TREND SDU-LON - Manual (Page 2)

SDU-LON Installation Instructions
SDU-LON Installation Instructions TG200599 Issue 2, 6/10/08 2
3 Installation (continued)
Requirements
(continued) 2
b c
H O
2
-10 °C
+14 °F
+40 °C
+104 °F
0 %RH 90 %RH
a
Remove Front Panel 3
Route Cables
5
b
a
c
Check SDU type
4
Check SDU-LON
* If one side of the 24 Vac input power is connected
to 0 V, that side must be connected to the SDU
- (negative) terminal
+
+ +24 Vdc
24 Vdc Power
Supply
SDU
0 Vdc
+ +24 Vac (L)
24 Vac Power
Supply
SDU
+24 Vac (N)
24 Vdc
15 mA
24 Vac
15 mA
*
O
I
S P E N G
1 2 3 4
SDU
Configure SDU
6
to change operating mode, restrictive set, or language
a Connect Input Power b Switch on Power
24 V
Power
Supply
ensure
correct
polarity