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INDELAC CONTROLS NEMA 4, Assembly, Installation, Operation & Maintenance Manual

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INDELAC CONTROLS NEMA 4 Assembly, Installation, Operation & Maintenance Manual Download Page 8

Electric Fail-Safe Device Installation, Operation & Maintenance Manual, 3A                  

 

 

 

 

Page 8 

 

 

 

 

30

 

AMP

 

24VDC

 

FAIL-SAFE

 

DEVICE

 

WIRING/CONNECTION

 

DIAGRAM 

 

       

 

 
 

Wiring diagram shows the Actuator wired for FAIL CLOSE – the Fail Terminal #4 is wired to the CLOSE Terminal on the 

Actuator.  When the incoming Mains Power Fails or is shut OFF, Terminal #4 will be energized Negative (-) to drive the 
Actuator to the CLOSE Position.  This Terminal #4 may also be connected to the OPEN Terminal on the Actuator to 
drive the Actuator OPEN when power fails. 

 
 
 

 

Summary of Contents for NEMA 4

Page 1: ...10 30 Amp Units TELEPHONE 1 859 727 7890 TOLL FREE 1 800 662 9424 FAX 1 859 727 4070 SHIPPING ADDRESS 6810 POWERLINE DR FLORENCE KY 41042 For a digital copy of this manual access to training videos access to 3D product renderings or to request additional support VISIT OUR WEBSITE AT WWW INDELAC COM REVISED OCT 2021 ...

Page 2: ... file a claim for damages NOTE ICI S ELECTRIC FAIL SAFE DEVICE MAY BE USED WITH OTHER BRANDS OF ELECTRIC ACTUATORS ACTUATOR TERMINAL CONNECTIONS WILL NOT BE THE SAME CONTACT SALES TO VERFY APPLICATION FIT STORAGE If the Fail Safe Device is scheduled for installation at a later date 1 Store off the floor protect with unsealed cover allowing for side and bottom ventilation In the event that the unit...

Page 3: ...ODUCT DESCRIPTION 4 UNIT SPECIFICATIONS 5 WIRE SIZING AND LENGTHS 5 CUSTOMER ELECTRICAL CONNECTIONS WIRING DIAGRAMS 6 SET UP AND OPERATION 9 BATTERY RUN TIMES 11 MAINTENANCE 11 BATTERY MAINTENANCE LOG 12 FUSES DESCRIPTION 13 SPARE PARTS 14 NEMA 7 ENCLOSURES 15 MANUAL REVISIONS 15 TROUBLESHOOTING 16 ...

Page 4: ...Mains Power back to the actuator and proceed to re charge and maintain the batteries Indelac provides these DC Fail Safe Devices in NEMA 4 NEMA 4X or NEMA 7 enclosures to provide 10 or 30 Amps of output power Each Fail Safe Device is designed to supply the actuator s continuous Full Load Ampere draw to drive the Actuator to the Fail Safe position When selecting the Fail Safe Device to back up your...

Page 5: ... 14 4 16 L x 16 W x 6 D 63 322 30E SS4X 24 30A 720 2 14 4X 16 L x 16 W x 6 D 64 322 30E AL7 24 30A 720 2 14 7 18 L x 18 W x 6 D 335 NEMA 4X Enclosures are Stainless Steel WIRE SIZING AND LENGTHS Indelac recommends the Installer follow the wire gauge chart shown below when connecting the Fail Safe Device to the actuator The Fail Safe Device should be mounted at the shortest distance possible to the...

Page 6: ... small may cause the Fail Safe Device to separate from its mounting and become damaged See the Unit Specifications Section for dimensions and weights NOTE Two 2 conduit openings are supplied in the cabinet housing of the Fail Safe Device One opening is for the incoming DC power wires and the other is for the Outgoing Power wires to the actuator All wires are to be securely tightened into the Custo...

