State Water Heaters SCE 65-400 Page 55 Installation, User And Service Manual Download | Manualshive

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Release R.1.0 Uk

55

8

Faults

8.1

Introduction

The following faults are examined in this chapter:
•

General faults:
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-

-

Explosive ignition

.

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Poor flame profile

.

-

Power Anode (optional)

•

•

Insufficient hot water

General faults cannot be indicated on the control panel, though as a rule they
will not result in insufficient or even no hot water.
If no hot water is supplied, there is a fault state. See paragraph

'.

If there is not enough hot water, this is usually due to incorrect programming or
a temporary problem.
The following paragraphs illustrate the faults in tabular format.

gis

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Summary of Contents for SCE 65-400

Page 1: ...Installation User and Service Manual 80 115 80 140 80 180 95 199 95 260 70 360 65 400 65 500 Release R 1 0 Uk ...

Page 2: ...your installer ...

Page 3: ...ed in this manual and in accordance with the General Conditions submitted to the Eindhoven Chamber of Commerce See also the General Conditions These are obtainable from us free of charge Although a great deal of care is given to ensuring correct and where necessary a full description of the relevant components it may occur that the manual contains errors and ambiguities Should you actually find an...

Page 4: ...4 SCE Instruction Manual ...

Page 5: ...lation sealed 16 2 5 2 Vented installation open 17 2 5 3 T P valve 17 3 Installation 19 3 1 Introduction 19 3 2 Packaging 21 3 3 Environmental conditions 21 3 3 1 Working space 21 3 3 2 Humidity and ambient temperature 21 3 3 3 Maximum floor load 22 3 3 4 Water composition 22 3 4 Technical specifications 22 3 5 Circuit diagram 24 3 6 Water connections Unvented 26 3 6 1 Cold water side 26 3 6 2 Shu...

Page 6: ...llations 45 5 Controls 47 5 1 Introduction 47 5 2 Control panel 47 5 3 Meaning of the icons 48 5 4 I 0 II switch 48 5 5 Control thermostat 48 5 6 Burner controller reset button 49 5 7 Week timer switching 49 5 8 Flue gas outlet cut out reset button 50 6 Status of the appliance 51 6 1 Introduction 51 6 2 Operating states 51 6 3 Power Anode Status 51 6 4 Fault states 52 7 Putting into and out of ope...

Page 7: ...lean the injectors 63 9 4 4 Check flue baffles 63 9 5 Completing maintenance 63 10 Warranty Certificate 65 10 1 Warranty general 65 10 2 Tank warranty 65 10 3 Installation and conditions of use 65 10 4 Exclusions 66 10 5 Scope of the warranty 66 10 6 Claims 66 10 7 Obligations incumbent on State 66 A Appendices 67 A 1 Introduction 67 A 2 Electrical diagram SCE 68 A 2 1 Electrical diagram SCE 65 50...

Page 8: ...8 Instruction Manual SCE gis ...

Page 9: ...ng to the appliance 1 2 What to do in the case of gas smell Warning For gas smell No naked flames No smoking Avoid sparking Do not use any electrical switches so no telephones plugs or bells Close the main gas supply Open windows and doors Warn residents and leave the building After leaving the building warn the gas distribution company or installer 1 3 Regulations As the end user installer or ser...

Page 10: ...enance frequency depends amongst other things on the water quality the average burning time per day and the set water temperature n Remark To determine what the correct maintenance frequency is it is recommended to get the service and maintenance engineer to check the appliance on the water and gas side three months after installation The maintenance frequency can be ascertained on the basis of th...

Page 11: ...er describes how to fill and drain the appliance 5 Controls gis This chapter describes the general controls on the appliance and provides and explanation of the control panel 6 Status of the appliance gis This chapter describes the status state that you might find the appliance in and what subsequent action is to be taken 7 Putting into and out of operation gis This chapter describes how to put th...

Page 12: ...Introduction 12 Instruction Manual SCE 1 gis ...

Page 13: ...Uk 13 gis 2 Operating the appliance 2 1 Introduction The following will be examined in turn in this chapter General operation of the appliance Warm up cycle of the appliance Protecting the appliance Safety of the installation gis ...

