2
Specifications subject to change without notice. 32801002001
INTRODUCTION
The Air Handler models are R-410A Fan Coils designed for
installation flexibility allowing multi-position installation Upflow,
down flow, horizontal right & horizontal left. These units leave the
factory compliant with low leak requirements of
less than 2% cabinet
leakage rate at 0.5 inches W.C. when tested in accordance with
ASHRAE 193 standard.
The metering device is installed on the outdoor unit and the fan coils
do not have the device. All fan coils have a DC fan motor with
variable speeds for efficiency. The units have been designed for up-
flow, down-flow, and horizontal orientations, including manufactured
and mobile home applications.
These units require a field supplied air filter and electrical disconnect*
and are designed specifically for R-410A refrigerant heat pumps.
These units are available for systems of 24,000 through 48,000 BTUh
nominal cooling capacity (depending on the local codes) See “Step 8 -
Electrical Connections” on page 16
HEATER PACKAGES
This unit is not equipped with an electric heater package. A factory-
approved, field-installed, ETL listed heater package is available from
your equipment supplier. Factory-authorized, field-installed electric
heater packages are available in sizes 5kW through 20kW. Electric
heaters that are not factory approved could cause damage which
would not be covered under the equipment warranty. Review the
product data literature for all available accessory kits.
Table 1 — Indoor Unit Model Numbers
ACCESSORIES
The system is shipped with the following accessories (see Table 2). Use
all of the installation parts and accessories to install the system. Improper
installation may result in water leakage, electrical shock and fire, or cause
the equipment to fail. Keep the installation manual in a safe place and do
not discard any accessories until the installation has been completed.
Table 2 — Accessories
NOTE: In order to use the Wireless Remote for Air Flow Adjust-
ment or Static Pressure setting, the outer panel and control panel
cover must be removed to make the IR Receiver accessible. See
“Step 10 - Setting Static Pressure and Airflow” on page 20.
Fig. 2 — Air Handler
Fig. 3 — Indoor Unit Representation
KBTUH
V-PH-HZ
ID MODEL NO.
24
208/230-1-60
DLFSAAH24XAK
36
DLFLAAH36XAK
48
DLFLAAH48XAK
EXPLOSION HAZARD
Failure to follow this warning could
result in death, serious personal injury,
and/or property damage.
Never use air or gases containing oxygen
for leak testing or operating refrigerant
compressors. Pressurized mixtures of air
or gases containing oxygen can lead to
an explosion.
WARNING
INSTALLATION
Entrust a licensed contractor to install the unit. Installation by
unskilled persons may lead to improper installation, electric shock,
or fire. Re-installation must be performed by authorized
professionals. Non-compliance may lead to electric shock or fire.
WARNING
This unit is
NOT
equipped with a single point electrical
connection for an Auxiliary Heat Package. A separate power
supply is required for the Auxiliary Heat Package.
CAUTION
NAME
SHAPE
QUANTITY
Owner’s and
Installation
Manual
1
Wireless Remote
Controller*
1
Battery
1
Infrared Display Panel
(located in the
Air Handler Unit)
1
ON/OF F
T E MP
FP
TIMER
ON
TIMER
OFF
MODE
FAN/SLC
SLEEP
TURBO
SWING
DIRECT
CLEAN
LED
FOLLOW
Air outlet
Air inlet
Drain connection
Refrigerant
connecting
pipe
Coil Compartment
(Access Panel Removed)
Upflow Drain Pan
Horizontal Drain Pan
