Powermaster Safety Gate UL 991 ユーザーズマニュアル
31
LOOP INSTALLATION
1. Layout the desired loop locations per the diagram.
The standard size chart below will give an
approximate length of wire required for various loop
dimensions and number of turns required.
approximate length of wire required for various loop
dimensions and number of turns required.
CAUTION: The Loop wires and Lead-in wires must be a
continuous piece of wire without splices. The amount of lead
in wire required must be added to these lengths for total wire
required. Only use wire intended for this type of application.
(Type XHHW insulation 16AWG)
continuous piece of wire without splices. The amount of lead
in wire required must be added to these lengths for total wire
required. Only use wire intended for this type of application.
(Type XHHW insulation 16AWG)
NOTE: Buried steel from drains or other systems may affect
functioning of the loop system. Check with the factory for
advice on any special installations. (1-800-243-4476).
functioning of the loop system. Check with the factory for
advice on any special installations. (1-800-243-4476).
STANDARD LOOP LAYOUTS
FOR APPROX 36” HEIGHT DETECTION
LOOP SIZE
# OF TURNS
LOOP WIRE
LENGTH (FT)
4’X4’ 4
64’
4’ X 6’
4
80’
4’ X 8’
3
72’
4’ X 10’
3
84’
4’ X 12’
3
96’
4’ X 14’
3
108’
4’ X 16’
3
120’
4’ X 18’
3
132’
4’ X 20’
3
144’
4’ X 22’
3
156’
4’ X 24’
3
168’
4’ X 26’
3
180’
4’ X 28’
3
192’
4’ X 30’
2
136’
4’ X 32’
2
144’
4’ X 34’
2
152’
4’ X 36’
2
160’
4’ X 38’
2
168’
4’ X 40’
2
176’
32
2. Cut the required groove as shown in the diagram below
at the locations laid out in Step #1.
3/16" To 1/4"
1" To 2"
1" To 2"
Loop Wire
(See Chart)
(See Chart)
Lead In Wire
(Twisted At 6
Turns Per Foot)
1/2" Conduit
Conduit Cut