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Version No. 1-12 - 24.01.2022

Doc. No. 99872500201USL

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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.
 

Summary of Contents for 872500201USL

Page 1: ...ions 4 4 Settings 5 5 Functional principle 6 6 Technical data 7 7 Mounting 8 8 Condensate management 9 9 Mounting Principle 10 10 Electrical Connection 11 11 Controller 13 12 Wiring Diagram 17 13 Taki...

Page 2: ...dissipation of heat from control cabinets and enclosures stationary not moving in order to protect temperature sensitive components in an industrial environment To meet the conditions of use all the...

Page 3: ...d units based on the information diagrams or descriptions contained in this manual No liability can be accepted for damage and production caused by Disregarding the instruction manual Operating error...

Page 4: ...ety regulations One can nd 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...

Page 5: ...r 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 enclosure...

Page 6: ...ant 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...

Page 7: ...880 m h Schrankkreislauf 610 880 m h Mounting Wall mounted Housing Material Mild steel powder coated Dimensions A x B x C D E 890 x 395 x 305 mm Weight 47 kg Voltage Frequency 230 V 50 60 Hz UL Voltag...

Page 8: ...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 9: ...the holes and make the required cuts on the enclosure This template may have been a ected by storage conditions please check this template by verifying values of the largest dimensions before drillin...

Page 10: ...within 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...

Page 11: ...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 12: ...2022 Doc No 99872500201USL 12 21 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 13: ...gress 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 operatio...

Page 14: ...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 Con...

Page 15: ...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 e...

Page 16: ...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 b...

Page 17: ...Version No 1 12 24 01 2022 Doc No 99872500201USL 17 21 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 18: ...ssor 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 f...

Page 19: ...ld 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 ac...

Page 20: ...ons temperature range 40 C to 70 C relative humidity at 25 C max 95 the cooling unit should always be stored according to the installation position Returning the unit To avoid transport damage the uni...

Page 21: ...Version No 1 12 24 01 2022 Doc No 99872500201USL 21 21 17 Parts supplied Spare parts Accessories 75 Circuit Drive North Kingstown RI 02852 United States Tel 401 294 6960...

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