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Weishaupt WTC-GB 15-B Compact, Installation And Operating Instruction

The Weishaupt WTC-GB 15-B Compact is a high-quality heating system that ensures optimal comfort in any space. To easily set up and operate this product, download the free "Installation and Operating Instruction" manual from our website manualshive.com. It provides in-depth guidance for a hassle-free experience.

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Installation and operating instruction
Gas condensing unit WTC-GB 15-B Compact and WTC-GB 25-B Compact

6 Operation

83309302 1/2018-05 La

65-196

6.6.1 Info

In menu Info, the information is read only.

6.6.1.1 System

Info

 

 

System

Information

Description

1.1.1
Status

Current operating mode of system.

The operating mode is determined from the operating mode of the system and the
operating modes of the individual heating circuits.

Off
Standby
Summer
Automatic

1.1.2
External temperature

Current temperature at the external sensor (B1).

Show additional information:

Press dial knob.

Current

:

Current external temperature used for system frost protection.

Damped

:

Tendency of the outdoor temperature used for the summer-winter changeover.

Mixed

:

Calculated outdoor temperature (current and damped) used for the flow setpoint
temperature.

1.1.3
Heat demand
Heating

Required maximum flow setpoint temperature of all heating circuits.

1.1.4 … 1.1.27
Heat demand
Heating circuit …

Required flow setpoint temperature of the corresponding heating circuit.

1.1.28
Heat demand
DHW

Required flow setpoint temperature of the DHW circuit.

Summary of Contents for WTC-GB 15-B Compact

Page 1: ...Installation and operating instruction Gas condensing unit WTC GB 15 B Compact and WTC GB 25 B Compact 83309302 1 2018 05 ...

Page 2: ...nents 13 3 3 3 Safety and monitoring functions 14 3 3 3 1 Flow sensor eSTB flue gas sensor 14 3 3 3 2 Multifunction sensor VPT 15 3 3 4 Combustion control System SCOT 16 3 3 5 Program sequence 18 3 4 Fresh water storage tank function 20 3 5 Technical data 22 3 5 1 Approval data 22 3 5 2 Electrical data 22 3 5 3 Ambient conditions 22 3 5 4 Fuels 22 3 5 5 Emissions 23 3 5 6 Rating 24 3 5 7 Hydraulic...

Page 3: ... 4 Favourites level 57 6 5 User level 57 6 5 1 Info 58 6 5 2 System operating mode 59 6 5 3 Heating circuits 60 6 5 4 Domestic hot water 62 6 5 5 Statistic 62 6 5 6 Settings 63 6 6 Expert level 64 6 6 1 Info 65 6 6 1 1 System 65 6 6 1 2 WTC 66 6 6 1 3 Remote control 69 6 6 1 4 Hydraulic 69 6 6 1 5 Heating circuits 70 6 6 1 6 Domestic hot water 72 6 6 1 7 Fault memory 73 6 6 2 WTC 74 6 6 2 1 Boiler...

Page 4: ...undness of gas valve train 103 7 1 2 Check gas connection pressure 104 7 1 3 Set type of gas on gas combi valve 104 7 2 Adjusting the condensing unit 105 7 3 Check soundness of flue gas system 117 7 4 Adjust capacity 117 7 5 Calculate combustion heat rating 118 8 Shutdown 119 9 Servicing 120 9 1 Condensing unit service 120 9 1 1 Notes on servicing 120 9 1 2 Components 121 9 1 3 Removing and refitt...

Page 5: ...ndent control 150 12 2 4 Weather compensated Room control 151 12 2 5 De couple control 151 12 3 Control options 152 12 4 Circulation pump 153 12 5 Inputs outputs 154 12 6 Factory setting engineer level 156 12 7 Factory setting heating circuit type 159 12 7 1 Factory setting heating curve 160 12 8 Factory setting time programs 161 12 9 Wiring diagram WEM FA G device electronics 162 12 10 Sensor var...

Page 6: ...f the appliance and understand the resulting danger Children must not play with the appliance Cleaning and operator maintenance must not be carried out by chil dren without supervision 1 2 Symbols DANGER Immediate danger with high risk Non observance can lead to serious injury or death WARNING Danger with medium risk Non observance can lead to environmental damage serious injury or death CAUTION D...

Page 7: ...B 25 B Compact 1 User instructions 83309302 1 2018 05 La 7 196 the installation of additional components which have not been tested with the unit changes to the combustion chamber unsuitable fuels defects in the inlet lines on non diffusion tight heating circuits without system separation ...

Page 8: ...stallation room must comply with local regulations Improper use could endanger the health and safety of the user or third parties cause damage to the unit or other material assets 2 2 When gas can be smelled Avoid open flames and spark generation for example do not operate light switches do not operate electronic equipment do not use mobile telephones Open doors and windows Close gas isolating val...

Page 9: ... must be subject to a combined load and valve proving test and or us ability testing relative to the pressure range intended e g DVGW TRGI work sheet G 600 Inform the gas supply company about the type and size of plant prior to installa tion Local regulations and guidelines must be observed during installation e g DVGW TRGI worksheet G 600 TRF Band 1 and Band 2 The gas supply pipework should be su...

Page 10: ...nd a drinking water storage tank 3 1 Type key Condensing boiler Example WTC GB 15 B vers K WTC Range Weishaupt Thermo Condens G Fuel Gas B Type of construction floor standing 15 Ratings size 15 kW B Construction Vers K Version Compact Fresh water storage Example WAS 115 Power Bloc P B WAS Series Weishaupt Aqua storage tank 115 Size 115 Power Version external heat exchanger and pump Bloc cubic desi...

Page 11: ...pact 3 Product description 83309302 1 2018 05 La 11 196 3 2 Serial number The serial number on the name plate identifies the product This is required by Weishaupt s customer service department Condensing boiler 1 2 1 Additional name plate 2 Name plate Ser No Fresh water storage 1 1 Name plate Ser No ...

Page 12: ...1 Water air and flue gas carrying components Image WTC GB 15 B vers K 4 1 2 3 9 0 w q 5 6 7 8 1 Quick action vent valve 2 Flue gas connection 3 Expansion vessel 18 litres 0 75 bar 4 Expansion vessel fill valve 5 three way valve 6 Speed controlled circulation pump 7 Pressure gauge system pressure 8 Siphon 9 Condensate outlet 0 Safety valve 3 bar q Intake sound attenuator w Heat exchanger ...

Page 13: ... B vers K 1 3 5 6 7 9 0 w e 8 4 2 q 1 Flow sensor eSTB 2 Display and operating unit system device 3 Device electronics WEM FA G with electrical connection and unit fuse 4 Fan 5 Actuator three way valve 6 Flue gas sensor 7 Speed controlled circulation pump 8 Multifunction sensor VPT 9 Gas combi valve 0 Ignition unit q Ignition electrode w Flow sensor multifunction sensor VPT e Ionisation electrode ...

Page 14: ...e increases too fast the appliance is switched off W 14 If the warning occurs several times in succession the system goes to lockout F 14 This function is only activated at a temperature of 45 C Differential temperature flow eSTB flue gas The appliance is switched off if the difference between the flow temperature and the flue gas temperature exceeds a preset value W 15 If the warning occurs sev e...

Page 15: ... bar the appliance automatically restarts ch 6 6 2 2 Differential temperature flow eSTB flow VPT If the difference between the flow temperature eSTB and the flow temperature VPT exceeds a preset value the appliance is switched off W 18 If the warning occurs several times in succession the system goes to lockout F 18 Differential temperature flow VPT return VPT If the difference between flow and re...

Page 16: ... air is calculated from this maximum value The setpoint of the ionisation cur rent Io set is set so that the following O2 content is available across the entire modulation range O2 content Natural Gas approx 5 0 λ 1 29 Liquid Petroleum Gas approx 5 3 λ 1 31 Example Io max Io soll 1 0 1 28 3 2 1 1 Air number λ 2 Ionisation current 3 Turndown ratio Calibration Calibrations are carried out by dynamic...

Page 17: ... can then be moved in parallel via the O2 total correction at max load thus optimising the O2 content the WTC drives to 100 capacity Using O2 correction up to 50 at min load the O2 content can also be optimised in the lower load range Example 5 2 5 1 5 0 4 9 4 8 4 7 4 6 4 5 5 3 5 4 2 1 3 4 7 6 5 1 Burner capacity 2 O2 content 3 minimum load 4 maximum load 5 O2 curve following calibration 6 O2 curv...

Page 18: ... valves 4 open A flame is formed Safety time Following the safety time 3 5 seconds 5 ignition is switched off Flame stabilisation If a flame signal 6 is transmitted the flame stabilisation time 7 will follow Forced partial load In operating mode heating forced partial load 8 is carried out first For the dura tion of the delay time the heating capacity is limited forced partial load is omitted for ...

Page 19: ... WTC GB 15 B Compact and WTC GB 25 B Compact 3 Product description 83309302 1 2018 05 La 19 196 Post purge Following every normal shut down after faults and after the return of the power supply the fan is operated at the post purge speed 0 7 5 6 4 3 2 8 9 0 1 ...

Page 20: ...ank WAS 100 Bloc P A Stratified tank WAS 80 Power Bloc P A Stratified tank WAS 115 Power Bloc P B WAS 100 Bloc P A The fresh water is heated via a plain ended pipe heat exchanger DHW loading is initiated when the temperature at the DHW sensor B3 drops be low the DHW setpoint temperature minus the switch differential 1 2 3 4 7 6 5 1 Funnel siphon with outlet 2 Magnesium anode 3 DHW sensor B3 4 Outl...

Page 21: ...drops below the DHW setpoint temperature minus the switch differential During DHW loading the burner output is controlled via the DHW outlet sensor T1 DHW loading continues until the DHW sensor switch off T2 stops the load ing process 1 2 3 w q 0 9 8 7 6 5 4 1 Funnel siphon with outlet 2 DHW outlet sensor T1 3 Plate heat exchanger 4 Load pump stratified tank 5 DHW sensor switch on B3 6 DHW sensor ...

