A.O. Smith TWI 35-200, Installation, User And Service Manual

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Index
Switch to ON mode..............................23
A
About the water heater........................ 27
About this manual................................. 7
Air pressure differential ....................... 50
Ambient conditions ............................. 37
Appendices.........................................81
Appliance Status................................. 59
Appliance information.......................... 61
Assemble the burner............................70
C
C13/C33 concentric systems................. 43
C13/C33 parallel systems..................... 45
C43/C53/C63 systems ........................ 47
CO
2
value...........................................51
Circulation connection ......................... 40
Clean the air inlet filter........................ 70
Clean the burner................................. 69
Clean the condensate drain...................68
Cold water connection..........................39
Commissioning................................... 49
Compliance.......................................... 4
Condensate drain................................ 40
Conditions.......................................... 37
Contact information ..............................5
Control Switch.................................... 19
Conversion of gas type.........................55
Copyright.............................................3
D
Declaration of conformity..................... 87
Decommisioning..................................52
Descale the tank................................. 68
Dimensions........................................ 82
Display......................................... 19, 57
Display buttons .................................. 20
Display settings...................................59
Displayed errors..................................75
Disposal............................................. 33
Document identification ........................ 8
Draining ............................................53
E
Electrical connections...........................48
Electrical wiring diagram...................... 86
Energy labeling................................... 85
Environmental aspects......................... 33
Error history....................................... 62
Error occurrence................................. 63
Errors and warnings ............................73
External ON mode............................... 22
External ON mode switch (optional)....... 49
F
Filling ............................................... 49
Finalization................................... 49, 71
G
Gas connection .................................. 40
Gas details......................................... 84
Gas supply pressure............................ 50
Gas-side maintenance..........................68
General errors.................................... 73
H
Hot water connection........................... 40
Hysteresis.......................................... 58
I
Ignition attempts................................ 62
Installation......................................... 37
Installation diagram.............................38
Installation, Maintenance and Service part
........................................................ 25
Instructions on the water heater............30
Interface ........................................... 19
Introduction.................................. 15, 27
Isolate from the mains......................... 24
L
Liability ...............................................3
M
Mains power....................................... 49
Maintenance....................................... 67
Maximum floor load............................. 37
0313279_TWISTER II_UKUK_
V1.1, 18-02-2019
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