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A272-305 Rev. 0 09/17 Page 2 of 2

 

Connections

!

 DANGER:  Risk of electrical shock, fire, or personal injury

. Proper grounding is required before making any connections. 

See Grounding section above. Never make connections while the transformer is energized.

•  The conduit opening shall be installed only in the designated terminal compartment area. See Figure 1. 

•  Please refer to the wiring diagram on the unit for correct line and tap connections.

•  All input and output field connections must be properly installed per the National Electrical Code (NEC), Canadian Electrical Code 

(CEC), and all local codes as applicable.

•  All field wiring connections shall be made with UL Listed anti-rotational wire connectors suitable for the size and type of wire 

involved.

•  Ensure all connections are tight.

•  When installed in Class 

I

, Division 2, Groups A, B, C, and D locations, the unit must also be installed per NEC Article 500 or CEC 

Section 18 as applicable.

Maintenance

Periodic Inspection

!

 DANGER:  Risk of electrical shock, fire or personal injury

. Always de-energize the transformer before inspection.

 

For clean, dry locations, annual inspections should suffice. When the air is contaminated with dust or chemical fumes, monthly 
inspections may be required. After the first few inspections, set up a schedule based on the existing conditions. During the inspections, 
follow the steps listed below.

•  De-energize the transformer.

•  Remove the enclosure cover(s).

•  Check for loose connections, rust, corrosion, and inspect the overall condition of the transformer.

•  Look for signs of overheating or voltage creepage over insulation surfaces (indicated by tracking or carbonization).

Cleaning

!

 DANGER:  Risk of electrical shock, fire or personal injury

. Always de-energize the transformer before cleaning.

 

•  With a vacuum cleaner, blower, or low-pressure compressed air, clean any accumulated dirt found on the unit.

Technical Support

• 

Phone:

 (800) 377-4384/(847) 268-6651 

• 

E-mail:

 [email protected] 

• 

Web site:

 www.solahd.com

*

Signals Words Defined: DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING indicates a hazardous situation which, if not avoided, could result in death or 

serious injury. CAUTION indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. NOTICE is used to address practices not related to physical injury.

 

While every precaution has been taken to ensure accuracy and completeness in this manual, Appleton Grp LLC d/b/a Appleton Group assumes no responsibility, and disclaims all liability for damages resulting from 
use of this information or for any errors or omissions. Specifications are subject to change without notice. The SolaHD and Emerson logos are registered in the U.S. Patent and Trademark Office. All other product or 
service names are the property of their registered owners. ©2017 Appleton Grp LLC d/b/a Appleton Group. All rights reserved. 

16.50 in. 

(419.1 mm)

3.25 in. (82.6 mm) REF.

WIRING

COMPARTMENT

FIGURE 1

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