22-1825-09 11
Mechanical
Specification Options
General
The 4TTZ0 is fully charged from the fac-
tory for matched indoor section and up
to 15 feet of piping. This unit is designed
to operate at outdoor ambient tempera-
tures as high as 115°F. Cooling capaci-
ties are matched with a wide selection
of air handlers and furnace coils that are
A.R.I. certified. The unit shall be certi-
fied to UL 1995. Exterior is designed for
outdoor application.
ComfortLink™ II
This outdoor unit contains the
ComfortLink™ II digital communication
with 2 wire connection to outdoor and
Plug-n-Play set up.
Charge Assist™
The Charge Assist™ indicates system
Charge Status.
Casing
Unit casing is constructed of heavy
gauge, G60 galvanized steel and
painted with a weather-resistant powder
paint on all louvers, panels, prepaint on
all other panels. Corrosion and weather-
proof CMBP-G30 DuraTuff™ base.
Refrigerant Controls
Refrigeration system controls include
condenser fan, compressor contactor
and high and low pressure switches.
High and low pressure controls are
inherent to the compressor. A factory
installed liquid line drier is standard.
Compressor
Two Climatuff
®
compressors deliver
50% or 100% capacity modulation and
feature internal over temperature and
pressure protection and total dipped
hermetic motor. Other features include:
roto lock suction and discharge refriger-
ant connections, centrifugal oil pump
and low vibration and noise.
Condenser Coil
The outdoor coil provides low airflow
resistance and efficient heat transfer.
The coil is protected on all four sides by
louvered.
Low Ambient Cooling
As manufactured, this unit has a cool-
ing capability to 55°F. For low ambient
cooling below 55° see Application Guide
SSC-APG005-EN.
Comfort Control
ComfortLInk™ II Control with Plug-n-
Play set up and 3 wire connection.
