diff --git a/platformio.ini b/platformio.ini
index 00ee471..c45635d 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -10,10 +10,10 @@
 [platformio]
 
 
-default_envs = CRAH_TxAir_BASX_TCP_PHXA7 ; Select here the name of the configuration you want to download
+default_envs = CH_York_YVA_RTU_PHXA7 ; Select here the name of the configuration you want to download
 
 [env]
-upload_port = COM12
+upload_port = COM15
 
 [common_env_options]
 framework = arduino
diff --git a/src/BMS/CHILLER/CH_York_YVA_RTU_PHXA7/config.h b/src/BMS/CHILLER/CH_York_YVA_RTU_PHXA7/config.h
index c9ad044..c3dec4a 100644
--- a/src/BMS/CHILLER/CH_York_YVA_RTU_PHXA7/config.h
+++ b/src/BMS/CHILLER/CH_York_YVA_RTU_PHXA7/config.h
@@ -40,7 +40,7 @@
   const int RX_PIN = 17;        /**< @brief The GPIO pin used for receiving data (RX). */
   const int TX_PIN = 16;        /**< @brief The GPIO pin used for transmitting data (TX). */
   const int RST_PIN = 4;        /**< @brief The GPIO pin connected to the RS485 driver's DE/RE pins for direction control. */
-  const int MODBUS_ID = 6;      /**< @brief The unique slave ID for this device on the Modbus bus. */
+  const int MODBUS_ID = 111;      /**< @brief The unique slave ID for this device on the Modbus bus. */
   /** @} */
 
   /** @brief Global instance of the Modbus RTU server. */