M&C TechGroup EC-30_FD Operator's manual - Manual (Page 17)

17
Gas sampling and gas conditioning technology 3-4.20-ME
Figure 6 shows the location of the terminal X0 behind the front panel of the EC-30 casing (fig. 2).
Power supply : 230V/50Hz or 115V/60Hz (see type plate)
Status alarm : two potential free changeover contacts
Contact rating : 250V AC, 2A, 500VA or
250V DC, 2A, 50W
Figure 6 Position of terminal X0
Two PG 13,5 cable glands are provided for the cable bushings through the base plate of the cooler
casing. Power and alarms have to be connected as shown in the pin configuration in Figure 7 below:
Figure 7 Electrical connections
1 2 3 4 5 6 7 8 9 10
NC MC NO NC MC NO PE N L
X0
Power connection to
EC electronics
Alarm connection to
EC electronics
Power In
by customer
Alarm connection by
customer
EC-electronic
Pre-cooler
EC30-electronic
deep
cooler
EC30 power supply
Terminal X0
Solenoid valve
Sample gas switching
from deep
cooling stage  from deep
cooling stage 
2 x PG 13,5