5
Factory-installed options
Coil options
include 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.
Electronic Variable-Speed Motors
— ICM Motors
(Integrated Control Motor) provide variable-speed
operation to optimize comfort levels year round. They are
also more economical to operate than standard motors.
Field-installed accessories
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.
Flat roof curbs
in both 8 in. and 14 in. 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.
Thermostats
provide control for the system heating and
cooling functions. Thermostat models are available in
both programmable and non-programmable versions.
Lifting kit
includes 4 metal brackets that fit into the hand-
holds, a support strap and two safety straps, is available to
assist in lifting this product onto a roof application.
Crankcase heater
provides anti-floodback protection
for low-load cooling applications (Standard on 50JZ
042-060).
Low-ambient kit (Motormaster II control)
allows
the use of mechanical cooling down to outdoor
temperatures as low as 0°F.
Filter rack
features easy installation, serviceability,
and high-filtering performance for vertical
applications.
Compressor Hard start kit
assists compressor start-
up by providing additional starting torque on single
phase units and prolongs compressor motor life.
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.)
Square-to-Round Duct Transition Kit
Thermostats
Crankcase Heater
Low Ambient Kit (Motormaster® II Control)
Lifting Kit
Compressor Hard Start Kit
Options and accessories
ELECTRIC HEATERS
LEGEND
ODS — Order Distribution System
NOTE: Electric heaters are rated at 240v and 480v. Refer to Multiplication Factors table for other voltages.
MINIMUM AIRFLOW FOR RELIABLE ELECTRIC HEATER OPERATION
ODS CATALOG
ORDERING NO.
NOMINAL CAPACITY
(kW)
USED WITH SIZES
024 030 036 042 048 060
ELECTRIC HEATERS (208/230 — SINGLE PHASE — 60 Hz)
CPHEATER052A00
5.0 X X X X
CPHEATER064A00
5.0 XX
CPHEATER070A00
7.5 XXXXXX
CPHEATER050A00
10.0 X X X X X X
CPHEATER066A00
15.0 X X X X X
CPHEATER054A00
20.0 XXX
ELECTRIC HEATERS (208/230 — 3 PHASE — 60 Hz)
CPHEATER055A00
5.0 XXXXX
CPHEATER056A00
10.0 X X X X
CPHEATER068A00
10.0 X
CPHEATER058A00
15.0 X X X X X
CPHEATER067A00
20.0 XXX
ELECTRIC HEATERS (460 V — 3 PHASE — 60 Hz)
CPHEATER060A00
5.0 X X X X
CPHEATER061A00
10.0 X X X X
CPHEATER062A00
15.0 X X X X
CPHEATER063A00
20.0 XXX
UNIT-50JZ 024 030 036 042 048 060
AIRFLOW 750 1025 1250 1285 1710 1800
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