Harrington Hoists and Cranes NER2 Smart Limits Supplement - Manual (Page 2)

IMPORTANT INFORMATION ON HOW TO USE THIS MANUAL
This OWNER’S MANUAL SUPPLEMENT is intended for use in combination with the “Owner’s Manual for
Electric Chain Hoist ER2 and NER2 Series 1/8 through 5 Ton Capacity”. Refer to the Table of Contents below to
determine the location(s) of information pertaining to your hoist. References to the “Owner’s Manual for Electric Chain
Hoist ER2 and NER2 Series 1/8 through 5 Ton Capacity” will be designated by the use of the acronym “ER2OM”.
Table of Contents
Section Page Number
1.0 Important Information and Warnings ……………………………………………………… 4 and ER2OM
1.1 Terms and Summary ER2OM
1.2 Warning Tags and Labels 4
2.0 Technical Information……………………………………………………………….………….................... 5
2.1 Specifications 5
2.2 Dimensions 5
3.0 Preoperational Procedures …………………………………………………………..…...... 6 and ER2OM
3.1 Gearbox ER2OM
3.2 Chain ER2OM
3.3 Mounting Location ER2OM
3.4 Mounting the Hoist ER2OM
3.5 Electrical Connections ER2OM
3.6 VFD Setup (Dual Speed Only) ER2OM
3.7 Preoperational Checks and Trial Operation ER2OM
3.8 Activation 6
4.0 Operation …………………………………………………………………………………... 7 and ER2OM
4.1 Introduction ER2OM
4.2 Shall’s and Shall Not’s for Operation ER2OM
4.3 Hoist Controls ER2OM
4.4 Setting and Canceling the Smart Limit 7
4.5 Calibration of the Smart Limit 7
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