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@ -290,14 +290,14 @@ Ok, I think that's enough for this appendix, this is a controller page, and not
## Appendix D: Firmware options and fine-tuning
QA tests, uncomment to enable.
QA tests, uncomment to enable
```c
//#define SELFTEST_RELAYS_LEDS_SPEAKER //speaker and relays QA test, uncomment to enable
//#define SELFTEST_EEV //EEV QA test, uncomment to enable
//#define SELFTEST_T_SENSORS //temperature sensors QA test, uncomment to enable
```
Communication protocol with an external world. Choose one.
Communication protocol with an external world. Choose one
```c
//#define RS485_JSON 1 //JSON, external systems integration
@ -329,18 +329,18 @@ Temperature sensors used in a system, comment to disable
```c
#define T_cold_in; //cold side (heat source) inlet sensor
#define T_cold_out; //cold side outlet sensor
#define T_before_evaporator; //"before" and "after evaporator" sensors are required to control EEV, both "EEV_ONLY" and "full" schemes
#define T_after_evaporator; //"before" and "after evaporator" sensors are required to control EEV, both "EEV_ONLY" and "full" schemes
#define T_before_evaporator; //"before" and "after evaporator" sensors required to control EEV, both "EEV_ONLY" and "full" schemes
#define T_after_evaporator; //"before" and "after evaporator" sensors required to control EEV, both "EEV_ONLY" and "full" schemes
#ifdef SETPOINT_TS1
#define T_sensor_1; //T values from the additional sensor S1 are used as a "setpoint" in "pool" or "water tank heater" schemes
#define T_sensor_1; //T values from the additional sensor S1 used as a "setpoint" in "pool" or "water tank heater" schemes
#endif
//#define T_sensor_2; //additional sensor, any source, for example: outdoor temperature, in-case temperature, and so on
#define T_crc; //if defined: enables crankcase T sensor and crankcase heater on relay 4
//#define T_regenerator; //an additional sensor, the regenerator temperature sensor (inlet or outlet or housing) is used only to obtain a temperature data if necessary
//#define T_sensor_2; //additional sensor, any source; for example, outdoor temperature, in-case temperature, and so on
#define T_crc; //if defined, enables the crankcase T sensor and crankcase heater on the relay "Crankcase heater"
//#define T_regenerator; //an additional sensor, the regenerator temperature sensor (inlet or outlet or housing); used only to obtain a temperature data if necessary
#define T_afrer_condenser; //after condenser (and before valve)
#define T_before_condenser; //before condenser (discharge)
#define T_hot_out; //hot side outlet
//in full scheme Hot IN required! optional in "EEV_ONLY" scheme (see "EEV_ONLY" option),
//In full scheme Hot IN required! Optional in "EEV_ONLY" scheme (see "EEV_ONLY" option),
#define T_hot_in; //hot side inlet
```