Ariston AS 150 Technical information
Contents
1. i 6 JOQUINN JejeeH uorsieuJuul L 00v oor ose OSE OSE OSE OSE OSE OSE OSE OSE OSE OSE OSE O8 Og O8 yyGue7 JeyeeH UOISJOLULY 9 9 e fetejeteletelete e NM Yosu Ove 0 2 Ove 0 2 0 2 0 2 0 2 0 2 0 2 0 2 0 2 0 2 0 2 0 2 0 2 A jeouioer eunsseJg 195 ANLA 06 4 06 2 06 106 106 106 7106 106 2106 1 06 7106 06 7106 7 06 06 7 06 06 APA ainssald 9 9 9 9 9 9 9 9 9 91 9 91 91 91 9 9 seq Bumas AJLA uorsuedx3 ensseJg Oey jesse uorsuedx3 GE GE GE GE GE GE GEIGE GE GE GE GE GEIGE GSE GE GE einsse4g Dugeiedo cL ob ginsseig Aiddng M AN ALS 009 Ayoede uDiH 091 ILS HO WOD 921 ILS HO WOD 00 115 08 00 012 16 108 00 OSI ILS 92u00 921115 1982005 00 ALS 1981002 012 ALS 198002 091 ALS 198002 821 ALS 1984002 001 ALS 1980002 001 LS IeM 08 LS 09 15 IeM 21 NOTES 22. e GREENYELLOW V4043H HEATING VALVE e BROWN e BLUE e GREY e ORANGE e GREENYELLOW V4043H HOT WATER VALVE 3 PROGRAMMER Sunvic SP 50 100 Link L 3 SWITCHMASTER 805 900 Sunvic ET 1451 Switchmaster 400 600 Link 2 3 6 Symphony Sonata Sunvic DHP 2201 owerchron FP Link 1 5 4 7 9 Towerchron MP Link 1 4 6 11 owerchron 2000 ACL LS522 5722 Randall 922 972 Link L 2 5 Randall 3020 P Switchmaster and 3060 240V MAINS INPUT 3 AMP Cylinder thermostat PROGRAMMER 3 1 Thermal cut out Honeywell ST 699B 1002 Link L 5 8 Landis amp Gyr RWB2 Glowworm hastermind Landis amp Gyr RWB20 Microgyr ST 6400 ST 6300 ST 6200 Drayton Tempus 7 Horstmann 425 525 527 Link L 2 5 Potterton EP2000 3000 Potterton Miniminder Link L 5 2001 3001 Randall 102 102 E Sangamo 410 Form 1 6 Randall 701 702 Link 3 Link L 6 5 Sangamo M5 Randall 4033 Link 1 6 Link 1 6 Thermostat 240V MAINS INPUT 13 AMP ST 240V o E gl BENED Fic 2 14 Bermuda range Boston RS and OF range Complheat Hideaway range 65 80 Ultimate 40 80 30B 80B 30CF 60CF Halstead Buckingham range Pottert
3. Anode circuit The ProTech system an exclusive solution is an electronic anti corrosion protection system which ensures maximum longevity of the appliance regardless of water quality The electronic circuit creates a difference in potential between the hot water tank and the titanium electrode thereby guaranteeing optimum protection of the tank and preventing corrosion To ensure the proper operation of the protection system IT MUST BE PERMANENTLY CONNECTED TO A FUSED NON SWITCHED 240V 3A ELECTRICITY SUPPLY even in the event of shut down of the system To prevent risk to the appliance s lifespan when disconnecting the protection system for an extended period of time it is necessary to drain the appliance beforehand In addition to the 240V network the electronic circuit is also connected to the tank which is to be protected and to the titanium protection electrode 12 ECONOMY 7 CONTROLLER EF SYSTEM A 7 UPPER ELEMENT DAYTIME TOP UP INFORMATION FOR THE END USER Proper operation of the protection system is shown by a continuous green L E D indicating that the circuits terminals are being supplied with electricity In the event of failure a red L E D indicates that there is a short circuit between the electr
4. Refer to Fic 2 6 SERVICEABLE 1 2 PRESSURE REDUCING CARTRIDGE AND LINE STRAINER EXPANSION RELIEF NON RETURN VALVE WITHIN HOUSING 15mm COLD MAINS IN TEE PIECE FOR BALANCED COLD WATER TAKE OFF NOT SUPPLIED VALVE SET AT 6 BAR 15mm CYLINDER 3 4 B S P CONNECTIONS FOR EXPANSION VESSEL For Model ST 50 3 4 B S P CONNECTION FOR EXPANSION VESSEL 22mm COLD MAINS IN 22mm TO WATER HEATER SERVICEABLE 3 4 PRESSURE REDUCING CARTRIDGE AND LINE STRAINER SET AT 3 5 BAR 15mm EXPANSION RELIEF OUTLET TO TUNDISH EXPANSION RELIEF VALVE di SET AT 6 BAR 22mm COLD MAINS IN 22mm TO CYLINDER NON RETURN VALVE WITHIN HOUSING 22mm BALANCED COLD WATER TAKE OFF WITH NON RETURN VALVE SERVICEABLE 1 PRESSURE REDUCING CARTRIDGE AND LINE STRAINER SET AT 3 5 BAR EXPANSION RELIEF VALVE P d SET AT 6 BAR 28mm COLD 28mm TO MAINS IN CYLINDER iac 3 4 B S P CONNECTION FOR EXPANSION VESSEL 1 BALANCED COLD WATER TAKE OFF For 500 litre WITH NON RETURN VALVE Models 2 9 CONNECTION TO SERVICES 2 10 SECONDARY RETURN 2 11 DISCHARGE PIPEWORK It is recommended that a 22mm pipe run should supply the outlets throughout the building especially to baths and showers Short runs of 15mm pipe may be used to connect basins and sinks On floor standing models a secondary return may be fitted consult the label on the face of the unit
