Piping
Coil connections
To complete piping connections, attach the
water piping with 3/4-inch MPT connection to
the coil. The water inlet is on the bottom and
water outlet on the top of the coil. Coil
connection size and coil connection locations
are given on Figure 4,5,6. Water inlet/
outlet connections of unit with valve package
are 3/4-inch MPT. 3/4-inch FPT union
should be provided by installer.
Condensate Drain Connections
Either PVC pipe or steel pipe with 3/4-inch
FPT connection can be used as a drain line.
Attach the drain line to the drain connection
with tape-sealant to prevent leakage. A drain
line pitch with a minimum slope of 1:50 is
recommended.
Installation
Electrical Connections
For wiring and Installation, refer to the wiring
diagram decals on each unit. Also see
Figure 7 for wiring diagrams.
A grounding point, which must be properly
connected to the building grounding system,
has been provided with a mark on the vertical
side of the inlet collar.
All electrical connections are to be made in
accordance with local electrical codes and
ordinances.
WARNING: Disconnect electrical power
source and secure in disconnected
position before servicing the unit. Failure
to do so may result in personal injury or
death from electrical shock.
CAUTION: Use only copper conductors
for wiring connections. Unit terminals are
not designed to accept other types of
wiring. Aluminum or other conductors
may cause overheating and unit damage.
Notice: The reserved space for power
supply cords is 20 mm in diameter.
Notice: Table shows the range of the fan
coil units with different heater options.
Please refer to the current and use the
proper power supply cords.
7
HFCF-SVX01A-EN
