Linear GRD, GRD-2 User Manual

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GRD

DESCRIPTION

The GRD has a “F” connector for attaching an antenna. The

STEP 1 Open receiver case. To open case,

The GRD is a digital receiver designed for use with automatic

receiver is supplied with a 9-inch local antenna, a three foot

squeeze sides of case and rotate upward.

GRD-2

gate operators or systems where a remote antenna is

75 ohm coaxial cable, and a bulkhead

connector for

mounting the antenna outside the gate operator enclosure.

needed. The GRD-2 will operate two gates, one gate and

an obstacle sensor, or channel one can open the gate and

channel two can close the gate.

RECEIVER

All of the Delta-3 transmitters, including the two and

3-FOOT

DELTA-3

four-channel transmitters, are compatible with the GRD.

CABLE

The Delta-3 radio format provides 256 different digital codes.

GATE

The codes are set using the 8-position coding switches in

CASE SCREWS

RECEIVER

the units. In order to avoid the possibility of duplicating codes

in adjacent systems, factory set codes should not be used.

Installation Instructions

The receivers can operate from 12-30 volts AC or 10.5-30

volts DC and are normally powered from the gate operator.

MOUNTING

The relay contact(s) are rated at 5 amps @ 32 volts AC/DC

HARDWARE

NEC Class 2 circuit.

LOCAL

NUT

ANTENNA

BULKHEAD

WASHER

SQUEEZE BOTH SIDES AT TABS

CONNECTOR

AND TILT UPWARD

(800) 421-1587 • www.linearcorp.com

STEP 2A

GRD & GRD-2 Channel 1 code

STEP 2B

GRD-2 Channel 2 code setting.

STEP 3

Transmitter code setting. Locate

STEP 4 Connect receiver relay output.

setting.

set a code,

select any valid

Select any valid combination of ON and OFF

the coding switch on the transmitter and set the

Connect the appropriate channel wires (Ch. 1 -

combination of ON and OFF positions for the

positions for each of the switch keys numbered

eight keys identical to those on the desired

two gray wires), (Ch. 2 - two yellow wires) to the

switch keys numbered 1- 8. Use a paper clip to

1 - 8. Use a different code combination than that

channel of the receiver. Be sure they match

appropriate activation terminals on the gate

set the eight keys.

used for channel one switch.

exactly. I f

u s i n g a t w o

o r f o u r - c h a n n e l

operator.

SET CODE

transmitter, refer to the coding instructions

GATE OPERATOR

included with the transmitter for proper system

SWITCH KEYS

SET CHANNEL TWO

coding.

MANUAL ACCESS

REQUEST

CODE SWITCH KEYS

CHANNEL ONE

SWITCH KEYS

CHANNEL TWO

REMOVE BATTERY

COMMON

ACCESS DOOR

SWITCH KEYS

SWITCHES IN

CHANNEL

RELAY

TRANSMITTER

ONE

GRAY

3 24 V RADIO POWER

THIS SWITCH

HAS 2, 3 & 6 ON

OBSTACLE INPUT

HAS 2, 4 & 6 ON

CODING

DO NOT USE:

SWITCH

YELLOW

COMMON

DO NOT USE:

THIS SWITCH

ALL ON; ALL OFF;

CHANNEL

ALL ON; ALL OFF;

HAS 2, 3 & 6 ON

TWO

OBSTACLE

ALT ON/OFF, OR OFF/ON

STEP 5

C o n n e c t re c e i ver to power .

STEP 6

Mounting the receiver. U s e the

STEP 7

Connect antenna. C o n n e c t t h e

LINEAR LIMITED WARRANTY

This Linear product is warranted against defects in material and workmanship for twelve

Connect the red power input wire to the 24VDC

screws provided to mount the receiver within the

coaxial cable to the “F” connector on the receiver.

(12) months. The Warranty Expiration Date is labeled on the product. This warranty

radio power and the black wire to the common

operator housing. This provides protection from

Drill a 3/8" hole on the top of the operator housing

extends only to wholesale customers who buy direct from Linear or through Linear’s

normal distribution channels. Linear does not warrant this product to consumers.

terminal on the gate operator. Alternately connect

the elements. Secure case with case screws.

for the bulkhead connector. Insert the connector

Consumers should inquire from their selling dealer as to the nature of the dealer’s

wires to a 12-24 VAC transformer.

and secure it with the nut and lock washer.

warranty, if any. There are no obligations or liabilities on the part of Linear

Corporation for consequential damages arising out of or in connection with use

Connect the cable and antenna to the bulkhead

or performance of this product or other indirect damages with respect to loss of

connector.

property, revenue, or profit, or cost of removal, installation, or reinstallation. All

implied warranties, including implied warranties for merchantability and implied

GATE OPERATOR

warranties for fitness, are valid only until Warranty Expiration Date as labeled on the

product. This Linear Corporation Warranty is in lieu of all other warranties express

or implied.

MANUAL

MOUNT RECEIVER

SLIDE WEATHER

All products returned for warranty service require a Return Product Authorization

ACCESS REQUEST

Number (RPA#). Contact Linear Technical Services at 1-800-421-1587 for an RPA#

INSIDE GATE

RESISTANT CAP

and other important details.

HOUSING

CONNECT COAXIAL

OVER CONNECTION

IMPORTANT !!!

OBSTACLE

CABLE TO "F"

Linear radio controls provide a reliable communications link and fill an important need

BLACK

CONNECTOR

in portable wireless signaling. However, there are some limitations which must be

INSERT BULKHEAD

observed.

COMMON

CONNECTOR THROUGH

For U.S. installations only: The radios are required to comply with FCC Rules and

RELAY

OPERATOR HOUSING

Regulations as Part 15 devices. As

such, they have limited transmitter power and

therefore limited range.

RED

A receiver cannot respond to more than one transmitted signal at a time and may be

24 V RADIO POWER

blocked by radio signals that occur on or near their operating frequencies, regardless of

SECURE CASE

code settings.

SECURE CONNECTOR

CLOSED WITH TWO

Changes or modifications to the device may void FCC compliance.

TO HOUSING USING

Infrequently used radio links should be tested regularly to protect against undetected

SCREWS AT BOTTOM

INPUT VOLTAGE REQUIREMENT

WASHER AND NUT

interference or fault.

OF CASE

A general knowledge of radio and its vagaries should be gained prior to acting as a

12 TO 30 VOLTS AC

CONNECT CABLE TO

wholesale distributor or dealer, and these facts should be communicated to the ultimate

10.5 TO 30 VOLTS DC

users.

BULKHEAD CONNECTOR

220812 A