2
Low-cost installation and
operation
Each unit is designed to occupy a
minimum space. No complex system
controls are required for Carrier fan
coil units. Piping, drain, and wiring
connections are readily accessible and
mounting holes and slots are pre-
drilled to save installation time and field
labor expense.
42 Series quality reduces
service and maintenance
expenses
All coils are factory leak tested at
300 psig air pressure with coil
submerged in water. Condensate drain
pans are available in stainless steel or
heavy gage galvanized steel construc-
tions, along with optional condensate
overflow switches complying to the lat-
est building codes. A variety of insula-
tion types are available for energy sav-
ings, sound absorption and indoor air
quality (IAQ) preservation.
Efficient operation
Blower wheels are centrifugal-type,
forward curved, double width, and dou-
ble inlet sized for maximum efficiency.
Quiet, dependable
performance
All units are built to operate unobtru-
sively with quiet motors and fans. In ad-
dition,
1
/
2
-in. thick sound-absorbing,
insulation is used to line the cabinet.
42C Series horizontal, 42V
Series vertical units
Carrier room fan coil units operate at
exceptionally low sound levels. A
generous amount of insulation absorbs
operating sound and rugged, rigid
construction ensures vibration free op-
eration at all fan speeds.
Economical, three-speed fans deliver
just the right amount of conditioned air
for your comfort needs at any load,
and each unit can be shut off when not
in use. Optional electronically commu-
tated motors deliver peak operating ef-
ficiency. By choosing Carrier units,
you can match your application with a
wide range of custom-designed options
and accessories, including electric heat.
Filters are cleanable or throwaway
type.
Carrier room fan-coil units provide
unsurpassed year-round comfort.
Features/Benefits (cont)
Table of contents
Page
Features/Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-17
Selection Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Application Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-35
42C
Model Number Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
AHRI Capacity Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Base Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39-54
Accessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55,56
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57-63
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64,65
42V
Model Number Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
AHRI Capacity Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Base Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69-79
Accessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80-82
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84-86
42D
Model Number Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
AHRI Capacity Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Base Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89-93
Accessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94,95
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96-99
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100-102
42S
Model Number Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
AHRI Capacity Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Base Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105-112
Accessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113-117
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118-125
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126,127
Guide Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128-137
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
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