Cooling Model Heat Pump
DFS2A324K1A DFS2H324K1A
DFS2A330K1A DFS2H330K1A
DFS2A336K1A DFS2H336K1A
DFS2A/H 24, 30, 36
Duct Free Systems
51302618914−D Nov 06
421 01 9218 00
R−22
Installation, Start-Up, and Service Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS 1. . . . . . . . . . . . . . . . . . . . . .
GENERAL 1−6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLATION 7−15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Indoor Unit Installation 7. . . . . . . . . . . . . . . . . . . . . . . .
Outdoor Unit Installation 9. . . . . . . . . . . . . . . . . . . . . . . .
Power Supply 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leak Test 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiring Diagrams 12−13. . . . . . . . . . . . . . . . . . . . . . . . . .
START−UP 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Checks 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CARE AND MAINTENANCE 14. . . . . . . . . . . . . . . . . . . . . .
Outdoor Units 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Indoor Units 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
To Clean the Indoor Unit Front Panel 14. . . . . . . . . . .
To Clean Indoor Coil 14. . . . . . . . . . . . . . . . . . . . . . . . . .
Air Filters for Outdoor Units 14. . . . . . . . . . . . . . . . . . .
INDOOR UNITS 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SERVICE 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING 16−19. . . . . . . . . . . . . . . . . . . . . . . .
SAFETY CONSIDERATIONS
Installing, starting up, and servicing air−conditioning equipment
can be hazardous due to system pressures, electrical components,
and equipment location (roofs, elevated structures, etc.).
Only trained, qualified installers and service mechanics should
install, start−up, and service this equipment.
Untrained personnel can perform basic maintenance functions
such as cleaning coils. 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.
Keep quenching cloth and fire extinguisher nearby when brazing.
Use care in handling, rigging, and setting bulky equipment.
DANGER, WARNING, CAUTION, and
NOTE
The signal words DANGER, WARNING, CAUTION, and
NOTE are used to identify levels of hazard serious-
ness. The signal word DANGER is only used on
product labels to signify an immediate hazard. The
signal words WARNING, CAUTION, and NOTE will
be used on product labels and throughout this manu-
al and other manuals that may apply to the product.
DANGER − Immediate hazards which will result in se-
vere personal injury or death.
WARNING − Hazards or unsafe practices which could
result in severe personal injury or death.
CAUTION − Hazards or unsafe practices which may re-
sult in minor personal injury or product or property
damage.
NOTE − Used to highlight suggestions which will result in
enhanced installation, reliability, or operation.
Signal Words in Manuals
The signal word WARNING is used throughout this
manual in the following manner:
The signal word CAUTION is used throughout this
manual in the following manner:
Signal Words on Product Labeling
Signal words are used in combination with colors and/or
pictures on product labels.
WARNING
Safety Labeling and Signal Words
!
CAUTION
WARNING
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury or death.
Before installing or servicing system, always turn off main
power to system and install lockout tag on disconnect.
There may be more than one disconnect switch.
!
WARNING
GENERAL
These instructions cover the installation, start−up and servicing of
DFC2A/DFC2H outdoor and DFF2A/DFF2H indoor units
cooling only and heat pump duct free systems. See Table 1 for
parts included. See Tables 2 and 3 for Physical Data.