Instruction manual TWI 35-130 G/TWI 45-190 G
11
2
Operation of
the
device
2.1
Introduction
This chapter will cover in the given order:
• General operation of the device;
• Heating cycle of the device;
• Security of the device;
• Safety of the installation.
2.2
General operation
The
fi
gure shows a cross section of the device.
of the device
Cross section of the device
Legends IMD-0527
1. Temperature sensor / ECO
2. Insulating
layer
3. Air pressure switch
4. Burner
5. Venturi
6. Air supply pipe
7. Gas
control
8. Cover
plate
9. Hot surface igniter
10. Fan
11. Thermostat
12. Hot water outlet
13. Heat exchanger
14. Tank
15. Combustion chamber
16. Cold water inlet
17. Concentric measuring tube
18. Air supply hose
19. Flue gas discharge
20. Siphon
21. Transformer 230 VAC-120 VAC
22. Drain valve
23. Connector
24. Transformer 120 VAC-24 VAC
25. Electronic control
26. Thermostat board
27. Inspection window
IMD-0527 RO
Summary of Contents for TWI 35-130
Page 2: ...www aosmithinternational com your installer...
Page 3: ...Instruction manual TWI 35 130 G TWI 45 190 G 1...
Page 4: ...2 Instruction manual TWI 35 130 G TWI 45 190 G...
Page 6: ...4 Instruction manual TWI 35 130 G TWI 45 190 G...
Page 25: ...Instruction manual TWI 35 130 G TWI 45 190 G 23 Device types IMD 0531 R0...
Page 36: ...34 Instruction manual TWI 35 130 G TWI 45 190 G 4 Conversion to another gas category...
Page 44: ...42 Instruction manual TWI 35 130 G TWI 45 190 G 8 Shut down...
Page 58: ...56 Instruction manual TWI 35 130 G TWI 45 190 G Annex 12...
Page 61: ...Instruction manual TWI 35 130 G TWI 45 190 G 59...
Page 62: ...60 Instruction manual TWI 35 130 G TWI 45 190 G 0308 489 R1 0...
