YASKAWA A1000 Technical Manual

7.4 Cooling Fan and Circulation Fan
YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual 403
Periodic Inspection & Maintenance
7
3. Turn the fan unit over and replace the circulation fans.
Figure 7.47
Figure 7.47 Replacing the Circuit Board Cooling Fans
4. Place the cooling fan connectors and guide the lead wires so that they are held in place by the cable hooks.
Figure 7.48
Figure 7.48 Cooling Fan Wiring: Models 4A0930 and 4A1200
5. Replace the circuit board cooling fans.
Note: Figure 7.49 shows the right side circuit board cooling fan.
Figure 7.49
Figure 7.49 Replacing the circuit board cooling fans: Models 4A0930 and 4A1200
6. Position the protective tube so that the fan connector sits in the center of the protective tube. (Only for circuit
board cooling fans).
A – Cooling Fan C – Cooling Fan Connector
B – Fan Unit Case
A – Circuit Board Cooling
Fan
B – Circuit Board Cooling
Fan Case
A
C
B
Circulation Fan B10 Circulation Fan B9
Fun Unit Case (R)
Circulation Fan B8 Circulation Fan B7
Hook
Relay Connector
Hook
Fun Unit Case (L)
Relay Connector
A
C
B
Protective tube

YASKAWA A1000 Specifications

General

Type	AC Drive
Series	A1000
Input Voltage	200-240V, 380-480V
Frequency Range	0-400 Hz
Horsepower Range	0.5 to 1000 HP
Power Range	0.4 to 630 kW
Control Method	V/f Control
Overload Capacity	150% for 60 seconds
Braking	Dynamic Braking
Communication	Modbus
Safety	Safe Torque Off (STO)
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheat
Operating Temperature	-10 to +50°C
Storage Temperature	-20 to 60°C
Humidity	5 to 95% RH (non-condensing)
Enclosure	IP20