4
Electrical installation
All electrical installations must be done by an authorized company according to national rule and regulation.
Cable entries in the unit
Cables can be pulled hidden into the unit via insertion holes in the housing. See the mounting instruction
(”FutureVent Install
WFV_WFB_WFR_WFC_WFD_
WFS_WFG_UK_DE_DK_xxxx”) for further details. Cables must be relieved according to
applicable rules and would benefit from being stripped near the intake holes.
The connections of the
FutureVent™ unit
The connections terminals of the unit. See
connection diagram for further information.
Text on the connection PCB
UK translation
Used
L: Fase
Phase
X
N: Nul
Null
X
PE: Jord
Protective earth
X
X22:
FutureVent™ bus
FutureVent™ bus
X
X21:
FutureVent™ bus
FutureVent™ bus
X
X10: 12V Out
12V Out
X
X9: NPN Out
X8: 0-10V Out
X7: Temp-sensor
X6: Fugtsensor
X5: CO2-sensor
X4: 0V
X3: Analog 2
Analogue 2
X
X2: 0V
0V
X
X1: Fan-speed
Fan speed
X
For further information, please see the project specific electrical documentation.
Service point
For each four master-units a service point must be established. The service point is used in connection with maintenance and
programming of the installation. The connection point is integrated in the WindowMaster
®
interface (WFI). The interface must be
accessible without the need for ladder or scaffold. The termination unit is necessary as the FutureVent
™ bus must be
terminated. Max one termination unit on the bus.
FutureVent
™ bus termination unit. Connect the termination unit to the FutureVent™ bus in the terminals COM and
FREE, see electrical documentation from WindowMaster
®
.
FutureVent
™ bus connection
The FutureVent
™ bus cable must be twisted pair. The below listed twisted pair cable types, are approved for FutureVent™ bus
connections:
Cable type
Max cabel- / bus-length
Largest distance between
2 FutureVent™ units
Total cable length
Honeywell cable 1125
500m
500m
Belden 85102
500m
500m
Belden 8471
400m
500m
Solar A/S, 54.83.512.013, LON-Bus 2x2AWG 22
400m
500m
Cat 5e (not recommended by WindowMaster
®
)
250m
450m
