6.0 Wiring
Wiring connections for units size 4, 4H, 5, 6 and 7
with basic control
Fig 5:
Wiring connections for units size 1, 2, 2H, 3
with basic control
Fig 6:
Isolator by others
230V~50Hz
N
L
N
L
+
V
1
-1
0
V
S
IG
0
V
0
V
Speed control signal
<IV = fan off. Alternatively
link from +V to SIG for
max speed
TK
TK
Motor Thermal
Overload
Isolator by others
230V~50Hz
N
L
N
L
+
V
1
-1
0
V
S
IG
0
V
0
V
Speed control signal
<IV = fan off. Alternatively
link from +V to SIG for
max speed
T
Tach output
open collector
1 pulse per
revolution
electrically
isolated
Isolation - Before commencing work make sure that
the unit and Nuaire control are electrically isolated
from the mains supply.
3
09. 04. 15. Leaflet Number 671680
Installation, Operating and Maintenance Instructions
DAVE Extract Fans (BC Models)