MCS XL 9ERM, User And Maintenance Book, Page: 26 / 82

15
Electrical system
L Phase
N Neutral
TA Room thermostat
IN Switch ON/OFF
FR Photo-resistance
MV Fan Motor
EV1 Solenoid valve
X2 B/5 Power supply connector
Figure 21 - XL 9ERM Electrical system
Figure 11 and Figure 12 show the electrical systems for the XL 9ERM and XL 9SRM heaters. These
electrical systems highlight how all the various parts that contribute to the machine's correct operation have
been connected.
L Phase
N Neutral
TA Room thermostat
IN Switch ON/OFF
IP Power switch
FR Photo-resistance
MV Fan Motor
EV1 Solenoid valve 1st Flame
stage
EV2 Solenoid valve 2nd Flame
stage
X2 B/5 Power supply connector
Figure 22 - XL 9SRM Electrical system
XL 9ERM
XL 9SRM