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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
Economizer with Solid--State Controls and Barometric
Relief Dampers
Manual Air Damper (25% open)
Electric Heaters
Filter Rack
Flat Roof Curbs ( 8--in. and 14--in.) (203.2 and 355.6 mm)
Square--to--Round Duct Transition Kit
Thermidistatt
Thermostats
Crankcase Heater
Compressor Start Kit (foruse on single--phase units only)
Rigging Kit
Low Ambient Kit (Motormaster® II Control)
Solid --State Time Guard® II Device
Lifting Kit
Economizer with solid-- state controls and barometric relief
dampers includes filter racks and provide outdoor air during
cooling and reduce compressor operation.
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.
Filter Rack features easy installation, serviceability, and
high--filtering performance for vertical or horizontal applications.
Flat roof curbs in both 8 in. (203.2 mm) and 14 in. (355.6 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. (355.6 mm) round ductwork.
Thermidistat Control 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
Thermidistat offers full seven--day programmability allowing you
to further customize your comfort and energy savings.
Thermostats provide control for the system heating and cooling
functions. Thermostat models are available in both programmable
and non -- programmable versions.
Crankcase Heater provides anti-- floodback protection for
low--load c ooling applications.
Compressor start kit assists compressor start--up by providing
additional starting torque on single phase units and prolongs
compressor motor life.
Rigging kit includes lifting brackets which are inserted into the
unit base rigging holds to lift unit for rooftop applications.
Low--ambient kit (Motormaster II control) allows the use of
mechanical cooling down to outdoor temperatures as low as 0_F
(-- 17_C) when properly installed.
Solid--state Time Guard II device provides short--cycling
protection for the compressor. Not required with corporate
electronic thermostats.
Lifting kit, including 4 metal brackets that are available t o assist in
lifting this product onto a roof application.
Electric Heaters
CATALOG
ORDERING NO.
NOMINAL
CAPACITY (kW)
FUSES
USED WITH SIZES
024 030 036 042 048 060
ELECTRIC HEATERS (208/230 — SINGLE PHASE — 60 Hz)
CPHEATER052A00 5.0 0 X X X X X X
CPHEATER069A00 7.5 0 X X X X X X
CPHEATER065A00 10.0 0 X X X X X X
CPHEATER051A00 15.0 4 X X X X X
CPHEATER053A00 20.0 6 X X
CPHEATER054A00 20.0 6 X
ELECTRIC HEATERS (208/230 — THREE PHASE — 60 Hz)
CPHEATER055A00 5.0 0 X X X X X
CPHEATER056A00 10.0 0 X X X X X
CPHEATER057A00 15.0 0 X X X X
CPHEATER059A00 20.0 6 X X X
NOTE: Electrich ea ters are rated at240v. Refer to Multiplication Factors table for other voltages.
X = Approved combinations.
Minimum Airflow for Reliable Electric Heater Operation (CFM)
UNIT SIZE 024 030 036 042 048 060
AIRFLOW 750 1000 1250 1400 1500 1800
50XP