T-H2-DV/T-H2-OS Service Manual
Ver. 1.01
18
CONFIDENTIAL
10. Component specifications
10-1. Burners……………………..………………………………….………………………………....………. 19
10-2. Gas manifold………….………………………………………………..……………………………..... 20
10-3. Fan motor……………………………………………………………………………………….……...… 21
10-4. Fan motor for exhaust………………………………………………………………………………. 22
10-5. Gas valve assembly………………..……………………….………………………………..………. 23
10-6. Flame rod………………………………………………………….………………………………………. 24
10-7. AFR rod……………………………………………………………………………………………….……. 25
10-8. Heat exchanger………………………………………………………………………………..……….. 26
10-9. Secondary heat exchanger………………………………………………………………………… 27
10-10. Flow sensor……………………………………..……………………………………………………..… 28
10-11. Water control valve………………………………………………….……………………………….. 30
10-12. Thermistors……….………………………..…………………………………………..……………..… 31
10-13. Exhaust thermistor…………………………………………………………………………….……... 32
10-14. Hi-limit switch…………………..…………………………………………………....................... 33
10-15. Hi-limit switch for exhaust………………………………………………………………………... 34
10-16. Overheat cutoff fuse…..…………………………………………………………..................... 35
10-17. Freeze protection heaters…………….…………………………………………………………… 36
10-18. Computer board……………….………………………………………………………………….…… 37
10-19. Transformer. ………...………………………………………………………………………………….. 38
10-20. Igniter……………………………………………………………………………………………………….. 39
10-21. Freeze protection thermostat………………………………………………………….……….. 40
10-22. Fuse box………………………………………………………………………………………………….... 41
