8 HTR1 - U8 true 8 1 Si-Source TANK HTR1 Control 8 2 Si-Source TANK HTR2 Control 8 3 Si-Source TANK HTR3 Control 8 4 Si-Source AV&MFC Control 8 5 C-Source TANK HTR1 Control 8 6 C-Source TANK HTR2 Control 8 7 C-Source TANK HTR3 Control 8 8 C-Source AV&MFC Control 8 9 Spare UnUsed 8 10 Spare UnUsed 8 11 Spare UnUsed 8 12 Spare UnUsed 8 13 Spare UnUsed 8 14 Spare UnUsed 8 15 Spare UnUsed 8 16 Spare UnUsed