Carrier 48XL- User Manual

1

48XL/48XLN

Infinity

t

15 SEER Single --- Packaged

Air Conditioner and Gas Furnace System

w/Puron

R

(R--- 410A) Refrigerant

2 --- 5 Nominal Tons (Sizes 024 --- 060)

Product Data

A05307

Fig. 1 -- Unit 48XL

Single--Packaged Products with Energy--Saving Features and

Puron

®

refrigerant.

S

Direct Spark Ignition

S

Up to 15.5 SEER

S

Meets Energy Star requirements

S

Up to 80.1% AFUE

S

Low Sound Levels

S

Variable--Speed Blower (Standard)

S

Factory Installed TXV

S

Stainless Steel Heat Exchanger (Limited Lifetime Warranty)

S

Two Stage Cooling and Heating

FEATURES/BENEFITS

One--piece heating and cooling units with low sound levels, easy

installation, low maintenance, and dependable performance.

Puron

®

Environmentally--Sound Refrigerant

is Carrier’s unique

refrigerant designed to help protect the environment. Puron
refrigerant is an HFC refrigerant which does not contain chlorine

that can harm the ozone layer. Puron refrigerant is in service in
millions of systems proving highly reliable, environmentally sound

performance.

IdealHumidity

t

Technology featuring Infinity

t

control and

Variable--Speed Blower motor

and two--stages of cooling and

heating provide greater comfort, humidity control, and energy
efficiency.

Variable--Speed Blower motors

provide better comfort and

energy efficiency. You can expect up to 30 times better
dehumidification; economical constant fan for less than $50 a year,

which provides improved indoor air quality and more even
temperatures from room to room; and reduced indoor noise due to

lower air velocity. In addition, you’ll realize improved installation

flexibility with 3 different airflow choices for best overall comfort.

Easy installation

Factory--assembled package

is a compact, fully self--contained,

combination gas heating/electric cooling unit that is pre--wired,
pre--piped, and pre--charged for minimum installation expense.

These units are available in a variety of standard and optional

heating/cooling size combinations. Units are lightweight and install
easily on a rooftop or at ground level. The high tech composite unit

base eliminates rust problems associated with ground level
applications.

Convertible duct configuration

Unit is designed for easy use in either downflow or horizontal

applications. Each unit is easily converted from horizontal to
downflow and includes horizontal duct covers. Downflow

operation is easily provided in the field to allow vertical ductwork
connections. The basepan utilizes knockout style seals on the

bottom openings to ensure a positive seal in the horizontal airflow
mode.

Efficient operation

High--efficiency design

with SEERs (Seasonal Energy Efficiency

Ratio) of up to 15.5 and AFUE (Annual Fuel Utilization
Efficiency) ratings as high at 80.1%.

Energy--saving, direct spark ignition

saves gas by operating only

when the room thermostat calls for heating. Standard units are

furnished with natural gas controls. A low--cost field installed kit

for propane conversion is available for all units.

48XLN units are dedicated Low NOx units

designed for

California installations. These models meet the California
maximum oxides of nitrogen (NOx) emissions requirement of 40

nanograms/joule or less as shipped from the factory and MUST be

installed in California Air Quality Management Districts or any
other location where a Low NOx rule exists.

Durable, dependable components

Compressors

have two stages of cooling and are designed for high

efficiency. Each compressor is hermetically sealed against

contamination to help promote longer life and dependable

operation.

Vibration

isolation

provides

quiet

operation.

Compressors have internal high--pressure and overcurrent

protection.