Service Manual

Page
29
4.8 Heat Exchanger
The copper heat exchanger has different size and fin amounts according to the appliance model (160
or 199). This configuration ensures the sealed heat transfer from the flame heat to the water that
flows through the copper pipes.
Figure 22 – Heat exchanger
To disassemble the heat exchanger from the entire heat cell the necessary steps are the following:
1. Disassemble the heat cell from the appliance (See Section 4.4)
2. Remove burner (8 screws). Remove condensing unit (8 screws).
3. The seals must be always replaced when the heat exchanger is disassembled.
29