Page 14: ...rner tray Whilst the gas is being injected into the bar burners the primary air that is needed for combustion is also sucked in 1 Air is also sucked in through the openings in the burner tray The glow igniter A is responsible for igniting the gas air mixture The flue gases released during combustion here are drawn Legend a flue gas outlet b draught diverter c anodes d flue tubes e flue baffles f P...

Page 15: ...e selected state of the appliance see paragraph 6 2 Operating states If the appliance is in its OFF mode frost protection then this value is determined by the frost thermostat threshold value 20 C If the appliance is in its ON mode then the threshold value can be set via the control thermostat 40 C 70 C As soon as Twater falls below Tset the control or frost thermostat in question closes and the b...

Page 16: ...essel pressure overflow valve non return valve and a T P valve Use of an expension vessel a pressure overflow valve and or a pressure reduction valve depends on the type of installation unvented or vented 2 5 1 Unvented installation sealed With an unvented installation a pressure overflow valve and expension vessel prevent excessive pressure in the tank This prevents damage from occurring to the e...

Page 17: ... P valve is only required in unvented installations State however also recommends the use of a T P valve in vented installations A T P valve monitors the pressure in the tank and the water temperature at the top of the tank If the pressure in the tank becomes too high 10 bar or the water temperature is too high 97 C the valve will open The hot water can now flow out of the tank Because the applian...

Page 18: ...Operating the appliance 18 Instruction Manual SCE 2 gis ...

Page 19: ...ons See also paragraph 1 3 Regulations 3 1 Introduction This chapter describes the installation instructions to be carried out before you can finally put the appliance into operation namely Packaging Environmental conditions Technical specifications Water connections Unvented Water connections Vented Gas connection Flue gas outlet Electrical connection Convert to another category of gas Checking t...

Page 20: ...Installation 20 Instruction Manual SCE 3 is Figure 3 1 Top and front of the appliance IMD 0145 ...

Page 21: ...m the appliance s control column and cleaning openings 100 cm BB around the appliance 50 cm The top of the appliance room to replace the anodes 100 cm if using fixed anodes or 50 cm if using flexible anodes If the space is smaller than 100 cm you can order flexible magnesium anodes from State Water Heaters n Remark When installing the appliance be aware that any leak from the tank and or connectio...

Page 22: ...lled with water SCE 80 115 SCE 80 140 SCE 80 180 SCE 95 199 SCE 95 260 SCE 70 360 SCE 65 400 SCE 65 500 523 kg 523 kg 525 kg 594 kg 597 kg 540 kg 531 kg 582 Table 3 3 Water specifications Water composition Hardness alkaline earth ions 1 00 mmol l German hardness 5 6 dH French hardness 10 0 fH British hardness 7 0 eH Conductivity 125 µS cm Acidity pH value 7 0 pH value 9 5 Table 3 4 Dimensions SCE ...

Page 23: ...00 Data natural gas gas category 2H Diameter of injectors mm 2 90 3 20 3 20 3 30 2 95 3 20 3 30 3 90 Burner pressure regulator Yes Yes Yes Yes Yes Yes Yes Yes G20 Nominal load Upper Value kW 33 9 42 1 53 4 59 9 83 2 102 6 128 8 142 4 Supply pressure mbar 20 20 20 20 20 20 20 20 Burner pressure 1 mbar 8 5 8 6 7 8 8 5 8 5 9 2 7 8 11 5 Gas consumption 2 m h 3 2 4 0 5 1 5 7 7 9 9 8 12 3 13 6 Warm up t...

Page 24: ...n practice however the burner pressure will be lower 2 Based on 1013 25 mbar and 15 C Table 3 6 Data general Description Unit SCE 80 115 SCE 80 140 SCE 80 180 SCE 95 199 SCE 95 260 SCE 70 360 SCE 65 400 SCE 65 500 Contents litres 309 309 298 357 335 278 253 252 Number of bar burners injectors 3 3 4 4 7 7 9 6 Number of flue tubes flue baffles 5 5 7 6 9 12 16 17 Empty weight kg 214 214 227 237 262 2...

