First Co SHW (2 - 20 Tons) Horizontal Chilled Water - Manual (Page 3)

PIPING INSULATION
After the system has been proven
leak free, all lines and valve control
packages must be insulated to pre-
vent condensate drippage or insu-
lated as specified on the building
plans.
Note: Many valve packages will not
physically allow all components to fit
over an auxiliary drain pan. It is the
installers responsibility to capture all
condensation or insulate the piping
to ensure adequate condensation
prevention.
DUCT WORK
All duct work must be installed in
accordance with industry accepted
practices, and all applicable national
and local code requirements.
NOISE
These blower coil units are de-
signed for quiet operation, however,
all air handling equipment will trans-
fer some amount of noise to the
conditioned space. This should be
taken into consideration when plan-
ning the location of the equipment.
MOUNTING
It is important to ensure that the
blower coil unit is securely mounted
and the structure is sufficient to sup-
port the weight of the equipment.
Two (2) mounting rails are supplied
on the blower coil unit. All anchors
for mounting the equipment must be
placed and sized to ensure a safe
and durable installation. When nec-
essary use shims to obtain the
proper level. This will ensure that
the condensate will drain from the
unit.
INSTALLATION
PRECAUTIONS
Installation of this equipment
should only be performed by prop-
erly trained personnel to ensure
proper installation and the safety of
the installer. The following are some
precautions to be followed for typical
installations.
1. Always use proper tools and
equipment.
2. No wiring or other work should be
attempted without first ensuring that
the blower coil is completely discon-
nected from the power source and
locked out. Always verify that a
good ground connection exists prior
to energizing any power sources.
3. Always review the nameplate on
each unit for proper voltage and
control configurations. This infor-
mation is determined from the com-
ponents
and wiring of the unit and may vary
from unit to unit.
4. When soldering or brazing to the
unit it is recommended to have a fire
extinguisher readily available.
When soldering close to valve pack-
ages or other components heat
shields or wet rags are required to
prevent damage.
5. When the blower coil unit is in
operation components are rotating
at high speeds.
6. Units must be installed level to
ensure proper drainage and opera-
tion.
7. Check unit prior to operation to
ensure that the condensate water
will drain toward the drain connec-
tion. An auxiliary overflow pan may
be required as a back up to a
clogged primary drain.
8. Be sure that the drain pan is free
from foreign material prior to start
up.
9. Check filter media installation to
ensure that it is installed correctly.
Use the directional arrows or other
information on the filter to determine
the proper flow direction.
10. Ensure that the air distribution
system does not exceed the exter-
nal static rating of the unit. This
could cause the motor to activate its
internal motor temperature protec-
tor and shut off on safety.
****** WARNING ******
The manufacturer does NOT
WARRANT equipment sub-
jected to abuse. Metal chips,
dust, drywall tape, paint over
spray, etc. can void warran-
ties and liability for equip-
ment failure, personal injury
and property damage.
START-UP OPERATION
Pre-start Check
1. Check that supply voltage
matches nameplate data.
2. Ensure that the unit is properly
grounded.
3. With power off, ensure that the
blower wheel(s) rotate freely and
quietly.
4. Check that coil(s), valves and pip-
ing have been leak checked and
insulated as required.
5. Ensure that all air has been
vented from the system.
6. Install all panels.
7. Install any filters which may have
been removed during the installa-
tion process.
HANGING ROD MOUNTING DIMENSIONS
MODEL A B
24SH 35 29
36SH 35 38-1/2
48SH 37 40
60SH 40 47
AIR FLOW
****** WARNING ******
‡ Always wear eye protection.
‡ When blower coil is operating,
some components are operating
at high speeds. Personal injury
can result from touching these
items with any object
‡ All electrical and service
access panels must be returned
and secured in their proper
place.
‡ Clear surrounding area of all
tools, equipment and debris.
‡ Check the entire unit to
ensure it's cleanliness.
(TOP VIEW)