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Summary of Contents for Weishaupt WTC-GB 90-A
- Page 1 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 83266502 • 1/2010-08...
- Page 2 Max Weishaupt GmbH Manufacturer: Max-Weishaupt-Straße Address: D-88475 Schwendi Product: Gas condensing boiler WTC-GB 90-A, WTC-GB 120-A, WTC-GB 170-A, WTC-GB 210-A, WTC-GB 250-A, WTC-GB 300-A The product described above conforms with the regulations of directives: 2009 / 142 / EC 2006 / 95 / EC...
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Page 3: Table Of Contents
Installation and operating instruction Gas condensing boiler WTC-GB 90-A User instructions ........................6 User guide ......................6 1.1.1 Symbols ......................... 6 1.1.2 Target group ......................6 Guarantee and Liability ..................7 Safety ............................8 Permissible application ..................8 When gas can be smelled ................. 8 What to do if flue gas can be smelled ............ - Page 4 Installation and operating instruction Gas condensing boiler WTC-GB 90-A Electrical installation ..................28 5.6.1 Wiring diagram ....................29 5.6.2 Connection additional pump via output VA1 ..........30 5.6.3 Connection additional safety valve LPG via output VA1 ......30 Operation ..........................31 Operating interface ..................
- Page 5 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 10.3 Rectifying faults ....................74 10.3.1 Warning codes ....................74 10.3.2 Error codes ......................76 10.3.3 Operating problems ..................77 11 Spares ............................78 12 Technical documentation ....................90 12.1 Internal boiler wiring ..................90 12.2...
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Page 6: User Instructions
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 1 User instructions 1 User instructions These installation and operating instructions form part of the unit and must be kept Translation of original on site. operating instructions 1.1 User guide 1.1.1 Symbols Immediate danger with high risk. -
Page 7: Guarantee And Liability
▪ the installation of combustion chamber inserts, which impede full flame formation, ▪ repairs, which have been carried out incorrectly, ▪ the use of non original Weishaupt parts, ▪ unsuitable fuels, ▪ defects in the inlet lines, ▪... -
Page 8: Safety
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 2 Safety 2 Safety 2.1 Permissible application The condensing boiler is suitable for: ▪ Warm water heating circuits in closed systems according to DIN EN 12828 ▪ Flow rate of maximum 7.8 m³/h. -
Page 9: Gas Supply
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 2 Safety 2.4.3 Gas supply ▪ Only the gas supplier or an approved agent may carry out installation, alteration and maintenance work on gas appliances in buildings and properties. ▪ Pipe work must be subject to a pre and main test and a combined load and valve proving test relative to the pressure range intended (e.g. -
Page 10: Product Description
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 3 Product description 3 Product description 3.1 Type key WTC-GB 90-A Weishaupt Thermo Condens Fuel: Gas Type of construction: floor standing Ratings size: 90 kW Construction 10-95 83266502 • 1/2010-08 • La... -
Page 11: Function
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 3 Product description 3.2 Function 3.2.1 Components 1 Safety valve connection 1" 2 Air intake/flue gas connection DN 160/110 3 Gas pipe Ø 22 mm 4 Air intake ducting with sound attenuator 5 Connection expansion vessel Ø... -
Page 12: Electrical Parts
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 3 Product description 3.2.2 Electrical parts 1 Safety temperature limiter (eSTL) 2 Ignition electrode 3 Boiler control panel (WCM-CUI) 4 Gas combi valve 5 Connection box (W-EAB) 6 Boiler electronics (WCM-CPU) -
Page 13: Safety Devices
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 3 Product description 3.2.3 Safety devices Safety temperature limiter (eSTL) The fuel supply is shut off and the fan and the pump run-on are activated if the tem- perature on the eSTL exceeds a value of 95 °C ( W12 ). The boiler restarts automatically, if the temperature drops below the flow setpoint value for 1 minute. -
Page 14: Program Sequence
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 3 Product description 3.2.4 Program sequence 1. Pre-purge At heat demand 1 the fan starts and dries to pre-purge speed 2. 2. Ignition The fan drives down to ignition speed 3, ignition 4 switches on, the gas valves 5 open. -
Page 15: Technical Data
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 3 Product description 3.3 Technical data 3.3.1 Approval data Gas Appliance Category , II 2ELL3P 2H3P (DE, AT, CH) Type of installation 13(x) 33(x) 43(x) 53(x) 63(x) 83(x) 93(x) CE-PIN CE-0063 BS 3948... -
Page 16: Rating