Page 22: ...Basic standards EN 15502 1 2015 EN 15502 2 1 2013 Additional standards see EU conformity certifica tion 3 5 2 Electrical data WTC 15 WTC 25 Mains voltage mains frequency 230 V 50 Hz 230 V 50 Hz Consumption heating mode max 39 W max 74 W Consumption DHW mode with WAS 100 max 39 W max 74 W Consumption DHW mode with WAS Power max 72 W max 107 W Power consumption standby 4 W 3 W Internal unit fuse T4H...

Page 23: ...levels Dual number noise emission values WTC 15 WTC 25 Measured sound power level LWA re 1 pW 46 dB A 1 48 dB A 1 Uncertainty value KWA 4 dB A 4 dB A Measured sound pressure level LpA re 20 μPa 39 dB A 2 41 dB A 2 Uncertainty value KpA 4 dB A 4 dB A 1 Determined to ISO 9614 2 2 Determined at 1 metre distance from the front of the unit The measured noise levels plus uncertainty values form the uppe...

Page 24: ...1 27 l h 0 38 2 17 l h Fresh water storage WAS 100 WAS 80 Power WAS 115 Power WTC 15 WTC 25 WTC 15 WTC 25 WTC 15 WTC 25 Continuous output 60 10 45 C 14 1 kW 20 4 kW 14 5 kW 28 0 kW 14 5 kW 29 1 kW Tapping volume 60 10 45 C 344 l h 507 l h 351 l h 671 l h 351 l h 713 l h Coefficient of performance 1 60 10 45 C 1 0 1 1 2 1 1 1 1 1 8 1 1 8 1 2 7 1 Short term output 1 60 10 45 C 143 l 10 min 155 l 10 ...

Page 25: ...on vessel content 18 litres 18 litres Expansion vessel pre pressure 0 75 bar 0 75 bar Throughput limit 1300 l h 2200 l h Fresh water storage WAS 100 WAS 80 Power WAS 115 Power Fresh water contents 105 litres 86 litres 115 litres Heating water contents 7 0 litres DHW operating temperature max 95 C max 95 C max 95 C Heating water operating tem perature max 110 C DHW operating pressure max 10 bar max...

Page 26: ...0 450 500 550 600 650 700 1000 1100 1200 1300 1400 1500 1600 100 80 60 40 20 1 2 3 1 Throughput l h 2 Resulting supply pressure mbar 3 Circulation pump capacity Resulting supply pressure proportional pressure 0 100 200 300 400 500 600 700 800 900 0 50 100 150 200 250 300 350 400 450 1000 1100 1200 1300 1400 1500 1600 1 2 3 4 5 1 Throughput l h 2 Resulting supply pressure mbar 3 Proportional pressu...

Page 27: ...83309302 1 2018 05 La 27 196 Resulting supply pressure constant pressure 0 100 200 300 400 500 600 700 800 900 0 50 100 150 200 250 300 350 400 450 1000 1100 1200 1300 1400 1500 1600 1 2 3 4 5 1 Throughput l h 2 Resulting supply pressure mbar 3 Constant pressure stage 1 4 Constant pressure stage 2 5 Constant pressure stage 3 ...

Page 28: ...ss flow rate 0 9 6 4 g s 1 4 11 0 g s Flue gas temperature at 80 60 C 53 61 C 54 61 C Flue gas temperature at 50 30 C 30 43 C 30 42 C 3 5 9 EnEV Product Characteristics WTC 15 WTC 25 Boiler efficiency factor at 100 ca pacity and at medium boiler temperat ure 70 C 98 2 Hi 88 5 Hs 98 5 Hi 88 7 Hs Boiler efficiency factor at 30 capa city and at return temperature 30 C 110 4 Hi 99 4 Hs 110 3 Hi 99 3 H...

Page 29: ... WTC GB 25 B Compact 3 Product description 83309302 1 2018 05 La 29 196 3 5 10 Dimensions 3 600 mm 344 mm 156 mm 275 mm 600 mm 2 3 1 1 161 mm for DN 100 60 171 mm for DN 125 80 2 Intake air flue gas Ø 125 mm DN 80 3 WAS 100 1702 mm 20 WAS 80 Power 1552 mm 20 WAS 115 Power 1702 mm 20 ...

Page 30: ... 20 773 mm 20 790 mm 20 911 mm 20 200 mm 342 mm 422 mm 600 mm 600 mm 600 mm 70 mm 160 mm 340 mm 230 mm 430 mm 1 2 7 3 6 4 5 1 2 7 3 6 4 5 3 4 6 1 5 7 2 3 4 8 9 0 q 1 5 6 7 2 1 Flow WTC G 8 WAS 80 640 mm 20 WAS 115 790 mm 20 2 Return WTC G 9 WAS 80 623 mm 20 WAS 115 773 mm 20 3 DHW G 0 WAS 80 621 mm 20 WAS 115 771 mm 20 4 Fresh water G q WAS 80 761 mm 20 WAS 115 911 mm 20 5 Gas supply G 6 Flow WTC ...

Page 31: ... 3 Product description 83309302 1 2018 05 La 31 196 3 5 11 Weight WTC 15 WTC 25 WAS 100 WAS 80 Power WAS 115 Power Weight empty approx 49 kg approx 55 kg approx 90 kg approx 67 kg approx 77 kg 3 5 12 Environmental characteristics Recycling The fresh water storage tank is free of chromium VI lead and CFC ...

Page 32: ... LPG Guideline Part 2 must be observed Type of storage tank and operating pressure Do not exceed the operating pressure stated on the name plate Check storage tank type Ensure that the operating pressure is maintained Installation location Prior to installation ensure that the minimum distance is maintained ch 4 2 the condensate can drain away the transport route is free and stable ch 3 5 11 the f...

Page 33: ...nel forward and lift out of the guide holes Install condensate hose Place condensate hose in such a way that it is not possible for a water bag to form siphon effect and the condensate can drain away unimpeded Run condensate hose to condensate outlet pipe Minimum clearance Observe minimum distance to the wall for service work side 3 5 cm Adjustment Foot screw adjustment range 0 20 mm Position the ...

Page 34: ...ing water max 0 02 mg l With non diffusion resistant system components the unit must be de coupled from the heating circuit by means of a separator 5 1 1 Water hardness The permissible water hardness is determined in proportion to the fill and top up water quantity Determine from the diagram below whether water treatment measures are ne cessary If the fill and top up water lies in the upper range ...

Page 35: ...Gas condensing unit WTC GB 15 B Compact and WTC GB 25 B Compact 5 Installation 83309302 1 2018 05 La 35 196 WTC 25 0 200 400 600 800 1000 1200 1400 1800 1600 0 5 10 15 20 25 30 1 2 1 Fill and top up water quantity litres 2 Total hardness dH ...

Page 36: ...water quantity is not available the following table can be used to estimate the quantity Heating system Estimated fill water quantity 1 55 45 C 70 55 C Pipe and steel radiators 37 l kW 23 l kW Cast iron radiators 28 l kW 18 l kW Panel radiators 15 l kW 10 l kW Air conditioning 12 l kW 8 l kW Convectors 10 l kW 6 l kW Underfloor heating 25 l kW 25 l kW 1 based on the heating requirements of the bui...

Page 37: ...CAUTION Damage to the appliance due to raised pH value Softening the water by means of cation exchange leads to self alkalisation of the heating water Corrosion can damage the appliance Following the softening of the water by means of cation exchanger the pH value has to be stabilised Soften the fill and top up water Stabilise the pH value Check pH value of 8 5 0 5 during the annual servicing Stab...

Page 38: ...ainage hose shut off valve non return cap and possibly a fresh water expansion vessel optional Connect domestic installation Connect central heating water pipework If necessary fit sludge separator in the return line Fit safety valve to fresh water connection Connect fresh water pipes observe local regulations e g DIN 1988 EN 806 If necessary connect circulation group WHI circu with circulation la...

Page 39: ...ing water A direct connection between heating and drinking water is not permitted Top up heating water via system separator CAUTION Damage to the unit due to unsuitable fill water Corrosion and scale could damage the system Adhere to the requirements for the heating water and the local directives ch 5 1 Connect heating circuit flow to the siphon and open ball valve 1 Fit fill hose to heating circu...

Page 40: ... 42 5 50 57 5 mbar Operation outside the ranges according to EN 437 is not permitted Installing the gas supply DANGER Risk of explosion due to leaking gas Gas leaks can lead to a build up of explosive gas air mixture With an ignition source present this can result in an explosion Install gas supply with care Observe all safety instructions Close fuel shut off devices prior to commencing work and p...

Page 41: ...front panel The front panel is secured with a screw at the tension lock to prevent accidental opening Refit screw when mounting front panel Remove screw 1 from tension lock at the underside of the unit Open the tension lock and remove the front panel 1 Mount condensing unit Mount the unit making sure that the guide pins 1 are located within the fresh water storage tank Slide the unit on the slide ...

Page 42: ...connect to the WTC if necessary loosen nut 3 to compensate for tension with the help of the slot Cut condensate hose and drain hose to length and insert into the siphon When tightening the nuts on the connection pipes of the WTC 1 counter hold with an open ended wrench 1 2 1 3 Observe the flow direction when mounting the non return valve only for WAS 100 Insert seals into connection pipe and non r...

Page 43: ...sion and scale could damage the system Adhere to the requirements for the heating water and the local directives ch 5 1 Place non return valve only for WAS 100 1 into vertical position 1 During the filling of the system the three way valve installed should be in the cent ral position The valve as delivered is in the central position The central position can also be approached manually position can...

Page 44: ...integrated siphon Observe work sheet DWA A 251 and local regulations if required fit a neutralisa tion system If the discharge point of the sewage system is above the condensate outlet Installing condensate lift pump Install condensate hose Place condensate hose in such a way that it is not possible for a water bag to form siphon effect and the condensate can drain away unimpeded Run condensate ho...

Page 45: ...Local and building regulations must be observed when designing the flue gas duct ing Only approved flue gas systems may be used If the appliance is connected to a chimney this must be damp proof Install the flue gas system at the flue gas connection 1 3 2 1 Measuring point in supply air annular gap 2 Flue gas test point 3 Boiler connection piece accessory The flue gas system must be sound carrying...

Page 46: ...ially using shielded lines placing the shield on to the existing shield plate DANGER Risk of fire due to incorrect bus installation Bus installation with RJ11 distributor hub can lead to overheating of electrical components and cables Do not use a distributor hub for bus installation Install the bus line of the WEM components as a line structure ch 5 7 2 Switch off switch S1 1 Turn screw 2 90 anti...

