42 Chapter 4 Maintenance
ECM3 Series Outdoor Power System User Manual
4.2.3 Replacing Heat Exchanger
Note
As the heat exchanger is heavy, at least two persons are need to cooperate when disassembling or installing the heat exchanger.
The procedures of replacing 190W/K heat exchanger are the same with those of 80W/K heat exchanger. Take the
80W/K heat exchanger as an example; the replacing procedures are as follows:
1. Disconnect all cable connections with the heat exchanger.
2. Use a socket wrench to loosen the combination of 16 nuts (M5), spring washers, flat washers used to fix the heat
exchanger from the inside cabinet door, as shown in Figure 4-6.
16
颗螺母、弹
垫、平垫组合
热交换器
16 pcs of combined nut, plain
washer and spring washer
Heat exchanger
Figure 4-6 Position of heat exchanger
3. Take out the heat exchanger from the outside of cabinet door.
4. Install a new heat exchanger and fix it with screws.
5. Reconnect all cables to the new heat exchanger, and the system should have no other alarms except door open
alarm.
4.2.4 Replacing Air Conditioner
Note
As the air conditioner is heavy, at least two persons are need to cooperate when disassembling or installing the air conditioner.
Procedures for replacing the 1500W air conditioner and 300W air conditioner are the same, this manual takes 1500W
air conditioner for example, and the replacing procedures are as follows:
1. Turn off the AC distribution MCBs and DC power supply in thermal control unit, and disconnect all the cable
connections with the air conditioner.