LiftMaster 850LMC Bedienungsanleitung

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APPLICATION

The antenna isolation kit protects gate operator components from

possible damage caused by certain wiring configurations. The

installation of some accessories require one of the outputs from

the transformer be shunted to the chassis ground which may blow

the transformer fuse or damage the pre-installed universal

receiver. LiftMaster® does NOT recommend connecting the

transformer outputs to the chassis ground, however some third

party accessories require one of the transformer outputs to be

shunted to the chassis ground.

The isolation kit is for use with gate operators models: SL575,

SL585, SL595, HS670, SW420, SW279, and SW490.

CARTON INVENTORY

Nylon Flat Washer. . . . . . . . . . . . . . . . . . . . . . . . . . . . (216A0253)

Nylon Shoulder Washer . . . . . . . . . . . . . . . . . . . . . . . (184A0182)

Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .(35-310-032)

Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (35-310-032-1)

TOOLS NEEDED

• Pliers and wrenches

• Screwdrivers

• Diagonal wire cutters

• Wire strippers

• Drill

• 1/2" drill bit

• Digital voltmeter

DETERMINE IF THE ISOLATION KIT IS NEEDED

To determine if the isolation kit is needed for your installation:

1. Disconnect power to the operator.

2. Disconnect the universal receiver (model 850LM) from the

operator. Location varies depending on the operator, refer to

the owner’s manual.

3. Connect all other accessories according to the instructions

that came with them.

4. Restore power to the operator.

5. Configure a digital voltmeter to measure AC voltage. Make 3

voltage measurements between the following points: R1-R2,

R1-chassis groundR2-chassis ground, and . Location varies

depending on the operator, refer to the owner’s manual.

If there is no voltage between R1-R2, check to see if the

transformer fuse is blown. If the fuse is blown, replace with

the appropriate fuse included in the kit and measure voltage

again.

6. Refer to the table and follow the instructions indicated by

your set of voltage measurements.

To reduce the risk of SERIOUS INJURY or DEATH:

• Disconnect electric power at the fuse box BEFORE

proceeding.

• ALL electrical connections MUST be made by a qualified

individual.

• Upon completion of kit installation, the area MUST be

cleared and secured. At that time the unit may be returned

to service.

MEASUREMENT POINTSVOLTAGEINSTRUCTIONS

R1-R224 VACNeither of the

transformer outputs are

grounded.

The isolation kit is NOT

needed.

R1-chassis groundAprox.

14 VAC

R2-chassis groundAprox.

14 VAC

R1-R224 VACR1 is shunted to ground.

Proceed to TEST THE

UNIVERSAL RECEIVER

FOR DAMAGE.

R1-chassis ground0 VAC

R2-chassis ground24 VAC

R1-R224 VACR2 is shunted to ground.

Proceed to TEST THE

UNIVERSAL RECEIVER

FOR DAMAGE.

R1-chassis ground24 VAC

R2-chassis ground0 VAC

Antenna Isolation Kit

K001A3200-2

WARNING: This product can expose you to chemicals

including lead, which are known to the State of California to

cause cancer or birth defects or other reproductive harm.

For more information go to www.P65Warnings.ca.gov

Produktspezifikationen