Page 47: ...J11 CAN RJ11 RG RF T1 T2 N1 4 4 EM 4 WEM FA G device electronics Plug Colour Connection Description 230V black Voltage supply 230 V AC 50 Hz 230V grey Voltage output 230 V AC Load pump stratified tank WAS Power max 2 A 1 H1 H2 turquoise Inputs 230 V AC MFA1 purple Relay output 230 V AC max 1 A cos phi 1 1 max 0 5 A cos phi 0 8 1 B1 Green External sensor NTC 2 kΩ B2 white De couple sensor plate hea...

Page 48: ...D WEM FA G µC Unit 1 2 M T1 2 0 10 V 1 M N1 P 1 2 VA1 2 P 1 2 1 2 M n PWM T1 T2 Additional input output module Plug Colour Connection Description VA1 2 brown potential free relay outputs external fuse max 8 A 230 V AC max 1 A cos phi 1 max 0 5 A cos phi 0 8 30 V DC max 1 A blue PWM signal Load pump stratified tank WAS Power control signal for speed con trolled pump T1 grey Sensor can be configured...

Page 49: ...apter set the room sensor WEM RF or the room device WEM RG can be connected to the 4 wire CAN Bus in an existing installation with 2 wires CAN 2x H L CAN 4x CAN 4x 4 4 2 CAN BUS WEM FA G µC Unit RJ11 CAN RJ11 RG RF 4 Adapter set WEM CAN 2 wire Plug Colour Connection Description CAN 2x beige 2 wire connection for room device room sensor max 1 room device and 2 room sensors or max 3 room sensors ...

Page 50: ...le with room devices room sensors via 4 wire Heat RJ11 RJ11 Heat RJ11 RJ11 RJ11 RJ11 WTC EM HK EM HK CAN H L CAN H L CAN H L 1 1 1 RG RF RG RF RG RF 1 max 3 devices Installation example with room devices room sensors via 2 wire CAN 2x H L CAN 4x CAN 4x Heat Heat WTC EM HK EM HK CAN 2x H L CAN 4x CAN 4x CAN 2x H L CAN 4x CAN 4x CAN 4 2 RJ11 RJ11 RJ11 RJ11 RJ11 RJ11 CAN H L CAN H L CAN H L 1 CAN 4 2...

Page 51: ...he electrical installation ch 5 7 Depending on the hydraulic variant selected the outputs are pre assigned the function can then not be changed ch 12 1 If the external pump is connected via VA an additional module is required Connect pump to output MFA1 or VA1 2 according to the wiring diagram B1 1 M B2 1 M B3 1 M 230V L N L N PE max 16A L H1H2 H1 H2 L N MFA1 L N 230V 1 2 M T1 2 1 M N1 1 2 M P 1 2...

Page 52: ...C GB 25 B Compact 5 Installation 83309302 1 2018 05 La 52 196 5 7 4 Connect fresh water storage tank WAS 100 Observe the instructions for the electrical installation ch 5 7 Guide the sensor cable through the recess to the electrical installation shaft Plug DHW sensor into connection B3 ...

Page 53: ...r the electrical installation ch 5 7 Fit enclosed add on module inputs outputs Remove plug and plug T1 2 Guide the sensor cables through the recess to the electrical installation shaft Plug DHW sensor switch on into connection B3 Plug DHW outlet sensor and DHW sensor switch off into connection T1 2 Also guide in cables for load pump stratified tank Plug in voltage supply to connection 230V Plug in...

Page 54: ...196 6 Operation 6 1 Operational display The light bar 1 shows the operating status of the condensing unit 1 Light bar Description OFF No voltage supply or light bar deactivated Green System is fault free yellow 1 Warning or fault system is still in operation ch 10 red Locked fault system is in lockout ch 10 1 Delayed after approx 15 minutes ...

Page 55: ...irm or save values approx 3 seconds exit value without saving approx 5 seconds return to the start screen Voltage supply The display and operating unit system device of the condensing unit is fed via the bus connection If the voltage supply to the condensing unit is interrupted the sys tem device can still be operated if an extension module is supplied with a separate voltage and thus supplies the...

Page 56: ...gned to the system pressure 2 Level selection Favourites level User level Expert level Chimney sweep function 3 Status display Current status of the condensing unit 4 Temperature display Current boiler temperature of condensing unit Symbols Favourites level Create favourite User level Expert level Chimney sweep function Exit display Reset value to factory setting Information Help text Flame presen...

Page 57: ...pause Heating programs Holiday DHW Push 1 1 1 1 1 1 Assigning favourites Select the desired parameter in the user level Select and confirm Turn the knob to select an existing favourite and replace by confirming A new favourite has been assigned DHW setpoint temperature Normal Setback 50 C 40 C Replace which favourite OK press ESC press 3 secs System operating mode Room setpoint temperature Party H...

Page 58: ...umidity Current temperature at the flow sensor B6 of the corresponding heating circuit Current temperature at the corresponding room device or room sensor Current room humidity at the corresponding room device 2 Rating Current heating capacity of the condensing unit The output is expressed as a percentage of the rated output of the condensing unit Boiler temperature Current temperature at the flow...

Page 59: ...2018 05 La 59 196 6 5 2 System operating mode System operating mode Menu System operating mode determines the operating mode of the entire system Setting Description Standby Frost protection on Heating off DHW off Summer Frost protection on Heating off DHW on Automatic 1 Frost protection on Heating on DHW on 1 Factory setting ...

Page 60: ...ng mode set independent of the time program DHW on Heating programs The heating program is used to stipulate the times of the day when comfort normal or setback heating is used Time program 1 3 The preset time programs can be customised factory setting see ch 12 8 Changing a time program Select time program using the knob and confirm Time bars are displayed Select week day s using the knob and con...

Page 61: ...s not effective When input H1 is closed the system heats up to the special flow level set Only if input H1 is configured to Heating circuit 1 Special level Holiday Interrupt heating program for a certain period of time The level can be set to Setback or Frost during this time Set Function to On Set Room setpoint temperature to Setback or Frost Enter Start date and End date If the parameter is set ...

Page 62: ...rogram is used to stipulate the times of the day when the DHW tank is heated to normal temperature or setback temperature factory setting see ch 12 8 Change a time program Select week day s using the knob and confirm Time program can be edited Circulation program The circulation program is used to stipulate the time of day when the circulation pump is switched on factory setting see ch 12 8 Change...

Page 63: ...ayed here Serial number Access code Light strip Deactivate light strip on condensing unit On factory setting Light strip activated Off Light strip deactivated Sensor correction External sensor Correction of the current outside temperature factory setting 0 0 K If no optimal placement of the outdoor sensor is possible or a measurement error is to be com pensated the measured outdoor temperature can...

Page 64: ...e with a password Select password Password 11 Select Expert level using dial knob and confirm Display changes to Password window Select Password 11 and confirm Select and confirm Display changes to Expert level Expert Select password 11 OK press ESC press 3 secs 16 55 2016 06 23 Thursday 1 8 bar 50 C 7 C Boiler temperature 54 0 C Expert Info Heating circuits WTC G Hydraulic Domestic hot water Serv...

Page 65: ...atic 1 1 2 External temperature Current temperature at the external sensor B1 Show additional information Press dial knob Current Current external temperature used for system frost protection Damped Tendency of the outdoor temperature used for the summer winter changeover Mixed Calculated outdoor temperature current and damped used for the flow setpoint temperature 1 1 3 Heat demand Heating Requir...

Page 66: ...he condensing unit The output is expressed as a percentage of the rated output of the condensing unit 1 2 1 4 Actual load Current heating capacity of the condensing unit The output is expressed as a percentage of the rated output of the condensing unit 1 2 1 5 Flow setpoint temperat ure Required flow setpoint temperature of the condensing unit 1 2 1 6 Flow temperature Current temperature at the fl...

Page 67: ...tting Centre setting 1 2 2 2 Pump capacity internal pump Current pump capacity of internal pump of condensing unit 1 2 2 3 Volumetric flow VPT Current volumetric flow at multifunction sensor VPT of condensing unit 1 2 2 4 Heat capacity VPT Actual heat output from the condensing unit to the heating system calculated value from the multifunction sensor VPT 1 2 2 5 System pressure VPT Current system ...

Page 68: ... 4 Ionisation signal Start Minimum ionisation signal following flame detection at last burner start 1 2 3 5 Gas valve Offset Current compensation value from the control signal for the immersion coil from the gas valve 1 2 3 6 Time to flame formation Time from gas release to flame formation at last burner start 1 2 3 7 Gas valve control signal Current control signal at gas combi valve 1 2 3 8 Gas a...

Page 69: ...l Information Description 1 4 1 Voltage remote control input N1 Current voltage signal at input N1 1 4 2 Heat demand remote control N1 Flow setpoint temperature of the remote control 6 6 1 4 Hydraulic Info Hydraulic Information Description 1 5 3 De couple temperature or 1 5 3 Plate heat exchanger temperature Current temperature at de couple sensor B2 or plate heat exchanger sensor B2 ...

Page 70: ...sated Heating limit shutdown room Heating limit shutdown flow Thermostat shutdown Comfort normal setback Frost protection on 1 6 3 External temperature or 1 6 3 Local external temper ature Current temperature at external sensor B1 or at external sensor T1 on heating circuit extension module local Show additional information Press dial knob Current Current external temperature used for system frost...

Page 71: ...uit pump Current operating mode of heating circuit pump Off On 1 6 10 Correction heat up optimisation Current calculated advance time of heat up optimisation with control variation weather compensated control 1 6 11 Correction heat up optimisation Current calculated advance time of heat up optimisation with control variation room compensated control or weather room compensated con trol ...

Page 72: ...int temperature of current operating mode normal or setback 1 7 4 DHW temperature Current temperature at the DHW sensor B3 1 7 5 Return flow temperature circulation Current temperature at the return flow sensor T1 of the circulation line Only on compact version WAS 100 1 7 6 DHW pump Current operating mode of DHW load pump Off On 1 7 7 Status DHW mode Current operating mode of DHW circuit Off Stan...

