Nailor Engeneered 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. 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.
Nailor will not accept any responsibility for improper tightening
procedures that damage the connections.
5/6/10 EC-39MUINST
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
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
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