Page 25: ...alve h gas valve obligatory i stop valve obligatory j temperature gauge recommended k shunt pump optional l draught diverter m hot water draw off points n pressure overflow valve obligatory o water reservoir p float switch q 3 way venting valve recommended r overflow pipe a cold water supply b hot water outlet c circulation pipe d gas supply e flue gas outlet Figure 3 2 Connection diagrams 13 UNVE...

Page 26: ... an open water drain pipe 3 6 2 Shunt pipe You can connect a shunt pump to prevent stacking of the water in the waterheater 1 Optional fit a shunt pipe depending on the tap design Ø 22 mm a stop valve i and a shunt pump shunt pump k 2 Fit a non return valve e 3 Fit a stop valve i 3 6 3 Hot water side See b in Figure 3 2 n Remark Insulating long hot water pipes prevents unnecessary energy loss 1 Fi...

Page 27: ... water side See a in Figure 3 2 1 Fit an approved stop valve on the cold water side between the water reservoir o and the appliance i in accordance with the regulations in force See also paragraph 1 3 Regulations 3 7 2 Shunt pipe You can connect a shunt pump to prevent stacking of the water in the waterheater 1 Optional fit a shunt pipe depending on the tap design Ø 22 mm a stop valve i and a shun...

Page 28: ... only be carried out by an approved installer and in accordance with the general regulations of gas companies that are in force See also paragraph 1 3 Regulations cNote Make sure that the diameter and length of the gas supply pipe is dimensioned so that sufficient capacity can be supplied for the appliance See d in Figure 3 2 1 Fit a gas valve h in the gas supply pipe 2 Syringe the gas pipe with a...

Page 29: ...les must be roughly in line with the flue gas thermostat bracket 2 Now drill two holes into the top of the appliance 3 2 mm drill bit 3 Using the fastening screws fix the draft limiting device to the appliance 4 Fit to the opening of the draft limiting device a vertical flue gas outlet pipe flue gas outlet pipe c measuring at least 0 5 metres and then fit the rest of the flue gas outlet materials ...

Page 30: ... If the flue gas thermostat is not or is incorrectly fitted connected the flue gas outlet will not be protected An incorrect flue gas outlet can result in flue gasses venting into the installation room Fit the flue gas thermostat as follows 1 Remove flue gas thermostat assembly a from the packet 2 Mount the bracket b with the thermostat on the top of the unit 3 Connect the connector from the flue ...

Page 31: ...se sensitive It is an absolute requirement that the phase L from the mains supply is connected to the phase of the appliance and the neutral N from the mains supply is connected to the neutral of the appliance Furthermore there should not be any voltage differential between neutral N and earth A If this is the case then an isolating transformer should be used For further information or information...

Page 32: ... voltage by means of a permanent electrical connection A two terminal main switch with a contact gap of at least 3 mm must be fitted between this fixed connection and the appliance The supply cable must incorporate cores measuring a minimum of 3 x 1 0 mm2 1 Feed the supply cable through the metric pull relief on the top of the control column 2 Connect earth A phase L1 and neutral N on the supply c...

Page 33: ...utput Fault OUTPUT is a potential free contact that is switched in case of a fault Objects e g one or more LEDs can be connected to this in order to indicate the fault max 250V 10A The object s can be both connected in a circuit with a make contact LED is on in case of a fault and in a circuit with a break LED is on during normal use 1 Feed the extra indicator cable through the metric pull relief ...

Page 34: ...f gas SCE 65 500 3 11 2 Conversion to another gas category SCE 80 115 to 65 400 incl 80 115 80 140 80 180 95 199 95 260 70 360 65 400 1 Disconnect the appliance from the mains See paragraph 7 3 2 Disconnecting the appliance from the mains 2 Switch off the gas supply Remember The burner may be hot 3 Screw the cover plate a from the burner support 4 Use a suitable tool to remove the blocking strips ...

Page 35: ...unt the burners in their suspended position 9 Fit the blocking strips n Remark If loosened fit the radiation shield the condensation tray 10 Check whether the gas control is designed with a burner pressure regulator d or with a flat sealing plate f 11 Check with the help of the burner pressure in Table 3 5 whether a burner pressure regulator has to be used for the new gas category Legend See Figur...

