Carrier 42C Series Product Data page 127

Fan coil air conditioners 50/60 hz 150 to 2000 cfm
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3. Motor shall be equipped with quick connect
electrical plug.
R. Special Features:
Certain standard features are not applicable when
the features designated by * are specified.
* 1. Unit coil shall be equipped with automatic air
vents.
* 2. Unit shall be equipped with a 4-row or 5-row
coil for installation in a 2-pipe system.
* 3. For installation in a 4-pipe system, unit shall be
equipped with:
a. A 3/1, 3/2 or 4/1 row-split coil, as shown
on equipment drawings for cooling and
heating.
b. Two each supply and return risers and one
drain riser.
c. Two ball valves, 2 circuit setters and two 2-
way motorized valves.
d. Motorized control valves shall be rated at
300 PSI with 150 PSI close-off pressure dif-
ferential, and rated to operate with fluid tem-
peratures from 40 to 180 F.
closed valves shall be powered open with
spring driven closure.
* 4. Unit shall be equipped with 3-way motorized
valves.
5. Fixed flow valve(s) shall be factory installed as
shown on the equipment drawings.
* 6. Motor shall be 3-speed, single-phase, 60 Hz
permanent split capacitor type for 208, 230 or
277 volts or 50 Hz permanent split capacitor
type for 220 volts.
7. Motor shall be ECM motor for single-phase,
60 Hz, 115, 208, 230, or 277 V.
* 8. Double-deflection
grille(s) shall be finished for field installation.
9. Double-deflection
grille(s) with opposed blade damper shall be fur-
nished for field installation on two or more dis-
charge units.
10. Ceiling skirts for exposed stack units shall be
provided for field trim and installation.
11. A fresh-air opening shall be provided as shown
on the equipment drawings.
*12. One-in. thick cleanable filters, pleated MERV 8
filters, or pleated MERV 13 filters shall be
installed in the filter track.
Normally
aluminum
finish
supply
aluminum
finish
supply
13. Unit shall be equipped with nichrome wire elec-
tric strip heaters for total or auxiliary electric
heat as specified on the equipment schedule.
a. Heaters shall be protected by an automatic
reset safety cutout switch and a fusible link.
b. Heater capacity shall be as specified on the
equipment schedule.
c. Heaters shall be single phase, 60 Hz for
120, 208, 240 or 277 volts as specified on
the equipment schedule.
d. Electric heaters shall include thermal over-
load protection with fusible link back-up.
e. Units with electric heat shall also include
blower motor and control sub-fusing.
14. Fused or unfused service switch shall be pro-
vided. Switch shall be suitable for single phase,
60 Hz service for 115, 208, 240 or 277 volts
as specified on the equipment schedule.
15. Panels of 42SH unit shall be painted with the
color specified on the equipment schedule.
16. Return air panels shall be supplied as shown on
the equipment drawings.
17. Tamper-proof fastners (Allen head) shall be
installed on the access panels on cabinet
models.
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
(42SG,SH,SJ,SM only).
20. Control Options:
a. Factory installed 24-V transformer and relay
board for use, with 24-V controls by others.
b. 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.
c. 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
127

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