Product data

83
K. Motors:
1. Compressor motors shall be cooled by refriger-
ant passing through motor windings and shall
have line break thermal and current overload
protection.
2. Indoor blower motor shall have permanently
lubricated bearings and inherent automatic-
reset thermal overload protection.
3. Totally enclosed outdoor-fan motor shall have
permanently lubricated bearings, and inherent
automatic-reset thermal overload protection.
L. Special Features:
Certain features are not applicable when the fea-
tures designated by * are specified. For assistance in
amending the specifications, your local Carrier Sales
Office should be contacted.
* 1. Carrier PremierLink™ Controls:
a. Shall be available as a factory-installed or as
a field-installed accessory.
b. Shall work with CCN and ComfortVIEW™
software.
c. Shall be compatible with ComfortLink™
controllers.
d. Shall be ASHRAE 62-99 compliant.
e. Shall accept a CO
2
sensor in the conditioned
space — Demand Control Ventilation (DCV)
Ready.
f. Shall have baud communication rate of
38.4K or faster.
g. Shall be Internet Ready.
h. Shall include an integrated economizer
controller.
2. Apollo Control:
a. Shall serve as interface between thermostat,
Carrier rooftop unit, and any external field-
supplied sensors.
b. Shall be powered by 24 vac/10 va, supplies
thermostat with 10 vdc. This power is sup-
plied by the Carrier rooftop unit, and is fac-
tory wired.
3. Roof Curbs:
a. Formed galvanized steel with wood nailer
strip and capable of supporting entire unit
weight.
b. Allows for installing and securing ductwork
to curb prior to mounting unit on the curb.
* 4. Integrated Economizers:
a. Integrated integral-modulating type capable
of simultaneous economizer and compressor
operation.
b. Includes all hardware and controls to provide
cooling with outdoor air.
c. Equipped with low-leakage dampers not to
exceed 3% leakage at 1 in. wg pressure dif-
ferential (Durablade economizer).
d. Capable of introducing up to 100% outdoor
air in both minimum and fully open positions.
e. Equipped with a gravity relief sliding plate
damper (Durablade economizer). Damper
shall close upon unit shutoff.
f. EconoMi$er shall be equipped with a baromet-
ric relief damper with up to 100% of return air
(004-007) or 90% of return air (008-012)
relief. The Durablade economizer is equipped
with 30% of return-air relief (004-012).
g. Designed to close damper during loss-of-
power situations with emergency power sup-
ply (Durablade economizer) or spring return
built into motor (EconoMi$er).
h. Dry bulb outdoor-air temperature sensor
shall be provided as standard. Enthalpy con-
trol shall be provided as an option.
i. Durablade economizer is a guillotine-style
damper, and the EconoMi$er is a gear-
driven, parallel blade design.
NOTE: EconoMi$er shall also be available
with field-installed two-stage power exhaust
accessory for vertical or horizontal duct
applications.
5. 25% Manual Outdoor-Air Damper:
Manual damper package shall consist of
damper, birdscreen, and rainhood which can be
preset to admit up to 25% outdoor air for year-
round ventilation.
6. 50% Manual Outdoor-Air Damper:
Manual damper package shall consist of
damper birdscreen, and rainhood which can be
preset to admit up to 50% outdoor air for year-
round ventilation.
* 7. 100% Two-Position Damper:
a. Two-position damper package shall include
single blade damper. Admits up to 100%
outdoor air.
b. Damper shall close upon indoor fan shutoff.
c. Designed to close damper during loss of
power situations.
d. Equipped with barometric relief damper.
* 8. 25% Two-Position Damper:
a. Two-position damper package shall include
single blade damper and motor. Admits up
to 25% outdoor air.
b. Damper shall close upon indoor fan shutoff.
* 9. Solid-State Enthalpy Control:
a. For use with Durablade economizer package
only.
b. Capable of sensing outdoor-air enthalpy
content (temperature and humidity) and
controlling economizer cut-in point to have
minimum heat content air passing over
the indoor coil for most efficient system
operation.
50TFQ004-01250TFQ004-012