Growatt SPA 1000TL - 5.4.2 Connection of battery terminal

15
16
Fig 5.15
Fig 5.16
•This diagram is an example for Australian and New Zealand grid system where neutral
line can't be switched.
This diagram is an example for customer who only want to use the on grid storage system .
Declaration for EPS load
Please make sure the EPS load power is within the SPA output rating, otherwise SPA will
shutdown with an EPS Volt Low warning. Three times EPS Volt Low will cause overload
warning .EPS function will be locked one hour and output power again.
•Accepted EPS loads, Television, computer, fridge, fan, lamps, microwave oven, electric
rice cooker,small power air conditioner and routers etc.
•Unaccepted EPS loads, with high power than SPA output rating and high inrush current
at start-up.
NOTICE:
•If you want to use on grid only, please refer to Fig 5.16 to connect with AC grid and
float EPS output.
•If you want to use both on grid power and back up power ,please refer to Fig 5.14 and
5.15. connect with AC grid and EPS OUTPUT like the chart show.
•AC grid terminal and EPS terminal can't directly connect together.
•EPS terminal can't connect to grid.
•If you want to use on grid and off grid, you can use ATS (Automatic transfer switch) or
EPS Changeover Switch(Manual switch) like Fig 5.14 and 5.15 before or ask Growatt for
help to connect them.
•The first start of system needs the Grid power.
Install battery steps are as follows:
•Open the waterproof cover.
•Thread cables through pressure screw, seal ring, threaded sleeve, waterproof cover.
•Thread cables into connection terminal, then press the terminal by relevant tools and
make sure battery cables are firmly (Growatt lithium battery contains a battery cable in
the original packing）.
•Connect positive pole (+) of battery cable to battery positive terminal (+) of the inverter,
connect negative pole (-) of battery cable to battery negative terminal (-).
5.4.2 Connection of battery terminal
a
b
Fig 5.17
Fig 5.18
Growatt
PE
RCD
SPA Inverter
Home
Loads
Battery
GRID
PE-BAR
Sensor
L
N
BAT+
BAT-
Growatt
Powering tomorrow
Growatt
PE
RCD
RCD
SPA Inverter
Home
Loads
EPS
Loads
Battery
GRID
PE-BAR
Sensor
SPDT
L
N
L
N
BAT-
BAT+
Growatt
Powering tomorrow