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Table of Content 87031082USL
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Version Nr. 1-8 - 07.03.2022
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Doc. No. 9987031082USL
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Summary of Contents for Seifert 87031082USL
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Page 1: Table Of Contents
Table of Content 87031082USL 1. User manual ..........................2. Legal regulations ......................... 3. Safety instructions ........................4. Settings ............................5. Functional principle ........................6. Technical data ..........................7. Mounting ............................8. Condensate management ......................9. Mounting Principle ........................10. Electrical connection ....................... -
Page 2: User Manual
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. -
Page 3: Safety Instructions
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. -
Page 4: Settings
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. -
Page 5: Functional Principle
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). -
Page 6: Technical Data
6. Technical data Order Number 87031082USL 1000 BTU @ 50 Hz Cooling capacity 95F/95F 1020 BTU @ 60 Hz Cooling capacity 95F/122F 631 BTU EER 95F95F 3.3 BTU/Whr Compressor type rotary piston compressor Refrigerant / GWP R 134a / 1430 Refrigerant charge 75 g / 2.6 oz... -
Page 7: Mounting
7. Mounting Unpacking unit: Please follow the below steps to unpack the unit. STEP 1: Stand the air conditioner upright with the pre-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... -
Page 8: Condensate Management
Mounting: The power supply rating on unit rating plate must comply with mains rating. Always disconnect the power supply before opening the unit. The heat load to be dissipated from enclosure should not exceed specific cooling output of the unit at any condition. -
Page 9: Mounting Principle
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. M6 bolts M6 toothed washers M6 Flat washers Enclosure... -
Page 10: Electrical Connection
Fluorescent lamps with electronic controllers or without phase shifting capacitors can be used, depending on the operating limits specified for each type of relay. Refer to UL508A Supplement SB and Seifert Systems’ document Short Circuit Current Rating (SCCR) methods how to modify the available short circuit current within a circuit in the panel. -
Page 11: Controller
11. Controller The display shows the temperature in the range of -50°C to +150°C (-58°F to +302°F). The temperature is displayed with resolution of tenths between -19.9°C and +99.9°C (-3.8°F to +211.8°F). During programming, it shows the codes and values of the parameters. The display also shows icons according to occurring events. Display icons Icon Function Description... - Page 12 Setting heating set point, St2 (only for units supplied with internal heater): 1. Press “SET” twice slowly and display should show St2 and then the pre-set value of St2. (default: +5°C / +41°F) 2. Reach the desired value by using ▲ or ▼. 3.
- Page 13 Alarm Relay Operation Both normally closed (NC) and normally open (NO) alarm contacts are provided. These refer to the alarm state. Under normal conditions, the NC contact is closed and the NO contact is open. When an alarm condition is present or the door contact is open, the NC contact will open and the NO contact will close.
- Page 14 Failure Description Solution Code E07 / E08 Controller error Contact your service partner. Important Notes Whilst programming, if no button is pressed for 10 seconds, the display starts flashing, and after 1 minute returns to the main display without saving changes. To increase scrolling speed, press and hold the ▲...
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Page 15: Wiring Diagram
12. Wiring diagram Power Cable (AWG18) GNYE Signals Cable (AWG20) Alarms (NC) Alarms (COM) Alarm (NO) Door Contact Door Contact Version Nr. 1-8 - 07.03.2022 Doc. No. 9987031082USL 15 / 18... -
Page 16: Taking Into Operation
13. Taking into operation Attention! The unit can be damaged by lack of lubricant. To ensure that the compressor is adequately lubricated the oil, which has been displaced during transport, must be allowed to flow back into it. The unit must therefore be allowed to stand for at least 30 min. -
Page 17: Maintenance & Cleaning
15. Maintenance & Cleaning Always switch power supply off before starting any maintenance on the unit. Wait for 5 minutes for electrical components to discharge. The cooling unit is generally maintenance free and can be operated without filters in most environments. If the ambient air is extremely dusty, we recommend installing filter mats (see accessories). -
Page 18: Transport & Storage
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 damaged in transit which in the worst case could mean that the unit will not function.
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