YASKAWA A1000 Technical Manual

7.4 Cooling Fan and Circulation Fan
YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual 399
Periodic Inspection & Maintenance
7
2. Place the cooling fan connectors and guide the lead wires so that they are held in place by the cable hooks.
Figure 7.36
Figure 7.36 Cooling Fan Wiring: 4A0515 and 4A0675
3. Turn the fan unit over and replace the circulation fans.
Figure 7.37
Figure 7.37 Fan Unit Disassembly: 4A0515 and 4A0675
4. Turn over the cooling fan unit. Guide the lead wires so that they are held in place by the cable hooks and place
the circulation fan connectors between the fan and fan unit.
Figure 7.38
Figure 7.38 Cooling Fan Wiring: 4A0515 and 4A0675
5. Replace the cooling fans
Figure 7.39
Figure 7.39 Fan Unit Disassembly: 4A0515 and 4A0675
A – Circulation Fan C – Fan Unit Case
B – Cooling Fan Connector
A – Circuit Board Cooling Fan C – Relay Connector
B – Circuit Board Cooling Fan Case
Cooling Fan B1
Relay Connector Relay Connector Relay Connector
Cooling Fan B2 Cooling Fan B3
A
B
C
Circulation Fan B5 Circulation Fan B4
A
C
B

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