WARNING: follow the instructions of the boat engine manufacturer on how to connect
engine cooling liquid to the heat exchanger.
• Fit the stub pipe (11) to the relief valve (9) using hose clamp (10). Fit the pipe so as to allow
any possible water leak not to cause damage to part of the boat.
• Open up hot water taps of washbasins and start the water pump. This allows water to fill the
water heater and force air out of water heater and pipes. Close taps as soon as air free water
comes out.
• Check that there are no leaks on pipe joints.
UNIT POWER SUPPLY
For the connection see fig. 3. Make sure the water heater working voltage is the same as that
the provided from AC network.
A double pole switch has to be included on the electric installation, in order to turn on and off
the unit, and a fuse of suitable rating. The insulation between connections contacts of the AC
network must be at least 3mm. The connections to AC network must be done following the Na-
tional Specifications on electrical installations.
WARNING: make sure there is no power into the cable before making connection.
WARNING: don't operate the electric element if the tank is not filled with water. It may
cause a permanent damage to the electric element.
THERMOSTAT ADJUSTING
The standard temperature value of the thermostat is 60°C. If you wish to change it, follow the
instructions below:
• shut down power supply
• remove the protection cover (16) in order to reach the thermostat
• adjust the thermostat knob with a screwdriver (fig.4 ) and turn it to the required temperature
• replace the protection cover (16)
• switch on power supply.
The thermostat sets water temperature only on the electric element function.
(In model provided with)
(in model provided with)
USAGE
GB
13