INVT BD Series User Manual

6.3 EPS Connection( apply to I Version and E Version only)
BD series inverter has On and Off grid function, the inverter will
deliver output power through AC port when the grid is on, and it will
deliver output power through EPS port when the the grid is off.

I Version & E Version
BD series inverter provides two versions for customer to choose based
on the local rules.
"I Version" means inverter has an build-in changeover switch. This
version applies to the wiring rules which requires Neutral line of
alternative supply must not be isolated or switched.(applies to wiring
rules AS/NZS3000:2014 of Australia and New Zealand.)"E Version" means
inverter needs to install an external changeover device for EPS
function. This version applies to the wiring rules which allows Neutral
line of alternative supply can be isolated or switched.( applies to most
of the countries)

Auto & Manual
EPS function can be achieved automatically or manually according to
user's wishes. For "I Version" inverter, EPS function can only be
triggered automatically.
For "E Version" inverter, EPS function can be triggered either
automatically or manually according to user's preference.
If user wants to use this function manually, it will need to be
installed an external switch. Please refer to specific wiring diagram
below.
For automatical solution, please contact our sales.
-
Battery
PE
N-BAR
E -BAR
PV2+
PV2 -
RCD
EPS Load
I
Version
PV1+
PV1 -
RCD
Load
L
L
N
I Version Auto Do not required for Changeover Switch
EPS
AC
EPS breaker: refer
to Table 5(page 28)
RCD: type A
wired by manufactor
required for installation
RCMB
+
L
I I
L
+
Battery
E -BAR
PE
PV2+
PV2 -
L
L
-
E
Version
PV1+
PV1 -
RCD
Load
RCMB
RCD
L
EPS
Load
L
N
E Version Manual Required for Changeover Switch
AC
RCD: type A
wired by manufactor
required for installation
EPS
changeover device( DPDT)
+
-
Battery
E -BAR
PE
PV2+
PV2 -
RCD
EPS Load
L
E
Version
PV1+
PV1 -
RCD
Load
RCMB
L
L
N
E Version Auto Required for Changeover Switch
AC
RCD: type A
wired by manufactor
required for installation
EPS
Contactor Device
Contactor
Please contact our sales for any compatible contactor purchase requirement
Note!
In case of discrepancies between wiring mode of local
policy and the operation guide above, espescially for the
wiring of neutral line, grounding and RCD, please contact
us before any operation!
Electrical Connection
26 27
Electrical Connection
EPS breaker: refer
to Table 5(page 28)
EPS breaker: refer
to Table 5(page 28)
L
PE
PE

INVT BD Series Specifications

General

Brand	INVT
Model	BD Series
Category	Inverter
Language	English