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 3 Product description 3.3.6 Rating Combustion heat rating Q 17.0 … 86.5 kW Boiler capacity at 80/60 °C 16.5 … 84.3 kW Boiler capacity at 50/30 °C 18.2 … 90.0 kW Fan speed Natural Gas 1620 …... -
Page 17: Enev Product Characteristics
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 3 Product description 3.3.9 EnEV Product Characteristics Boiler efficiency factor at 100 % rating and at medi- 97.5 % H (87.8 % H um boiler temperature 70 °C Boiler efficiency factor at 30 % rating and at return 107.7 % H... -
Page 18: Dimensions
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 3 Product description 3.3.10 Dimensions 680 mm 730 mm 50 mm 340 mm 195 mm 1 Supply 1½" (union nut) 2 Gas pipe Ø 22 mm 3 Condensate connection DN 25 4 Connection expansion vessel Ø... -
Page 19: Weight
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 3 Product description 3.3.11 Weight Weight empty: ca. 117 kg 19-95 83266502 • 1/2010-08 • La... -
Page 20: Installation
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 4 Installation 4 Installation Only valid in Switzerland When installing and operating in Switzerland the regulations of SVGW, VKF, and local and Cantonal regulations, as well as the EKAS guideline (Liquid Petroleum Gas Guideline, Part 2) must be observed. - Page 21 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 4 Installation Installation location The installation room must comply with local regulations. For room air dependant operation it must be fitted with an opening leading to atmosphere with a minimum cross section (see DVGW-TRGI, work sheet G 600).
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Page 22: Installation
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 5 Installation 5 Installation 5.1 Requirements for the heating water In support of guideline VDI 2035 the following requirements are applicable for heating water. ▪ Untreated fill and top-up water must be of domestic water quality (colourless, clear and without any sedimentation), ▪... -
Page 23: Fill Water Quantity
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 5 Installation 5.1.2 Fill water quantity If information about the fill water quantity is not available, the following table can be used to estimate the quantity. On calorifier systems the calorifier content must be taken into consideration. -
Page 24: Hydraulic Connection
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 5 Installation 5.2 Hydraulic connection ▶ Flush the heating system with at least twice the total system content. ✓ Contaminants are removed. ▶ Connect the supply and the return (Recommendation: Use shut off valves). -
Page 25: Condensate Connection
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 5 Installation 5.3 Condensate connection Danger of poisoning by escaping flue gas Inhalation leads to dizziness, nausea and eventually death. ▶ Check the fill level of the siphon at regular intervals and replenish, if necessary, in... -
Page 26: Gas Supply
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 5 Installation 5.4 Gas supply The gas side connection must only be carried out by an approved gas installer. All country specific guidelines and local regulations imposed by the gas supply company must be observed. -
Page 27: Routing Of Air/ Flue Gas Circulation
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 5 Installation 5.5 Routing of air/ flue gas circulation Air supply ducting The combustion air can be supplied: ▪ from the installation room (room air dependent operation), ▪ through concentric piping systems (room air independent operation), ▪... -
Page 28: Electrical Installation
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 5 Installation 5.6 Electrical installation Electric shock when working with voltage applied The consequence is serious injury or death. ▶ Isolate unit prior to carrying out work and protect against accidental reconnection DANGER to the mains. -
Page 29: Wiring Diagram
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 5 Installation 5.6.1 Wiring diagram Observe the instructions for the electrical installation (see Ch. 5.6). The maximum total current of all external loads must not exceed 4.5 A. WCM - CPU µC - Unit... -
Page 30: Connection Additional Pump Via Output Va1
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 5 Installation 5.6.2 Connection additional pump via output VA1 Observe the instructions for the electrical installation (see Ch. 5.6). ▶ Connect pump to wiring diagram. 230V MFA 1 MFA 2 eBUS... -
Page 31: Operation
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6 Operation 6.1 Operating interface 6.1.1 Operating panel ▶ Open flap. There are 4 operating elements available. reset 1 Enter button Confirm selection, confirm input 2 Dial knob Navigation through levels and parameters,... -
Page 32: Display
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6.1.2 Display The display shows current operating status and operating data. Symbols are shown or hidden depending on the system variation. When a remote control is connected (e. g. WCM-FS or WCM-EM) the symbols9 …... -
