Carrier 42C Series Product Data page 113

I. Electrical Requirements:
Standard unit shall operate on 120 v, single-phase,
60 Hz electric power. All internal wiring shall be in
flexible conduit.
J. Motor(s):
Fan motor(s) 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. Motors shall have integral automatic
temperature reset for motor protection.
K. Special Features:
Certain standard features are not applicable when
the features designated by * are specified. See
your local Carrier Sales Office for amending
specifications.
* 1. Unit coil(s) shall be equipped with automatic air
vents.
* 2. For installation in a 2-pipe system, unit shall be
equipped with a high-capacity 4-row coil
(42VA,VB,VF units) or a high-capacity 3-row
coil (42VC,VE).
* 3. For installation in a 4-pipe system, 42VA,VB,
VF units 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 cooling/one-row heating split-circuit
coil as required. The 42VC,VE units shall be
equipped with a 2-row cooling/one-row heat-
ing split-circuit 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 resistance
sheath type heaters mounted on the leaving 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 elec-
tric 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 cir-
cuit. Unit height on 42VC and VE shall be
increased by 2 in. to accommodate heaters.
* 6. Cleanable filter shall be factory installed in the
filter track.
7. Extra throwaway or cleanable filters shall be fur-
nished for field installation as indicated on the
equipment schedule.
* 8. Leveling legs shall be factory installed on the
unit and permit a maximum adjustment of
3 / inch.
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9. Switch box complete with switch shall be fac-
tory installed on the unit.
10. Discharge-air grille with double deflection
aluminum construction as shown on the
equipment schedule shall be furnished for field
installation (42VA,VC units).
11. Discharge-air grille with double deflection steel
or aluminum construction shall be shipped in-
stalled in the unit. (42VB,VF,VE units). Steel
grilles shall be painted to match cabinet. Alumi-
num grilles shall be a natural anodized finish.
12. Reverse-stamped grille (42VB,VF units) shall
provide a discharge into the room at a nominal
23 degrees from vertical.
13. Stamped type aluminum return-air grille with fil-
ter holder shall be furnished for field installa-
tion. (Not available for VG unit.)
14. Manual stop, gate, balancing, combination bal-
ance and stop (ball type), and flow control
valves shall be factory furnished and installed as
indicated on the equipment drawings.
15. Motorized 2-way and 3-way valves shall be fac-
tory assembled and wired to unit with tubes ter-
minating in belled ends or unions for field
attachment to the coil. Valves shall be packaged
within the unit to prevent shipping damage.
16. Heating and/or cooling wall thermostat shall be
factory furnished for field installation.
17. Heating and/or cooling thermostat shall be fac-
tory wired and installed.
18. Automatic changeover device(s) shall be factory
wired for field installation on the supply piping.
19. Sequenced heating and cooling wall thermostat
shall be factory furnished for field installation.
20. Sequenced heating and cooling thermostat shall
be factory wired and installed.
*21. Tamper proof fasteners shall be installed on
front panel and access doors on cabinet
models.
*22. Cabinet shall be painted with the color specified
on the equipment schedule.
*23. Factory-installed outside air damper shall be
manually adjustable through the return air
opening or shall be arranged for remote manual
adjustment, complete with linkage and electric
motor to open damper when fan is on. Or, unit
3
shall have a / -in. shaft extending outside the
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unit for installation of a field-supplied damper
(42VA,VB,VF).
24. Wall panels, painted with specified color, shall
be furnished for top discharge or front dis-
charge recessed unit (42VA only).
25. 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 conduit.
26. Outside air wall boxes for field installation.
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