OPERATION 3.4 ELECTRONIC MONITORING AND CONTROL SYSTEM ECS Level 4: Inputs - Outputs / DIGITAL-OUTPUTS / Y6b-1 VALVE FAN DRIVE 1 OIL COOLER (medium speed) -4- Output signals | OPERATE KEY SWITCH -4- Valve fan drive 1 oil cooler | 0 | 1 | Y6b-1 (A3.3): Level 4: Inputs - Outputs / DIGITAL-OUTPUTS / Y6b-2 VALVE FAN DRIVE 2 OIL COOLER (medium speed) -4- Output signals | OPERATE KEY SWITCH -4- Valve fan drive 2 oil cooler | 0 | 1 | Y6b-2 (A3.4): Level 4: Inputs - Outputs / DIGITAL-OUTPUTS / Y14a-1 VALVE FAN DRIVE 1 RADIATOR (minimum speed) -4- Output signals | OPERATE KEY SWITCH -4- Valve fan drive 1 radiator | 0 | 1 | Y14a-1 (A3.5): Level 4:
Inputs - Outputs / DIGITAL-OUTPUTS / Y14a-2 VALVE FAN DRIVE 2 RADIATOR (minimum speed) -4- Output signals | OPERATE KEY SWITCH -4- Valve fan drive 2 radiator | 0 | 1 | Y14a-2 (A3.6): Level 4: Inputs - Outputs / DIGITAL-OUTPUTS / Y14b-1 VALVE FAN DRIVE 1 RADIATOR (medium speed) -4- Output signals | OPERATE KEY SWITCH -4- Valve fan drive 1 radiator | 0 | 1 | Y14b-1 (A3.7): 155