Page 7: ...s the Actuator wired for FAIL CLOSE the Fail Terminal 4 is wired to the CLOSE Terminal on the Actuator When the incoming Mains Power Fails or is shut OFF Terminal 4 will be energized Negative to drive the Actuator to the CLOSE Position This Terminal 4 may also be connected to the OPEN Terminal on the Actuator to drive the Actuator OPEN when power fails ...

Page 8: ...s the Actuator wired for FAIL CLOSE the Fail Terminal 4 is wired to the CLOSE Terminal on the Actuator When the incoming Mains Power Fails or is shut OFF Terminal 4 will be energized Negative to drive the Actuator to the CLOSE Position This Terminal 4 may also be connected to the OPEN Terminal on the Actuator to drive the Actuator OPEN when power fails ...

Page 9: ...p the Fail Safe Device 4 At this time the Fail Safe Device has power to the output terminals and the unit is LIVE CAUTION Depending on the position of the Actuator when the set up was completed it may start to move Battery Connection 5 Apply Incoming Mains Power to the Fail Safe Device and turn ON the front panel Power Switch CAUTION This will apply Mains Power to the Actuator and depending on the...

Page 10: ... the Actuator and the Actuator will drive to that position This power transfer takes only milliseconds and happens automatically without any User interface When the Mains Power returns the Fail Safe Device will automatically switch the Battery power OFF and enable Mains Power back to the Actuator When this happens the Yellow BATTERY Light will turn OFF and the Green POWER Light and Red Switch Ligh...

Page 11: ... times are required contact Indelac Controls for special order Fail Safe Designs MAINTENANCE After proper installation the Fail Safe Device requires no actual maintenance This unit should operate for 4 5 years on the original battery as long as the Mains Power is applied and the power is ON to maintain the internal battery charger However we do recommend a periodic battery check to assure that the...

Page 12: ...ance Manual 3A Page 12 Battery Measurement Test Points The following chart has been provided to log the periodic maintenance battery checks BATTERY MAINTENANCE LOG Date Checked By 24vdc Measurement RED Meter Lead BLACK Meter Lead Measure on DC Volts 22 25vdc ...

Page 13: ...wer and Front Door Power Switch is ON Once the batteries charge measures below 16vdc they may not take a charge due to internal cell damage Even if the batteries do take a charge they may be unreliable and SHOULD be REPLACED OUTPUT FUSE smaller fuse 10A Version When the Green POWER Light on the Front Door of the 10A Fail Safe Device does NOT turn ON when the Mains Power or Battery Power is active ...

Page 14: ...k to see if the Front Door Green Light is ON 5 If the Green Light is still not ON there may be a problem with the Backup Module or Battery and the unit will need to be returned to Indelac for Service SPARE PARTS The Indelac Fail Safe Devices are maintenance free units The only parts that are field replaceable are the internal 12vdc batteries and fuses A list of the batteries and their part numbers...

Page 15: ... removing the cover care must be taken not to scratch scar or deform the flame path of the cover or base of the Fail Safe Device This will negate the NEMA 7 rating of the enclosure 5 When replacing the cover on a Fail Safe Device take care that the gasket is in place to assure the proper clearance after the cover is secured After securing the cover screws check the clearance between the cover and ...

Page 16: ...ly Low Normal Operation Replace Output Fuse see Maintenance for value In FAIL Mode if Battery is Low or Dead Battery may need to be Replaced Actuator does NOT go to FAIL position when Mains Power Fails Battery is Dead or Extremely Low Wiring from Fail Safe FAIL Terminal to Actuator is Loose or became Disconnected Internal Output Fuse is Blown Internal Failure of Backup Module Re charge or Replace ...

Page 17: ...Electric Fail Safe Device Installation Operation Maintenance Manual 3A Page 17 NOTES ...

Page 18: ...Electric Fail Safe Device Installation Operation Maintenance Manual 3A Page 18 ...

Page 19: ...Electric Fail Safe Device Installation Operation Maintenance Manual 3A Page 19 ...

Page 20: ...Electric Fail Safe Device Installation Operation Maintenance Manual 3A Page 20 ...

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