background image

Inspection and maintenance 11

0020224355_00 HOME Installation and maintenance instructions

25

1

5.

Using water to clean the condensate tray

(1)

.

The water runs out into the condensate siphon.

11.10 Cleaning the condensate siphon

C

2

3

1

A

B

1.

Unclip the lower section of the siphon

(1)

from the up-

per section of the siphon

(2)

.

2.

Remove the float

(3)

.

3.

Flush out the float and lower section of the siphon with
water.

4.

Fill the lower section of the siphon with water up to 10
mm below the upper edge of the condensate drain pipe-
work.

5.

Reinsert the float

(3)

.

Note

Check whether the float is present in the
condensate siphon.

6.

Clip the lower section of the siphon

(1)

into the upper

section of the siphon

(2)

.

11.11 Cleaning the filter in the cold water inlet

1.

Close the main cold water supply line.

2.

Drain the product on the hot water side.

3.

Remove the connection piece from the connection for
the product's cold water supply.

4.

Clean the filter in the cold water inlet without removing
it.

11.12 Cleaning the heating filter

1

3

2

1.

Drain the product. (

Page 26)

2.

Remove the temperature sensor

(3)

.

3.

Remove the upper clip

(1)

.

3

2

4

4.

Remove the lower clip

(2)

.

5.

Remove the supply pipe

(3)

.

6.

Remove the heating filter

(4)

and clean it.

7.

Reinstall the components in the reverse order.

Summary of Contents for home combi

Page 1: ...n and maintenance instructions HOME COMBI GB IE Installation and maintenance instructions Publisher manufacturer Vaillant GmbH Berghauser Str 40 D 42859 Remscheid Tel 49 21 91 18 0 Fax 49 21 91 18 28...

Page 2: ...8 7 9 Checking and adjusting the gas settings 19 7 10 Checking function and leak tightness 20 8 Adapting the unit to the heating installation 20 8 1 Burner anti cycling time 20 8 2 Setting the pump ou...

Page 3: ...Contents 0020224355_00 HOME Installation and maintenance instructions 3 J Combustion chart 46 K Lengths of the air flue pipe 47 L Technical data 47 Index 50...

Page 4: ...ypes follow the specifications in these in structions Intended use includes the following observance of accompanying operating installation and servicing instructions for the product and any other sys...

Page 5: ...fety devices in the system Observe the applicable national and inter national laws standards and guidelines 1 4 7 Risk of poisoning and burns caused by escaping hot flue gases Only operate the product...

Page 6: ...HOME 0020224355_00 1 4 12 Risk of material damage caused by using an unsuitable tool Use the correct tool to tighten or loosen screw connections 1 5 Regulations directives laws standards Observe the...

Page 7: ...plate Meaning Barcode with serial number Information on the identification plate Meaning Serial number For quality control purposes 3rd and 4th digits year of production For quality control purposes...

Page 8: ...d reposition your feet If the unit is being lifted by two persons ensure your movements are coordinated during lifting Avoid bending your upper body do not lean forwards or to the side Wear suitable n...

Page 9: ...drill holes and make breakthroughs 4 8 Wall mounting the product 1 Check whether the wall has sufficient load bearing ca pacity to bear the operational weight of the product 2 Wall mount the product...

Page 10: ...s remove only one side section never both side sections at the same time Note If there is sufficient lateral clearance at least 50 mm you can remove the side section to facilitate maintenance or repai...

Page 11: ...the system with thermal insulation Preliminary work 1 Check that the system volume and the volumetric capa city of the expansion vessel are the same If the volume of the expansion vessel is insuffici...

Page 12: ...p small pockets of water close to the pipe wall which can freeze and build into a larger ice plug As with other pipe work insulate the condensate dis charge pipe to minimise any risk of freezing and b...

Page 13: ...n attachment for separate lines must lead to a 50 cm sided square For each additional 90 elbow or two 45 elbows that is required the length L must be reduced by 1 m Length of the C13 type flue pipe Pa...

Page 14: ...rrying out the wiring 30 mm max 1 Shorten the connection cables to the appropriate lengths to prevent them from causing damage inside the electronics box 2 Screw the plug to the connection cable 3 Plu...