Page 33: End User Level
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6.2 End User Level Symbols are shown or hidden depending on the system variation. When a remote control is connected (e. g. WCM-FS or WCM-EM) the symbols 1 … 4 are not displayed. If communication between the electronics and the remote control fails, the symbols for emergency operation are displayed. -
Page 34: Settings End User Level
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6.2.2 Settings End User Level Different settings can be changed in the end user level. ▶ Turn the dial knob. ✓ Tool bar appears. ▶ Turn the dial knob. -
Page 35: Heating Engineer Level
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6.3 Heating Engineer Level Activate heating engineer level ▶ Turn the dial knob. ✓ Tool bar appears. ▶ Turn the dial knob and set the selection cursor below the spanner symbol. -
Page 36: Info Level
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6.3.1 Info level Display system values (i) ▶ Activate info level (see Ch. 6.3). ▶ Turn the dial knob. ✓ System values can be read. Depending on system variation, specific values are shown or hidden. - Page 37 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation Info Sensors Unit i 37 Return temperature °C i 39 De-couple sensor temperature °C Info System info Unit i 42 Burner starts x 1000 i 43 Burner operating hours...
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Page 38: Parameter Level
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6.3.2 Parameter level Show parameter (P) ▶ Activate parameter level (see Ch. 6.3). ▶ Turn the dial knob. ✓ Parameters can be read. Depending on system variation, specific parameters are shown or hidden. - Page 39 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation Parame- Basic configuration Range of values Factory ters setting P 16 Function input H1 0 = Heating circuit release 1 = Heating circuit setback/normal 3 = Standby with frost protection...
- Page 40 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation Parame- Circulation pump Range of values Factory ters setting P 43 Function speed control- --- = No speed controlled pump led pump 1 = Rating pump ~ rating WTC (see Ch.
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Page 41: Manual Start Up
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6.4 Manual start up ▶ Turn the dial knob. ✓ Tool bar appears. ▶ Set the selection cursor below the chimney sweep symbol. ▶ Press enter button. ✓ Maximum rating is started. -
Page 42: Start Manual Configuration
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6.5 Start manual configuration Manual configuration is used to match the settings with unit version. All sensors and actuators are re-entered during this process (see Ch. 7.2). ▶ Activate parameter level (see Ch. 6.3). -
Page 43: Control Options
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6.6 Control options Constant flow temperature control No additional sensors or thermostats are required for this control. The flow temper- ature is controlled at the value set in the end user level (see Ch. 6.2.2). -
Page 44: Control Options
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6.7 Control options Heating operation with special level This function is also effective in the Summer setting. ▶ Set parameter 17 at 2 . When contact H2 is closed, the system heats up to the temperature level preset in parameter 18 . - Page 45 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation Temperature remote control 2 … 10 V ▶ Connect analogue setpoint signal 2 … 10 V to input N1 (see Ch. 5.6.1). ✓ Signal is interpreted as supply setpoint.
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Page 46: Boiler Circuit Pump
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6.8 Boiler circuit pump 6.8.1 General information The unit can drive an external boiler circuit via outputs MFA 1, MFA 2 or VA1. The pump remains activated as long as heat requirement prevails. When no more heat is needed, the pump runs for the specified run-on time (NLZ) preset in parame- ter 41 . -
Page 47: Frost Protection
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6.9 Frost protection Boiler frost protection Flow temperature < 8°C ▪ Burner is operated at minimum load. ▪ Outputs MFA and VA are active, if they have been parametered as heating circuit pump or feeder pump. -
Page 48: Inputs And Outputs
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6.10 Inputs and outputs Different applications can be realised with the freely selectable inputs and outputs. Output MFA and VA Output MFA is a non-isolated relay output. Output VA is potential free. - Page 49 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation Setting parameter 17 Description 3 = Burner lockout function The boiler and the pump switch off when the input is closed. Frost protection is not activated. The display shows W24 , when the contact is closed.
