Installation
44
4.1.4 LOAD SWITCHING AND V1 GENERATOR VOLTAGE SENSING
PIN
No
DESCRIPTION CABLE
SIZE
NOTES
39 Output relay C
1.0mm
AWG 18
Normally configured to control mains contactor coil
(Recommend 10A fuse)
40 Output relay C
1.0mm
AWG 18
Normally configured to control mains contactor coil
41 Output relay D
1.0mm
AWG 18
Normally configured to control generator contactor coil
(Recommend 10A fuse)
42 Output relay D
1.0mm
AWG 18
Normally configured to control generator contactor coil
V1
43
Generator L1 (U) voltage
monitoring
1.0mm²
AWG 18
Connect to generator L1 (U) output (AC)
(Recommend 2A fuse)
44
Generator L2 (V) voltage
monitoring input
1.0mm²
AWG 18
Connect to generator L2 (V) output (AC)
(Recommend 2A fuse)
45
Generator L3 (W) voltage
monitoring input
1.0mm²
AWG 18
Connect to generator L3 (W) output (AC)
(Recommend 2A fuse)
46 Generator Neutral (N) input
1.0mm²
AWG 18
Connect to generator Neutral terminal (AC)
NOTE:- The above table describes connections to a three phase, four wire alternator. For
alternative wiring topologies, please see the ALTERNATIVE AC TOPOLOGIES section of this
manual.
4.1.5 V2 BUS/MAINS VOLTAGE SENSING
PIN
No
DESCRIPTION CABLE
SIZE
NOTES
V2
47
Bus/Mains L1 (R) voltage
monitoring
1.0mm
AWG 18
Connect to Mains L1 (R) incoming supply (AC)
(Recommend 2A fuse)
48
Bus/Mains L2 (S) voltage
monitoring
1.0mm
AWG 18
Connect to Mains L1 (S) incoming supply (AC)
(Recommend 2A fuse)
49
Bus/Mains L3 (T) voltage
monitoring
1.0mm
AWG 18
Connect to Mains L1 (T) incoming supply (AC)
(Recommend 2A fuse)
50 Bus/Mains Neutral (N) input
1.0mm
AWG 18
Connect to Mains N incoming supply (AC)
NOTE:- Mains connection is used for sensing of the mains or other supply voltage during
“fixed export” operation. Bus connection is used for sensing of the common bus voltage
during “multiset load