C 131 F c68 for door contact NO NC logic change 0 ON if closed 1 ON if open Controller ﬁrmware rev 1 2 or higher 3 Press SET on the desired parameter to display the current value 4 Use or to reach the desired value 5 Pressing SET temporarily saves the new value and returns to the...

Page 15: ...with an icon ﬂashing triangle alternating with the standard display If more than one error occurs these are shown in sequence on the display Failure Code Description Solution OFF Door open Close the enclosure door and check the door contact switch If no door contact switch is used and c68 0 bridge terminals on power connector Incorrect phase sequence 3 phase units Displayed on power up Check phase...

Page 16: ...button for at least 5 seconds When pressing PRG for 3 seconds the ﬁrmware revision code is displayed for 2 seconds When cleaning the controller panel do not use ethanol hydrocarbons ammonia or their by products Use neutral detergents and water In order to protect the unit s components minimum relay output on 3 or 7 minutes and oﬀ 4 minutes times and minimum time 7 or 11 minutes between activation ...

Page 17: ...Version No 1 8 23 02 2022 Doc No 9987121082USL 17 21 12 Wiring Diagram Power connector 1 L1 2 3 N 4 PE Signal connector 1 Alarm NC 2 Alarm COM 3 Alarm NO 4 Door contact 5 Door contact ...

Page 18: ...essor don t work Enclosure temperature is below setting temperature St Verify values of parameter St Door switch contact is open Verify door switch Controller doesn t work Replace controller Internal fan works external fan and compressor don t work Display shows alternating OFF and temperature The sequence of the phases inside the power supply connector is incorrect Change phases inside power supp...

Page 19: ...d be replaced immediately Do not use a steam jet or high pressure to clean the ﬁlter mats Do not wring out the ﬁlter mats If the ambient air is extremely oily we recommend the use of metal ﬁlters see accessories They can be cleaned with standard cleaning agents and reused In addition the unit should have regular functional tests approx every 2 000 hours depending on the grade of ambient pollution ...

Page 20: ...ons temperature range 40 C to 70 C relative humidity at 25 C max 95 the cooling unit should always be stored according to the installation position Returning the unit To avoid transport damage the unit should be returned in the original packing or in a packing case and must be strapped to a pallet If the unit cannot be returned in the original packing please ensure that A space of at least 30 mm m...

Page 21: ...Version No 1 8 23 02 2022 Doc No 9987121082USL 21 21 17 Parts supplied Spare parts Accessories 75 Circuit Drive North Kingstown RI 02852 United States Tel 401 294 6960 ...

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