Page 73: ...System menu contains the last 10 errors of all devices WTC The last 16 faults of the condensing boiler and the system status when the fault occurred are stored in the WTC menu Interrogating system status when fault occurred Select fault with dial knob Press dial knob Select and confirm System status when fault occurred is displayed Turn dial knob to interrogate information The fault memory can be ...

Page 74: ... Upper load limit combustion heat rating in DHW mode The output is expressed as a percentage of the rated output of the condensing unit 2 1 4 Time forced partial load capacity heating mode At heat demand from the heating circuit the heating load is restricted to partial load for the duration set When this time has elapsed load control is released Forced partial load is not required for DHW loading...

Page 75: ... mode 2 2 5 Pump capacity minimal DHW mode Minimum pump capacity for DHW loading 2 2 6 Pump capacity maximum DHW mode Maximum pump capacity for DHW loading 2 2 7 Minimum system pressure warning If the system pressure in the condensing unit drops below the value set a warning message is issued 2 2 8 Minimum system pressure burner lockout If the system pressure in the condensing unit drops below the...

Page 76: ...gh long flue gas ducts can be compensated 2 3 4 Minimum load correction The minimum load fan speed can be increased in percentage 2 3 5 Correction gas surge at start Changes the gas quantity following flame detection during the safety period 2 3 6 Gas valve offset storage Changes the control signal for the immersion coil of the gas valve Variable value which is re determined after startup with min...

Page 77: ...or error message If the voltage at input N1 drops below the value set an error message F 80 will be issued after approx 15 minutes 4 2 Voltage burner off input N1 Voltage limit for burner shutdown If the voltage at input N1 drops below the value set the burner shuts down 4 3 Minimum flow temperature input N1 Setpoint of flow temperature at voltage signal 3 V 4 4 Maximum flow temperature input N1 S...

Page 78: ...5 La 78 196 6 6 4 Hydraulic 6 6 4 1 De couple Hydraulic De couple Parameters Setting ch 12 2 5 5 2 1 Temp differential flow de couple pump The pump modulates depending on the temperature difference between flow sensor and de couple sensor B2 The control function prevents an undesirable return flow increase in the condens ing boiler ...

Page 79: ...g mode is not enabled On Heating limit activated Off Heating limit not activated 6 1 4 Room setpoint temperat ure heating limit If the outside temperature is higher than the room setpoint temperature the heat demand from the heating circuit will not be released If the outside temperature falls below the room set temperature by 2 K heat de mand is released The average outdoor temperature is used as...

Page 80: ...xceeds the room setpoint temperature switch differential Off Room thermostat function not activated On Room thermostat function activated On at setback The room thermostat function is only activated at level setback Switch differential If the current room temperature exceeds the room setpoint temperature by the switch differential the heating circuit is switched off 6 2 5 Room sensor influence Wit...

Page 81: ...e g to compensate for load losses 6 3 2 Delay time heat demand At heat demand via the mixer heating circuit the start of the condensing unit is delayed by the time set During the delay time the mixer opens and the condens ing unit has flow 6 3 3 Mixer run time Run time of mixer from CLOSED position to fully OPEN position 6 3 4 Mixer initialisation run time When driving from the CLOSED position to ...

Page 82: ...d by other heating circuits or by DHW circuits If necessary deactivate other heating or DHW circuits The screed program is used for the drying of underlay flooring and is separated into two functions Observe the requirements provided by the speed manufacturer andEN 1264 4 Function specific heating First phase of drying The function specific heating is used to ensure defect free preparation for und...

Page 83: ...ing max temp Maximum temperature for Function specific heating 2 6 4 5 Function specific heating days min temp Number of days for the start phase for function specific heating 3 6 4 6 Function specific heating days maximum temperature Number of days at maximum temperature for function specific heating 4 6 4 7 Function specific heating days cooling Number of days for the cool down phase for functio...

Page 84: ...ing If the temperature in the fresh water storage tank drops below the DHW set point temperature by the switch differential set DHW loading is initiated 7 1 3 Flow setpoint temperat ure increase Temperature increase of DHW setpoint for DHW loading Flow setpoint temperature DHW setpoint temperature Flow set point temperature increase 7 1 4 Maximum load time Time limit for DHW loading Off Time limit...

Page 85: ...onella protection is carried out Only if parameter protection function is set to by weekday 7 2 4 Interval Days until the next legionella protection is carried out Only if parameter protection function is set to in intervals 7 2 5 Heat up temperature DHW DHW setpoint temperature for Legionella protection 7 2 6 Circulation for legionella protection Configure circulation pump for legionella protecti...

Page 86: ...he DHW temperat ure sensor B3 minus the value set the pump switches off 7 3 2 Pump run time via button Run time of circulation pump by pressing button on input H2 Only if the hydraulic circulation pump is set to time controlled button H2 in the commissioning wizard 7 3 3 Circulation for DHW Boost Configure circulation pump for DHW boost Off Circulation pump not activated during DHW boost On during...

Page 87: ...get load 100 SCOT base value 78 67 SCOT actual value 75 Gas valve When the current capacity has reached 100 Carry out flue gas measurement enter values in the test sheet of the engineers report Select and confirm The display shows Flue gas measurement P min Flue gas measurement P min Current capacity Boiler temperature 54 C 100 Target load 100 SCOT base value 78 67 SCOT actual value 75 Gas valve F...

Page 88: ...ent Current capacity Boiler temperature 23 C 0 Calibration Off SCOT base value 78 1 Start calibration Press dial knob Selected area is highlighted in blue Set Calibration to On and confirm The condensing unit carries out a calibration and determines the basic Io value for the combustion control system SCOT Following successful calibration the flue gas measurement P max starts Output measurement Cu...

Page 89: ...ter values in the test sheet of the engineers report Select and confirm Settings are applied Flue gas measurement P min starts Flue gas measurement P max Current capacity Boiler temperature 54 C 100 O2 correction total 0 0 SCOT base value 80 SCOT actual value 78 Gas valve 45 Flue gas measurement P min Applying settings please wait Flue gas measurement P min Current capacity Boiler temperature 47 C...

Page 90: ... measurement Output measurement Control measurement Control measurement Current capacity Boiler temperature 55 C 67 Target load SCOT base value 82 79 SCOT actual value 53 Gas valve 0 Press dial knob Selected area is highlighted in blue Set target load and confirm Start load required Control measurement Target load 40 Current capacity 67 Boiler temperature 55 C SCOT base value 82 SCOT actual value ...

Page 91: ...ure ment Order No 481 000 00 72 2 Select parameter 10 5 1 4 input H1 see ch 6 6 9 5 Set function to Heat exchanger Emergency Off If the input is taken disconnect plug H1 H2 if necessary An automatic start is avoided Burner lockout function activated is displayed Connect measuring device Switch off system using switch S1 ch 5 7 Remove front panel Completely remove the ionisation electrode also unpl...

Page 92: ...hamber pressure to On and confirm The fan drives to maximum fan speed Deactivate measurement After 10 minutes or after exiting the parameter the combustion chamber pressure is automatically reset to Off Set function of parameter 10 5 1 4 input H1 If necessary set parameter 10 5 1 5 input H1 inverted Switch off system using switch S1 ch 5 7 Install ionisation electrode If necessary plug in plug H1 ...

Page 93: ...meters Setting 9 1 1 Output test Off Output test WTC deactivated On Output test WTC activated 9 1 2 MFA1 Activate output MFA1 Off On 9 1 3 VA1 Activate output VA1 Off On 9 1 4 VA2 Activate output VA2 Off On 9 1 5 External PWM signal Activate PWM signal 0 100 6 6 8 2 EM heating circuit Output test EM heating circuit Parameters Setting 9 2 1 Output test Off Output test EM heating circuit deactivated...

Page 94: ...ice information configure inputs and outputs start program for purging and water filling carry out BCC updates reset system to factory settings If a device Bus participant is installed at a later date removed or replaced Interrupt and restore voltage supply The relevant commissioning wizard starts automatically Carry out commissioning steps 6 6 9 1 System Commission ing System Parameters Setting 1...

Page 95: ...step 8 Address room device 2 step 9 Address room sensor step 10 Assign room device 1 step 11 Assign room device 2 step 12 Assign room sensor step 13 Check assignment of room devices and or room sensor step 14 Display addressing and device information The address and device information of each device can be displayed Select relevant device Press dial knob The address of the participant is displayed...

Page 96: ...ct version step 4 Set circulation pump control step 5 Set heating circuit of condensing unit step 6 Select hydraulic version step 15 10 3 2 Hydraulic version Current hydraulic version set ch 12 1 10 6 4 Device version Type of condensing unit 10 6 5 Additional module Indicates the condensing unit is equipped with the optional additional module 10 3 3 External sensor Deactivate outdoor sensor availa...

Page 97: ...tting Commissioning wizard Heating circuit The commissioning wizard Heating circuit guides you through the commissioning of the heating circuit See commissioning steps adjust condensing unit ch 7 2 Set heating circuit type and control variation step 16 10 4 2 Heating circuit type Set heating circuit ch 12 7 10 4 3 Control variation Set control variation ch 12 2 10 4 4 Heating circuit func tion Set...

Page 98: ...h accessory A gas pressure switch is required to ensure the appliance does not go to lockout if gas pressure fluctuations occur 10 5 1 3 Output MFA1 Function of output MFA1 ch 12 5 Possible reassignment by commissioning wizard Hydraulic Pump HC1 Circulation pump DHW1 10 5 1 4 Input H1 Function of input H1 10 5 1 5 Input H1 inverted The function contact position of input H1 can be rotated with inve...

Page 99: ...libration step 20 Optimise O2 content at max load step 22 Optimise O2 content at min load step 23 10 6 2 BCC Update Transfer data from coded plug BCC to device electronics WEM FA G 10 6 3 Automatic purging Program for purging the heat exchanger 10 6 4 Centre position three way valve To fill the water the internal three way valve can be placed in the centre position Automatic Centre setting After 1...

Page 100: ...ctory setting Commission ing Factory setting Parameters Setting Factory setting Reset system to factory setting All parameters are reset to factory setting with the exception of test bench configuration device version parameters of device electronics WEM FA G except for parameters which are pre assigned by the hydraulic version fault memory meter readings ...

