Cooling Model
Heat Pump
DFS2A318J2A
DFS2H318J2A
DFS2A324J2A
DFS2H324J2A
DFS2A/H 2X09, 2X12
Duct Free Systems
51302618919
−
B
NOV
06
421 01 9219 00
R
−
22
Installation, Start-Up, and Service Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS
1
. . . . . . . . . . . . . . . . . . . . . .
GENERAL
1
−
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLATION 7
−
14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 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.
