Carrier 50XT User Manual download pdf (Page 5)

OPTIONS AND ACCESSORIES

Factory -- installed options

Coil options include tin -- plated* indoor hairpins, copper/copper

and vinyl--coated construction for refrigerant coils. Units are

shipped standard with copper tube/aluminum fin construction. See

model number nomenclature for coil options.

*Tin-- plated indoor coils are built with special hairpins that are

designed to resist both general pitting corrosion and excessive

indoor corrosion (Formicary Corrosion).

Field--installed accessories

Manual Air Damper (25% open)

Electric Heaters

Filter Rack

Flat Roof Curbs (8--in. and 14--in.) (203 mm and 256 mm)

Square--to--Round Duct Transition Kit

Infinityt User Interface

Crankcase Heater

Lifting Kit

Compressor Hard Start Kit

Manual outside air damper includes hood and filter rack with

adjustable damper blade for up to 25% outdoor air.

Electric heaters provide additional heat in the unit when required.

Each package has a heater module that slides into the controls

compartment. Heater sizes range from 5.0 to 20.0 kW. The electric

heater design allows the use of a single--point power supply for the

entire unit, resulting in lower installed costs.

Flat roof curbs in both 8 in. (203 mm) and 14 in. (256 mm) sizes

are available for roof mounted applications.

Square--to--round duct transition kit enables 024 -- 048 size units

to be fitted to 14 in. round ductwork.

Infinity User Interface coupled with the system’s variable-- speed

indoor blower delivers Carrier’s patented IdealHumidity

technology that allows for even greater humidity control. Along

with more precisely controlling temperature and humidity, the

Infinity User Interface offers full seven--day programmability

allowing you to further customize your comfort and energy

savings.

Lifting kit includes 4 metal brackets that are available to assist in

lifting this product onto a roof application.

Crankcase heater provides anti-- floodback protection for

low--load cooling applications.

Filter rack features easy installation, serviceability, and

high--filtering performance for vertical or horizontal applications.

Compressor hard start kit assists compressor start--up by

providing additional starting torque on single phase units and

prolongs compressor motor life.

Electric Heaters

CATALOG

ORDERING NO.

NOMINAL

CAPACITY

USED WITH SIZES

(kW) FUSED STAGES 24 30 36 42 48 60

208/240 — SINGLE PHASE (60 Hz)

CPHEATE R080A00 3.8 / 5.0 NO 1 X X X

CPHEATE R081A00 3.8 / 5.0 YES 1 X X X

CPHEATE R083A00 5.4 / 7.2 YES 1 X X X X X X

CPHEATE R085A00 7.5 / 10.0 YES 1 X X X X X X

CPHEATE R087A00 11.3 / 15.0 YES 2 X X X X X

CPHEATE R089A00 15.0 / 20.0 YES 2 X X X

NOTE

Electric heaters are rated at 240v. Refer to Mul tiplication Factors table for oth er voltages.

X=Approved combination

50XT

1 2 3 4 5 6 7 8 9 10 ... 37 38

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Carrier 50XT User Manual Page 5

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