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Instructions for installation and servicing ecoTEC / 839592_09

X 2

BUS

— +

24V

7 8 9

230V

L N 3 4 5

X 20

X40

X12

X41

Electronic control box

Aqua sensor

ecoTEC plus only:
NTC
Hot water
outlet

Fan unit

Ignition electrode

NTC
flow

Diverter valve

Gas valve assembly

Water pressure sensor

NTC
return

X 20/5 red

X 20/7 black

X 20/8 blue

X 2/12 green

X 2/11 red

X 2/9 black

Pump

X 20/18 red (24 VDC)

X 20/9 blue (earth)

X 20/16 blue (earth)

X 20/13 black

X 20/12 black

X 20/4 grey (PWM)

X 20/3 black (Hall signal)

X 20/17 red (24 VDC)

X 2/15 brown C

X 2/8 blue D

X 2/16 black A

X 2/7 pink B

X 2/3 red (+ 5V)

X 2/2 black (earth)

X 2/6 green (signal)

X 2/5 violet (signal)

X 2/1 black

NTC
Plate heat
exchanger

X 2/4 orange

X 2/10 black

Thermal fuse

Plug
in
coupling

Fig. 4.16 Connection wiring ecoTEC combination boiler

4 Boiler installation sequence

Содержание ecoTEC pro 24

Страница 1: ...5 ecoTEC plus 618 ecoTEC plus 624 ecoTEC plus 630 ecoTEC plus 637 ecoTEC plus 824 ecoTEC plus 831 ecoTEC plus 837 ecoTEC pro 28 ecoTEC pro 24 Instructions for installation and servicing ecoTEC Wall hu...

Страница 2: ...onnection 22 4 12 2 Pressure Relief Valve 23 4 13 Connecting the flue system to the boiler 23 4 14 Electrical connection 23 4 14 1 General requirements 23 4 14 2 Connection to the main supply 24 4 14...

Страница 3: ...ning the boiler 41 7 6 Test operation 41 8 Troubleshooting 41 8 1 Logical fault finding procedure 41 8 1 1 Status codes 41 8 1 2 Diagnostic codes 42 8 1 3 Fault codes 45 8 1 4 Fault memory 45 8 4 Test...

Страница 4: ...hot water is supplied directly from the boiler without requiring a copper cylinder cold water tank feed and expansion vessel and associated pipework Domestic hot water has priority over central heati...

Страница 5: ...to the inspec tion and maintenance conditions Danger Any incorrect use is forbidden The appliances must be installed by a competent person who is responsible for adhering to the existing regula tions...

Страница 6: ...load 80 C flow 60 C return 40 74 40 83 40 70 40 74 40 74 C C NOx class 5 Protection class IP X4D max flow temperature 85 C Adjustable flow temperature Default setting max 75 C 30 85 40 85 30 85 C Max...

Страница 7: ...8 13 9 5 7 17 1 g s g s Exhaust temperature at minimum thermal load 40 C flow 30 C return at maximum thermal load 80 C flow 60 C return 40 70 40 75 40 83 40 70 C C NOx class 5 Protection class IP X4D...

Страница 8: ...ination boilers only 3 Gas connection 15mm 4 Hot water connection 15mm combination boilers only 5 Heating flow pipe 22mm 6 Hanging bracket 7 Flue hole flue system 60 100 8 Flue hole flue system 80 125...

Страница 9: ...ctronics box 10 Pressure sensor 11 Hot water heat exchanger 12 Gas valve 13 Heat exchanger 14 Flue pipe connection 2 4 Type plate The type plate of the Valliant ecoTEC is attached to the bottom of the...

Страница 10: ...ssors on industrial and commercial premises IG UP 7 Edition 2 Gas installations in timber framed and light steel framed buildings IGE UP10 Installation of gas appliances in industrial and commercial p...

Страница 11: ...tank and ventilation above Fig Table 3 1 Contents included with delivery of ecoTEC plus system boilers 1 2 3 4 6 5 7 8 Fig 3 2 Contents included with delivery of ecoTEC plus combination boilers DO NO...

