Furuno FAR 3220, Installation Manual

Page: 71 / 245

2. WIRING
2-29
TTYCYSLA-10 (for serial cable)
DPYCY-1.5 (for the optional de-icer)
• Before beginning any work on the Antenna Unit, turn off the breaker for the de-icer
at the mains switchboard. (Turning off the display unit has no effect.)
• The de-icer activates when the temperature becomes 0 °C, and shuts down when
the temperature reaches 5 °C.
Wrap the spiral tubing near the crimp-on lugs.
Microwave coaxial cable
See the FURUNO Installation Handbook (publication no. TIE-00160) for how to treat
this cable.
2.5.2 How to connect the cables for S-band radar (TR-DOWN)
Three cables are connected to the Antenna Unit: serial cable from the transceiver unit,
microwave coaxial cable and de-icer power cable (option). The procedure shows how
to connect all cables. Disregard the descriptions for the optional equipment if not ap-
plicable.
Note: Apply the supplied adhesive to the unused cable glands.
Crimp-on lug
6
6
10 10
200 200
390 390
30 30
Outer sheath Armor Inner sheath
Pass the heat shrink tubing (local supply)
onto the drain wire.
Drain wire Drain wire
Vinyl tape
(unit: mm)
6
1310 1310
30 30 10 10
Outer sheath
Armor
Inner sheath
Vinyl tape
Spiral tubing
Crimp-on lug
(FV2-M4)
(unit: mm)
REAR REAR
Antenna motor switch
Serial cable from the
transceiver unit
Microwave coaxial cable
De-icer power cable