| *A | for SFTM Made | *B | for GTMC Made |
| *1 | BLOWER ASSEMBLY | *2 | NO. 1 AIR DUCT SUB-ASSEMBLY |
| *3 | NO. 2 AIR DUCT | - | - |
| *1 | AIR FILTER CASE | *2 | AIR FILTER COVER PLATE |
| *3 | CLEAN AIR FILTER | - | - |
| *1 | BLOWER MOTOR WITH FAN SUB-ASSEMBLY | *2 | NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY |