Johnson Pump CM10P7-1 Instruction Manual page 6

ENGLISH
Important!
The pumps can be installed in optional
position, horizontally or
vertically.
To avoid air-locks when
mounted horizontally, the
outlet should be turned in
such a way that the it is
directed upwards or is
placed on the upper side
of the pump body.
Elektrical installation
Connect red lead to positive (+) terminal
and black lead to negative (-) terminal.
Electrical installation in boat
The pump must be installed according to
ISO 033 (Small craft - Electrical system
- Extra low voltage DC installation for
continuous current). Other electrical
devices, eg switch, circuit breaker, must
be installed between the pump and the
positive (+) lead on the battery (on the
red wire). Note: The fuse must be ignition
protected.
All electrical connections must be
placed above highest bilge water level.
All wire connections ought to be
sealed with a marine sealant, e g vaseline,
silicon rubber or grease.
If the pump is connected with separate
earth lead, this should be yellow/green
and connected to the motor base.
See the wiring scheme for correct in-
stallation. Negative wire must be black.
Choose wire size in accordance with
total wire lenght (see table).
Note: Before installation with electrical
control systems, check that equipment to
be used is of sufficient rated capacity to
accept ampere draw of motor.
6
Wiring dimensions
(based on 3% voltage drop)
Wire size
90°
.0 mm

.5 mm

.5 mm 
* The wire length is the total distance from the
battery to the pump and back to the battery.
Caution
Do not pump gasoline, solvents, thinners,
highly concentrated or organic acids. If
corrosive fluids must be handled, pump
life will be prolonged if flushed with wa-
ter after each use or after each work day.
Wiring scheme
Max 0.2 m
+
–
Black
Green/yellow
Max wire lenght in mm*
 V 4 V
 m 44 m
6.5 m
7.4 m
Switch
Red
Terminal
fuse
Pump