Lock Control DH-66 Series Installation And Operation Manual Download Page 4

Step3:Mount the electromagnetic door holder.

Step4:Mount the armature.

Step5:Testing.

Turn on the power to check if the electromagnetic door holder is functioning well.

Troubleshooting

The electromagnetic door holder is unable to hold the armature firmly.

Check power supply or current.
Check if holding force of the door closer is higher than the electromagnetic door holder(holding 

    force of the door closer shall not be higher than 65kg).

Check if the surface area of the armature is well covered and attached  with the surface area of

    electromagnetic door closer to achieve maximum holding.

Both surface areas of the armature and electromagnetic door holder shall be free of dust or dirt in 

    order to achieve maximum holding.

Adjust both positions of the armature and electromagnetic door holder or re-mount them again to

    make sure both positions are fitted well.

Maintenance of the electromagnetic door holder.

Please keep both surface areas of the armature and the electromagnetic door  holder free from

    dust and dirt in order to achieve maximum holding.

Due to some environmental problems(such as mounted at the seaside)may cause the rust of

    metal. Apply some lubricant oil(WD-40)on both surface areas of the armature and the
    electromagnetic door holder to prevent them from rust.

P3

Please refer to the wiring diagram of P2 for wiring. Place the unit in according to the embedded box's
position. Tighten the door holder with screws to complete installation.

Door leaf

Door leaf

Different angles of the armature.

Adjust the angle and then tighter the screw.

Loosen the screw.

Step2:Voltage adjustment.

Please follow P2 to adjust the Voltage (default value as 12V DC)

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