9 Repair
Thermo 90
910
9.2.8 Replacement of Heat Exchanger
9.2.8.1 Removal
1. Remove heater (see 8.7.1.1).
2. Remove circulation pump (see 9.2.2.1).
3. Remove temperature limiter (see 9.2.3.1).
4. Remove temperature sensor (see 9.2.4.1).
5. Remove combustion air fan (see 9.2.5.1).
6. Remove burner, flame sensor, and glow plug
(see 9.2.6.1).
7. Remove burner head (see 9.2.7.1).
8. Remove connector and connector housing.
9. Perform procedures on components after
disassembly (see 9.1.1).
9.2.8.2 Installation
1. Clip connector housing onto heat exchanger and
engage connector in connector housing.
2. Install burner head (see 9.2.7.2).
3. Install burner, flame sensor, and glow plug
(see 9.2.6.2).
4. Install combustion air fan (see 9.2.5.2).
5. Install temperature sensor (see 9.2.4.2).
6. Install temperature limiter (see 9.2.3.2).
7. Install circulation pump (see 9.2.2.2).
8. Install heater (see 8.7.1.2).
Summary of Contents for Thermo 90
Page 9: ...1 Introduction 104 Page free for notes ...
Page 13: ...2 General Description Thermo 90 204 Page free for notes ...
Page 18: ...Thermo 90 3 Functional Description 305 Page free for notes ...
Page 20: ...4 Technical Data Thermo 90 402 Page free for notes ...
Page 26: ...6 Functional Tests Thermo 90 602 Page free for notes ...
Page 41: ...Thermo 90 8 Servicing 809 Page free for notes ...
Page 53: ...10 Packaging Storage and Shipping Thermo 90 1002 Page free for notes ...