Page 101: ...p appears Chimney sweep Function Off Current capacity 0 25 C Flue gas temperature 43 C Boiler temperature 16 55 2016 06 23 Thursday 1 8 bar 50 C 7 C Boiler temperature 54 0 C Automatic heating mode Press dial knob SetFunction to On and confirm Chimney sweep function is activated for 15 minutes Chimney sweep Function On OK press ESC press 3 secs Chimney sweep Operating mode On Current capacity 100 ...

Page 102: ... commissioning ensure that all assembly and installation work has been carried out correctly the appliance and heating system have been filled with media and vented the siphon has been filled with water an adequate supply of fresh air is guaranteed flue gas ducts and combustion air ducts are unimpeded all regulating control and safety devices are functioning and set correctly a heat demand is avai...

Page 103: ...mbi valve Connect test equipment Generate test pressure of 100 150 mbar Wait 5 minutes for pressure equalisation Read pressure Wait for the test period of 5 minutes Read pressure and check pressure loss The gas section is sound if the pressure does not drop by more than 1 mbar Close screw 1 torque 2 Nm 1 DANGER Risk of explosion due to leaking gas Improper service work can lead to escaping gas and...

Page 104: ... close isolating valve Do not start plant Inform the gas supplier If necessary install gas pressure regulator DANGER Risk of explosion due to leaking gas Improper service work can lead to escaping gas and explosion After working on the gas combi valve close the screw at the measuring point and check for leaks Close screw on measuring point Pe torque 2 Nm Check soundness of measuring point 7 1 3 Se...

Page 105: ...g wizard can be restarted at any time during the initial commis sioning Press dial knob for approx 15 seconds The system device can be reset to its factory setting Reset device to factory setting The commissioning wizard restarts 1 Set language Select language required and confirm The language selected is generated The commissioning wizard starts Language Deutsch English Français Italiano Español ...

Page 106: ... The device selected flashes Press dial knob again Device information Software version etc is displayed If a device is not recognized button can be used to reload the search Device list Device list is loading Please wait Device list Confirm number of devices found on the Bus WTC System device Room device 2 01 01 01 Selected button and confirm device list 4 Set compact version Check the version of ...

Page 107: ... via time program and return flow sensor only for WAS 100 ch 6 6 6 3 System device Circulation pump available No Select and confirm 6 Set heating circuit of condensing unit Check if a direct heating circuit is available A direct heating circuit is available if either the internal pump is supplied by the internal pump from the condensing unit supplies the heating circuit 1 or an external heating ci...

Page 108: ...ating circuit address 2 The selected device flashes OK press Esc press 3 secs Heating circuit address Assign address for heating circuit EM heating circuit 02 0000000078 EM heating circuit 03 0000000079 Select and confirm 8 Address room device 1 optional This step only has to be carried out for multiple room devices If multiple room devices are available Select relevant room device Press dial knob...

Page 109: ...ss Room device address 1 The selected device flashes Room device address Assign address for room device Room device 2 01 0000000023 Room device 2 02 0000000024 Select and confirm 10 Address room sensor optional This step only has to be carried out for multiple room sensors If multiple room sensors are available Select appropriate room sensor Press dial knob The room sensor selected flashes Assign ...

Page 110: ...t RG1 Device information HC operating access 1 Heating circuit 1 Room sensor assignment Heating circuit 1 1 0000000041 Select and confirm 12 Assign room device 2 optional Each room device must be assigned with an operating access and if the control is room temperature controlled a room sensor must be assigned Room device 2 can operate up to 3 heating circuits and one DHW circuit Select relevant ro...

Page 111: ...s RS assignment Assign room sensor to a heating circuit Room sensor 0000000011 Room sensor 0000000012 02 01 RS assignment Device information Room sensor assignment EM heating circuit 2 1 0000000011 Select and confirm 14 Check assignment of room devices and or room sensor optional Select the relevant heating circuit and confirm Check assignment of room devices and or room sensor to the heating circ...

Page 112: ...press Esc press 3 secs KI1 Commissioning wizard Hydraulic KI1 Select and confirm Hydraulic data is written 16 Set heating circuit type and control variation Defined factory settings of the heating circuit types ch 12 7 Depending on the type of heating circuit a heating curve is automatically generated ch 12 7 1 Set heating circuit type and confirm Universal Convector Radiator 70 Radiator 60 Underf...

Page 113: ... made Commissioning wizard Heating circuit Control variation 1 Weather compensated control Select and confirm 17 Set heating circuit type and control variation for additional heating circuits optional If multiple heating circuits are available Set heating circuit type and control variation 18 Purge heat exchanger Select and confirm Automatic purging of heat exchanger starts Commissioning wizard WT...

Page 114: ...bration the flue gas measurement P max starts Commissioning wizard WTC Current capacity Boiler temperature 51 C 64 Calibration On SCOT base value 80 Calibration running Commissioning wizard WTC Current capacity Boiler temperature 23 C 0 Calibration On SCOT base value 80 OK press ESC press 3 secs Commissioning wizard WTC Current capacity Boiler temperature 23 C 0 Calibration Off SCOT base value 80 ...

Page 115: ...lue Correct O2 content and confirm Check O2 content Repeat procedure until the O2 content lies within the permissible range If the O2 content lies within the permissible range Carry out flue gas measurement enter values in the test sheet of the engineers report Select and confirm Settings are applied Flue gas measurement P min starts Flue gas measurement P max Current capacity Boiler temperature 5...

Page 116: ...oncluding work DANGER Risk of explosion due to leaking gas Improper service work can lead to escaping gas and explosion After working on the gas combi valve close the screw at the measuring point and check for leaks If necessary configure inputs and outputs according to the application ch 6 6 9 5 Close the test points and close covers Enter combustion values and settings in the commissioning recor...

Page 117: ... 3 to the hose Mount the front panel Activate chimney sweep function Carry out O2 measurement at maximum load Adhere to a measuring period of at least 5 minutes It is admissible for the O2 content to fall short of the measured values of the ambi ent air by 0 2 at the most 1 3 2 7 4 Adjust capacity Maximum load If required the maximum load can be changed via parameter 2 1 2 Maximum load heating mod...

Page 118: ...econds QF Combustion heat rating kW Determine current operating volume gas throughput Measure gas throughput VG at gas meter measuring time TM should be a min imum of 60 seconds Calculate operating volume VB using the following formula VB 3600 VG TM Calculate conversion factor Determine gas temperature tGas and pressure PGas at gas meter Determine barometric air pressure PBaro from table Height ab...

Page 119: ...2 1 2018 05 La 119 196 8 Shutdown If necessary unplug the mains adapter of the externally powered anode Switch off installation and safeguard against accidental re start Close fuel shut off devices Close fresh water inlet Drain fresh water storage tank and dry completely Leave inspection opening open until recommissioning ...

Page 120: ...egular intervals and replenish if necessary in particular when the system has been shut down for longer periods or has been operated at high return temperatures 55 C WARNING Electric shock despite disconnection from the voltage supply It is possible that electrical components continue to carry voltage and cause elec tric shock even after the voltage supply has been disconnected Wait approx 5 minut...

Page 121: ...ness of water carrying components Check soundness of burner cover fan connection and burner cover heat ex changer connection Mount the front panel of condensing unit and secure the tension lock with the screw Fit front panel of fresh water storage tank Carry out flue gas measurement calibration O2 correction see ch 6 6 7 3 Enter combustion values and settings in the commissioning record Resetting ...

Page 122: ...nuts 5 on burner cover Remove burner cover Remove burner gasket 6 Remove burner surface 7 Clean burner surface Clean burner surface if required Clean the front with a cloth If dust deposits are present brush out the back using a soft brush to prevent damaging the burner fleece Refitting Refit burner surface in reverse order and fit burner surface with recesses to the adjusting pins 8 and install i...

Page 123: ...g electrodes Observe notes on servicing ch 9 1 1 Remove cover 5 Unplug ionisation cable 6 from the circuit board remove screws from ionisation electrode 1 Replace ionisation electrode and gasket 2 Unplug ignition cable 7 Remove screws from ignition electrode 3 Replace ignition electrode and gasket 4 observe ignition electrode distance of 4 0 mm 1 2 3 7 4 6 5 ...

Page 124: ...h 9 1 4 Heat exchanger cleaning kit accessory required Insert cover plate 1 from cleaning kit Heat exchanger is protected against falling dirt Clean combustion chamber with brush from cleaning kit and vacuum Remove cover plate 1 1 Remove disc nuts from service cover 3 Remove service cover Remove gasket 1 and clean seal groove 2 Clean heat exchanger with cleaning blades and brush from cleaning kit ...

Page 125: ...96 Remove siphon cover 1 Clean siphon and fill with water Refit siphon cover ensuring correct alignment of seal 2 if necessary replace seal Fill siphon with water via the service cover and check for leaks 1 2 Replace service cover seal Fit service cover torque 4 Nm Fit electrodes and gaskets if necessary replace Refit burner surface ch 9 1 3 ...

Page 126: ... Service plan Components Criteria Service procedure Fresh water storage Calcification Clean Magnesium anode Anode current less than 1 mA Check the insulated mounting of the anode minimum resistance 100 kΩ Check or request minimum conductiv ity of the water ch 9 2 4 Check diameter Check condition of enamel If the anode current is still less than 1 mA this may in exceptional cases be due to an above...

Page 127: ...eaners Shut down the condensing unit Remove front panel Drain fresh water storage tank Remove flange insulation 1 Remove screws 2 on inspection flange 3 Remove inspection flange and flange gasket 4 Wash out with water hose or clean with descaler observing manufacturer s instructions Remove sediment Fit new flange gasket ensuring sealing surfaces are clean Fit inspection flange tighten screws diago...

Page 128: ... diameter over half the anode length less than 15 mm Replace magnesium anode A shorter maintenance interval is required if wear of the magnesium anode is no ticeably rapid Refitting Refit magnesium anode in in reverse order and fit new seals 2 and ensure sealing surfaces are clean connect anode cable 1 tighten screws with a torque of 8 Nm Fit inspection flange ch 9 2 3 CAUTION Corrosion due to mis...

Page 129: ...act and WTC GB 25 B Compact 9 Servicing 83309302 1 2018 05 La 129 196 9 2 5 Non return valve WAS Power Observe notes on servicing ch 9 2 1 Remove connection pipe Replace non return valve Refit in reverse order paying attention to the flow direction of the non return valve 1 1 ...