Страница 12: ...y for this purpose An existing cupboard or compartment may be used provided that it is modified for the purpose Details of essential features of cupboard compartment design including airing cupboard i...

Страница 13: ...increase siting flexibility 8 4 1456 542 901 Fig 3 5 Art No 0020060570 3 6 2 Optional 125mm flue system A concentric flue system of 125mm outside diameter is available and can be used to achieve flue...

Страница 14: ...t affecting the performance of the boiler In order to ensure that the condensate plume does not affect adjacent surfaces the terminal should be extended as shown in Fig 3 9 2 Dimension F This clearanc...

Страница 15: ...ary connection a sealed system filler pump with break tank must be used The heating system will not be filled automatically from the domes tic hot water side Alternative methods of filling sealed syst...

Страница 16: ...is shown in Fig 3 11 400 300 200 100 0 0 200 400 600 800 1000 1200 1600 Lift mbar Volumeflow l h 1800 1400 Fig 3 11 Pump specifications ecoTEC pro 3 11 2 System by pass An automatic system by pass is...

Страница 17: ...ean forward sideways Clear the route before attempting the lift If removing boiler from truck strad dle the load and tilt forwards to facilitate secure grip Ensure safe lifting techniques are used kee...

Страница 18: ...lift when removed from the carton Obtain firm grip on front and sides of appliance lift upwards ensure stable balance achieved and lift upwards to drop into place onto brack et If 2 persons positioni...

Страница 19: ...the hanging bracket Note Use alternative fixing holes where necessary 4 3 Flue exit If using rear flue mark the position of the air flue duct and its circumference Other flue options Flue instructions...

Страница 20: ...cinder hemp putty rust rough dust and similar sub stances are removed from the pipes Otherwise such substances can be deposited in the appli ance and cause damage The appliance is fitted with an expan...

Страница 21: ...r connection Fit the union nut 4 and the compression olive 3 to the pre formed tail provided with ecoTEC plus appli ances 5 The diameter of the pipe is 15mm Fully insert the pre formed tail into the s...

Страница 22: ...f freezing and should not be more than 3m d at a condensate absorption point soakaway 7 The external pipe length should not be more than 3m Refer to BS 6798 Specification for installation of gas fired...

Страница 23: ...3 Fig 4 12 Installing the drain pipe on the pressure release valve of the heating system picture shows ecoTEC plus combination boiler The pressure release valve for the heating system is integrated i...

Страница 24: ...ct any power voltage to the con nections 7 8 9 or BUS Note Ensure that all cords pass through the cable clamps in the rear of the control box and are securely fixed Ensure that the power supply is con...

Страница 25: ...50 Hz remove bridge on connection Heating pump With ecoTEC pro 1 step pump plug with 3 pin With ecoTEC plus 2 step pump plug with 5 pin Mains supply 230 V 50 Hz 2A fuse slow Igniter Caution Do not co...

Страница 26: ...ck X 20 7 black X 20 8 blue X 2 12 green X 2 11 red X 2 9 black Pump X 20 18 red 24 VDC X 20 9 blue earth X 20 16 blue earth X 20 13 black X 20 12 black X 20 4 grey PWM X 20 3 black Hall signal X 20 1...

Страница 27: ...e sensor NTC return X 20 5 red X 20 7 black X 20 7 black X 20 8 blue X 2 10 black X 2 14 brown X 2 12 green X 2 11 red X 2 9 black Pump X 20 18 red 24 VDC X 20 9 blue earth X 20 16 blue earth X 20 13...

Страница 28: ...nd 4 Terminal 5 is an additional neutral connection for external neutrals such as from the anticipator of a room thermostat 4 15 3 Connection details for external time switches and boiler terminal str...

Страница 29: ...switches off 4 19 Anticycling economiser control The boiler incorporates a built in anticycling control to ensure that energy wasteful short cycling of the boiler cannot occur This control prevents th...

Страница 30: ...d bleeding the heating system Note The P 6 test program is for filling the heating system The diverter valve combination boilers only moves to the centre position the pump does not run and the applian...