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Page 50: Special System Parameters
(0 = no monitoring) Max run time flue gas damper 15 … 35 PWM setpoint pump inverse 0 / 1 – Parameter is safety relevant. Alterations are only permitted following consultation with the Weishaupt service de- partment. 50-95 83266502 • 1/2010-08 • La... -
Page 51: Chimney Sweep Function
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 6 Operation 6.12 Chimney sweep function Activate chimney sweep function ▶ Turn the dial knob. ✓ Tool bar appears. ▶ Set the selection cursor below the chimney sweep symbol. ▶ Press enter button. -
Page 52: Commissioning
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 7 Commissioning 7 Commissioning 7.1 Prerequisite The commissioning may only be carried out by qualified personnel. Only correctly carried out commissioning ensures the operational safety of the unit. ▶ Prior to commissioning check: ▪... -
Page 53: Check Soundness Of Gas Valve Train
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 7 Commissioning 7.1.1 Check soundness of gas valve train Soundness test ▶ Carry out soundness test: ▪ prior to commissioning, ▪ after all service and maintenance work. ▶ Switch off system. -
Page 54: Check Gas Connection Pressure
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 7 Commissioning 7.1.2 Check gas connection pressure The gas connection pressure must be within the following ranges: Natural Gas E/H 17.0 … 20 … 25.0 mbar Natural Gas LL 20.0 … 25 … 30.0 mbar 25.0 …... -
Page 55: Adjusting The Boiler
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 7 Commissioning 7.2 Adjusting the boiler ▶ During commissioning check: ▪ Maximum possible water throughput is ensured. ▪ Heat up is carried out with low flow temperatures and at low rating. - Page 56 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 7 Commissioning 3. Adjust combustion The condensing boiler is factory preset to Natural Gas E, H (G20). The O content must be checked and if necessary adjusted. If the WTC is operated with Liquid Petroleum Gas continue with chapter "Changing gas"type"...
- Page 57 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 7 Commissioning 4. Concluding work Risk of explosion due to leaking gas Improper work can lead to escaping gas and explosions. ▶ Tightly close screws after working on the test points of the gas combi valve.
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Page 58: Change Gas Type
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 7 Commissioning 7.3 Change gas type Change over WTC to operation with Liquid Petroleum Gas ▶ Close gas isolating valve. ▶ Turn setting screw 1 2 rotations to the right. ▶... - Page 59 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 7 Commissioning Concluding work Risk of explosion due to leaking gas Improper work can lead to escaping gas and explosions. ▶ Tightly close screws after working on the test points of the gas combi valve.
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Page 60: Calculating The Burner Rating
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 7 Commissioning 7.4 Calculating the burner rating Operating volume in m /h (gas throughput) Normal volume in m /h (gas throughput at 0 °C and 1013 mbar) Gas throughput determined at gas meter... -
Page 61: Shutdown
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 8 Shutdown 8 Shutdown ▶ Switch off the boiler and close the fuel shut-off devices during extended shut down periods. ▶ The system must be drained if there is a risk of frost during extended shut down periods. -
Page 62: Servicing
Depending on site conditions it may be necessary to inspect the installation more frequently. During the service, all system components with high wear and tear or with a specific life span should be replaced. Weishaupt recommends a service contract is entered into to ensure regular inspec- tions. Prior to every servicing ▶... -
Page 63: Safety Components
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 9 Servicing 9.1 Safety components Vital safety components must be replaced as soon as they reach their predefined lifetime. The predefined lifetime is not the warranty time specified in the terms and conditions of delivery and payment. -
Page 64: Check Differential Pressure At Air Pressure Switch
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 9 Servicing 9.3 Check differential pressure at air pressure switch Observe notes on servicing (see Ch. 9). ▶ Remove right side panel. ▶ Remove hoses from the test points 1 on the air pressure switch. -
Page 65: Replacing Electrodes
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 9 Servicing 9.4 Replacing electrodes Observe notes on servicing (see Ch. 9). Ignition electrode ▶ Remove the ignition plug 5 and the earth wire 3. ▶ Remove bolts 4. ▶ Replace ignition electrode 2 and gasket 1, whilst observing the ignition electrode distance of 4.0 mm. -
Page 66: Removing And Refitting Burner Tube
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 9 Servicing 9.5 Removing and refitting burner tube Observe notes on servicing (see Ch. 9). Removing ▶ Close gas isolating valve. ▶ Remove electrodes (see Ch. 9.4). ▶ Remove plugs for gas pressure switch 4, gas valve 3 and fan 2. - Page 67 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 9 Servicing Cleaning the burner tube Clean burner tube if required: ▶ Clean the inside of the burner tube (if necessary use compressed air to blow through from outside to inside).
