Chamberlain LM21XP Manuel d'utilisateur télécharger pdf (Page 5)

24Vdc from an Approved UL 1481

Regulated Power Supply

with Battery Backup

–

WIRING

WIRING INSTRUCTIONS

Verify wiring configuration with that recommended by door

manufacturer for use of this product with specific door and

accessories being utilized. 18-gauge wire is recommended.

1. Turn off power supply sources for the release device as well as

the door operator, if applicable, before beginning.

2. Verify voltage rating of release device to power source being

utilized. Voltage is indicated on the side of the unit. Verify that

power is disconnected before proceeding.

3. Connect 24Vdc power to terminal board positions 1 and 2

(Figure 2). Observe proper polarity. 24Vdc power input from an

approved UL 1481 regulated power supply with battery backup.

To reduce the risk of SEVERE INJURY or DEATH:

• ALL electrical connections MUST be made by a qualified

individual.

• Disconnect power at the fuse box BEFORE proceeding. Release

device MUST be properly grounded and connected in

accordance with local electrical codes.

• ALL power wiring should be on a dedicated circuit and well

protected. The location of the power disconnect should be

visible and clearly labeled.

• ALL power and control wiring MUST be run in separate

conduit.

• Installation of ALL wiring and connections, including Class 1

and Class 2 circuits, shall be performed in accordance with,

but not limited to, the latest NFPA, UL and N.E.C. standards

and codes. In addition, ALL installations subject to Canadian

standards shall be performed in accordance with the Canadian

Electrical Code, Part I, with respect to wiring material type,

wiring gauge related to power capacity requirements and

circuit length and wiring methods.

WARNING

CAUTION

WARNING

Option

DIP Switch

Mechanical Reset

Plunger

FIGURE 2

FIGURE 1

To prevent DAMAGE to the circuit board, ALL connections from

terminals 3 through 16 MUST be dry contact type.

WARNING

CAUTION

WARNING

1 2 3 4 5 6 7 8 9 10 ... 15 16

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Chamberlain LM21XP Manuel d'utilisateur Page 5

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