diff --git a/main.py b/main.py
index e4751f9..e77b395 100644
--- a/main.py
+++ b/main.py
@@ -22,12 +22,13 @@ db = DataBaseInflux(
     bucket="allmende_db"
 )
 
-hp = HeatPump(device_name='hp_master', ip_address='10.0.0.10', port=502)
+hp_master = HeatPump(device_name='hp_master', ip_address='10.0.0.10', port=502)
+hp_slave = HeatPump(device_name='hp_slave', ip_address='10.0.0.11', port=502)
 shelly = ShellyPro3m(device_name='wohnung_2_6', ip_address='192.168.1.121')
 wr = PvInverter(device_name='solaredge_master', ip_address='192.168.1.112')
 meter = SolaredgeMeter(device_name='solaredge_meter', ip_address='192.168.1.112')
 
-es.add_components(hp, shelly, wr, meter)
+es.add_components(hp_master, hp_slave, shelly, wr, meter)
 controller = SgReadyController(es)
 
 while True:
diff --git a/modbus_registers/.~lock.heat_pump_registers.xlsx# b/modbus_registers/.~lock.heat_pump_registers.xlsx#
deleted file mode 100644
index 5264c0f..0000000
--- a/modbus_registers/.~lock.heat_pump_registers.xlsx#
+++ /dev/null
@@ -1 +0,0 @@
-,nils,nils-ThinkPad-P52,25.09.2025 17:32,file:///home/nils/.config/libreoffice/4;
\ No newline at end of file