Carrier 42 GW Serie Manual De Instalación página 24

"Hydronic Global Cassette" Fan Coil Units
Fig.1.
A - Unit
B - Frame/Grille assembly
Fig.15.
Heating: louvre position for correct air
flow.
Cooling: louvre position for correct air
flow.
Warning
To close one or two air outlets use the
special kit
Fig.18.
Nut
Wooden frame
Threaded hangers
Washers
Nut
Washers
Threaded hangers
Washers
Nut
Nut
Fig.19.
Threaded hangers
"T" bar (to be removed)
Fig.20.
Threaded hangers
"T" bar (to be removed)
Suspension brackets
Fig.21.
False ceiling
Spirit level
Fig.24.
Frame pre-hooking support
Safety belt
Frame fixing screw
Fig.25.
Gasket "A"
Gasket "B"
Air discharge
Fig.26-28.
Water inlet
Water outlet
Air purge valve
Water purge valve
22 42 GW
Fig.30.
Ring nut
O-ring
Coil coupling
See diagram supplied with the kit.
Adaptor
O-ring
Coil coupling
Fit the reducers and O-rings towards the coil
connection.
Fig.31
Automatic operation position
Thermo-electric valve head
Valve body
Fig.33.
230V valve connection or 230V valve relay
connection
P P P P P
Heating valve or heating valve relay
Q Q Q Q Q Cooling valve or cooling valve relay
Fig.34.
Fan speed
Heat
Cool
H H H H H high speed
M M M M M medium speed
L L L L L low speed
Fig.35.
Capacitor
Ground connection screw
Electronic board
Relay board E-HTR (only on models with electric
heater)
Holes for panel fixing screws
Auxiliary board (accessory)
Fan connector
C
V
C Float connector
G
Pump connector
C
P
R R R R R Electric heater supply connection
S S S S S
Unit power supply connection
T T T T T Polarised connector
Fig.37-38.
Power supply cable
Electronic board
A A A A A Supply terminal block
Ground pin
Fig.39-40.
X X X X X
Power supply cable way
(mod. 004 -008- 010)
Y Y Y Y Y Power supply cable way
(mod. 012 -016- 020)
Fig.42.
Valve connection: the wiring diagram is to be
selected according to the type of plant
Cooling (2 tubes)
Cooling, Heating (2 tubes)
Cooling, heating (4 tubes)
Fig.43.
Power supply cable (H07 RN-F)
Electric heaters power supply cable
(H07 RN-F)
Thermostat cable
Valve cables
Fig.44.
Duct connection flange
Clip
6 mm neoprene gasket
Insulated flexible duct
Fresh air intake
Conditioned air supply to an adjacent room
Polystyrene partition
Baffle
Frame
Fig.45.
Air intake grille
µ Wall
¸ Undercut door
¹ Wall-fitted grille
Door-fitted grille
Fig.46.
Winter operation diagram with fresh air intake
Electronic board
Antifreeze thermostat
Speed controller
Fresh air fan motor
Relay 230V
Fig.47.
Diagram of conditioned air supply to an
adjacent room: one louvre closed
Supply air duct to adjacent room
In case of two louvres closed, the fresh air
flow towards the adjacent room is 50%
higher compared with only one louvre
closed (with equal static external pressure)
Fig.50.
Acrylic fibre