Technical Manual DLM Module This manual should remain with the unit.
Safety Rules THESE INSTRUCTIONS! Read the following information carefully before attempting to install, operate or service this equipment. Also read the instructions and information on tags, decals, and labels that may nSAVE be affixed to the transfer switch. Replace any decal or label that is no longer legible.
Table of Contents • In case of an accident caused by electric shock, immediately shut down the source of electrical power. If this is not possible, attempt to free the victim from the live conductor but AVOID DIRECT CONTACT WITH THE VICTIM. Use a nonconducting implement, such as a dry rope or board, to free the victim from the live conductor. If the victim is unconscious, apply first aid and get immediate medical help. Safety Rules .................................................
General Information 1.1 INTRODUCTION This manual has been prepared especially for the purpose of familiarizing personnel with the design, application, installation, operation and servicing of the applicable equipment. Read the manual carefully and comply with all instructions. This will help to prevent accidents or damage to equipment that might otherwise be caused by carelessness, incorrect application, or improper procedures.
Installation 2.1 INTRODUCTION TO INSTALLATION Installing the DLM includes the following procedures: • Mounting the enclosure. • Connecting line and load power leads. • Connecting relay control leads. 2.2 MOUNTING The DLM enclosure has four (4) ½” knockouts; two (2) on the bottom and one (1) on each side. The knockouts can be removed by hitting them with a chisel near the outer edge of the knockout. Only remove knockouts that will be used. See Figure 2.2.
Operation 3.1 a torque wrench to tighten the conductors, being sure not to over tighten, or damage to nUse the switch base could occur. If not tightened enough, a loose connection would result, causing excess heat which could damage the switch base. Connect power source and load conductors to the terminals as shown in Figure 2.3: 1. Connect LINE power source wires to contactor terminal L1 and L2. 2. Connect LOAD wires to terminals T1, T2. Connect ground wires to the ground stud inside the DLM.
Operation Figure 2.
Exploded Views & Parts Lists 6 DLM Assembly Drawing No.
Exploded Views & Parts Lists DLM Assembly Drawing No. 0H7650A-B ITEM PART NO. 1 2 3 4 5 6 7 8 (1)9 (1)10 (1)11 0H7377 085889 0J0603 0H7645 0H7649 0H7647 0H7646 0H8235 028779 028787 064312 QTY. 1 1 1 4 1 1 2 1 3 3 5 DESCRIPTION Parts List on page 18. ASSY BOTTOM COVER DLM NUT HEX 1/4-20 SS CONTACTOR, 2P 40A 120V COIL SCREW PPPH #10 X 1/4"LG COVER TOP CONTACTOR BOX DLM DECAL DLM MODULE ASSY 0H7650 SCREW PPPH #10 X 5/8"LG DECAL DLM MODULE LUG RNGTNG INS 16-14X1/4X.477 LUG RNGTNG INS 12-10X1/4X.
Notes 8
Notes 9
Part No. 0H9161 Revision B (10/29/10) Printed in U.S.A.