Page 130: ...9302 1 2018 05 La 130 196 10 Troubleshooting 10 1 Procedures for fault conditions Check prerequisites for operation Voltage supply available Heating switch is set to On System device or room device set correctly The system device detects and displays irregularities in the system The following conditions can occur Warning Fault ...

Page 131: ...t if operational safety can no longer be ensured If the system is in lockout the display shows Reset Example 16 55 2016 06 23 Thursday Burner control 1 Fault 21 No flame formation at burner start Reset Faults must only be rectified by qualified personnel Read and correct the fault ch 10 3 Resetting WARNING Damage resulting from incorrect fault repair Incorrect fault repair can cause damage to the ...

Page 132: ...ter side for contamination or calcification W 14 Flow temperature rises too rapidly gradient ch 3 3 3 Temperature is measured at the flow sensor eSTB Ensure there is a flow of water Increase water flow Purge unit on the water side initiate program Automatic purging see ch 6 6 9 6 W 15 Difference between flow and flue gas temperature is too great ch 3 3 3 The flow temperature is measured at the flo...

Page 133: ...parameter 2 3 1 Correction gas quantity at start step by step whilst observing CO content ch 6 6 2 3 Ensure that the flue gas ducts are unimpeded Flue gas resistance too high check condens ate drain Check flue gas shut off device if necessary replace Check gas combi valve if necessary replace W 21 No flame formation at burner start The system restarts Requires no action W 22 Flame failure during o...

Page 134: ...Check system pressure if necessary top up For roof heating centres reduce parameter 2 2 7 Minimum system pressure warning if necessary W 40 Internal pump signals warning Check circulation pump replace if necessary W 42 Internal pump return signal incorrect Check plug cable PWM circulation pump Check circulation pump W 43 Fan speed outside of range Check the fan and cable replace if necessary W 48 ...

Page 135: ...vice Flow sensor B6 of EM heating cir cuit defective Check the sensor and cable and replace if neces sary F 11 Temperature at flow sensor 105 C ch 3 3 3 Temperature is measured at the flow sensor eSTB Ensure there is a flow of water Increase water flow Purge unit on the water side initiate program Automatic purging see ch 6 6 9 6 Check the heat exchanger on the water side for contamination or calc...

Page 136: ...ry replace F 21 Burner control No flame formation at burner start Check gas connection pressure ch 7 1 2 flow operated safety device Check the ionisation electrode replace if necessary ch 9 1 4 Clean burner surface if necessary replace ch 9 1 3 Check combustion air for contamination Check the ignition unit and replace if necessary Time until flame formation too long increase para meter 2 3 1 Corre...

Page 137: ...cessary F 45 Valve flows out of tolerance Check gas combi valve and cable replace if ne cessary F 46 Multifunction sensor VPT defective Purge system heating circuit and DHW circuit Purge unit on the water side initiate program Automatic purging see ch 6 6 9 6 Increase system pressure Install the deaerator on site Check multifunction sensor VPT and cable re place if necessary F 47 Multifunction sen...

Page 138: ...ation signal outside of toler ance limits Check the ionisation electrode and cable replace if necessary ch 9 1 4 Reset appliance replace appliance electronics WEM FA G if occurring repeatedly Check setting of type of gas see ch 6 6 9 6 F 62 Control signal of gas correcting ele ment or fan outside of tolerance lim its Check the ionisation electrode replace if necessary ch 9 1 4 With room air indepe...

Page 139: ...ecessary replace F 70 Data record error BCC Carry out BCC Update see ch 6 6 9 6 F 71 Data record error BCC missing Plug in coded plug F 72 Data record error BCC Replace coded plug Carry out BCC Update see ch 6 6 9 6 F 73 Data record error BCC not compatible Check coded plug if necessary replace Carry out BCC Update see ch 6 6 9 6 F 74 BCC Update requested restart re quired Carry out BCC Update see...

Page 140: ... be rectified by qualified personnel Fault Cause Rectification F 95 Internal fault Interrupt the voltage supply temporarily Replace appliance electronics WEM FA G if oc curring repeatedly F 96 Communication error VPT data If occurring occasionally Requires no action If occurring frequently Interrupt the voltage supply temporarily Check multifunction sensor VPT replace if neces sary ...

Page 141: ...and fan Check intake sound attenuator re place if necessary Poor start behaviour Ignition electrode distance incorrect ig nition electrode damaged Replace ignition electrode ch 9 1 4 Ignition occurs too late Time until flame formation too long in crease parameter 2 3 1 Correc tion gas quantity at start step by step whilst observing CO content ch 6 6 2 3 Smell of flue gas Siphon fill level insuffic...

Page 142: ... fresh water pressure If necessary replace pressure reducer Rusty water escaping from the spigot valve Corrosion in the supply lines Replace parts with corrosion damage Rinse pipework and fresh water stor age tank Steel chippings from installation work in fresh water storage tank Remove chippings through inspection opening Rinse pipework and fresh water stor age tank Corrosion i the fresh water st...

Page 143: ... Circulation pump mixes the water in the stratified storage tank Weishaupt recommends operating the circulation pump via a system thermostat Order No 690 439 The thermostat is fitted to the return and switches off the pump if the circulation return is warm Check setting of load pump LED of externally powered an ode not working No voltage supply Check voltage supply LED of externally powered an ode...

Page 144: ...ally powered anode only operates when the fresh water storage tank is filled Periodically check control lamp on mains adapter Ensure water withdrawal Corrosion protection requires an anode current greater than 1 mA with a minimum water conductivity of 100 µS cm 25 C Measure anode current DANGER Risk of electric shock Working on the device when voltage is applied can lead to electric shock Isolate ...

Page 145: ...nut 2 tighten screws with a torque of 8 Nm Fit inspection flange tighten screws diagonally across 35 Nm 5 Connect anode cable 1 CAUTION Corrosion due to missing protective layer Incorrectly connected externally powered anode does not form a protective layer A missing protective layer can lead to corrosions Correctly connect cable 1 1 4 3 2 Plug in mains adapter Control lamp on mains adapter illumi...

Page 146: ... DHW circuit yes Direct heating circuit yes Factory setting P 2 2 1 De couple control The condensing unit loads the DHW stor age tank or supplies the de couple via the internal three way valve The external heating circuit pump down stream of the de couple supplies heating circuit 1 The condensing unit controls DHW loading and heating circuit 1 WTC connection MFA1 pump HK1 VA2 circulation pump WW1 ...

Page 147: ...ating circuit 1 The condensing unit controls DHW loading and heating circuit 1 WTC connection MFA1 pump HK1 VA2 circulation pump WW1 if available B1 external sensor B2 plate heat exchanger sensor B3 DHW sensor T1 circulation sensor if available KI3 B WTC version K Components WAS 100 Plate heat exchanger Settings Direct DHW circuit yes Direct heating circuit no Factory setting P 2 2 1 Load proporti...

Page 148: ... control The condensing unit loads the DHW stor age tank or supplies the de couple via the internal three way valve The external heating circuit pump down stream of the de couple supplies heating circuit 1 The condensing unit controls DHW loading and heating circuit 1 WTC connection MFA1 pump HK1 VA2 circulation pump WW1 if available B1 external sensor B2 de couple sensor B3 DHW sensor switch on T...

Page 149: ...HK1 VA2 circulation pump WW1 if available B1 external sensor B2 plate heat exchanger sensor B3 DHW sensor switch on T1 DHW outlet sensor T2 DHW sensor switch off 230V voltage supply stratified tank load pump PWM signal stratified tank load pump KP3 B WTC version K Components WAS Power Plate heat exchanger Settings Direct DHW circuit yes Direct heating circuit no Factory setting P 2 2 1 Load propor...

Page 150: ...e when external temperatures are lower The gradient determines how much the change in external temperature affects the flow setpoint temperature and adjusts the heating curve to the building The heating curve can be moved vertically using the parallel movement Room temperature too cold Room temperature too warm Cold external temperature Increase gradient Decrease gradient Mild external temperature...

Page 151: ...l movement room setpoint temperature current room temperature room sensor influence The heating curve and the room setpoint temperature can be set in the user level ch 6 5 3 The room sensor influence can be set in the Engineer level ch 6 6 5 2 12 2 5 De couple control The appliance modulates the capacity in heating mode based on the de couple temperature With this control option the pump modulates...

Page 152: ...temperature P 4 4 2 3 V Burner off 2 V Signal fault after approx 15 minutes F 80 The voltage limits for burner shutdown and error message can be adapted ch 6 6 3 Heating mode with special level When input H1 is closed the system heats up to the temperature level preset para meter Special level see ch 6 5 3 Higher target values of additional heat ing circuits will be taken into consideration DHW mo...

Page 153: ...ecommended for systems with high pressure loss changes Constant pressure stage 1 3 ch 3 5 7 Constant pressure control regulates the differential pressure at the pump to a con stant value The lift height is kept constant regardless of the volumetric flow This control version is recommended for systems with low pressure loss changes e g underfloor heating Proportional pressure auto adaption Automati...

Page 154: ...WTC is disabled for heating and DHW mode when the contact is closed Frost protection is activated Emergency Off heat exchanger The system is disabled for heating and DHW mode when the contact is open Frost protection is not activated This function can be used to connect a temperature monitor underfloor heating circuit or safety switch of a condensate lift unit Block heating DHW mode The WTC is dis...

Page 155: ...ture An increased de mand for hot water during setback operation can be met using the DHW boost function Forward signalling via portal When the contact is closed a message is forwarded to the WEM portal DHW 1 circulation button Only if the hydraulic circulation pump is set to time controlled button H2 in the commissioning wizard If the button on the input is pressed the WTC activates the output fo...

Page 156: ...C 25 70 P 2 2 5 100 2 2 7 Minimum system pressure warning 0 8 bar P 2 2 8 2 5 bar 2 2 8 Minimum system pressure burner lockout 0 5 bar 0 0 bar P 2 2 7 2 2 9 Volumetric flow factor heating mode 90 0 100 2 2 10 Volumetric flow factor DHW loading 90 0 100 2 2 11 Maximum volumetric flow WTC 15 1300 l h WTC 25 2200 l h 0 10000 l h 2 2 12 Inertia internal pump 4 s 1 30 s 2 2 13 Pump capacity boiler pump...

