4. INSTALLATION
65
4.3 Power and Transducer Connection
Connector B
Single-frequency transducer
Dual-frequency/low-frequency transducer
Connector A/B or A
Dual-frequency/high-frequency transducer
Connector A/B or A
Dual-frequency integrated transducer
Cable
Pin No.
Frequency
White
1
Low
Red
2
High
Shield
3
Green
4
High
Black
5
Low
Cable
Pin No.
−
1
White
2
Shield
3
Black
4
−
5
Cable
Pin No.
White
1
Shield
2
Black
3
Connector model:
HS21P-3
HS21P-5
HS21P-5
Connection to transducer:
Low-frequency side for single-
frequency or dual-frequency use
(75 kHz, 50 kHz, or 28 kHz)
HS21P-3
H i g h - f r e q u e n c y s i d e f o r d u a l -
frequency use
(200 kHz, 75 kHz, or 50 kHz)
Or for dual-frequency integrated type
HS21P-5
Hull grounding:
0.5 x 30.0 copper plate
For DC specs., connect the CFQ-8827 to the inboard power supply.
For AC specs., connect the CFQ-8827 to the NBA-3263 rectifier.
Use DPYCY-2.0 (or higher in ratings) as an extension power cable.
HS21P-4
Cable
Pin No.
Polarity
Red
1
+
White
2
+
Green
3
−
Black
4
−
Refer to the installation manual for details on connection of optional components such as a water
temperature sensor and external data input/output connectors.