Seifert 87251082USL User Manual Download Page 1

Version Nr. 1-9 - 14.03.2022

Doc. No. 9987251082USL

1 / 20

Table of Content 87251082USL

1. User manual 

2

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2. Legal regulations 

2

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3. Safety instructions 

3

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4. Settings 

4

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5. Functional principle 

5

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6. Technical data 

6

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7. Mounting 

7

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8. Condensate management 

8

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9. Mounting Principle 

9

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10. Electrical connection 

10

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11. Controller 

12

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12. Wiring diagram 

16

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13. Taking into operation 

17

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14. Trouble shooting 

17

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15. Maintenance & Cleaning 

18

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16. Transport & Storage 

19

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17. Parts supplied / Spare parts / Accessories 

19

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Summary of Contents for 87251082USL

Page 1: ...ons 3 4 Settings 4 5 Functional principle 5 6 Technical data 6 7 Mounting 7 8 Condensate management 8 9 Mounting Principle 9 10 Electrical connection 10 11 Controller 12 12 Wiring diagram 16 13 Taking...

Page 2: ...instruction manual must be adhered to General danger Indicates compulsory safety regulations which are not covered by a speci c pictogram such as one of the following High electric voltage Indicates...

Page 3: ...ad with regards to Safety instructions Instructions on taking the cabinet out of operation Instructions on the prevention of unauthorised cabinet reconnection The electric equipment meets the valid sa...

Page 4: ...t air 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 enclo...

Page 5: ...erant 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 th...

Page 6: ...osure 360 520 cfm Mounting Wall mounted Housing Material Stainless steel AISI 304 V2A Dimension H x W x D 35 x 15 6 x 12 inch Weight 104 lbs Voltage Frequency 120 V 50 60 Hz UL Voltage Frequency 120 V...

Page 7: ...e cut packaging opening facing up STEP 2 Pull o the packaging opening STEP 3 Hang the transport loop of the unit in the transport hook and lift it slightly STEP 4 Pull o the packaging and slide out th...

Page 8: ...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 fol...

Page 9: ...ithin the rst 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...

Page 10: ...if 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...

Page 11: ...2022 Doc No 9987251082USL 11 20 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...

Page 12: ...ress 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...

Page 13: ...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 Cont...

Page 14: ...with an icon ashing 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 en...

Page 15: ...button for at least 5 seconds When pressing PRG for 3 seconds the rmware revision code is displayed for 2 seconds When cleaning the controller panel do not use ethanol hydrocarbons ammonia or their by...

Page 16: ...Version Nr 1 9 14 03 2022 Doc No 9987251082USL 16 20 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 17: ...sor 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 fa...

Page 18: ...d be replaced immediately Do not use a steam jet or high pressure to clean the lter mats Do not wring out the lter mats If the ambient air is extremely oily we recommend the use of metal lters see acc...

Page 19: ...F to 158 F relative humidity at 77 F max 95 the air conditioner should always be stored according to the installation position Returning the unit To avoid transport damage the unit should be returned...

Page 20: ...Version Nr 1 9 14 03 2022 Doc No 9987251082USL 20 20 75 Circuit Drive North Kingstown RI 02852 United States Tel 401 294 6960...

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