Specification Sheet

4
518 71 2005 06
Specificatio ns subject to change without notice.
OPTIONS AND ACCESSORIES
ITEM DESCRIPTION
FACTORY
INSTALLED
OPTION
FIELD
INSTALLED
ACCESSORY
Compressor Start Kit
Compressor Start Kit assists compressor start- up by providing
additional starting torque on single phase units only.
X
Corporate T hermostats
Thermostats provide control for the system heating and cooling
functions.
X
Crankcase Heater
Crankcase Heater provides anti- floodback protection for low-
load cooling applications.
X
Economizer
Horizontal Economizer with solid state controls and barometric
relief dampers includes filter racks and provide outdoor air during
cooling and reduce compressor operation.
X
Vertical Economizer with solid state controls and barometric relief
dampers includes filter racks and provide outdoor air during
cooling and reduce compressor operation.
X
Electric Heaters Electric Heat Supplement X
Filter Rack
Filter Rack features easy installation, serviceability, and high-
filtering performance for vertical applications. Includes 1- in. filter.
X
Flat Roof Curbs
Flat Roof Curbs in 14- in. (356 mm) sizes are available for roof
mounted applications.
X
Low Ambient Kit
Low Ambient Kit (Motormaster II Control) allows the use of mech-
anical cooling down to outdoor temperatures as low as 0°F
(- 18° C) when properly installed.
X
Manual Outside Air Damper
Manual Outside Air Damper includes hood and filter rack with
adjustable damper blade for up to 25% outdoor air.
X
Square- to- Round Duct Transition
Kit
Square- to- Round Duct Transition Kit enable 24- 48 size units to
be fitted to 14 in. (356 mm) round ductwork.
X
Cabinet leakage
Cabinet air leakage less than 2.0% at 0.5 in. W.C. when tested in
accordance with ASHRAE standard 193.
X
Curb Adaptor Adapter curb for new unit with base rail installed on existing curb X
Gasket Kit For field modified existing roof curb with new base rail unit. X
Outdoor Coil Dense Metal Wire Grille
3/8” spacing Dense Metal Wire Grille provide hail and vandalism
protection. (Factory installed on single phase with ’TP’ and ’LC’)
X X
Dual Point Electric Heaters
Allows you to power the electric heater and unit contactor separ-
ately by having two individual field power supply circuits connected
respectively.
X
Electric Heaters
ORDERING NO.
NOMINAL
CAPACITY (kW
@ 240 or 480
VOLTS)
USED WITH SIZES
24 30 36 42 48 60
208/230 - SINGLE PHASE - 60 HZ
CPHEATER052A0* 5.0 X X X
CPHEATER064A0* 5.0 X X X X X X
CPHEATER069A0* 7.2 X
CPHEATER070A0* 7.2 X X X X X X
CPHEATER050A0* 10.0 X X X X X X
CPHEATER066A0* 15.0 X X X X X
CPHEATER054A0* 20.0 X X X
208/230 - THREE PHASE - 60 HZ
CPHEATER055A0* 5.0 X X X X
CPHEATER056A0* 10.0 X X
CPHEATER068A0* 10.0 X X X X
CPHEATER058A0* 15.0 X X X X
CPHEATER059A0* 20.0 X X X
460 - THREE PHASE - 60 HZ
CPHEATER061A0* 10.0 X X X X
CPHEATER062A0* 15.0 X X X X
CPHEATER063A0* 20.0 X X X
NOTE: Electric heaters are rated at 240v. Refer to Multiplication Factors table for other voltages.
X = Approved combination
Minimum Airflow for Reliable Electric Heater Operation (CFM)
SIZE 24 30 36 42 48 60
AIRFLOW (CFM) 800 1025 1250 1400 1710 1800