Seifert 87120584USL User manual
Version Nr. 1-12 - 07.08.2023 Doc. No. 9987120584USL 1 / 22
Table of Content 87120584USL
1. User manual 2 ..................................................................................................................................
2. Legal regulations 2 .........................................................................................................................
3. Safety instructions 3 ......................................................................................................................
4. Settings 4 .........................................................................................................................................
5. Functional principle 5 .....................................................................................................................
6. Technical data 6 ..............................................................................................................................
7. Performance graph 7 ......................................................................................................................
8. Condensate management 8 ...........................................................................................................
9. Mounting Principle 9 .......................................................................................................................
10. Cut out dimensions 10 ..................................................................................................................
11. Dimensions (H x W x D) 11 ..........................................................................................................
12. Electrical connection 12 ...............................................................................................................
13. Controller 14 ..................................................................................................................................
14. Wiring diagram 17 .........................................................................................................................
15. Taking into operation 19 ..............................................................................................................
16. Trouble shooting 19 ......................................................................................................................
17. Maintenance & Cleaning 20 .........................................................................................................
18. Transport & Storage 21 ................................................................................................................
19. Parts supplied / Spare parts / Accessories 22 ..........................................................................
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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.
PLEASE ENSURE TO USE THE RIGHT VERSION OF THE INSTRUCTION MANUAL SUITABLE FOR YOUR
UNIT.
Intended use
The unit is to be used exclusively for the dissipation of heat from control cabinets and enclosures in order to
protect temperature sensitive components in an industrial enviorment. 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 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 possible damage to the unit.
Instruction
Indicates possible danger to the environment.
2. Legal regulations
Liability
The information, data and instructions contained in this instruction manual are current at the time of going to
press. We reserve the right to make technical changes to the unit in the course of its development. Therefore,
no claims can be accepted for previously delivered units based on the information, diagrams or descriptions
contained in this manual. No liability can be accepted for damage and production caused by:
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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. Claims for damages on any grounds are excluded.
3. Safety instructions
Upon delivery the unit is already meeting current technical standards and can therefore be safely taken into
operation. Only authorised personnel is allowed to work on the unit. Unauthorised personnel must be prohibited
from working on the unit. Operating personnel must inform their superiors immediately of any malfunction of
the unit.
Please note that before starting to work on or with the unit, a procedure must be carried out inside the cabinet
on which the unit is to be mounted.
Before commencing work inside the cabinet, the control cabinet manufacturer's instruction must be 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 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 installed and maintained by technical competent and qualified personnel,
using only supplied material according to the supplied instructions.
Danger from electrical voltage
Only specialised personnel are allowed to maintain and clean the unit. The personnel must
ensure that for the duration of the maintenance and cleaning, the unit is disconnected from
the electrical supply.
Attention
Damage to the unit through the use of inappropriate cleaning materials. Please do not use
aggressive cleaning material.
Instruction
Damage to the environment through unauthorised disposal. All spare parts and associated
material must be disposed according to the environmental laws.
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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.
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 oily air).
For the cooling capacities, operating temperatures and environmental ratings please refer to the type plate
data.
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5. Functional principle
The cooling unit for enclosures works on the basis of a refrigeration circuit consisting of four main
components: compressor, evaporator, condenser and expansion device.
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). The compressor
compresses the refrigerant (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 back into the
compressor completing the cycle.
1 Air intake cabinet side 6 Air intake ambient side
2 Radial fan cabinet side 7 Air intake ambient side
3 Evaporator 8 Condenser
4 Air outlet cabinet side 9 Air outlet ambient side
5 Compressor 10 Filter dryer
11 Expansion device
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6. Technical data
Order Number 87120584USL
Cooling capacity 95F/95F 1.12 kW @ 50 Hz
1.20 kW @ 60 Hz
Cooling capacity 95F/122F 800 W @ 50 Hz
840 W @ 60 Hz
Enclosure heater 400 W
Compressor type Reciprocating compressor
Refrigerant / GWP R 134a / 1430
Refrigerant charge 210 g / 7.5 oz
High / low pressure 30 / 6 bar
435 / 88 psi
Operating temperature range -40 °C - 60 °C
UL temperature range -40 °C - 60 °C
Air volume flow (system / unimpeded)
Ambient air circuit: 280 / 550 m³/h
Cabinet air circuit: 300 / 470 m³/h
Mounting Wall mounted
Housing Material Stainless steel AISI 316 (V4A)
Dimension H x W x D 23 x 12 x 12 inch
Weight 68.5 lbs
Cut out dimensions 13.6 x 9.3 inch
Voltage / Frequency 230 V ~ 50/60 Hz
UL Voltage / Frequency 230 V ~ 60 Hz
Current 95F95F 3.2 A @ 50 Hz
3.6 A @ 60 Hz
Starting current 15 A
Max. current 4.6 A
Nominal power 95F95F 700 W @ 50 Hz
800 W @ 60 Hz
Max. power 1.05 kW
Fuse 15 A (T)
Max circuit ampacity 15 A
Short-circuit current rating 5 kA
Rated current compressor 2.5 A
Full load current fans 0.73 A
Connection
5 pole terminal block for signals
4 pole terminal block for power
3 pole terminal block for RS 485 MODBUS
Ingress protection IP 56 / Type 12, 3, 3R, 4, 4X
Approvals CE, UL(ACVS), cULus
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7. Performance graph
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8. Condensate management
Durch hohe Luftfeuchtigkeit und niedrigen Temperaturen im Schaltschrank kann es zu Kondensatbildung am
Verdampfer kommen. Kondensat welches in den Schaltschrank zurückfließt, kann empfindliche
Steuerungselektronik beschädigen. Die integrierte Kondensatverdunstung des Kühlgerätes gibt das Kondensat
an die Umgebung ab. Bei zu großer Kondensatbildung kann zusätzliches Kondensat in eine Überlaufwanne
tropfen welches dann umgebungsseitig abläuft.
Um die Entstehung von übermässigen Kondensat zu verhindern sollten Sie trotzdem
in regelmäßigen Abständen die Dichtungen überprüfen.
den Einbau eines Türkontaktschalters (Bestell Nr. 3100001) erwägen. So kann die Kondensatbildung bei
offener Schaltschranktüre verhindert werden.
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9. Mounting Principle
NOTES:
Do not use 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
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10. Cut out dimensions
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