4. INSTALLATION
45
4.7 Speed/Tempera-
ture Sensor
(option)
The speed/temperature sensors (ST-02MSB
and ST-02PSB) are designed for thru-hull
mounting. Install them as shown below.
Mounting considerations
Select a suitable mounting location, consider-
ing the following:
• Select a mid-boat flat position. The sensor
does not have to be installed perfectly per-
pendicular.
• Select a location where the transducer will
not be damaged in trailering, launching,
hauling, and storage.
• Select a location in the forward direction
viewing from the drain hole, to allow for cir-
culation of cooling water.
• Select a location away from water flow from
keel, water discharge pipe, etc.
• Vibration at the location shall be minimal.
• Do not install fore of the transducer of a fish
finder, to prevent disturbance (and loss of
performance) to the fish finder.
1. Dry-dock the boat.
2. Make a hole of approx. 51 mm diameter in
the mounting location.
3. Unfasten the locknut and remove the sen-
sor section.
4. Apply marine sealant to the flange of the
sensor. The height of the coat should be
approx. 6 mm
5. Pass the sensor casing through the hole.
6. Face the notch on the sensor toward
boat's bow and tighten the flange.
7. Set the sensor section to the sensor cas-
ing and tighten the locknut.
8. Launch the boat and check for water leak-
age around the sensor.
Speed/Temperature sensor
ST-02MSB, ST-02PSB
4.8 Wiring
Connect the cable assy. (supplied) to the [12-
24 VDC/NMEA] port, and the transducer ca-
ble to the [XDR] port. Refer to the intercon-
nection diagram to connect cables. Leave
slack in cables to facilitate checking and
maintenance. See the next page for how to
ground the display unit.
Locknut
123
Face "notch"
toward bow.
Flange nut
51
Brim
ø
77
Coat with
marine sealant.
Unit: mm
Transducer
cable
Ground
Switchboard, ground terminal,
external equipment
Cable assy.
(KON-004-02M, 2 m)
Transducer
Example:
FCV-627
(option)
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