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P/N# 240002990, R
ev
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INSTALLATION, OPERATION AND MAINTENANCE MANUAL
An ISO 9001-2000 Certifi ed Company
AIR CONDITIONER
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RC55 STRAIGHT COOL AIR CONDITIONER
1.4 [08/05]
[Save
T
I
Shipping Damage MUST be Reported to the Carrier IMMEDIATELY!!!
Examine the exterior. Remove cover and examine compressor and piping for signs of damage.
This manual is intended as an aid to qualifi ed service
personnel for proper installation, operation, and maintenance
of the RetroAire RC55 Packaged Terminal Air Conditioner.
Read these instructions thoroughly and carefully before
attempting installation or operation. Failure to follow these
instructions may result in improper installation, operation,
service, or maintenance, possibly resulting in fi re, electrical
shock, property damage, personal injury, or death.
TO THE INSTALLER
SAFETY INSTRUCTIONS
• Model Number_________________________
• Serial Number_________________________
• Date of Installation______________________
Recognize this symbol as an indication
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The Right Fit For Comfort
of important safety information
!
DANGER
!
2
!
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TABLE OF CONTENTS
We urge you to read all of the instructions thoroughly
A rating plate identifying this RetroAire RC55 PTAC
by qualified installation
MODIFICATION AND TAMPERING
To the Installer and Safety
Warnings and Installer Responsibilities ...............3
Controls and Components ..................................4
Product Description, Capacities, Air System .....4
Heat-exchanger, Refrigeration, Electrical Wiring 4
Installation Instructions ....................................5-6
Final Inspection and Start-Up .............................6
Sequence of Operation .....................................7-8
Cleaning and Maintenance ..................................9
Troubleshooting ..................................................9
Specifi cations and Dimensions .........................10
Warranty ............................................................11
INSTALLER RESPONSIBILITIES
Instructions .............2-3
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DANGER
IMPORTANT SAFETY FEATURE
Power Cord With Integral Safety Protection
All PTACs rated 250
to the power supply are equipped, with a power cord
with integral safety protection as standard. Providing
personal shock protection as well as arcing and
fi re prevention. The device is designed to sense
any damage in the line cord and disconnect power
before a fi re can occur. Tested in accordance with
Underwriters Laboratories, the cord set also offers a
unique “passive” operation, meaning the unit does not
require resetting if main power is interrupted.
V or less that are cord connected
!
WARNING
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WARNING - A DAMAGED POWER SUPPLY CORD
MUST BE REPLACED WITH A NEW CORD FROM
THE MANUFACTURER, AND NOT REPAIRED.
Each power cord should be checked before every
use. Follow the instructions in the order listed on the
device.
WARNING - DO NOT USE THE PRODUCT IF THE
UNIT FAILS THE TEST.
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PRODUCT DESCRIPTION
All Retro
and are tested and rated in accordance
with ARI standards 310, 380, and UL484.
R
wall sleeve and cooling chassis to prevent outside
wires cut or frayed).
PREPARATION FOR INSTALLATION
STANDARD CONTROLS & COMPONENTS
(Factory Installed or Supplied)
FACTORY OPTIONS & ACCESSORIES
ELECTRICAL WIRING
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on top of
should be at-
)
A
to
)
)
T
M
)
Cell PolyFoam
P
wire connection
white, etc.).
RC55 INSTALLATION KIT
T
paired and/or the war
paired and/or the war
Make sure the Molex plugs are connected cor-
Figure 1
INSTALLATION INSTRUCTIONS
Figure 2
The Right Fit For Comfort
Figure 3
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Check rating plate voltage and amperage/fuse
INSTALLATION INSTRUCTIONS Continued
T
water into the drain pan and making certain it fl ows
F
K
Any obstruction of supply
FINAL INSPECTION AND STARTUP
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way to the right will produce the coolest. These settings
SEQUENCE OF OPERATION
void rotating the thermostat knob back and forth
T
cause
and let the unit continue operating to
warmer, turn the thermostat knob clockwise until a
position. All
All straight cool
M
will power a 208/230
S
peed
Figure A
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A. Place system switch in the “HEAT” position.
The
On units
with a changeover thermostat, the compressor can run to
to have the evaporator fan cycle or
“CONSTANT”
position,
SEQUENCE OF OPERATION Continued
has a
AQUASTAT CONNECTION (OPTIONAL):
All straight
PTAC
wire to aquastat (see wiring diagram for more information).
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C
once a month by remov-
wires and poor connections.
T
outdoor coils,
produce a noxious odor when starting the fan or
CLEANING AND MAINTENANCE
WARNING
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It is illegal to discharge refrigerant into the atmosphere. Use proper reclaiming methods and equipment when servicing a RetroAire Dual Motor PTAC.
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TROUBLESHOOTING
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DIMENSIONS AND SPECIFICATIONS
VOLTS/HZ/PHASE
AMPS
VOLT
VOLTAGE
WATTS
AMPS
AIR CFM
AMPS HP RLA LRA AMPS HP
NEMA Specifi cations
Non-Locking/Receptacles
ELECTRICAL SPECIFICATIONS
OPTIONAL ELECTRIC HEAT SPECIFICATIONS
PERFORMANCE DATA
BTUH EER
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whichever comes fi rst.
WHAT WE WILL COVER
WHAT WE DON’T COVER
or other costs incurred for repairing, removing, install-
whether resulting from use or loss of use of the product.
ALL PRODUCT LIMITED WARRANTY
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