NuAire AIRMOVER DSA Series Installation And Maintenance Manual page 11

Installation and Maintenance AIRMOVER DSA AXIAL UNITS
Wiring Diagram DSA Units
Note: For general guidance only. Specific motor wiring
information is included with individual fan units.
Single Speed 1 phase
Fan
T1 T2
unit
Note:
When T1 & T2 are
fitted, connect as
shown.
NOTE:
Remove link between
X+L when using a
speed control
230V 1 phase 50Hz supply
Speed Control, ELECTRONIC 1 phase
Fan
T1 T2
unit
Note:
When T1 & T2 are
fitted, connect as
shown.
Control
L N L2 N L1
L N
230V 1 phase 50Hz supply
Speed Control, TRANSFORMER 1 phase
Fan
T1 T2
unit
Note:
When T1 & T2 are
fitted, connect as
shown.
Control
L N L2 N N
L N
230V 1 phase 50Hz supply
X L N
L N
X L N
X L N
L1
Single Speed 3 phase
Fan
T1 T2 U1 V1 W1
unit
Do not
connect
To Starter
Control Circuit
(where fitted)
L1 L2 L3
400V 3 phase 50Hzsupply
Speed Control, TRANSFORMER 3 phase
Fan
T1 T2 U1 V1 W1
unit
To Starter
Control Circuit
(where fitted)
L1 L2 L3 N
400V 3 phase50Hz supply
3 phase for STAR /DELTA STARTING
Note:
For all D.O.L. (Direct On Line) operation
or Inverter type Speed Control wire in DELTA
STAR
L1 - U1
L2 - V1
L3 - W1
Link W2, U2, V2
DELTA
L1 - U1 - W2
L2 - V1 - U2
L3 - W1 - V2
N L2 U V W
Control
U1
V1
W1
W2
U2
V2
T1
Thermal overload
}
protection
(when fitted).
T2
11