Page 15: ...inuous pump operating mode Conditions If you are connecting a controller 230 V 30 mm N L X1 230V RT Connect the controller to the main plug Remove the bridge from the plug 24V RT 4 Close the electroni...

Page 16: ...ck programme OFF is shown in the display 8 Press and hold the button for 3 seconds to finish the check programmes End is shown in the display The display switches to the basic display Note If you do n...

Page 17: ...f the heating water is less than 6 5 or more than 8 5 Total heating output Water hardness at specific system volume 1 20 l kW 20 l kW 50 l kW 50 l kW kW ppm CaCO mol m ppm CaCO mol m ppm CaCO mol m 50...

Page 18: ...r vent and the hydraulic console 2 Remove the caps from the automatic air vents 3 Fill with water until the required filling pressure is reached Recommended filling pressure 1 1 5 bar The heating and...

Page 19: ...w 2 for the measuring nipple Open the gas isolator cock 1 Check the measuring nipple for gas tightness Close the gas isolator cock 1 Fit the front panel Page 10 Disconnect the product from the power m...

Page 20: ...k the gas line the flue gas installation the heating installation and the hot water pipes for leaks Check that the air flue pipe and condensate drain pipe work have been installed correctly Check that...

Page 21: ...put in circuit l h B Available pressure kPa Flow rate pressure curves for 30 kW pressure measured downstream of the valves 2 1 3 4 60 70 50 30 20 40 10 0 500 1000 1500 A B 1 Maximum speed by pass clos...

Page 22: ...uct maintained on a regular basis Instruct the operator about measures taken to ensure the supply of combustion air and flue gas pipe 11 Inspection and maintenance 11 1 Observing inspection and mainte...

Page 23: ...d front cas ing installed front casing Natural gas G20 CO at full load 9 2 0 2 Set for Wobbe index W 14 09 kW h m O at full load 4 5 1 8 vol CO at full load 250 ppm CO CO 0 0027 If the setting is not...

Page 24: ...to the condensate tray 11 7 Checking the burner 1 Search the surface of the burner for possible damage If you see any damage replace the burner 2 Install the two new burner seals 11 8 Checking the ign...

Page 25: ...Reinsert the float 3 Note Check whether the float is present in the condensate siphon 6 Clip the lower section of the siphon 1 into the upper section of the siphon 2 11 11 Cleaning the filter in the c...

Page 26: ...wn for more than 3 seconds If you are unable to clear the fault code and it reappears despite several fault clearance attempts contact cus tomer service 12 2 Calling up the fault memory The last ten f...

Page 27: ...ll in place on the fan 7 9 Install the new gas valve in reverse order 10 Check the CO content Page 22 11 Set the CO content Page 23 12 6 4 Replacing the heat exchanger 1 Remove the gas air mixture uni...

Page 28: ...e pump cable to the electronics box 12 6 6 Replacing the expansion vessel 1 Drain the product Page 26 B C 1 2 3 A D 2 Undo the nut 3 3 Remove both screws on the support plate 1 4 Remove the support pl...

Page 29: ...ng the flow sensor 1 B A 1 Pull out the plug 2 Remove the flow sensor 1 3 Install the new flow sensor 4 Plug in the plug 12 6 11 Replace the pressure sensor 1 2 1 Pull out the plug 2 Remove the clip 1...

Page 30: ...unction is active for 15 minutes P 06 Purging the heating circuit The diverter valve is moved to the heating position The function is activated in the heating circuit for 15 minutes The pump runs and...

Page 31: ...ng circuit s shunt pump Current value off on Not adjustable d 13 Status of the hot water circuit s circulation pump Current value off on Not adjustable d 14 Operating mode of the modulating pump 0 5 0...

Page 32: ...inder charging pump 4 Extractor hood 5 External solenoid valve 6 External fault message 7 Solar pump omitted 8 eBUS remote control 9 Legionella protection pump 10 Solar valve 1 Adjustable d 28 Functio...

Page 33: ...Function deactivated on Function activated 1 Adjustable d 67 Remaining burner anti cycling time setting un der d 02 Current value min Not adjustable d 68 Number of unsuccessful ignitions at 1st attem...

Page 34: ...CB Adjustable d 96 Default setting reset 0 No 1 Yes Adjustable d 128 Heating minimum target value 10 75 1 10 Adjustable d 129 Minimum hot water tar get value 35 com bination unit 45 pure boiler 60 1 3...