Page 36: ...ting plate This clearly indicates that the appliance no longer operates on the gas for which it was originally supplied 15 Put the appliance into operation see paragraph 7 2 3 11 3 Convert to another category of gas SCE 65 500 Introduction This paragraph describes the Converting from LP gas to natural gas Converting from natural gas to LP gas Converting from LP gas to natural gas 1 Complete steps ...

Page 37: ...high low regulator cable 0 Remove this cable 7 Fit the stop plug from the conversion kit in place of the metric pull relief 8 Connect the cables from the gas control the glow igniter and ionisation pin to the 6 pole terminal strip as shown in the electric diagram See the appendices A 2 1 Electrical diagram SCE 65 500 LP and A 2 2 Electrical diagram SCE Legend See Figure 3 9 for numbers 1 to 3 4 ti...

Page 38: ...ol column and replace it with the metric pull relief 9 from the conversion kit 7 Feed the high low regulator cable 0 through the pull relief and tighten the pull relief so that the cable is jammed 8 Connect the high low regulator cable 0 using the plug to the high low regulator 2 9 Connect the cables for the timers high low control program gas control and the glow plug as set out in the electrical...

Page 39: ...ressure regulator adjusting screw d connector for the gas control e flat sealing plate f test nipple supply pressure g gas control h test nipple manifold i high low regulator Block for SCE 80 115 80 140 80 180 95 199 95 260 70 360 65 400 Figure 3 11 Gas controls for the two designs e d f g b IMD 0127 a c h IMD 0129 a i g f b c h Block for SCE 65 500 ...

Page 40: ...e starts and the burner tray will ignite after a short time 9 After the burner bed has ignited you have to wait for approximately 1 minute before you can read the dynamic pressures 10 Use the manometer to read the supply pressure at the test nipple f View Table 3 9 n Remark Consult the manager of the gas mains supply if the supply pressure is not correct 11 Use the manometer to read the burner pre...

Page 41: ... screw clockwise Burner pressure increases 14 Cover the opening of the adjusting screw and check the burner pressure at the specified value from Table 3 9 15 If the set pressure is not correct repeat steps 13 and 14 until the correct pressure is attained 16 Fit the cap b on the burner pressure regulator 17 Put the appliance out of operation by setting the I 0 II switch to the 0 position 18 Switch ...

Page 42: ...Installation 42 Instruction Manual SCE 3 is ...

Page 43: ...alve obligatory d stop valve recommended e non return valve obligatory f circulation pump optional g drain valve h gas valve obligatory i stop valve obligatory j temperature gauge recommended k shunt pump optional l draught diverter m hot water draw off points n pressure overflow valve obligatory o water reservoir p float switch q 3 way venting valve recommended r overflow pipe a cold water supply...

Page 44: ...tallations To fill the appliance follow the instructions below 1 Open the stop valve i on the hot water pipe and if present the stop valves d for the circulation pump 2 Shut off the drain valve g 3 Open the adjacent drainage point m 4 Open a the supply cock i on the cold water side so that cold water runs into the appliance 5 Completely fill the appliance when water is spouting out of the adjacent...

Page 45: ... is necessary to drain the appliance The procedure is as follows 1 Put the appliance out of operation by setting the I 0 II switch to the 0 position 2 Switch off the gas supply h 3 Shut off the stop valve i in the hot water pipe 4 Shut off the stop valve between the water reservoir and the cold water inlet 5 Open the drain valve g 6 Bleed the appliance or installation so that it is able to complet...

Page 46: ...Filling and draining 46 Instruction Manual SCE 4 gis ...

Page 47: ...er switching 5 8 Flue gas outlet cut out reset button 5 2 Control panel Figure 5 1 illustrates the control panel The panel consists of an I 0 II switch a reset button a control thermostat with rotary knob two indicator LEDs Week timer optional Power Anode indicator LED optional Figure 5 1 The control panel 0063 12 12 6 3 9 1 0 0 1 0 1 0 1 0 1 0 1 0 1 M on M on Su n Su n S a t S a t F r i F r i T h...

