Engineered Comfort 39MU Series Installation And Operation Manual

Safety Considerations

The equipment covered by this manual is designed for safe
and reliable operation within its design specification limits. To
avoid personal injury or damage to equipment or property while
installing or operating this equipment, it is essential that qualified,
experienced personnel perform these functions using good
judgment and safe practices. Equipment is not to be used by
persons (including children) with reduced physical, sensory, or
mental capabilities, or lack of experience and knowledge, unless
they have been given supervision or instruction. Equipment's
maximum altitude of use is 2,200 m. See the following cautionary
statements
Danger
ELECTRICAL SHOCK HAZARDS. All power must be
disconnected prior to installation and servicing this equipment.
There may be more than one power source present. Insure that
all power sources have been disconnected to avoid electrocution
or shock injuries.
MOVING PARTS HAZARD. Motor and blower must be
disconnected prior to opening access panels. Motors can start
automatically; disconnect all power and control circuits prior to
servicing to avoid serious crushing or dismemberment injuries.
BURN HAZARD. Electrical resistance heating elements must
be disconnected prior to servicing. Electric heaters may start
automatically; disconnect all power and control circuits prior to
servicing to avoid burns.
Warning
Ensure that rigging and lifting equipment are of sufficient capacity
to support the weight of the unit.
All assemblies must be secured during lifting and rigging with
temporary supports and restraints of adequate size and strength
according to local codes and ordinances until the equipment is
permanently fixed in place.
All fastening devices must be capable of locking the assembly
in place without loosening or breaking away due to system
operation and vibration.
Nailor tests coil packages to 400PSI for leaks before shipping.
However, during transit, vibration may cause loosening of
connections. Therefore, all connections must be checked at
time of installation. Any connection found to be loose must be
tightened. Nailor will not be held responsible or accept any
charges for tightening loose fittings. Backup wrenches must be
used during the tightening process.
Should a hose swivel connection be disconnected after it has
been tightened the gasket must be checked to see if it needs
replacement and replaced, if necessary, before the hose is
re-attached.
Female swivel fittings with gasket should not be tightened to
more than 30 in-lb of torque.
Unit must be pressure tested before applying water.
Backup wrenches must be used during any tightening process to
keep the copper tube or fitting from being damaged.
EC-39MUINST Date:1-24-24
Engineered Comfort reserves the right to change any information concerning product or specification without notice or obligation.
INSTALLATION AND OPERATION MANUAL
VERTICAL FAN COIL UNITS • UPDRAFT DESIGN
MODEL SERIES: 39MU
Nailor will not accept any responsibility for improper tightening
procedures that damage the connections.
Caution
Protect adjacent flammable materials when brazing. Use
flame and heat protection barriers where needed. Have a fire
extinguisher available and ready for immediate use.
The equipment covered by this manual is available with a variety
of options and accessories. Consult the approved unit submittal,
order acknowledgement and other manuals for details on the
options and accessories provided with the equipment on each project.
Safe practices regarding mechanical equipment must be followed
at all times when handling, installing or servicing any unit.
All power must be disconnected before any installation or service
should be attempted. More than one power source may be
supplied to the unit. Power to remote mounted control devices
may not be supplied through the unit.
Never wear bulky or loose fitting clothing when working with
mechanical equipment. Gloves should only be worn when
required for proper protection from heat or other possible injury.
Safety glasses or goggles should always be worn when drilling,
cutting or working with chemicals such as lubricants
Never pressurize any equipment beyond specified test pressures.
The manufacturer assumes no responsibility for personal injury
or property damage resulting from improper or unsafe practices
during handling service or operation of any equipment.

Preface

Nailor Industries fan coils represent an investment, which can,
when installed and operated properly, give long and trouble free
service.
Your equipment is initially protected under the manufacturer's
standard warranty. However, this warranty is provided under the
condition that the steps outlined in this manual for initial inspection,
proper installation, periodic maintenance and everyday operation
of the equipment be followed in detail. This manual should be
fully reviewed in advance of any actual work being done on the
equipment. Should any questions arise, please contact your local
Sales Representative or the factory BEFORE proceeding.

Unpacking and Inspection

All units have been carefully inspected, tested and packaged at
Nailor's manufacturing facility.
It is the responsibility of the receiving party to inspect the
equipment upon arrival. Any obvious damage to the packaging
and/or its contents should be recorded on the bill of lading and a
claim should be filed with the freight carrier.
After determining the condition of the unit's exterior, including all
piping, each unit should be carefully removed from the package
and inspected for hidden damage. Any hidden damage should
be recorded and immediately reported to the carrier and a claim
filed as before. Should a claim for shipping damage be filed, the
unit, the shipping package and all packing must be retained for
inspection by the freight carrier. All equipment should be stored
in the factory shipping package until installation.
Supersedes:5-6-10
Dimensions are in inches (mm).
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