A.O. Smith TWI 35-130 Instruction Manual Download Page 31 | Manualshive

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Instruction manual TWI 35-130 G/TWI 45-190 G

29

Connector block

Legends

A. screws
B. cover

plate

C. connector

block

D. strain

relief

For preparation remove the cover plate (B) from the electricity part by loosening
the two screws (A).

Remark

Consult the electrical circuit diagram for connecting the electrical

components.

IMD-0534 R0

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Summary of Contents for TWI 35-130

Page 1: ...130 45 190 WATER PRODUCTS COMPANY A DIVISION OF A O SMITH CORPORATION WATER PRODUCTS COMPANY A DIVISION OF A O SMITH CORPORATION Installation User and Service Manual Installation User and Service Manu...

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 5: ...al and in conformity with the General Terms and Conditions as filed with the Chamber of Commerce For further information see the General Terms and Conditions These are obtainable from us free of charg...

Page 6: ...4 Instruction manual TWI 35 130 G TWI 45 190 G...

Page 7: ...nted 22 3 8 Gas connection 22 3 9 Air supply and flue gas discharge 22 3 10 Electrical connection 28 3 11 Check and adjust the CO2 value 30 4 Conversion to another gas category 34 5 Fill 35 5 1 Fill t...

Page 8: ...11 2 Warranty tank 51 11 3 Conditions of installation and use 51 11 4 Exclusions 52 11 5 Extent of the warranty 52 11 6 Claims 52 11 7 Obligations of A O Smith 52 12 Annex 53 12 1 Introduction 53 12 2...

Page 9: ...ructions may lead to personal injuries and damage to the device Warning In case of smelling gas No open fire No smoking Avoid sparking Do not use any electric switches including telephone plug or bell...

Page 10: ...water quality the average number of operating hours per day and the set water temperature Remark For determining the correct maintenance frequency it is advised to have the service and maintenance eng...

Page 11: ...rvice and maintenance engineer It describes the errors of the device These errors are shown on the display A table gives the possible cause and solution However an end user can also find additional in...

Page 12: ...manual TWI 35 130 G TWI 45 190 G Introduction 1 Chapter Target groups Description 11 Warranty certificate This chapter contains the terms of warranty 12 Annexes This chapter contains the electrical c...

Page 13: ...n 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 Ther...

Page 14: ...wn through the heat exchanger along the water This gradually cools down the flue gasses As the cooled down flue gasses are finally led along the cold water at the bottom of the tank as well the flue g...

Page 15: ...purged before ignition takes place This is called pre purging 2 4 5 Air pressure switch The air pressure switch guarantees discharge of flue gasses and supply of air during pre purging and operation...

Page 16: ...sorbs the overpressure The height of the water tank determines the maximum operating pressure in the tank The maximum operating pressure is 8 bars The installation shall also be equipped with an expan...

Page 17: ...in order to prevent damaging the device You can best unpack the device when it is close to or on its definite place Caution Move the device only standing up Make sure not to damage the device after u...

Page 18: ...cification for weight in connection with the maximum floor loading 3 3 3 Water composition The device is designed for heating drinking water The drinking water shall comply with the regulations for dr...

Page 19: ...ngs or lower floors in case of leakage of the tank and or connections If this is the case install the device near a floor discharge or in a metal drip tray of the right size A drip tray shall have a s...

Page 20: ...bottom views of the device IMD 0529 R1 Dimension Description TWI 35 130 TWI 45 190 A Overall height 1270 1620 D Device diameter 560 560 E Depth 730 730 G Diameter flue gas discharge air supply 80 125...

Page 21: ...water supply connection 1 NPT 1 NPT 2 Hot water outlet connection 1 NPT 1 NPT 3 Gas control burner connection 1 2 NPT 3 4 NPT 4 Drain valve connection 3 4 NPT 3 4 NPT 5 T P valve connection 1 NPT 1 NP...

Page 22: ...alve 10 manual gas valve obligatory 11 service valve 12 temperature meter optional 13 condensation drainage 14 draw off points 15 expansion valve obligatory 16 expansion vessel obligatory 17 three way...

Page 23: ...See C in the connections diagram 3 5 Connections diagram If you want to have hot water available immediately you can install a circulation pump at the draw off points This is more comfortable and avo...

Page 24: ...water discharge pipe Attention All connections downstream the siphon shall be condensation resistant Warning The installation shall be carried out by a recognised installation engineer in accordance w...

Page 25: ...Instruction manual TWI 35 130 G TWI 45 190 G 23 Device types IMD 0531 R0...

Page 26: ...length When using less than the maximum pipe length it is still not allowed to use more than the maximum number of bends All this will be explained using an example Practical example of concentric fl...

Page 27: ...minal C13 Subject Description Wall flue terminal set 1x Wall flue termi nal incl wall plate clamping strip 1x Pipe 500 mm 1x Bend 90 Item no TWI 35 130 0302 515 1 TWI 45 190 0302 515 1 Construction Co...

Page 28: ...shall be carried out for compliance of the configuration with the requirements stated in the table 3 Installation Subject Description Roof flue terminal set 1x Roof flue terminal incl clamping strip 1...

Page 29: ...material parts 1 2 3 4 and 5 The length of the transition piece need not be taken into account The total number of used bends in the flue gas discharge and air supply is eight The bend in the transiti...

Page 30: ...ption indicated in the table 3 4 2 General and electrical data 3 10 2 Preparation Caution The device is phase sensitive It is absolutely necessary to connect the phase L of the mains to the phase of t...

