Samlexpower Evolution EVO-2212 Owner's Manual page 67

SECTIOn 4 |
legend for fig 4.1(a)
K2 Transfer relay (40A) for Grid, Line
K3 Transfer relay (40A) for Generator, Line
K4 relay (40A) for Neutral to Ground bond Switching
4, 3 Normally Closed Contacts
4, 5 Normally Open Contacts
QD Quick Disconnect (13, fig 3.9) for disconnecting Output Neutral to Chassis Ground bond in
Inverting Mode (Default - connected)
NOTE: relays are de-energized in Inverting Mode and are energized in Charging Mode
NEUTRAL
INVERTING
CHARGING
BI-DIRECTIONAL
TRANSFORMER
LINE
fig 4.1(b) operation of transfer relay and neutral to ground bond Switching in evo-3012 and evo-4024
legend for fig 4.1(b)
K2 DPDT Transfer relay (70A) for Grid, Line
K3 DPDT Transfer relay (70A) for Generator, Line
K4 DPDT Transfer relay (70A) for Neutral to Ground bond Switching
7,1 and 9,3 Normally Closed Contacts
7,4 and 9,6 Normally Open Contacts
QD Quick Disconnect (13, fig 3.9) for disconnecting Output Neutral to Chassis Ground
bond in Inverting Mode (Default - connected)
NOTE: relays are de-energized in Invertering Mode and are energized in Charging Mode
general Description & Principles of Operations
K4
1
4
7
3
6
9
K2
1
4
7
3
6
9
K3
1
4
7
3
6
9
Two 35A each poles are paralleled for 70A capacity
–
Two 35A each poles are paralleled for 70A capacity
–
Two 35A each poles are paralleled for 70A capacity
–
QD
METAL CHASSIS
GROUND OF THE UNIT
GEN AC OUTPUT GRID GEN
LINE LINE LINE GND
OUTPUT GRID GEN
GND GND NEUTRAL NEUTRAL
SAMLEX AMErICA INC. | 67
OUTPUT GRID
NEUTRAL