Page 157: ...C 6 2 9 Correction external temperature 0 0 K 10 0 10 0 K 6 2 10 Frost protection room temperature 6 0 C 4 0 10 0 C 6 3 1 Mixer elevation 2 ch 12 7 5 20 K 6 3 2 Delay time heat demand 1 min 0 30 min 6 3 3 Mixer run time 120 s 0 600 s 6 3 4 Mixer initialisation run time 12 s 0 300 s 6 3 5 Tolerance range mixer control 2 ch 12 7 0 0 5 0 K 6 3 6 Temperature controller P part Kp 16 0 200 6 3 7 Tempera...

Page 158: ...3 K 2 25 K 7 1 4 Maximum load time On 30 min 0 240 min 7 1 5 Maximum DHW setpoint temperature 60 C 40 85 C 7 2 1 Protection function by weekday ch 6 6 6 2 7 2 2 Start time 01 00 00 00 23 45 7 2 3 Weekday Saturday Mon Sun daily 7 2 4 Interval 7 days 2 14 days 7 2 5 Heat up temperature DHW 60 C 60 80 C 7 2 6 Circulation for legionella protection Off ch 6 6 6 2 7 3 1 Switch differential return flow t...

Page 159: ...eat up optimisation maximum advance 90 min 90 min 90 min Room thermostat function 1 On to setback 1 0 K On to setback 1 0 K On 1 0 K Correction heat up optimisation 20 0 min K 20 0 min K 10 0 min K Tolerance range mixer control 0 5 K 0 5 K 1 0 K Mixer elevation 2 0 K 2 0 K 4 0 K Radiator 60 Radiator 70 Convector Setback flow temp setpoint 40 0 C 40 0 C 45 0 C Normal flow temp setpoint 55 0 C 60 0 ...

Page 160: ...0 80 20 15 70 1 2 3 4 5 9 8 7 6 1 External temperature C 2 Flow temperature C 3 Gradient parallel movement Heating curve 1 Heating circuit type 4 Floor warming 5 Underfloor heating 6 Universal 7 Radiator 60 8 Radiator 70 9 Convector 1 With room temperature normal 21 0 C A change in room temperature of 1 C leads to a parallel movement of the heating curve set by approx 1 5 2 5 C The parallel moveme...

Page 161: ...7 30 Normal 07 30 16 00 Setback 16 00 22 30 Comfort 22 30 05 30 Setback Sat Sun 07 00 19 00 Normal 19 00 23 00 Comfort 23 00 07 00 Setback Time program 3 Mon Sun 07 00 21 30 Normal 21 30 07 00 Setback DHW program Weekdays TimeOfDay Level Mon Fri 05 00 21 00 Normal 21 00 05 00 Setback Sat Sun 06 30 22 00 Normal 22 00 06 30 Setback Circulation program Weekdays TimeOfDay Circulation pump Mon Fri 06 3...

Page 162: ...nisation electrode 2 Gas combi valve immersion coil valve 2 3 Gas combi valve valve 1 4 PWM signal and fan return signal 5 Gas pressure switch accessory 6 eSTB flow sensor 7 Flue gas sensor 8 Flow sensor of multifunction sensor VPT 9 Multifunction sensor VPT 0 PWM signal and circulation pump return signal q Three way valve actuator w Ignition unit e Fan voltage supply 230 V AC r Circulation pump v...

Page 163: ... outlet sensor T1 DHW sensor switch off T2 Flow sensor B6 Return circulation T1 External sensor WTC B1 External sensor heating circuit T1 NTC 5 kΩ NTC 2 kΩ C Ω C Ω 20 48 180 20 15 138 15 36 250 15 11 709 10 27 523 10 9 138 5 21 078 5 7 193 0 16 277 0 5 707 5 12 669 5 4 563 10 9 936 10 3 675 15 7 849 15 2 981 20 6 244 20 2 434 25 5 000 25 2 000 30 4 029 30 1 653 35 3 267 35 1 375 40 2 665 40 1 149 ...

Page 164: ...rating unit sys tem unit Activate the WEM portal on the condensing unit Select user level ch 6 5 Select Settings and confirm Select WEM Portal and confirm Select rectangle for Portal access using the dial knob and confirm Colour of rectangle change to green A new Access code is being generated Access to the WEM Portal is activated Note down theSerial Number and Access code Registering Access addre...

Page 165: ...C 440 360 290 190 140 max 70 C 330 260 220 140 100 max 80 C 260 210 170 110 80 Expansion vessel inlet pressure The inlet pressure is calculated from the static ceiling of the system 10 metres static height 1 0 bar inlet pressure The static height is determined by the difference in height between the expansion vessel connection and the highest point of the system If the static height is less than 5...

Page 166: ...m Extension module The heating system extension module WEM EM HK can be used to control an additional pump heating circuit or a mixer circuit Up to 24 heating system exten sion modules can be connected to the system Room device WEM RG1 A room device can be connected to the condensing unit and to each heating sys tem extension module One room device WEM RG1 can operate one heating cir cuit Room dev...

Page 167: ... 25 B Compact 13 Project planning 83309302 1 2018 05 La 167 196 System overview Example Heat Heat 4 4 WTC 3 2 1 2 5 3 1 System device 2 Direct heating circuit of condensing unit 3 Heating system extension module WEM EM HK 4 Room device or room sensor 5 Direct DHW circuit of condensing unit ...

Page 168: ...condensing unit WTC GB 15 B Compact and WTC GB 25 B Compact 14 Spares 83309302 1 2018 05 La 168 196 14 Spares 1 10 1 07 1 09 1 08 1 15 1 02 1 02 1 11 1 12 1 09 1 16 1 18 1 04 1 15 1 14 1 17 1 02 1 02 1 04 1 05 1 06 1 03 1 03 1 01 1 01 1 02 1 13 ...

Page 169: ... 7 1 06 Grommet quick action vent valve closed 481 011 02 24 7 1 07 Grommet siphon Dm I 35 481 011 40 22 7 1 08 Grommet water connections Dm I 22 481 015 02 14 7 1 09 Grommet condensate hose Dm I 24 481 011 02 36 7 1 10 Screw M4 x 22 EN ISO 1580 481 011 02 41 7 1 11 Cover 483 015 02 13 2 1 12 Plug 6 mm form 1 white 446 034 1 13 Spacer 401 110 02 20 7 1 14 Magnetic fastener 499 223 1 15 Cable holde...

Page 170: ...96 2 10 2 10 2 10 2 10 2 06 2 32 2 44 2 46 2 47 2 48 2 49 2 20 2 41 2 40 2 42 2 43 2 45 2 38 2 31 2 20 2 33 2 34 2 35 2 36 2 37 2 20 2 25 2 26 2 27 2 20 2 28 2 29 2 20 2 30 2 24 2 12 2 12 2 13 2 14 2 15 2 16 2 17 2 18 2 20 2 21 2 22 2 23 2 20 2 19 2 20 2 54 2 50 2 03 2 04 2 01 2 05 2 07 2 06 2 08 2 09 2 10 2 02 2 51 2 39 2 11 2 01 2 53 2 52 ...

Page 171: ...3K DIN 949 B 471 230 2 11 Grooved pin 4 x 10 ISO 8741 A4 422 227 2 12 Screw M8 x 16 DIN 6921 409 256 2 13 Service cover with seal WTC G 15 B 483 011 30 03 2 WTC G 25 B 483 111 30 03 2 2 14 Service cover seal WTC G 15 B 481 011 30 05 7 WTC G 25 B 481 111 30 05 7 2 15 Screw in part R A 483 011 30 22 7 2 16 Union nut G x 22 L 16 steel 483 011 30 21 7 2 17 Heat cell pre mounted with accessories WTC G ...

Page 172: ...96 2 10 2 10 2 10 2 10 2 06 2 32 2 44 2 46 2 47 2 48 2 49 2 20 2 41 2 40 2 42 2 43 2 45 2 38 2 31 2 20 2 33 2 34 2 35 2 36 2 37 2 20 2 25 2 26 2 27 2 20 2 28 2 29 2 20 2 30 2 24 2 12 2 12 2 13 2 14 2 15 2 16 2 17 2 18 2 20 2 21 2 22 2 23 2 20 2 19 2 20 2 54 2 50 2 03 2 04 2 01 2 05 2 07 2 06 2 08 2 09 2 10 2 02 2 51 2 39 2 11 2 01 2 53 2 52 ...

Page 173: ... 2 2 39 O ring 29 x 3 0 N EPDM 70 DIN 3771 445 138 2 40 Fixing plate flow sensor Ø 6 mm 483 011 30 20 7 2 41 O ring 4 x 2 5 N EPDM 70 445 175 2 42 Screw M6 x 20 DIN 912 8 8 402 350 2 43 Flow sensor eSTB NTC 5K 483 011 30 14 7 2 44 Fixing plate eSTB sensor 483 011 30 08 7 2 45 Screw Dm 4 x L10 409 329 2 46 Gasket DN70 EPDM for flue gas duct 669 369 2 47 Flue gas duct bracket WTC G 15 B 483 011 30 1...

Page 174: ...25 B Compact 14 Spares 83309302 1 2018 05 La 174 196 3 01 3 17 3 21 3 23 3 11 3 28 3 37 3 29 3 30 3 31 3 32 3 33 3 34 3 35 3 06 3 01 3 03 3 13 3 14 3 20 3 23 3 18 3 10 3 06 3 08 3 09 3 05 3 15 3 27 3 36 3 38 3 39 3 40 3 02 3 42 3 22 3 05 3 04 3 12 3 24 3 16 3 07 3 07 3 15 3 19 3 41 3 26 3 25 ...

Page 175: ...83 011 22 35 7 3 14 Screw 4 x 20 W1451 A3K 483 011 22 31 7 3 15 Clamp quick release fastener 483 011 22 09 7 3 16 Locking bolt quick release fastener 483 011 22 10 7 3 17 Micro fuse T4H 5 x 20 mm 483 011 22 44 7 3 18 Cover operating panel 483 011 22 15 2 3 19 Cover boiler control panel 483 011 22 16 2 3 20 WEM system device 2 0 cpl with SD card 483 011 22 24 2 3 21 SD card WEM system device 483 01...

