Carrier AIRSTREAM 42BHE Product Data page 35

c. For installation in a 4-pipe system, unit shall
be equipped with either a 4-row cooling/
1-row hot water heating split-circuit coil, or
a 4/2, 6/1, or 6/2 split-circuit coil as
required.
d. Unit shall be equipped with either a 4-row
DX (direct expansion) cooling coil or a 6-row
DX cooling coil as required.
e. Unit coil(s) shall be copper fin, copper tube
with stainless steel end sheets and baffles.
2. Filters:
a. A two-in. pleated filter shall be installed in
the unit (standard).
b. One-in. pleated, two 1-in. throwaway or
2-in. pleated MERV 11 filters with 2-in. pre-
filter shall be installed as indicated on the
equipment schedule.
3. Insulation:
a. Units shall be equipped with 1-in. thick Tuf-
Skin™ II insulation (standard).
b. Units are available with 1-in. closed cell,
1-in. anti-microbial fiberglass, or 1-in. foil-
faced insulation.
4. Controls:
a. Unit shall be equipped with 24-v trans-
former, motor contactor and terminal strip
for connection to field or factory provided
controller.
b. Unit shall be equipped with interlocking
door-disconnect switch with lock-out tag-out
compatibility, touch-type fusing, 24-v trans-
former, motor contactor and terminal strip
for connection to field provided controller.
c. Unit shall be equipped with interlocking
door-disconnect switch with lock-out tag-out
compatibility, separate motor and electric
heater touch-type fusing, 24-v transformer,
motor contactor and terminal strip for con-
nection to field-provided or factory-provided
controller.
d. Fuses comply with NFPA 70E/IP20.
5. Electric Heat:
a. Electric heaters shall be constructed of high-
grade resistance wire supported by ceramic
insulators on plated steel brackets. The heat
elements shall be suspended in front of the
outlet, after the blower and coil. An auto and
manual thermal limit switch shall protect the
heat elements in the event of an air failure.
b. Single-phase heaters shall be available in
115, 208, 230, or 277 volts (60 Hz) or
220 volts (50 Hz). Three-phase electric heat
shall be available in 208, 230, or 460 volts
(60 Hz) or 380 volts (50 Hz).
c. Electric heaters can be controlled in single,
2, or 3 stages of operation.
6. Mixing Boxes:
a. Mixing boxes shall be preassembled at the
factory and shipped separately with base
rails.
b. Mixing boxes shall include a linkage kit,
which consists of two crankarms, 2 swivels
and a rod, 25 in. long (for unit sizes 06-16)
or 84 in. long (for unit sizes 20-40), for the
field installation of the actuator.
7. Cabinet:
a. Optional double wall construction with
choice of 1-in. fiberglass or 1-in. closed cell
insulation with solid or perforated inner lin-
ers. An antimicrobial coating can also be
added.
b. Optional seismic structural upgrade to meet
IBC-2009 and OSHPD seismic certification
in accordance with ICC-ES-AS-156.
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