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Page 68: Cleaning The Heat Exchanger
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 9 Servicing 9.6 Cleaning the heat exchanger Observe notes on servicing (see Ch. 9). ▶ Remove left panel. ▶ Remove service covers from heat exchanger 1 and the condensate collector 4. -
Page 69: Check Flue Gas Pressure Switch
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 9 Servicing 9.7 Check flue gas pressure switch Observe notes on servicing (see Ch. 9). ▶ Switch on main switch. ▶ Set boiler to Standby (see Ch. 6.2.2). If a remote control station is fitted, see op- erating instructions WCM-FS. -
Page 70: Check Gas Pressure Switch
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 9 Servicing 9.8 Check gas pressure switch ▶ Check setting of 13 mbar and adjust if necessary. ▶ Drive burner to 40 … 50 % of the rating. ▶ Slowly close gas isolating valve. -
Page 71: Removing And Refitting Fan
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 9 Servicing 9.9 Removing and refitting fan Observe notes on servicing (see Ch. 9). Removing ▶ Remove burner flange with gas/air interconnection (see Ch. 9.5). ▶ Remove nuts 5 with spring washers, remove gas valve 4 and air intake collec- tor 3. -
Page 72: Troubleshooting
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 10 Troubleshooting 10 Troubleshooting 10.1 Procedures for fault conditions Damage resulting from incorrect servicing The combustion plant could be damaged. ▶ Do not carry out more than 2 lockout resets successively. -
Page 73: Fault History
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 10 Troubleshooting 10.2 Fault history The last 6 faults and the system status at the time of the faults are recorded in the fault history. Display the fault ▶ Activate the fault level (see Ch. 6.3). -
Page 74: Rectifying Faults
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 10 Troubleshooting 10.3 Rectifying faults 10.3.1 Warning codes Warning code Cause Rectification ▶ Temperature at eSTB > 95 °C Check the water flow. ▶ Temperature at supply sensor > 95 °C Check function of the pumps. - Page 75 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 10 Troubleshooting Warning code Cause Rectification ▶ Communication to EM#3 is faulty Check address. ▶ Check the connection ▶ Replace the extension module. ▶ Communication to EM#4 is faulty Check address.
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Page 76: Error Codes
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 10 Troubleshooting 10.3.2 Error codes Error code Cause Rectification ▶ Temperature at eSTL > 105 °C Check the water flow. ▶ Check function of the pumps. ▶ Check parameter A32. ▶... -
Page 77: Operating Problems
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 10 Troubleshooting Error code Cause Rectification ▶ Data record error boiler Check the BCC connector and replace if nec- essary. ▶ Restart configuration (see Ch. 6.5). ▶ Reset appliance, replace WCM-CPU on re- peat occurrence. -
Page 78: Spares
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 11 Spares 11 Spares 1.02 1.01 1.11 1.03 1.02 1.05 1.12 1.14 1.15 1.04 1.16 1.15 1.14 1.06 1.02 1.13 1.05 1.16 1.17 1.23 1.05 1.08 1.09 1.10 1.08 1.09 1.10 1.17... - Page 79 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 11 Spares Pos. Description Order No. 1.01 Top part 482 001 02 18 7 1.02 Grommet Dm.I 35 481 011 40 22 7 1.03 Side panel right/left 482 001 02 19 7 1.04...
- Page 80 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 11 Spares 2.01 2.01 2.02 2.02 2.04 2.03 2.05 2.06 2.08 2.07 2.14 2.09 2.14 2.16 2.15 2.15 2.11 2.15 2.15 2.12 2.18 2.17 2.20 2.23 2.10 2.22 2.21 2.19 2.13 2.24...
- Page 81 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 11 Spares Pos. Description Order No. 2.01 Cable tie with rivet 481 011 22 11 7 2.02 Grommet Dm.I 24 481 011 02 23 7 2.03 Fixing plate operating unit 482 101 22 19 7 2.04...
