Carrier 42C Series Product Data page 129

J. Electrical Requirements:
Standard unit shall operate on 120 v, single-phase,
60 Hz electric power. All internal wiring shall be in
flexible conduit.
K. Motor(s):
Fan motors shall be 3-speed, 120 v, single-phase,
60 Hz, permanent split capacitor type, with sleeve
type bearings and oversized oil reservoirs to ensure
lubrication. Motor shall have thermal overload pro-
tection with automatic reset and be connected with
quick connect electrical plug.
L. Special Features:
Certain standard features are not applicable when
the features designated by * are specified. See your
local Carrier Sales
specifications.
* 1. Unit coil(s) shall be equipped with automatic air
vents.
* 2. For installation in a 4-pipe chilled water or
direct expansion (DX R-410A) system, unit
shall be equipped with a 3-row cooling/one-
row heating split-circuit coil, a 3-row cooling/2-
row heating split-circuit coil, or a 4-row cool-
ing/one-row heating
required. Coil connections to be as shown on
the equipment drawings.
* 3. For installation on a 2-pipe chilled water or
direct expansion (DX R-410A) system, units
shall be equipped with a 2-row, 3-row, or
4-row, cooling/heating coil.
* 4. Fan motor shall be permanent split-capacitor
type, 208, 220, 240, or 277-v, single-phase,
50 or 60 Hz as specified on the equipment
schedule.
* 5. Unit shall be equipped with electric strip heaters
mounted on the entering air side of the water
coil. Heaters shall include high limit cutout with
auto reset and contactor. Capacity and voltage
shall be as shown on the equipment schedule.
When fan motor and electric heater are selected
at the same voltage and connected to a single
power source, a junction box and fuse shall be
factory furnished and installed to protect the
motor and control circuit.
* 6. Filter track and cleanable filter shall be installed
in the plenum.
* 7. Drain pan shall include a second drain connec-
tion located above the main drain connection to
act as an indicator that the main drain is
plugged.
* 8. Discharge-air grille with double deflection, alu-
minum construction with aluminum frame shall
be factory installed as shown on the equipment
Offices for amending
split-circuit coil as
schedule. Aluminum grilles shall have a natural
anodized finish (42CG only).
* 9. Double-deflection discharge-air grille with steel
construction shall be factory installed as shown
on equipment schedule. Grille shall be painted
to match cabinet (42CG only).
10. Manual stop, balancing, combination balance
and stop, ball type, and flow control valves shall
be factory furnished and installed as indicated
on the equipment drawings.
11. Motorized 2-way and 3-way valves shall be fac-
tory wired and assembled with tubes terminat-
ing in belled ends or unions for field attachment
to the coil. Valves shall be packaged within unit
to prevent shipping damage.
12. Heating and/or cooling wall thermostat shall be
factory furnished for field installation.
13. Automatic changeover device(s) shall be factory
wired for field installation on the supply piping.
14. Sequenced heating and cooling wall thermostat
shall be factory furnished for field installation.
15. Tamper-proof fasteners (Allen head) shall be
installed on the access panel on cabinet models.
16. Unit shall operate on 208, 220, 240, or 277-v,
single-phase, 50 or 60 Hz electrical power as
specified on the equipment schedule. All wiring
shall be in flexible metal conduit.
17. Cabinet of 42CG unit or bottom panels of
42CK unit shall be painted with the color speci-
fied on the equipment schedule.
18. A stainless steel drain pan shall be available for
factory installation.
19. Factory-installed insulation options shall include
foil faced fiberglass or closed cell insulation.
20. Control Options:
a. 3-speed, 4-position manual fan switch on a
wall plate for field-mounting.
b. Factory-installed 24-v transformer and relay
board for use, with 24-v controls by others.
c. Carrier's Debonair
grammable or non-programmable thermo-
stat, including
transformer, relay board, and changeover
sensors, as required. Provides automatic fan
speed control based on demand.
d. Factory-Installed Carrier Fan Coil Open
Controller: BACnet based communicating
controller with pre-programmed control
algorithms; including factory-installed 24-v
transformer, relay board, supply air sensor,
return air sensor and changeover sensor (as
required). Provides automatic fan speed con-
trol based on demand.
® 24-v digital display pro-
factory-installed 24-v
129