LiftMaster 850LMC Manual

LiftMaster Ikke kategoriseret 850LMC

Læs gratis den danske manual til LiftMaster 850LMC (8 sider) i kategorien Ikke kategoriseret. Denne vejledning er vurderet som hjælpsom af 24 personer og har en gennemsnitlig bedømmelse på 4.5 stjerner ud af 12.5 anmeldelser. Har du et spørgsmål om LiftMaster 850LMC, eller vil du spørge andre brugere om produktet?

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Side 1/8

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 ground R2-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 POINTS VOLTAGE INSTRUCTIONS

R1-R2 24 VAC Neither of the

transformer outputs are

grounded.

The isolation kit is NOT

needed.

R1-chassis ground Aprox.

14 VAC

R2-chassis ground Aprox.

14 VAC

R1-R2 24 VAC R1 is shunted to ground.

Proceed to TEST THE

UNIVERSAL RECEIVER

FOR DAMAGE.

R1-chassis ground 0 VAC

R2-chassis ground 24 VAC

R1-R2 24 VAC R2 is shunted to ground.

Proceed to TEST THE

UNIVERSAL RECEIVER

FOR DAMAGE.

R1-chassis ground 24 VAC

R2-chassis ground 0 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

TEST THE UNIVERSAL RECEIVER FOR DAMAGE

You may need to replace the pre-installed universal receiver

(model 850LM). To test the universal receiver for damage:

1. Disconnect power to the operator.

2. Disconnect the universal receiver from the operator.

3. Configure a digital voltmeter to measure resistance.

4. Connect the negative or black lead of the voltmeter to the “F”

connector used to ground the universal receiver antenna.

5. Connect the positive or red lead of the voltmeter to:

a. The + power input of the universal receiver. If the meter

reads (0Ω), there is a short indicating the universal receiver

is damaged. Replace the universal receiver.

b. The - power input of the universal receiver. If the meter

reads (0Ω), there is a short indicating the universal receiver

is damaged. Replace the universal receiver.

NOTE: Don’t confuse 0Ω with ∞Ω.

6. If the voltmeter does not indicate a short, the universal

receiver can be used.

INSTALL THE ISOLATION KIT

To install the isolation kit:

1. Disconnect power to the operator.

2. Remove all accessories from the operator.

3. Locate the chassis-mounted “F” connector (where the coax

antenna passes through the operator chassis). Location

varies depending on the operator, refer to the owner’s

manual.

4. Disconnect the coax cables from both sides of the “F”

connector.

5. Remove the “F” connector and the mounting hardware. Set

aside for reinstallation.

6. Drill out the hole using a 1/2" drill bit.

7. Reinstall the “F” connector to the chassis. Insert the isolation

washers between the operator chassis and the other

hardware. The shoulder washer should go on the inside of the

operator. The flat washer should go on the outside of the

operator. See illustration for assembly order.

8. Reconnect the coax cables to the “F” connector.

9. Connect the antenna ground to the chassis.

10. Connect all other accessories according to the instructions

that came with them.

11. Restore power and test the operator.

Chassis

Nylon ﬂat washer

“F” connector

To antenna

Nylon

shoulder

washer

(+) power

input

(-) power

input

Produkt Specifikationer

Mærke:	LiftMaster
Kategori:	Ikke kategoriseret
Model:	850LMC

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