Page 31: ...k Legends A screws B cover plate C connector block D strain relief For preparation remove the cover plate B from the electricity part by loosening the two screws A Remark Consult the electrical circui...

Page 32: ...1 Connect phase L zero Z and earth of the power cable to the connector C 2 Mount the power cable into the strain relief D 3 Connect the power cable to the main switch 4 Remount the cover plate 3 10 4...

Page 33: ...he concentric venturi tube 2 Open the gas supply and bleed the air from the gas system 3 Switch on the voltage of the device using the main switch of the device 4 Turn the thermostat clockwise until t...

Page 34: ...iation by turning the CO2 setting screw 4 CO2 setting screw clockwise CO2 value decreases CO2 setting screw counterclockwise CO2 value increases 4 Put back the cap 3 on the CO2 setting screw 4 5 Remou...

Page 35: ...Instruction manual TWI 35 130 G TWI 45 190 G 33 4 Conversion to another gas category Conversion to another gas category is not possible...

Page 36: ...34 Instruction manual TWI 35 130 G TWI 45 190 G 4 Conversion to another gas category...

Page 37: ...6 circulation pump optional 9 drain valve 10 manual gas valve obligatory 11 service valve 12 temperature meter optional 13 condensation drainage 14 draw off points 15 expansion valve obligatory 16 ex...

Page 38: ...might be that The water piping pressure is larger than the required 8 bars Mount a pressure reducing valve 1 after all The expansion valve of the protected cold supply setup is defective or incorrectl...

Page 39: ...6 circulation pump optional 9 drain valve 10 manual gas valve obligatory 11 service valve 12 temperature meter optional 13 condensation drainage 14 draw off points 15 expansion valve obligatory 16 exp...

Page 40: ...pe A 5 Connect the discharge hose to the drain valve 9 6 Open the drain valve 9 7 Aerate the device or installation allowing it to completely empty For some activities the device needs to be drained P...

Page 41: ...o remove any combustion gases still present Then the fan stops and heats the hot surface igniter for 35 seconds After this pre heating period the fan starts and the gas valve opens This blows the air...

Page 42: ...again three consecu tive times If this has not succeeded after three times the electronic control will temporarily switch off The control will automatically reset after an hour and the above mentioned...

Page 43: ...stopped purging 3 Electrically isolate the device by turning the main switch between the device and the electricity mains to the 0 position Drain the device when shutting it down for a longer period P...

Page 44: ...42 Instruction manual TWI 35 130 G TWI 45 190 G 8 Shut down...

Page 45: ...f the LED The different errors are divided into three groups SOFT LOCKOUT SL The control automatically resets after 60 minutes SOFT LOCKOUT HARD LOCKOUT SL3 The control automatically resets after 60 m...

Page 46: ...tion engineer or the local gas company Water leakage Leaking water con nection thread Tighten the threaded connection Contact the installation engineer if the leakage has not been remedied Leakage of...

Page 47: ...ion Remark Insuffi cient or no hot water The device is off Start up the device 7 Start up Contact the installation engineer if the situation of insuffi cient or no hot water persists Hot water supply...

Page 48: ...ntact the installation engineer for replacing the required parts Air pressure switch does not close 1 Check if the fan is running 2 Check if the hoses are correctly mounted on the air pressure switch...

Page 49: ...operly connected See 12 2 Electrical circuit diagram 2 Check the cabling of the hot surface igniter 3 Check the voltage over the hot surface igniter This should be 115 VAC 4 Measure the resistance ove...

Page 50: ...e 1 Check the cabling of the hot surface igniter 2 Replace the cabling if necessary The electronic control automatically resets after ionisation signal dissappears Contact the installation engineer in...

Page 51: ...hen draw off water to create a heat demand 4 Check if the heating cycle runs correctly 7 3 Heating cycle of the device 5 Check the CO2 value and adjust this if necessary 3 11 Check and adjust the CO2...

Page 52: ...Clean the heat exchanger 10 4 2 Clean the burner 1 Dismount the burner 2 Remove the contamination present on the burner 3 Remount the burner 10 4 3 Clean the heat exchanger 1 Dismount the burner 2 Cl...

Page 53: ...owing through the boiler or left in it The warranty referred to in Articles 1 and 2 only apply if the following conditions are met a The boiler is installed according to the installation instructions...

Page 54: ...rehouse delivery of the boiler to be replaced or any parts thereof A O Smith shall not bear the transport labour installation and other costs in connection with the replacement A claim based on the wa...

Page 55: ...Instruction manual TWI 35 130 G TWI 45 190 G 53 This annex contains The Electrical circuit diagram Legends 12 1 Introduction 12 Annex...

Page 56: ...54 Instruction manual TWI 35 130 G TWI 45 190 G Annex 12 IMD 0380 429 R0 1 brown 2 blue 3 green 4 black 5 white 6 grey beige 12 2 Electrical circuit diagram...

Page 57: ...th N Zero L1 Phase COMPONENTS A Electronic control B Air pressure switch C Hot surface igniter D Temperature sensor ECO E Thermostat board F Yellow LED G Thermostat H Red LED J Green LED K Gas control...

Page 58: ...56 Instruction manual TWI 35 130 G TWI 45 190 G Annex 12...

Page 59: ...ycle 12 security 12 types 9 17 dimensions 18 drain 37 E electrical circuit diagram 54 electrical connection 28 electrical connector block 29 error 43 F fan 13 fill 43 floor loading 16 G gas control 13...

Page 60: ...e interval 66 shut down short period 41 longer period 41 isolate 41 specifications 16 symbol installation engineer 8 service engineer 8 user 8 start up 39 T target groups 8 temperature sensor 12 trade...

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...

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