Seifert 42681001 User Manual Download

Page: 12 / 18

Version No. 1-4 - 28.04.2021

Doc. No. 9942681001

12 / 18

11. Controller Layout Description

C1,2,3

Fan capacitors

Connection terminals

Microcontroller

Alarm

Potentiometer alarm temperature

Temp

Potentiometer cabinet temperature

Transformer

Test-button

Summary of Contents for 42681001

Page 1: ...unctional Principle 4 6 Technical Data 5 7 Mounting 6 8 Condensate management 8 9 Mounting Principle 9 10 Electrical Connection 10 11 Controller Layout Description 12 12 Wiring Diagram 13 13 Taking in...

Page 2: ...ons in the 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...

Page 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 saf...

Page 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 compress...

Page 5: ...rature Range 10 C 50 C Air Flow Volume System Unimpeded Ambient air circuit 200 450 m h Cabinet air circuit 125 250 m h Mounting Wall mounted Recessed Housing Material Mild steel powder coated Dimensi...

Page 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 fr...

Page 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...

Page 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 b...

Page 9: ...8 04 2021 Doc No 9942681001 9 18 9 Mounting Principle Do not use within the rst 15 minutes after installation 1 Mounting gasket 2 Mounting clip 3 M6 slotted set screw 4 Washer 5 Lock nut Fig 1 Recesse...

Page 10: ...s 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...

Page 11: ...ct 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 SC...

Page 12: ...Doc No 9942681001 12 18 11 Controller Layout Description C1 2 3 Fan capacitors C Connection terminals M Microcontroller Alarm Potentiometer alarm temperature Temp Potentiometer cabinet temperature T T...

Page 13: ...re potentiometer 1 L1 Live 120 V 2 N Neutral PE Earth 4 T1 Door contact bridged with T2 5 T2 Door contact bridged with T1 Normal with power ON Alarm with power ON 6 P1 Alarm contact 7 P2 Alarm contact...

Page 14: ...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 pr...

Page 15: ...Install the unit at a di erent 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 o...

Page 16: ...ction The connections 1 2 and 3 4 are not low voltage 50V Regularly check the condenser pro le for dirt tests approx every 2 000 hours depending on the grade of ambient pollution Should the condenser...

Page 17: ...fan xing 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 17 Transport Storage Malfunction due t...

Page 18: ...ystems Ltd Seifert Systems Inc Seifert Systems Pty Ltd Albert Einstein Str 3 HF09 10 Wilerstrasse 16 B rnthal 1 Rep O ce 75 Circuit Drive 105 Lewis Road Hal Far Industrial Estate North Kingstown Wanti...