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CONDENSATE DRAIN
Assembling the condensate drain pipe on horizontal
versions
To assemble the horizontal drain pan on DLMO versions,
see the instructions supplied with the horizontal pan kit.
- make sure that the "L" pipe and the rubber hose are cor-
rectly connected to the pan.
- insert the side of the unit, keeping the pipe held against
the front grill.
- close the side, making sure the pipe remains secured in
the groove provided on the side.
- If necessary, cut the plastic tube C for the condensate
drain and fix the painted pipe to the plastic tube with the
supplied clamp so that the knot of the clamp is facing
away from the cabinet to keep the pipe to the right slope
A Connection pipes
B Groove
FILLING THE SYSTEM
When starting the system the first time, check that the lock-
shield valve is open.
If there is a power failure and the temperature actuated
VENTING AIR WHEN FILLING THE SYSTEM
- Open all the shut-off devices in the system (manual or
automatic);
- Start filling by slowly opening the system water fill tap;
- For models with vertical installation, use a screwdriver to
open the vent at the top of the coil. The rubber hose car-
ries water away from the coil vent to the tank on the side of
the fan coils. For units with horizontal installation, open the
vent at the top; for 4-pipe versions, open the vents at the
top of both coils.
- When water starts coming out of the vent valves on the
A Coil vent
14
FDL3-i SLIM EN
A
B
Ø14mm
for the correct condensate drain. (see fig. 1)
N.B. warnings for horizontal installation:
- make sure that the unit is perfectly level, or with a slight
slope towards the condensate drain;
- carefully insulate the outlet and return pipes all the way to
the unit, so as to prevent condensate from dripping out-
side of the collection pan;
- insulate the entire condensate pan drain pipe.
1
valve has previously been powered, use the cap provided to
press the valve member and open the valve.
unit, close the vents and continue filling until reaching the
rated system pressure.
Check water tightness of the gaskets.
This operation should be repeated after the appliance has
been operating a number of hours, and system pressure
should be checked periodically.
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