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Installation Considerations
For proper installation and operation,
check each of the following before
mounting the units:
1. Allow adequate space for the unit
installation and service clearances.
For servicing and routine
maintenance, provide access to
the unit through removable panels
in the ceiling.
2. Before installing any unit make
sure proper preparation has been
made at each unit location for
piping and electrical connections.
3. If adding external accessories to
the unit, additional clearance must
be considered for the overall space
needed.
4. Check the supporting structure
(ceiling) should be strong enough
to support unit weights. All units
must be mounted level to assure
proper drainage and operation.
5. Ducting connected to units should
not exceed the external static
pressure rating of the unit.
6. Condensate protection for the
chilled water valves and piping
must be provided by installer
should be located under the valves
or else the valves and piping
should be throughly insulated.
Note: The general location of the Fan
Coil Unit is normally selected by the
architect, contractor, and/or buyer.
For proper installation, the following
items must be considered.
Installation Procedure
To proper installation procedure, Trane
HFCC/HFCD Chilled Water Fan Coil
follow these steps:
Coil Connections
Coil connection for HFCC model is 5/8
inch, HFCD model is 3/4 inch copper
tube. To complete piping connections,
attach the water pipe to the coil
connection at header. The water inlet
is on lower tube and the water outlet is
on upper tube of the header. Coil
connection size and coil connection
locations are given on dimensional
data. For coil connection, as shown in
Figure 1.
4
Unit Installation
Figure 1
Connecting the unit with brazing
procedure
To braze the copper tube, use a
coupling between the copper tube of
Fan Coil Unit and water pipe as
shown in Figure 2.
Note: Before brazing a copper tube to
a solder coupling or a copper tube to
an expanded tube, do not forget to
keep them tight.
Torch
Solder Rod
Solder Coupling
Water Pipe
Figure 2
Condensate Drain Connections
1/2 inch PVC pipe (or flexible pipe)
connection can be used as a drain
line. Attach the drain line to the drain
connection with tape-sealant to
prevent leakage. To conveniently drain
the system, the drain piping must slant
downward, with a slope of at least
1:50 to prevent leakage. Figure 3 show
the unit in the ceiling mounted
position.
There should be no water traps in the
drain system. Avoid putting the end of
the drain pipe in water and the drain
pipe should run straight down the wall
to a level where the run off will not
stain the wall.
Note: When the drain pipe is placed in
the room, should insulate the pipe with
foam polyethylene to avoid damage to
the ceiling or furniture.
Mounting
The Trane model HFCC/HFCD units
are designed to be suspended from
the ceiling on threaded rods furnished
by the installer. Holes are provided at
the top of the units, see dimensional
data for cutout dimensions and
locations.
Copper Tube
1. Install the suspension rods or other
suspension devices that must be
provided by installer.
2. Put the upper W 3/8" nuts and W
3/8" lock washers on suspension
rods to prevent unit from upward
tilting during unit operation or duct
installation, as shown in Figure 4
Typical Installation.
3. Hoist the unit into position. See
dimensional data for unit weights.
4. Put on the lower W 3/8" lock
washers and then 3/8" nuts to
secure the unit, as shown in
Figure 4, Typical Installation.
5. Level the unit casing to avoid poor
condensate drainage by adjusting
lower nuts up/down, and then
tighten the upon nuts.
Caution: Level the unit by checking
on the unit casing. Do not use the coil
or drain pan for leveling as they are
pitched to provide proper drainage.
Wall
Outdoor Side
Slant
Drain Hose
Figure 3
UNT-SVN006-EN
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