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Version No. 1-1 - 04.05.2021

Doc. No. 994274002

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6. Technical Data

Order Number

4274002

Cooling Capacity L35L35

1.5 kW @ 50 Hz
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

High / Low Pressure

37 / 9.6 bar
536 / 140 psig

Operating Temperature Range

+10°C - +55°C

Air Flow Volume (System / Unimpeded)

Ambient air circuit: 430 / 1200 m³/h
Cabinet air circuit: 200 / 850 m³/h

Mounting

Wall mounted / Recessed

Housing Material

Stainless steel AISI 304 (V2A)

Dimension A x B x C (D+E)

1,550 x 395 x 145 (25+120) mm

Weight

50 kg

Cut Out Dimension

1,531 x 376 mm

Voltage / Frequency

230 V ~ 50/60 Hz

Current L35L35

4.3 A @ 50 Hz
5.5 A @ 60 Hz

Starting Current

22 A

Max. Current

7 A

Nominal Power L35L35

1.00 kW @ 50 Hz
1.23 kW @ 60 Hz

Max. Power

1.58 kW

Fuse

10 A (T)

SCCR

5 kA

Connection

Connection terminal block

Ingress Protection

IP 54

Approvals

CE, cURus, cULus

Содержание 4274002

Страница 1: ...3 4 Settings 4 5 Functional Principle 4 6 Technical Data 5 7 Mounting 6 8 Condensate management 8 9 Mounting Principle 9 10 Electrical Connection 10 11 Wiring Diagram 12 12 Taking into Operation 13 13 Trouble Shooting 14 14 Maintenance Cleaning 15 15 Maintenance 15 16 Transport Storage 16 17 Parts supplied Spare parts Accessories 17 ...

Страница 2: ...ons 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 Indi...

Страница 3: ...d 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 typ...

Страница 4: ...vironmental ratings please refer to the type plate data 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 ...

Страница 5: ...w Volume System Unimpeded Ambient air circuit 430 1200 m h Cabinet air circuit 200 850 m h Mounting Wall mounted Recessed Housing Material Stainless steel AISI 304 V2A Dimension A x B x C D E 1 550 x 395 x 145 25 120 mm Weight 50 kg Cut Out Dimension 1 531 x 376 mm Voltage Frequency 230 V 50 60 Hz Current L35L35 4 3 A 50 Hz 5 5 A 60 Hz Starting Current 22 A Max Current 7 A Nominal Power L35L35 1 0...

Страница 6: ...irit level that the cabinet is in a horizontal position The max deviation from the vertical or horizontal is 3 degrees Air apertures To provide adequate air circulation and avoid temperature layers from forming ensure that air inlet and air outlet are not partially or completely blocked by obstructions in the cabinet It must also be ensured in accordance with UL that the air outlet is not blowing ...

Страница 7: ... the surface of the cabinet and remove the mounting template Stick the self adhesive unit seals on the outer surface of the cabinet for externally mounting and on the inner surface of the cabinet for half in half out mounting of the unit The self adhesive seals ensure a durable seal between the unit and the cabinet Mounting the unit Only use the supplied material to mount the unit on the cabinet P...

Страница 8: ...The condensation drain pipe should be attached as required e g in conditions of high humidity To install an oel cleaning drain 2 pipe please follow below steps Remove the plastic stopper from in the base of the unit factory setting is locked 1 Dispose the plastic stopper but keep the Slilicon washer 2 Insert the drain connector 3 Lock it clockwise and ﬁx the oel cleaning pipe onto it 4 ...

Страница 9: ...04 05 2021 Doc No 994274002 9 17 9 Mounting Principle Do not use within the ﬁrst 15 minutes after installation 1 Mounting gasket 2 Mounting clip 3 M6 slotted set screw 4 Washer 5 Lock nut Fig 1 Recessed Fig 2 External ...

Страница 10: ...ents indicator lamps switches The load on these contacts is not to exceed 30V DC 4 A or 120 250V AC 4A If wired to external components it must be ensured that the wiring and connections are double insulated and safe against touch and protected from unauthorized and or accidental external contact Ensure that the correct polarity is maintained The fans should have clockwise rotation Fault warning co...

Страница 11: ...minals T1 T2 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 ...

Страница 12: ...Version No 1 1 04 05 2021 Doc No 994274002 12 17 11 Wiring Diagram ...

Страница 13: ...r on the PC board slightly to the right higher or to the left lower Close the unit in the prescribed manner Check that the new adjusted values meet the necessary requirements If necessary repeat the procedure The compressor together with the ambient radial fan are switched ON or OFF depending on the cabinet internal air temperature Here the minimum shut down time corresponds with the start up dela...

Страница 14: ...Install the unit at a diﬀerent place The ambient temperature must be within the stated operating temperature range The control cabinet is not sealed properly The control cabinet needs re sealing Fan or fan capacitor on the cold side are faulty Replace fan and or fan capacitor Too much condensate Cabinet door not closed Ensure that cabinet door is closed properly The cabinet is not sealed properly ...

Страница 15: ...ion The connections 1 2 and 3 4 are not low voltage 50V Regularly check the condenser proﬁle for dirt tests approx every 2 000 hours depending on the grade of ambient pollution Should the condenser need cleaning Disconnect the whole plant from the mains Clean the condenser proﬁle as required by blowing it out with compressed air In cases of extreme pollution a cleaning ﬂuid must be used Danger fro...

Страница 16: ... fan ﬁxing screws Connect the fan cable to the PC board and replace the board if necessary Dispose the old fan according to the environmental laws and regulations 16 Transport Storage Malfunction due to transport damage On delivery the carton box containing the unit must be examined for signs of transport damage Any transport damage to the carton box could indicate that the unit itself has been da...

Страница 17: ...stems 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 Hal Far Industrial Estate North Kingstown Wantirna South 42477 Radevormwald Birzebbuga BBG 3000 4563 Gerlaﬁngen 4901 Ottnang 26100 Cremona RI 02852 3152 Victoria Germany Malta Switzerland Austria Italy USA Australia Tel 49 2195 68994 0 Tel 356 2220...

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