- Page 82 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 11 Spares 3.46 3.40 3.21 3.14 3.20 3.15 3.45 3.42 3.01 3.07 3.43 3.44 3.03 3.04 3.05 3.40 3.06 3.02 3.41 3.10 3.11 3.06 3.07 3.40 3.09 3.16 3.17 3.38 3.39 3.08...
- Page 83 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 11 Spares Pos. Description Order No. 3.01 Insulation 482 001 30 42 7 3.02 Flow manifold 482 001 30 71 2 3.03 Closing cap G1 482 001 30 20 7 3.04...
- Page 84 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 11 Spares 4.02 4.01 4.07 4.08 4.03 4.09 4.10 4.04 4.05 4.39 4.38 4.19 4.37 4.36 4.13 (7 (7 4.18 4.12 4.15 4.35 4.14 4.21 (1 (1 4.45 4.22 4.23 4.46 4.21...
- Page 85 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 11 Spares Pos. Description Order No. 4.01 Ignition unit ZAG 1 220-240V 50-60Hz 10VA 603 189 4.02 Bracket ignition unit 482 001 30 77 7 4.03 Burner tube 482 001 30 23 7 4.04...
- Page 86 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 11 Spares 5.01 5.05 5.02 5.03 5.04 5.07 5.08 5.06 5.09 5.10 5.11 5.15 5.12 5.14 5.13 5.16 5.17 86-95 83266502 • 1/2010-08 • La...
- Page 87 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 11 Spares Pos. Description Order No. 5.01 Earth cable for ignition unit 482 001 30 27 7 5.02 Ignition cable 482 001 30 28 2 5.03 Ionisation electrode 482 101 30 05 2 5.04...
- Page 88 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 11 Spares 6.01 88-95 83266502 • 1/2010-08 • La...
- Page 89 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 11 Spares Pos. Description Order No. 6.01 Service set 482 001 00 16 2 Consisting of: ▪ Gasket burner flange ▪ Ignition electrode with earth cable ▪ Gasket ignition electrode ▪...
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Page 90: Technical Documentation
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 12 Technical documentation 12 Technical documentation 12.1 Internal boiler wiring WCM-CUI WCM-FS W-EAB WCM-CPU 6,3 AT X10B X10A X11C X11B X11A X12C X12B X12A 1 eSTB 2 Flow sensor 3 Return sensor... -
Page 91: Sensor Variables
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 12 Technical documentation 12.2 Sensor variables eSTL External sensor(QAC 31) DHW sensor (B3) Return sensor Flow sensor De-couple sensor Flue gas sensor NTC 5 kΩ NTC 600Ω NTC 12 kΩ Ω... -
Page 92: Pneumatic Control Lines
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 12 Technical documentation 12.3 Pneumatic control lines 12.3.1 Air pressure switch connection diagram 1 Air inlet pipe 2 Air pressure switch (on/off pressure 1.0/0.7 mbar) 3 Air intake collector 4 Gas combi valve 12.3.2 Flue gas pressure switch connection diagram... -
Page 93: Conversion Table O2/Co2
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 12 Technical documentation 12.4 Conversion table O2/CO2 content content in % dry in %v Natural Gas E Natural Gas LL Propane (max 11.7 % CO (max 11.5 % CO (max 13.7 % CO 10.5... -
Page 94: Key Word Index
Installation and operating instruction Gas condensing boiler WTC-GB 90-A 13 Key word index Fault conditions ..............72 Fault history ................73 Adjusting ................55 Faults ..................72 Adjustment ................21 Filling the water ..............24 Air intake connection ..........11, 18 Flow limit ................. 8 Air pressure ................60 Flow rate ................. - Page 95 Installation and operating instruction Gas condensing boiler WTC-GB 90-A 13 Key word index Supply voltage ..............15 System frost protection .............47 Neutralisation system ............25 Normal volume ..............60 Tap ..................47 Temperature .................15 O2 content ............. 15, 56, 58, 93 Temperature differential ............13 Operating panel ............
- Page 96 Control technology / From control panels to complete building management building systems – at Weishaupt you can find the entire management spectrum of modern control technology. Future oriented, economical and flexible. 83266502 • 1/2010-08 • La...
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