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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 111 Catalog No. 534-00003 Printed in U.S.A. Form 40RM-23SI Pg 1 12-04 Replaces: 40RM-22SI
Book 1 4
Tab 3c 2e
Installation, Start-Up and
Service Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS......................1
PRE-INSTALLATION.............................1,2
Moving and Storage..............................2
Rigging ..........................................2
INSTALLATION ................................ 2-25
General ..........................................2
Uncrating ........................................2
Accessories......................................2
Unit Positioning .................................13
Unit Isolation....................................13
Refrigerant and Chilled Water
Piping Access..................................13
Refrigerant Piping...............................13
Chilled Water Piping ............................19
Condensate Drain...............................20
Fan Motors and Drives ..........................20
Power Supply and Wiring .......................21
Connecting Ductwork ...........................24
Return-Air Filters................................24
START-UP .......................................25
SERVICE ..................................... 25-45
Panels...........................................25
Fan Motor Lubrication...........................25
Fan Shaft Bearings..............................25
Centering Fan Wheel ............................26
Fan Shaft Position Adjustment ..................26
Individual Fan Wheel Adjustment ...............26
Fan Belts........................................26
Fan Rotation ....................................26
Fan Pulley Alignment ...........................27
Pulley and Drive Adjustment ....................27
Condensate Drains..............................27
Return-Air Filters................................27
Chilled Water Coil Freeze Protection ............27
Coil Removal....................................27
Cleaning Cooling Coil ...........................27
Cleaning Insulation .............................27
Replacing Filters ................................28
START-UP CHECKLIST ...................CL-1,CL-2
SAFETY CONSIDERATIONS
Recognize safety information. This is the safety-alert sym-
bol ( ). When you see this symbol on the unit and in instruc-
tions or manuals, be alert to the potential for personal injury.
Understand the signal words — DANGER, WARNING,
and CAUTION. These words are used with the safety-alert
symbol. Danger identifies the most serious hazards which will
result in severe personal injury or death. Warning indicates a
condition that could result in personal injury. Caution is used to
identify unsafe practices which would result in minor personal
injury or product and property damage.
Installing, starting up, and servicing this equipment can be
hazardous due to system pressures, electrical components and
equipment location (elevated structures, etc.).
Only trained, qualified installers and service mechanics
should install, start up, and service this equipment.
Untrained personnel can perform basic maintenance func-
tions such as cleaning coils, and cleaning and replacing filters.
All other operations should be performed by trained service
personnel.
When working on the equipment, observe precautions in the
literature and on tags, stickers, and labels attached to the
equipment.
• Follow all safety codes.
• Wear safety glasses and work gloves.
• Use care in handling, rigging, and setting bulky
equipment.
PRE-INSTALLATION
1. The power supply (v, ph, and Hz) must correspond to that
specified on unit rating plate.
2. The electrical supply provided by the utility must be suf-
ficient to handle load imposed by this unit.
3. Refer to Installation, General section (page 2) and
Fig. 1A-1C for locations of electrical inlets, condensate
drain, duct connections, and required clearances before
setting unit in place.
4. This installation must conform with local building codes
and with the NEC (National Electrical Code) or ANSI
(American National Standards Institute)/NFPA (National
Fire Protection Association) latest revision. Refer to
provincial and local plumbing or wastewater codes and
other applicable local codes.
Improper installation, adjustment, alteration, service, main-
tenance, or use can cause explosion, fire, electric shock, or
other occurrences which may injure you or damage your
property. Consult qualified installer or service agency for
information or assistance. The qualified installer or agency
must use only factory-authorized kits or accessories when
modifying this product.
Be sure all power to equipment is shut off before perform-
ing maintenance or service. More than one disconnect may
be present. Failure to do so may result in personal injury or
damage to the unit.
40RM007-034
40RMQ008-028
40RMS008-034
Packaged Air-Handling Units
50/60 Hz