Page 35: ...heating and hot water request blocked S 97 Automatic test programme Water pressure sensor heating and hot water request blocked S 98 Automatic test programme Return temperature sensor heating and hot...

Page 36: ...in pressure monitor defective line removed from between the pressure monitor and silencer air flue pipe blocked and silencer not installed properly F 49 eBUS fault Voltage too low Short circuit on eB...

Page 37: ...turn temperature sensors have been inverted flow and return temperature sensors have not been correctly installed F 85 Fault Temperature sensor The flow and or return temperature sensors have been ins...

Page 38: ...FUS X106 X32 X90 X12 X35 X1 X21 L N RT 230Vac L N X35 1 3 4 1 3 3 1 2 M 1 3 4 6 1 2 3 eBUS Burner off X106 M 5 4 2 1 2 1 2 1 N L L 24V 230V 24V 230V 2 8 9 10 11 13 12 1 5 4 3 6 7 15 14 1 Main PCB 2 In...

Page 39: ...9 3 15 4 5 10 11 6 13 X51 X1 X21 L N L N 1 3 4 1 3 3 1 2 M 1 3 4 6 1 2 3 eBUS Burner off X106 M 4 3 2 1 5 4 2 1 5 6 7 8 2 1 2 1 N L X35 X35 24V 230V 24V 230V 2 8 9 10 11 13 12 1 5 4 6 7 15 14 3 1 Main...

Page 40: ...g pres sure X 9 Check the ignition electrode X X 10 Remove the gas air mixture unit X 11 Replace both burner seals each time it is opened and accordingly each time maintenance work is carried out X 12...

Page 41: ...s 75 mm E Below eaves 200 mm F Below balconies or car port roofs 200 mm G From vertical wastewater pipes or down pipes 150 mm H From external or internal corners 200 mm I Above floors roofs or balconi...

Page 42: ...ithout affecting the performance of the boiler In order to ensure that the condensate vapour plume does not damage adjacent surfaces the terminal should be exten ded as shown Dimension H This clearanc...

Page 43: ...ance instructions 43 I Commissioning Checklist Heating and Hotwater Industry Council HHIC www centralheating co uk Benchmark Commissioning and Servicing Section It is a requirement that the boiler is...

Page 44: ...he appropriate Building Regulations and then handed to the customer to keep for future reference GAS BOILER SYSTEM COMMISSIONING CHECKLIST CONTROLS Optimum start control Fitted Fitted Fitted Fitted AL...

Page 45: ...stem is serviced regularly and that the appropriate Service Interval Record is completed Service Provider SERVICE RECORD SERVICE 01 AND AND SERVICE 02 AND AND SERVICE 03 AND AND SERVICE 04 AND AND SER...

Page 46: ...cify how to set boiler to minimum rate contact Technical Helpline for advice CHECK CO AND COMBUSTION RATIO AT MINIMUM RATE With boiler still set at minimum rate insert analyser probe into flue gas sam...

Page 47: ...A H GB HOME COMBI 30 A H GB HOME COMBI 35 A H GB Maximum heating flow temperat ure default setting 75 75 75 Max range of the flow temperat ure regulation 10 80 10 80 10 80 Maximum permissible pressure...

Page 48: ...e range 35 60 35 60 35 60 Throughflow volume limiter 10 l min 12 l min 14 l min Technical data General HOME COMBI 25 A H GB HOME COMBI 30 A H GB HOME COMBI 35 A H GB Diameter of the gas pipe 1 2 inch...

Page 49: ...filled with water 36 kg 37 1 kg 37 2 kg Technical data Electrics HOME COMBI 25 A H GB HOME COMBI 30 A H GB HOME COMBI 35 A H GB Electric connection 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz Built in fuse sl...

Page 50: ...onnection piece 12 Front casing closed 5 Frost 5 H Handing over to the operator 22 I Identification plate 7 If you smell gas 4 Inspection work 22 40 Installation site 5 Intended use 4 M Mains connecti...

Page 51: ......

Page 52: ...ables 0207 022 0928 Vaillant Service Solutions 0330 100 3461 Spares Technical Enquiries 01773 596615 info vaillant co uk technicalspares groupservice co uk www vaillant co uk These instructions or par...

Reviews: