1 - the storage battery; 2 - fuse IG2 (30 A); 3 - fuse BLOWER (30 A); 4 - fuse ROOM (10 A); 5 - the switch (lock) of ignition; 6 - fuse SR / ACC (10A); 7 - the relay of the fan; 8 - electric fan heater; 9 - additional resistance; 10 - the block of management of a heater and air conditioning; 11 - damper actuator; 12 - thermal switch; 13 - air quality sensor