36
PACKAGED TERMINAL COOLING UNIT
WITH HEAT PUMP OR ELECTRIC HEATING
HVAC Guide Specifications
Size Range:
Cooling:
6,900 to 15,000 Btuh
Heating:
6,000 to 13,400 Btuh
Heat Pump:6,400 to 17,000 Btuh Electric
Carrier Model Numbers:
52ME Performance Series, Cooling with Electric
Heat
52MQ Performance Series, Heat Pump with Electric
Heat
Part 1 — System Description
Packaged Terminal Air Conditioners shall be of the
sizes and capacities as shown on the contract drawing
schedule and in the specifications.
System shall be tested to insure no water infiltration
into the room, when tested at eight inches of rain per
hour with 55 mph wind.
The complete system shall consist of the following:
A.
Packaged Terminal Heat Pump or Heat/Cool
Chassis
: See section 2 -- Chassis Description
B.
Power Cord OR Hardwire Kit
shall provide the
power connection to the unit.
C.
Insulated Polymer Wall Sleeve
shall provide
excellent thermal insulation, be textured to hide
scratches and prevent shine, will have superior
outdoor noise absorption and shall be corrosion
free for the life of the product. The Wall Sleeve
must have dimensions of 42” width x 16“ height x
14--7/8” depth and be shipped with a rear weather
barrier installed.
D.
Wall Sleeve Molding
shall trim the wall sleeve to
the existing wall, to hide wall imperfections and
irregularities due to the sleeve opening.
E.
Outdoor Polymer Louvered Grille
shall resist
corrosion, breakage and match the color specified
on drawing schedule and specifications.
F.
Subbase
will support the wall sleeve when it
extends into the room more than 4 inches.
Subbase
must
come
from
the
factory
pre--assembled, with a built in receptacle (size as
specified
on
drawing
schedule
and
specifications).
Part 2 — Chassis Description
2.1 General:
The chassis shall be a factory--assembled,
single--piece heating and/or cooling unit, that is
simple to install and operate. Just slide the chassis
into a wall sleeve, plug it into an outlet, and operate
after installation. The chassis dimensions shall not
exceed 42” wide and 16“ high with room cabinet in
place. The chassis shall consist of the following
functional sections and components:
A.
Certifications
:
System shall be approved and certified by UL &
UL, Canada. Chassis capacity and efficiency
performance shall be certified in accordance with
ARI standard 310/380. Chassis shall meet
ASHRAE Standard 90.1 for minimum energy
efficiency.
B.
Operating Characteristics:
Chassis shall be capable of starting and running at
115
_
F ambient outdoor temperature per maximum
load criteria of ARI Standard 310/380.
C.
Electrical
:
The accessory power cord or hardwire kit for the
unit will be ordered separately. The power cord
accessory will be 58 inches for 208/230v models
or 15 inches for 265v models. The Hardwire kit
accessory will provide 36 inches of flexible
conduit. The chassis current draw shall be
specified on the chassis nameplate and match
electrical requirements specified on the Contract
drawing schedule and specifications.
The power cord plug configuration shall conform
to NEMA standards and the rating shall support
the current draw of the electric resistance heater.
For 265v installations, UL codes require the use of
an electrical equipped subbase for power cord
usage or hardwire conduit for non--corded
installations.
D.
Safeties
:
Compressor shall have automatic reset, over
temperature and over current protection. The fan
motors shall have an inherent, automatic reset
over temperature protection. The electric heater
shall have two over temperature protectors
.
52M
