M&C TechGroup ECS Operator's manual - Manual (Page 16)

16
Gas sampling and gas conditioning technology 3-4.1-ME
Figure 4 shows the electrical connections at the plastic housing behind the front panel of the EC/ECS
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
Supply
main
18
19
20 L
N
PE
EC automatic
control electronics
27 28 30 31 32 29
NC
MC
NO NC
MC
NO
Status alarm
to PG 13,5 to PG 13,5
ECS EC
Clamp connection X0 (from model nos. 96...)
Figure 5 Electrical sockets
For location of the clamp X0 see Fig.4 .
Figure 6 Pin configuration from model nos. 96...
Two PG 13.5 cable glands are provided for the cable bushings through the base plate of the cooler
casing. Further details are given in the pin configuration in Figure 5 below.
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