Page 48: ... electricity grid 5 5 Control thermostat Using the rotary knob on the control thermostat you can set the desired water temperature to between 40 C and 70 C The rotary knob is continuous and has divisions of 1 to 4 Table 5 2 provides an overview of positions and temperatures Table 5 1 icons and their meaning Icon Name Meaning I 0 II switch ON mode OFF mode Reset button Resetting the burner controll...

Page 49: ...e heat demand Set the I 0 II switch to the II position to activate the week timer circuit There are seven day segments on the week disk b on the timer a Monday to Sunday Each day is divided into 12 tabs f 2 hours per tab In order to set a time period during which the appliance is to meet the heat demand the tabs must be pushed outwards The current time can be read from the hands d 12 hour Set the ...

Page 50: ...thermostat has been activated see Figure 5 3 After removing the cause you can press this push button if the sensor has cooled down sufficiently if you do not allow the sensor to cool down sufficiently the flue gas thermostat will once again lock out immediately After this the appliance is automatically put back into operation when there is a heat demand Should this not be the case then see chapter...

Page 51: ... turning the rotary knob on the control thermostat see paragraph 5 5 Control thermostat The period during which the heat demand must be met can be programmed using the week timer see paragraph 5 7 Week timer switching If the green LED is illuminated n Remark If no week timer is installed the II state is the same as the 0 state OFF Frost protection is active in this state The main switch is set to ...

Page 52: ...s is the case the red fault LED on the control panel illuminates The burner controller is locked out After removing the cause the appliance must be put back into operation by pressing the reset button see 5 6 Burner controller reset button Blocking errors This state can be recognised by the fact that the appliance does not become operational in spite of the fact that the water temperature is lower...

Page 53: ...ance out of operation for a short period OFF mode Disconnecting the appliance from the mains Putting the appliance out of operation for a long prideful time 7 3 1 Put appliance out of operation for a short period OFF mode To put the appliance out of operation for a short period you need to switch on frost protection See also paragraph 2 3 Warm up cycle of the appliance Using frost protection you p...

Page 54: ...e The water temperature falls below the set temperature for example 60 C and the control thermostat closes as a result The burner controller now confirms a heat demand and starts the warm up cycle 2 The wait time period starts after the heat demand This wait time ensures safe ignition The wait time lasts approximately 15 seconds 3 When the wait time is complete this can be heard by the clicking of...

Page 55: ...Insufficient hot water General faults cannot be indicated on the control panel though as a rule they will not result in insufficient or even no hot water If no hot water is supplied there is a fault state See paragraph 6 4 Fault states If there is not enough hot water this is usually due to incorrect programming or a temporary problem The following paragraphs illustrate the faults in tabular forma...

Page 56: ... flames Warning Ventilate the room where the appliance is located n Remark Immediately contact your installer or local gas company Water leak Leak from one of the water connections screw thread Tighten the screw thread connection If the leak is not resolved consult your installer Leak from another water appliance or pipe nearby Trace the leak Leak from the appliance s tank Consult the supplier and...

Page 57: ...ply by means of improved ventilation to the room in which the appliance is located Power Anode optional If the fault cannot be corrected consult your installer The indicator light is red Anodes not making contact with the water Break in one of the cables Anode not properly earthed 1 Check that the waterheater is full of water 2 Check to see whether the Power Anode is connected properly see appendi...

Page 58: ...witch is ON 2 Check the voltage across the main switch 3 Check the voltage across the electrical connecting block 4 Check voltage across the burner controller 5 Check fuse in the burner controller The measured voltage must be 230V AC 15 10 See appendix A 2 Electrical diagram SCE If the fault cannot be resolved then contact your installer Green LED ON and Red LED OFF Blockage in the flue gas outlet...

Page 59: ...ing 2 No ignition Check whether the glow igniter lights up Check the glow igniter supply Check the glow igniter wiring 3 No flame detection Check whether Phase L and Neutral N are correctly connected from the mains supply to the appliance Check whether ionisation pin is faulty Check whether the wiring of the ionisation pin is properly connected If the fault cannot be resolved or in case of repeate...

