LS-T3 datasheet(39/64 Pages) IDEC

39 / 64 page

Safety Precautions

• Turn off the power to the HW series control units before

starting installation, removal, wiring, maintenance, and

inspection of the products. Failure to turn power off may

cause electrical shocks or fire hazard.

• To avoid a burn on your hand, use the lamp holder tool

when replacing lamps.

• For wiring, use wires of a proper size to meet the volt-

age and current requirements. Tighten the M3.5 terminal

screws to a tightening torque of 1.0 to 1.3 N·m. Failure to

tighten terminal screws may cause overheat and fire.

Instructions

Panel Mounting

Remove the contact block from the operator (for transformer

pilot lights, remove the transformer from the illumination

unit). Remove the locking ring from the operator. Insert the

operator into the panel cut-out from the front, tighten the

locking ring from the back, then install the contact block to

the operator.

Removing and Installing the Contact Block

1. To remove the operator from the contact block, turn the

locking lever in the direction of the arrow shown below.

Then the operator can be pulled out.

2. To reinstall, place the TOP markings on the operator and

the contact block mounting adapter in the same direction,

and insert the operator into the contact block mounting

adapter. Then turn the locking lever in the opposite direc-

tion.

Notes for Panel Mounting

When mounting the operator onto a panel, use the optional

locking ring wrench (MW9Z-T1) to tighten the locking ring.

Tightening torque must not exceed 2.0 N·m. Do not use

pliers. Excessive tightening will damage the locking ring.

Safety Lever Lock

IDEC strongly recommends using the safety lever lock

(HW9Z-LS, yellow) to prevent heavy vibration or mainte-

nance personnel from unlocking contacts.

1. HW series can be mounted vertically with a minimum

spacing of 50 mm (70 mm for mono-lever switches) but

spacing should be determined to ensure easy operation.

2. Mount the control unit onto the panel, lock the lever, and

strongly push in the safety lever lock to install.

3. When the spacing is narrower than the recommended

value, with the lever unlocked, mount the safety lever lock

and insert the contact unit to the operator. Then, lock the

lever and strongly push in the safety lever lock to install.

4. To remove the safety lever lock, insert a flat screwdriver

into the safety lever lock and push upwards.

HW Series Emergency Stop Switches ø22

Remove

Screwdriver

Safety Lever Lock

Operator

Panel

Contact Block

Mounting Adapter

Lock Lever

LOCK

Safety Lever Lock

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