Carrier 42n - Page 18

16 42N
English
42N - FAN COIL UNITS
Fig.13.
Dimensions (mm) and weight, cabinet unit
X .Cabinet version
햲 .Slots for wall vertical fixing
햳 .Condensate discharge Ø 20 mm O.D. drain
connection
햴 .Cover panels (accessories)
햵 .Supporting feet (accessories)
햶 .Slots for horizontal ceiling fixing
Dimensions (mm) and weight, concealed unit
Y .Concealed version
햳 .Condensate discharge Ø 20 mm O.D. drain
connection
햵 .Supporting feet (accessories)
햷 .Cool Ø 3/4” gas female
햸 .Heat Ø 1/2” gas female
햹 .Cabinet version
햺 .Concealed version
Fig.16.


 .Minimum distance from the wall
Fig.17.
Supporting feet and cover panels assembly
for floor-mounted vertical unit
Fig.18.


 .Rotate 180°
Fig.19.


 .Screw anchor with double screw


 .Air vent
Fig.22.
Space for water connections
Front view
 .IN
 .OUT
쐅 .Cool Ø 3/4” gas female
쐈 .Heat Ø 1/2” gas female
쐉 .Condensate drain
씈 .Auxiliary drain pan (accessory)
씉 .Floor
LegendLegend
LegendLegend
Legend
Fig.23.
Space for water connections
Top view
Fig.24-25-26.


 .Control box panel


 .Hooks for control fixing


 .Temperature sensor


 .No. 2 screws for coil earthing


 .Front drain pan


 .Rubber tabs for coil hook


 .Thermoelectric valve head


 .Cold water circuit


 .Hot water circuit
Fig.27.
Control box panel for versions without
electric heater
Fig.28.
Control box panel for versions with electric
heater
Fig.27-28.
햻.Control connection cable
햽.Motor connection cable
햾.Power supply cable (230V ~)
햿.Cables
헀.Fan motor capacitor
헁.Cable holder
헂.Fuse holder
헃.Electric heater relay
헄.Low speed cable not connected only for high-
power heaters
헅.Electric heater terminal block
헆.Terminal block
Fig.29.
Control type “U”
Fig.30.
Control type “A”
Fig.31.
Control type “B”
Fig.29-30-31.


 .ON/OFF/fan speed selector


 .Green LED - cooling operation


 .Seasonal changeover button


 .Red LED - heating operation


 .Yellow LED - automatic operation (only for
type “B”)


 .Energy saving button


.Yellow LED - energy saving operation


 .Temperature knob
Fig.32.


.Control


 .Screw to close the control


.Control cable


 .Control box panel


.Metal plate to fix the control


 .Screws
Fig.33.


.Screw


.Screw anchor
Fig.34.


.Minimum temperature sensor (optional)


 .Air sensor


 .Jumper to select remote temperature sensor
or internal sensor


 .Internal temperature sensor


.Dip-switch selectors
Fig.35.
XX
XX
X .Control internal sensor
YY
YY
Y .Unit - mounted sensor
Fig.36.


 .Protection grille


.Safety thermostat
Fig.37.


 .Electric heater relay


.Separated electric heater power supply fuse


.Jumper to exclude low fan speed for high-
power models only


.Disconnected low speed cable for high-
power electric heaters only


 .Fuse holder
Fig.39.


.Photocatalytic filter tabs