Страница 31: ...mostat valves Check if both stop valves on the heater are open Only in ecoTEC plus combination boilers Connect the filling pipe as described in Section 5 4 2 Only in ecoTEC plus system boilers and in...

Страница 32: ...setting of the operating mode dependent pump speed under the diagnostic number d 19 see section 8 1 2 5 8 Adjusting the by pass The appliances have an adjustable by pass valve The pressure can be adj...

Страница 33: ...perating conditions The gas rate has been set during production and does not require adjustment The gas rate of the boiler should be checked with the front case fitted as follows Activate full gas rat...

Страница 34: ...flash while the adjustment procedure is being carried out The available ranges of settings are given in Table 5 2 Push the i button for about five seconds or until the display stops flashing The value...

Страница 35: ...Press i to activate the status indicator As soon as a heat demand is received the appliance runs through the status indicators S 1 to S 3 until the appliance is running correctly in normal mode and th...

Страница 36: ...h the Gas Safety Installation and Use Regulations 1998 and the manufacturer s instructions In the UK CORGI registered installers undertake the work in compliance with safe and satisfactory standards A...

Страница 37: ...maintenance instructions column 2 x 3 Check combustion by measuring CO and CO2 values compare to table 9 2 If the measurement is outside the tolerances follow the maintenance instructions column 2 If...

Страница 38: ...valve Turn off the boiler CH service valves Loosen screw release the front case spring retaining clips located beneath the front edge of the appliance Remove the front casing by easing forward the bo...

Страница 39: ...inegar 7 2 3 Checking the burner 1 Fig 7 4 Checking burner The burner 1 is maintenance free and needs no cleaning Check the burner surface for damage replace the burner if necessary After checking rep...

Страница 40: ...correctly located 7 3 Cleaning the condensate siphon Danger Note that if the boiler is run with an empty condensate trap there is a danger that fumes might escape into the room and cause poison ing F...

Страница 41: ...use the fault finding guide 1 Carry out electrical safety checks see section Preliminary Electrical Checks 2 Check that the external electricity supply to the boiler is on and a supply of 230 V is pre...

Страница 42: ...g burner operation S 52 Water pressure 2 9 bar S 53 Appliance is within the waiting period of the operation block function due to water shortage VL RL spread too big S 54 Appliance is within the waiti...

Страница 43: ...ext eBUS target value and target value terminal 7 d 10 Status internal heating pump 1 on 0 off d 11 Status external heating pump 1 to 100 on 0 off d 12 Cylinder charging pump via accessory module 1 t...

Страница 44: ...0 adjustment range 99 to 0 d 58 From the third quarter of 2006 Activation of solar reheating Setting range 0 to 3 0 solar reheating disabled factory setting 3 activation of min hot water target value...

Страница 45: ...es 80 to 83 If d 80 for example is selected only the first two digits of the number are displayed e g 10 The display switches to the last three digits e g 947 by pressing i In this example the number...

Страница 46: ...ot inserted correctly on fan hall sensor defec tive fault in cable harness electronics defective F 49 eBUS undervoltage Short circuit on eBUS overload on eBUS or two power sources on eBUS with differe...

Страница 47: ...listed below in this section may be carried out only by a qualified engineer Only use genuine spare parts for repairs Make sure the parts are correctly fitted and that their original position and alig...

Страница 48: ...check see section 7 6 9 4 Replacing expansion vessel 1 2 3 4 Fig 9 4 Replacing expansion vessel Danger Before replacing the component comply with the safety instructions in Section 9 1 Disconnect the...

Страница 49: ...nger Neither loosen nor retighten the four screws Fig 9 5 Pos 4 Caution Insert the seal rings for the flow and return pipe on the primary heat exchanger with a suitable lubricant Insert the flow and r...

Страница 50: ...ch adjustment until the value stabilises Only for liquid gas Adjust only in very small increments approx 1 16 turn and wait approx 1 minute after each adjustment until the value stabilises Fold back t...

Страница 51: ...51 Instructions for installation and servicing ecoTEC 839592_09 Appendix Appendix...

Страница 52: ...Benchmark gas boiler commissioning checklist...

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Страница 56: ...839592_09 GB 05 2008...

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