tweak height, homing and bed temperature control

Marlin/Configuration.h

 #define Z_MIN_POS 0
 #define X_MAX_POS X_BED_SIZE
 #define Y_MAX_POS Y_BED_SIZE
-#define Z_MAX_POS 165
+#define Z_MAX_POS 200
 
 /**
  * Software Endstops
 // - Move the Z probe (or nozzle) to a defined XY point before Z Homing.
 // - Prevent Z homing when the Z probe is outside bed area.
 //
-//#define Z_SAFE_HOMING
+#define Z_SAFE_HOMING
 
 #if ENABLED(Z_SAFE_HOMING)
   #define Z_SAFE_HOMING_X_POINT X_CENTER  // X point for Z homing

Marlin/Configuration_adv.h

 // Heated Bed Bang-Bang options
 //
 #if DISABLED(PIDTEMPBED)
-  #define BED_CHECK_INTERVAL 2000   // (ms) Interval between checks in bang-bang control
+  #define BED_CHECK_INTERVAL 1000   // (ms) Interval between checks in bang-bang control
   #if ENABLED(BED_LIMIT_SWITCHING)
     #define BED_HYSTERESIS 2        // (°C) Only set the relevant heater state when ABS(T-target) > BED_HYSTERESIS
   #endif
  * Thermal Protection parameters for the bed are just as above for hotends.
  */
 #if ENABLED(THERMAL_PROTECTION_BED)
-  #define THERMAL_PROTECTION_BED_PERIOD        20 // Seconds
-  #define THERMAL_PROTECTION_BED_HYSTERESIS     2 // Degrees Celsius
+  #define THERMAL_PROTECTION_BED_PERIOD        60 // Seconds
+  #define THERMAL_PROTECTION_BED_HYSTERESIS     5 // Degrees Celsius
 
   /**
    * As described above, except for the bed (M140/M190/M303).