3.4 ELECTRONIC MONITORING AND CONTROL SYSTEM ECS OPERATION Level 4: Inputs - Outputs / DIGITAL-OUTPUTS / Y14b-2 VALVE FAN DRIVE 2 RADIATOR (medium speed) -4- Output signals | OPERATE KEY SWITCH -4- Valve fan drive 2 radiator | 0 | 1 | Y14b-2 (A3.8): Level 4: Inputs - Outputs / DIGITAL-OUTPUTS / Y17 VALVE PUMP REGULATION QMIN -4- Output signals | OPERATE KEY SWITCH -4- Valve pump regulation Qmin | 0 | 1 | Qmin Y17 (A1.4): Level 4: Inputs - Outputs / DIGITAL-OUTPUTS / Y17a VALVE WARMING-UP TIME 1/2 QMAX -4- Output signals | OPERATE KEY SWITCH -4- Valve warming-up time | 0 | 1 | 1/2 Qmax Y17a (A1.6): Level 4:
Inputs - Outputs / DIGITAL-OUTPUTS / Y53-1 Y53-2 GEAR OIL COOLER 1 / 2 BACK - PRESSURE -4- Output signals | OPERATE KEY SWITCH -4- Cooler 1 Y53-1 (A13.3): | 0 | 1 | Cooler 2 Y53-2 (A13.4): Level 4: Inputs - Outputs / DIGITAL-OUTPUTS / Y101 VALVE OIL COOLER BACK-PRESSURE -4- Output signals | OPERATE KEY SWITCH -4- Valve oil cooler back-pressure | 0 | 1 | Y101 (A5.4): Level 4: Inputs - Outputs / DIGITAL-OUTPUTS / Y124a VALVE SERVICE ARM LIFT -4- Output signals | OPERATE KEY SWITCH -4- Valve service arm lift | 0 | 1 | Y124a (A5.5): 156