Multiaqua FSFCA User manual

FSFCA
(Ductless Direct Expansion Fan Coil)
Rev. 1.1

2
INSTALLATION & OPERATING
MANUAL
FSFCA Universal Mount Fan Coil
12,000-60,000 BTUH
GENERAL
Read the entire contents of this manual
before beginning installation. Multiaqua
assumes no responsibility for equipment
installed contradictory to any code
requirement or installation instructions.
The components of this fan coil have
been inspected at the factory and readied
for shipment. Upon receiving the
shipment a visual inspection of the
packaging must be performed.
If any damage to the packaging is
discovered, an inspection of the
components must be performed and
noted on the delivery documents. If
component damage is found a damage
claim must be filed by the receiving party
against the delivery party immediately.
This product is designed and
manufactured to permit installation in
accordance with national codes. It is the
installer’s responsibility to install the
product in accordance with national
codes and/or prevailing local codes and
regulations.
Care must be taken to ensure the
structural integrity of the supporting
members, clearances and provisions for
servicing, power supply, coil connections
and/or condensate removal. Before the
installation ensure the structural strength
of the supporting members is sufficient.
See Figure 1 for hanging weights of the
fan coils.
This unit is designed to be installed in a
-------------------------------------- CAUTION --------------------------------------
Care must be taken when handling sheet metal. Sheet metal parts have sharp edges and could
cause injury.
horizontal or vertical configuration. Fan coil
can be mounted on a wall or ceiling. See
Figure 2 for fan coil and mounting bracket
dimensions.
FAN COIL
APPROXIMATED
MODEL NUMBER
WEIGHTS (lbs.)
FSFCA-04-1-U
88.00
FSFCA-06-1-U
90.20
FSFCA-08-1-U
96.80
FSFCA-12-1-U
143.00
FSFCA-16-1-U
154.00
FSFCA-20-1-U
256.20
Figure 1

3
INSTALLATION & OPERATING
MANUAL
FSFCA Universal Mount Fan Coil
12,000-60,000 BTUH
FSFCA Mounting Bracket Dimensions
(in.)
Model Number
A
B
FSFCA-04-1-U
36.49
13.00
FSFCA-06-1-U
36.49
13.00
FSFCA-08-1-U
36.49
13.00
FSFCA-12-1-U
48.30
13.00
FSFCA-16-1-U
71.97
13.00
FSFCA-20-1-U
71.97
13.00
Figure 2
A
B
BACK

4
INSTALLATION & OPERATING
MANUAL
FSFCA Universal Mount Fan Coil
12,000-60,000 BTUH
Figure 3
Figure 3
INSTRUCTIONS FOR
INSTALLING THE MOUNTING
BRACKETS AND UNIT
1. The unit should be installed for
horizontal or vertical discharge
applications only.
2. Select position for unit and define
direction of DX piping, drain and
electrical wiring. Access to DX supply
and return lines can be obtained from the
right hand side bottom and right side rear
Figure 4 & 5. See next page for access
hole dimensions.
Figures 4 and 5
3. Remove mounting brackets from both
sides of unit.
Figure 6
4. Prepare mounting bolts for mounting
unit under ceiling or on a wall at the
distances provided in Figure 2 (Page 3).
5. Select a location that permits even air
flow throughout the room.
6. Select a location that has enough
service space when the unit is mounted
under the ceiling or on the wall.
Figure 4
-------- CAUTION -------
Care must be taken when
handling sheet metal. Sheet
metal parts have sharp edges
and could cause injury.
Figure 5

5
INSTALLATION & OPERATING
MANUAL
FSFCA Universal Mount Fan Coil
12,000-60,000 BTUH
Piping Locations
.

6
INSTALLATION & OPERATING
MANUAL
FSFCA Universal Mount Fan Coil
12,000-60,000 BTUH
Figure 6
Figure 6
INSTRUCTIONS FOR
INSTALLING THE MOUNTING
BRACKETS AND UNIT
7. Carefully place fan coil into place and
align mounting holes on both sides of the
fan coil with the holes in the mounting
brackets. Secure unit with mounting
bolts.
Figure 6
8. Connections to the indoor unit are
flared connections for both the liquid and
suction lines to the fan coil.
Figure 7
9. Ensure tubing and fittings are in line
with each other before tightening nut to
allow concentric seating of tube onto
flare nut as to prevent leakage. Ensure
the unit’s flared connection is supported
with a backup wrench when removing or
tightening any flair nuts.
10. If installing a TXV at the condenser,
ensure that the liquid line is properly
insulated all the way to the evaporator.
11. Connect the field drain line to the
clear drain tubing provided on the drain
pan of the fan coil. Ensure the drain line
has a ¼” of fall per foot. Insulate the
condensate drain line to prevent
sweating. Figure 8
Figure 7
Figure 8
-------- CAUTION -------
Care must be taken when
handling sheet metal. Sheet
metal parts have sharp edges
and could cause injury.