When installing the FLOW series heater make sure that the heater is
protected from any road spray, dust, water, and moisture.
The heater must be fixed properly to bypass any vibrations. It must be
installed in a well-ventilated area.
DO NOT install near flammable or heat-sensitive objects such as sails,
fenders, clothing, sheets, paper, gas pipelines, fuel tanks, etc.
3.2 The installation of the coolant system
Connect the liquid heater to the cooling system of the vehicle so that it is aligned to
the direction of the coolant flow within the cooling system (Fig. 4a/b).
During installation, use the rubber hoses and shaped pipes included in the installation
kit of the heater. The hoses must be laid avoiding sharp bends or crimps and it must be
possible to maintain them in a raised position from the heater to ensure unrestricted air
bleeding.
When laying the hoses ensure that they are not installed beside the exhaust
system and engine parts, which are heated to a high temperature.
Before the first start of the liquid heater and after a change of coolant, ensure
that the device is properly bled. The presence of air in the system could result
in overheating of the liquid heater.
Make sure that all pipe joints are properly tightened and leak proof.
Fig. 4a – Coolant flow direction for FLOW 5
Fig. 4b – Coolant flow direction for FLOW 14D
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