Page 176: ...25 B Compact 14 Spares 83309302 1 2018 05 La 176 196 3 01 3 17 3 21 3 23 3 11 3 28 3 37 3 29 3 30 3 31 3 32 3 33 3 34 3 35 3 06 3 01 3 03 3 13 3 14 3 20 3 23 3 18 3 10 3 06 3 08 3 09 3 05 3 15 3 27 3 36 3 38 3 39 3 40 3 02 3 42 3 22 3 05 3 04 3 12 3 24 3 16 3 07 3 07 3 15 3 19 3 41 3 26 3 25 ...

Page 177: ...Order No 3 36 Cable loom ignition fan circulation pump 483 012 22 08 2 3 37 Screw W1452 2 2 x 6 409 376 3 38 Plug cable change over valve 3 way valve 483 012 22 06 2 3 39 Plug cable PWM circulation pump 483 012 22 07 2 3 40 Cable loom fan control valves 483 011 22 06 2 3 41 Hinge spring 483 011 22 46 7 3 42 Interconnecting wire GNGE 1 0 x 350 483 012 22 09 2 ...

Page 178: ... B Compact and WTC GB 25 B Compact 14 Spares 83309302 1 2018 05 La 178 196 4 03 4 01 4 12 4 14 4 29 4 15 4 10 4 23 4 23 4 16 4 25 4 07 4 05 4 04 4 13 4 06 4 30 4 02 4 07 4 08 4 22 4 07 4 31 4 28 4 07 4 27 4 24 4 21 4 22 4 18 4 19 4 23 4 23 4 26 4 17 4 18 4 20 4 09 4 11 ...

Page 179: ... 14 Circulation pump UPM3 15 70 GGMBP3 483 011 40 03 2 4 15 Screw M6 x 62 25 8 8 A2K galvanised 483 011 40 03 7 4 16 Siphon complete 483 011 40 15 2 4 17 Union nut G1 siphon 481 011 40 19 7 4 18 Seal siphon union nut G1 481 011 40 21 7 4 19 Siphon cover WTC 15 25 A 481 011 40 18 7 4 20 Condensate hose 25 x 430 long 483 015 40 01 7 4 21 Connecting pipe flow with plug connection WTC GB 15 B 483 015 ...

Page 180: ...act 14 Spares 83309302 1 2018 05 La 180 196 WAS 100 Bloc P A 5 02 5 06 5 01 5 02 5 02 5 02 5 07 5 01 5 11 5 08 5 19 5 18 5 12 5 02 5 22 5 22 5 02 5 21 5 01 5 02 5 02 5 16 5 17 5 24 5 23 5 25 5 26 5 27 5 20 5 15 5 02 5 02 5 03 5 02 5 04 5 04 5 11 5 02 5 13 5 02 5 02 5 05 5 14 5 02 5 09 5 02 5 04 5 10 ...

Page 181: ... 669 077 5 11 Seal 24 x 17 x 2 EN 1514 1 Gasfalit 441 080 5 12 Gas straight way cock G cpl 471 120 40 15 2 5 13 Check valve G x AG with SKB 471 108 40 01 7 5 14 Connection pipe flow 471 108 40 06 2 5 15 Connection pipe return 471 108 40 07 2 5 16 Elbow Fl x AG x AG 480 000 07 04 7 5 17 Drainage tap G 471 120 40 05 7 5 18 Funnel siphon 471 120 01 05 7 5 19 Condensate hose 24 x 3 x 1000 471 120 01 2...

Page 182: ...05 La 182 196 WAS 80 Power Bloc P A 6 01 6 28 6 27 6 02 6 35 6 36 6 34 6 02 6 26 6 07 6 02 6 06 6 22 6 09 6 10 6 08 6 19 6 02 6 02 6 21 6 21 6 15 6 15 6 23 6 02 6 02 6 25 6 25 6 33 6 32 6 31 6 30 6 29 6 18 6 20 6 02 6 02 6 03 6 01 6 16 6 17 6 02 6 02 6 02 6 05 6 04 6 02 6 04 6 02 6 02 6 13 6 02 6 14 6 11 6 12 6 11 6 04 6 37 6 02 ...

Page 183: ...t insulation 471 120 40 26 2 6 18 Non return valve gravity brake 471 120 40 18 7 6 19 Insulation for PWT WAS 115 471 120 40 19 7 6 20 Connection pipe with heat insulation 471 120 40 25 2 6 21 Seal 20 x 29 x 2 409 000 21 21 7 6 22 Circulation pump UPM3 K DHW 15 50 CIL3 max stage 4 5m preset 471 120 40 31 2 Plug cable PWM circulation pump 471 080 22 03 2 Connection cable for circulation pump UPM3 47...

Page 184: ...La 184 196 WAS 115 Power Bloc P B 7 01 7 28 7 27 7 02 7 35 7 36 7 34 7 02 7 01 7 16 7 17 7 02 7 26 7 22 7 09 7 10 7 08 7 19 7 02 7 02 7 21 7 15 7 15 7 21 7 23 7 02 7 02 7 24 7 25 7 33 7 32 7 31 7 30 7 29 7 18 7 18 7 20 7 02 7 02 7 03 7 04 7 02 7 05 7 02 7 04 7 02 7 02 7 02 7 13 7 02 7 14 7 11 7 12 7 11 7 04 7 37 7 07 7 02 7 06 7 02 ...

Page 185: ...t insulation 471 120 40 26 2 7 18 Non return valve gravity brake 471 120 40 18 7 7 19 Insulation for PWT WAS 115 471 120 40 19 7 7 20 Connection pipe with heat insulation 471 120 40 25 2 7 21 Seal 20 x 29 x 2 409 000 21 21 7 7 22 Circulation pump UPM3 K DHW 15 50 CIL3 max stage 4 5m preset 471 120 40 31 2 Plug cable PWM circulation pump 471 080 22 03 2 Connection cable for circulation pump UPM3 47...

Page 186: ...Installation and operating instruction Gas condensing unit WTC GB 15 B Compact and WTC GB 25 B Compact 14 Spares 83309302 1 2018 05 La 186 196 8 01 ...

Page 187: ...3309302 1 2018 05 La 187 196 Pos Description Order No 8 01 Service kit Consisting of Burner gasket Service cover seal Gasket ionisation electrode Ionisation electrode Gasket ignition electrode Ignition electrode Seal 17 x 24 x 2 AFM 34 2 Seal siphon union nut G1 WTC G 15 B 483 011 00 22 2 WTC G 25 B 483 111 00 22 2 ...

Page 188: ...Installation and operating instruction Gas condensing unit WTC GB 15 B Compact and WTC GB 25 B Compact 14 Spares 83309302 1 2018 05 La 188 196 9 02 9 03 9 05 9 04 9 06 9 01 ...

Page 189: ... cleaning blade 481 000 00 68 7 Cleaning blade 270 long 481 000 00 70 7 Screw M4 x 16 DIN 912 402 131 Hexagonal nut M4 DIN 985 411 104 9 03 Cleaning tool angled Handle cleaning tool 481 000 00 67 7 Mounting part cleaning blade 481 000 00 68 7 Cleaning blade angled 481 000 00 74 7 Screw M4 x 16 DIN 912 402 131 Hexagonal nut M4 DIN 985 411 104 9 04 Brush WT combustion chamber 483 000 00 85 7 9 05 Co...

Page 190: ...Installation and operating instruction Gas condensing unit WTC GB 15 B Compact and WTC GB 25 B Compact 15 Notes 83309302 1 2018 05 La 190 196 15 Notes ...

Page 191: ...4 Clearance 33 Coefficient of performance 24 Combustion air 8 Combustion chamber pressure 91 Combustion control 16 89 115 Combustion heat rating 24 118 Commissioning 94 102 105 Condensate 9 Condensate connection 44 Condensate hose 33 44 Condensate lift pump 44 Condensate lift unit 154 Condensate outlet 12 Condensate quantity 24 Connection pressure 40 104 114 Constant pressure 27 153 Constant press...

Page 192: ... 18 Forced partial load capacity 74 Forward reporting of faults 154 Forward reporting of operation 154 Frost protection 80 Fuel 22 Function specific heating 82 Funnel siphon 20 21 Fuse 13 Fusing 22 G Gas Appliance Category 22 Gas characteristics 40 Gas combi valve 13 68 141 Gas connection pressure 40 104 114 Gas flow pressure 40 114 Gas meter 118 Gas pressure switch 68 98 Gas quantity 76 Gas safet...

Page 193: ... instructions 116 Operating mode 59 70 72 75 153 Operating panel 55 Operating phase 66 Operating pressure 25 Operating problems 141 Operating status 65 Operating temperature 25 Operating unit 13 55 166 Operating volume 118 Operational status 54 Outlet tap 20 21 Output measurement 88 Output MFA1 98 Output test 93 Output VA1 98 Output VA2 98 Outputs 98 154 P Parallel movement 150 160 Parallel moveme...

Page 194: ...d attenuator 12 Sound power levels 23 Sound pressure level 23 Soundness test 103 Spares 169 171 181 183 185 Special level 152 Speed 68 Stabilisation of hardness 37 Standard volume 118 Standards 22 Standby 59 Standby loss 28 Start screen 56 Statistic 62 Status 65 Storage 22 Stratified tank 20 Summer 59 Summertime 63 Summer Winter change over 61 Supply air annular gap 45 117 Switch differential 74 8...

Page 195: ... 25 B Compact 16 Key word index 83309302 1 2018 05 La 195 196 Water content 25 Water hardness 34 Water treatment 34 37 Weather compensation 150 Web Portal 63 Web Portal 164 WEM Portal 63 WEM FA G 13 162 WEM Portal 154 155 164 Whistling sound 141 Wiring 162 Wiring diagram 47 50 51 52 53 162 ...

Page 196: ...Weishaupt GmbH 88475 Schwendi Weishaupt close by Addresses telephone numbers etc can be found at www weishaupt de We reserve the right to make changes All rights reserved Water heaters Energy storage The diverse program of potable water and energy storage for various heat sources includes storage volumes of 70 to 3 000 litres In order to minimize storage losses potable water cylinders from 140 to ...

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