Webasto FCF Series User Manual

No cooling or
heating
(continued)
Seawater temperature too high for cooling or too
low for heating.
Seawater temperature will directly affect the air
conditioning unit’s efficiency. This air conditioning unit
can effectively cool your boat in water temperature up to
90
0
F and heat (if reverse cycle option is installed) in
water as low as 40
o
F.
Coil is iced (in cooling) See below
Fan is not running. See below
Pressure switch or thermal overload opened. Check your specific control troubleshooting section.
No Heating Reversing valve may be stuck. Tap reversing valve lightly with rubber mallet while unit is
in heat mode, call for service if the problem cannot be
solved.
Low air flow Air flow is blocked Remove any obstructions in return air stream, Clean
return air filter and grille. Check for crushed or restricted
ducting, ducting must be as straight, smooth and taut as
possible.
Coil is iced See below.
Coil is iced Thermostat set point is too low Raise set point.
Improper air flow Remove any obstructions in return air stream. Clean
return air filter and grille. Check for crushed or restricted
ducting, ducting must be as straight, smooth and taut as
possible.
Supply air is short-cycling, Redirect supply air so that is not blowing into the return
air stream. Seal any air leaks on duct.
Seawater temperature is below 40
o
F Shut down system to prevent damage to condenser.
Allow coil to defrost (see below).
Humidity level too high.
Close hatches and doors.
When all else fails. Switch air conditioner to heat until ice melts or use hair
dryer
Check your specific control troubleshooting
ti
System runs
continuously.
Set point temperature is improperly set: too low
for cooling or too high for heating.
Raise or lower set point.
Porthole or hatches open. Close all port holes and hatches,
Seawater temperature too high for cooling or too
low for heating.
Seawater temperature will directly affect the air
conditioning unit's efficiency. This air conditioning unit
can effectively cool your boat in water temperatures up to
90°F and heat (if reverse cycle option is installed) in

Webasto FCF Series Specifications

General

Brand	Webasto
Model	FCF Series
Category	Air Conditioner
Language	English