Siemens 3RE4 Instructions - Page 2

Browse online or download pdf Instructions for Controller Siemens 3RE4. Siemens 3RE4 4 pages.

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Installation

Install in accordance with the National Electrical Code in

the United States, or Canadian Electrical Code in

Canada, and any applicable local codes.

1. If the enclosure has a hinged door, the enclosure may be

fastened directly to a solid mounting surface via the four

mounting feet, which are included. All four mounting feet

must be attached to the enclosure using the supplied

hardware to retain the NEMA rating of the enclosure.

Follow the instructions included with the mounting feet.

If the enclosure has a lift-off cover, the enclosure must be

fastened directly to a solid mounting surface via the

mounting holes in the back of the enclosure.

Mounting hardware is not included and any suitable

hardware may be used.

2. If the NEMA Type 3/3R/4/12 enclosure is to be used as a

Type 3R enclosure, drill a 1/8" – 1/4" diameter drain hole

at the lowest point in the bottom of the enclosure.

3. Turn off and lock out the power that will be supplying the

controller.

4. Install conduit and necessary grounding means and wire

controller in accordance with the wiring diagram included

with the controller. Conduit knockouts are provided on the

enclosures with lift-off covers. For the hinged enclosures,

use UL Listed conduit hubs with the same NEMA Type

rating as the enclosure. Joint compound or equivalent is

recommended on conduit threads to prevent water from

entering the enclosure.

5. Check that all wiring is secure and does not interfere with

proper operation of any device.

6. Check that all wiring connections, including factory

connections are proper and tightened to the proper torque

values.

7. Remove all foreign materials and debris from enclosure.

8. For thermal OLRs, set the MANUAL / AUTO switch and

FLA dial as shown in Figure 3a. For solid-state OLRs, set

the Trip Class dial, MANUAL / AUTO switch and FLA dial

as shown in Figure 3b. For more information, refer to the

OLR instruction sheet. The publication number may be

found on the side of the device.

9. Depress the OLR Reset button to make sure the OLR is

not tripped.

10. Close and fully latch the cover / door before applying

power.

11. If a local selector switch is installed, make sure it is in the

OFF position.

12. Apply power and turn the controller on. The contactor

should energize. If it does not energize, troubleshoot the

controller to locate the issue.

Siemens Industry, Inc. 5300 Triangle Parkway, Norcross, GA 30092

E87010-A0519-T003-A7-3RE4

General Maintenance

Periodically conduct the following inspection and

maintenance tasks.

1. Clean the inside of the enclosure by wiping off

dust and dirt which may have accumulated.

2. Clean weep hole in bottom of NEMA Type 3R

enclosure to insure proper drainage.

3. Check all screws for tightness.

4. Refer to the OLR instruction sheet for

instructions on optional device tests.

Figure 1

(Typical for both thermal and solid-state OLRs)

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