Page 60: ...er Set water temperature Tset too low Set the control thermostat to a higher position See paragraph 5 5 Control thermostat Hot water supply used up 1 Reduce the amount of hot water that you use Give the appliance enough time to heat up the water 2 If this fault occurs regularly then check whether the maximum thermostat is switching If this is the case then check that the circulation and or shunt p...

Page 61: ... switch on the control panel to the 0 position 2 Set the control thermostat to the highest position remember the original setting and set the I 0 II switch back to position I 3 If there is no heat demand then drain some water to create a heat demand 4 Check whether the warm up cycle is running correctly See paragraph 7 4 The appliance s warm up cycle 5 Set the control thermostat back to the origin...

Page 62: ... the cover plate 1 on the external shell See Figure 9 1 2 Undo the bolts 3 Remove the cover and the rubber O ring 4 Inspection the tank and remove any dirt 5 Then remove the calcium deposition using Borcoil 1 6 Close the cleaning opening Use a new rubber O ring for this Figure 9 1 Cleaning opening IMD 0128 1 2 Disconnect the draught diverter from the flue gas outlet 3 Undo the screws on the draugh...

Page 63: ...lue baffles Remember The flue baffles may be hot 1 Complete steps 1 to 9 from paragraph 9 3 2 Check anodes 2 Remove the flue baffles from the appliance 3 Check the flue baffles for the presence of rust and remove where necessary 4 Check the flue baffles for wear and replace the flue baffles where necessary 5 Complete steps 13 to 17 from paragraph 9 3 2 Check anodes 9 5 Completing maintenance To co...

Page 64: ...Maintenance 64 Instruction Manual SCE 9 s ...

Page 65: ...ough the waterheater or remains in it 10 3 Installation and conditions of use The warranty set out in article 1 and 2 only applies if the following conditions are met a the waterheater is installed observing both the installation regulations of State applicable for the specific model and the local valid installation and building codes rules and regulations passed by the authorities b the waterheat...

Page 66: ...specified warranty do not extend beyond free delivery from the Veldhoven warehouse of the replacement parts or components or waterheater Shipping labour installation and any other costs associated with the replacement are not chargeable to State 10 6 Claims A claim based on the specified warranty must be submitted to the dealer from whom the waterheater was purchased or from another dealer who sel...

Page 67: ...Release R 1 0 Uk 67 A Appendices A 1 Introduction This appendix contains The Electrical diagram SCE is ...

Page 68: ... Thermostats circuit phase input GV1 Phase output to gas control MAXSafety thermostat phase input LG Phase output to glow igniter I Ionisation detection output NO Normal open P Phase input alarm NC Normal closed F1 Fuse T5A R1 Relay max 250V 10A B Frost thermostat C Control thermostat D I 0 II switch E Safety thermostat F Maximum thermostat G Gas control H Glow igniter J Ionisation pin K High low ...

Page 69: ...H Thermostats circuit phase input GV1 Phase output to gas control MAXSafety thermostat phase input LG Phase output to glow igniter I Ionisation detection output NO Normal open P Phase input alarm NC Normal closed F1 Fuse T5A R1 Relay max 250V 10A B Frost thermostat C Control thermostat D I 0 II switch E Safety thermostat F Maximum thermostat G Gas valve H Glow igniter J Ionisation pin K Storing in...

Page 70: ...Appendices 70 Instruction Manual SCE A is ...

Page 71: ...E electrical connecting block 31 electrical connection 31 electrical diagram 24 68 environmental conditions 21 F filling 44 floor load 22 forms of notation 11 frost protection 48 switch on 53 G gas converting 33 gas connection 28 general operation 14 H heat requirement 54 humidity 21 I icons 48 ignite 54 in operation 54 installer 10 ionisation pin 16 L liability 3 M main switch 32 mains voltage 32...

Page 72: ...PERATION 54 OFF 51 ON 51 PRE GLOW 54 WAIT TIME 54 supply cable 32 symbol installer 10 service engineer 10 user 10 T target groups 10 trademarks 3 U user 10 W wait time 54 warm up cycle 15 54 warranty 65 exclusions 66 general 65 installation and conditions of use 65 scope 66 tank 65 water composition 22 stacking 26 27 ...

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