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@bjeanes
Created October 25, 2023 01:36
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sungrow battery maintenance home assistant
automation:
- id: dbd6c805-f5cf-4c8b-9224-6163a460d620
alias: Inverter - battery maintenance # full cycle discharge and re-charge
trigger:
# TODO trigger when the battery charge/discharge today registers are below some threshold (however these registers
# aren't resetting the way they should currently)
# In meantime, we'll just do this at the once per month
- platform: time
at: "01:00:00" # 1 am
condition:
- condition: template
value_template: "{{ now().day == 1 }}" # but only on first of the month
variables:
ems_mode: |
{% set ems = states('sensor.inverter_ems_mode_raw') | int(default=0) %}
forced_battery_mode: |
{% set mode = states('sensor.inverter_forced_battery_mode_raw') | int(default=0) %}
action:
# snapshot scene of current charge/discharge power and reserve battery %
- service: scene.create
data:
scene_id: inverter_battery_maintenance
snapshot_entities:
- input_number.inverter_forced_mode_battery_power
- input_number.inverter_battery_reserve
# set reserve battery power to 0
- service: input_number.set_value
target:
entity_id: input_number.inverter_battery_reserve
data:
value: 0
# set charge/discharge power to 1kW
- service: input_number.set_value
target:
entity_id: input_number.inverter_forced_mode_battery_power
data:
value: 1000
- service: script.inverter_force_battery_discharge
- delay: 00:00:30
# Wait until no further battery power to become idle
- wait_for_trigger:
- platform: state
entity_id: sensor.inverter_battery_power_raw
to: 0
for:
minutes: 5
# Start charging steadily at charge power until it becomes idle (reaches its max)
- service: script.inverter_force_battery_charge
- delay: 00:00:30
# Wait until no further battery power to become idle
- wait_for_trigger:
- platform: state
entity_id: sensor.inverter_battery_power_raw
to: 0
for:
minutes: 5
- service: script.inverter_force_battery_stop
- delay: 00:00:10
# Apply snapshotted scene from beginning of automation
- service: scene.apply
data:
scene_id: inverter_battery_maintenance
# Reset the battery mode to whatever it was before
- service: modbus.write_register
data_template:
address: 13049 # 13050-13051
slave: 1
value:
- "{{ ems_mode }}"
- "{{ forced_battery_mode }}"
hub: SungrowSHx
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