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Appendix 2 Schematic diagram 49
ECM3 Series Outdoor Power System User Manual
Thermal control-80W/K & 300W AC
4
8
5
-A
4
8
5
-B
+
-
-
+
0V -48V
9
5
1
6
DB9
1
2
LED+
-48V
NC
J1
1
2
J2
Micro switch
COM
+48V
A
B
COM NO
NC
1
2
PE N
L
RS485
3
4
5
6
HTR1
Optional
Heating unit
FU
KT1
KT2
HEX
LED1
LED
Lamp
HEX
AC2
300 W AC
Power cabinet (thermal control)
Heater
PTC1
PTC2
Fan2
Fan1
L
N
PE
0V
-48V
DCPD
ACPD
ACPD
To FSU
RS485
RS485
To FSU
Thermal contrl-300W AC
A
B
COM NO
NC
1
2
PE N
L
RS485
3
4
5
6
1
2
J1
1
2
J2
NC
Micro switch
COM
LED+
-48V
+48V
LED1
LED
Lamp
RS485
To FSU
AC2
300W air conditioner
ACPD
Typical air conditioner battery cabinet (themal control)
DCPD
Figure 4 Schematic diagram of power c typical air conditioner type battery cabinet