Introduction; Heater Packages - Carrier 40MBAAQ24XA3 Installation Instructions Manual

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 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.
WARNING
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.

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
KBTUH V-PH-HZ
24
36 208/230-1-60
48
CAUTION
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."
2
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.
Wireless Remote
Infrared Display Panel
Extension Wire (located
on the Air Handler Unit)
Sensor p/n 40VM900009 -
NOTE: *The wireless remote controller is used only for initial static
pressure and airflow setup.
ID MODEL NO. Coil Compartment
40MBAAQ24XA3
(Access Panel Removed)
40MBAAQ36XA3
Upflow Drain Pan
40MBAAQ48XA3
Specifications subject to change without notice.
Table 2 — Accessories
NAME
Owner's and
Installation
Manual
Controller*
Battery
and
Optional Return
Temperature
sold separately
Air outlet
Air inlet
Fig. 2 — Air Regulator
Fig. 3 — Indoor Unit Representation
SHAPE QUANTITY
1
1
O N /O F F FP
MODE TIMER
ON
T E MP
TIMER
FAN/SLC OFF
SLEEP SWING DIRECT
TURBO CLEAN LED FOLLOW
1
1
1
Refrigerant
connecting
pipe
Drain hose
Horizontal Drain Pan
IM-40MBAA-01