Linear TV Receiver 2031 User Manual

®
INSTALLATION INSTRUCTIONS  
Model 2031, 3021, and 3028 2 Channel Receivers  
WARNING:  
Disconnect power before any installation or repair.  
Wear safety glasses.  
Congratulations! You have purchased a MULTI-CODE  
The two positions marked 24 VAC are used to attach your  
power supply. If you find that your operator supplies only  
110 VAC, then contact LINEAR CORPORATION for the  
1092-01 power supply, and we will provide an adapter for  
110 to 24 Volt use.  
RECEIVER, which we believe to be the finest product of  
its kind on the market. If you take a moment to read the  
enclosed instructions, we think that you will find installa-  
tion of your receiver to be quite an easy matter, and will  
assure reliable operation.  
The next three positions, above the 24 VAC positions, pro-  
vide channel 1 selection. Selection of Channel 1 on the  
transmitter is made by setting the number 10 DIP switch to  
the open position. You must then choose to wire the first  
channel to a NORMALLY OPEN or NORMALLY CLOSED cir-  
cuit. To determine this, consult the manufacturer’s instruc-  
tions, as previously noted. Refer to your transmitter  
instructions for coding instructions. Now attach the second  
wire from your device to common.  
INSTALLATION  
Your Receiver may be mounted in the operator head, if  
space permits, or remotely, if this becomes necessary.  
Note that all wires should be routed through the strain relief  
fitting or rubber grommet of the cabinet, except for the  
antenna lead.  
Begin your installation by correctly wiring the receiver to  
the devices you will be using. WE URGE YOU TO BECOME  
FAMILIAR WITH THE INSTRUCTIONS THAT THE MANU-  
FACTURER OF YOUR EQUIPMENT HAS PROVIDED,  
SINCE, IN MANY CASES, THESE INSTRUCTIONS WILL  
DETERMINE THE WAY IN WHICH THE RECEIVER WILL BE  
INSTALLED.  
Above the channel 1 positions you will see the positions  
which allow channel 2 to be wired. Channel two is wired in  
the same manner as channel one, with the exception of the  
transmitter code switch number 10 being placed in the  
closed or on position.  
You will note that the two channels on the receiver may be  
used in any combination of NORMALLY OPEN or NOR-  
MALLY CLOSED devices.  
Note that on the top half of your cabinet you will find a  
terminal designation schematic. This schematic is reproduced  
below for your reference (figure 1)  
At this point you should mount your receiver to its perma-  
nent installation, if you have not already done so. If you  
have a 3021 receiver be sure to tightly secure the strain  
relief fitting through which the wires are routed as this  
provides a degree of water resistance. Should you desire  
a watertight connection, use a single length of 16 to 22 gauge  
jacketed cable.  
K2 N.O.  
Transmitter  
K2 COM.  
10th Bit Closed  
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}
K2 N.C.  
K1 N.O.  
ANTENNA INSTALLATION  
Transmitter  
K1 COM.  
10th Bit Open  
After you have mounted your receiver, test it with the  
enclosed antenna for range, noting the coverage that you  
get from all desired operating locations. If greater range or  
coverage pattern is necessary, you may choose the MULTI-  
CODE 1066 Coaxial Wiring Kit, which is available from  
LINEAR CORPORATION. Note that the external antenna  
coupling uses a TYPE F antenna fitting. If necessary, you  
may use TYPE F fittings found where television antennas  
are sold, along with 75 ohm antenna wire. It is not advis-  
able to use lengths greater than 20 feet, as this may affect  
range or tuning.  
K1 N.C.  
24 VAC  
24 VAC  
SPARE  
FIGURE 1  
SPARE  
Back the screws on the terminal block off slightly and insert  
your wiring lugs (or wire) under the appropriate set screw.  
On the block there are two terminals marked spare. These  
terminals are not functional, and may be disregarded.  
 

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