Seifert 874020201USL Manual Download Page 1

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Version Nr. 1-21 - 25.07.2022

Doc. No. 99874020201USL

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Table of Content 874020201USL

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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. Performance graph

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8. Mounting

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9. Condensate management

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10. Mounting Principle

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11. Cut out dimensions

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12. Dimensions (H x W x D)

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13. Electrical connection

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14. Controller

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15. Wiring diagram

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16. Taking into operation

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17. Trouble shooting

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18. Maintenance & Cleaning

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19. Transport & Storage

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20. Parts supplied / Spare parts / Accessories

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Summary of Contents for 874020201USL

Page 1: ...ciple 5 6 Technical data 6 7 Performance graph 7 8 Mounting 8 9 Condensate management 9 10 Mounting Principle 10 11 Cut out dimensions 11 12 Dimensions H x W x D 12 13 Electrical connection 13 14 Controller 15 15 Wiring diagram 19 16 Taking into operation 20 17 Trouble shooting 20 18 Maintenance Cleaning 21 19 Transport Storage 22 20 Parts supplied Spare parts Accessories 23 ...

Page 2: ...he 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 following High electric voltage Indicates electric shock danger Important safety instruction Indicates instructions for safe maintenance and operation of the unit Attention Indicates possible burns from hot components Attention Indicates po...

Page 3: ...read 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 safety 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 ...

Page 4: ...y 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 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...

Page 5: ...rant 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 b...

Page 6: ... 520 880 cfm Mounting Wall mounted Housing Material Mild steel powder coated Dimension H x W x D 40 9 x 17 9 x 14 6 inch Weight 144 lbs Voltage Frequency 380 415 V 50 Hz 3 400 460 V 60 Hz 3 UL Voltage Frequency 460 V 60Hz 3 Current 95F95F 3 6 A 50 Hz 4 A 60 Hz Starting current 19 A Max current 4 8 A Nominal power 95F95F 1 8 kW 50 Hz 2 4 kW 60 Hz Max power 3 2 kW Fuse 15 A T Max circuit ampacity 15...

Page 7: ...Version Nr 1 21 25 07 2022 Doc No 99874020201USL 7 23 7 Performance graph ...

Page 8: ...re 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: ...ed 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 it s Type rating The Type and IP rating of the enclosure should be the same or higher tha...

Page 10: ...e 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: ...Version Nr 1 21 25 07 2022 Doc No 99874020201USL 11 23 11 Cut out dimensions ...

Page 12: ...Version Nr 1 21 25 07 2022 Doc No 99874020201USL 12 23 12 Dimensions H x W x D ...

Page 13: ...N 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 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 30...

Page 14: ... 2022 Doc No 99874020201USL 14 23 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 15: ...ogress 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 ...

Page 16: ...re 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 th...

Page 17: ... 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 phas...

Page 18: ... 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 19: ...Version Nr 1 21 25 07 2022 Doc No 99874020201USL 19 23 15 Wiring diagram Power connector 1 L1 2 L2 3 L3 4 PE Signal connector 1 Alarm NC 2 Alarm COM 3 Alarm NO 4 Door contact 5 Door contact ...

Page 20: ...ressor 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 sup...

Page 21: ...ld 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 22: ...ns temperature range 40 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 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 m...

Page 23: ...on manual 1 CE Declaration 1 Mounting template 1 M6 16 bolts 12 A6 4 toothed washers 12 A6 4 washers 12 M4 12 bolt 1 5 pole terminal block 1 Cable gland M16 1 5 1 Lock nut M16 1 5 1 Cable gland M20 1 5 1 Lock nut M20 1 5 1 Supply plate 1 Seifert Systems Inc 75 Circuit Drive North Kingstown RI 02852 United States Tel 401 294 6960 ...

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