5. for the correct location A non return valve not supplied must be fitted to prevent back flow and a bronze pump will be needed in conjunction with a pipe thermostat to circulate the hot water both not supplied an extra expansion vessel may be required where the additional volume of the secondary return exceeds the capacity of the expansion vessel supplied 1 The tundish must be vertical and fitted within 500mm of the temperature amp pressure relief valve and must be located with the cylinder The tundish must also be in a position visible to the occupants and positioned away from any electrical devices The discharge pipe from the tundish should terminate in a safe place where there is no risk to persons in the vicinity of the discharge and to be of metal X Discharge pipes from the temperature amp pressure relief and expansion relief valve may be joined together 2 The pipe diameter must be at least one pipe size larger than the nominal outlet size of the safety device unless it s total equivalent hydraulic resistance exceeds that of a straight pipe 9m long l e Discharge pipes between 9m and 18m equivalent resistance length should be at least 2 sizes larger than the nominal outlet size of the safety device Between 18m and 27m at least 3 larger and so on Bends must be taken into account in calculating the flow resistance See Fic 2 9 and TABLE 2 The discharge pipe must have a vertical section of pipe
6. 0 Capacity 500 STI INDIRECT TUNDISH COLD MAINS IN 28mm 22mm COMBINATION VALVE EXPANSION 2 VESSEL HOT SUPPLY 28mm PRESSURE TEMPERATURE RELIEF VALVE CC RES h 2 2 4 i EXPANSION RELIEF i PIPE S a ge f SECONDARY _ RETURN 0 zone p TUNDISH i FLOW 2 22mm DRAIN om E k A x gt E RETURN 7 MAX 100mm 2 8 WATER COMBINATION VALVE The cold water combination valve can be connected either close by the unit or alternatively it may be installed in a remote position from the unit as there is no requirement to site it in close proximity to the cylinder This allows a flexible and convenient installation However it is important to note allowances for the discharge pipe work from the expansion relief valve must be accounted for A balancing port is supplied on the 22mm valves for units above 50 litres and 28mm valves for 500 litres units allowing balanced cold water supply to the rest of the building giving constant results for mixer and shower valves If the facility is not needed a plug is supplied Refer to Fic 2 7 and Fic 2 8 Although this facility is not built into the 15mm valve supplied with model ST50 a tee piece may be inserted between the two components giving the same result
7. 2 NOTES 23 Manufacturer Commercial subsidiary MTS Benelux sa nv Belgium MTS GB LIMITED MTS Building Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone 01494 755600 Fax 01494 459775 Internet www ariston co uk E mail info uk mtsgroup uk Technical Service Hot Line 0870 241 8180 Customer Service Help Desk 0870 600 9888 Ariston Unvented Cylinder Protech Manual 01 01 2004
8. How THE APPLIANCE WorKS These regulations byelaws in Scotland ensure a good supply of wholesome water and that only approved materials pipes and fittings are used to convey water These are a statutory document and take priority over all other regulations and recommendations The installation of an unvented hot water storage cylinder is classified as a Controlled Service and Regulation G3 applies To meet the requirements of the Regulation installation of an unvented system should be undertaken by a competent installer All installations of unvented hot water storage systems having a capacity of more than 15 litres should be notified to the relevant Local Authority by means of building notice or by the submission of full plans It is important to note that it is a criminal offense to install an unvented hot water storage system without notifying the Local Authority The installation of the unvented cylinder and hot water installation must comply with BS 6700 and the HSE Legionella Code of Practice The immersion heater s are controlled through a thermostat which senses the water temperature The operating temperature can be pre set by adjusting the spindle in the head of the thermostat In addition to the thermostat there is a thermal cut out incorporated if the thermostat fails and the water temperature rises too high Once the cut out operates it can only be re set manually after the fault has been rectified Indirect models
9. Unvented Hot Instructions for Installation Water Storage RUE Cylinders WITH THE END USER E CETT Benchmark The code of practice for the installation ning amp servicing of mains pressure hot water storage ARISTON TABLE OF CONTENTS 1 GENERAL INFORMATION DELIVERY INSTALLATION WATER REGULATIONS BuiLDING REGULATIONS How THE APPLIANCE WORKS OVERALL DIMENSIONS WATER SUPPLY SiTING AND FIXING CONNECTION OF MAINS WATER SUPPLY WATER COMBINATION VALVE CONNECTION TO SERVICES SECONDARY RETURN DiscHARGE PIPEWORK ELECTRICAL DIAGRAMS COMMISSIONING MAINTENANCE PROTECH ANTI CORROSION SYSTEM THERMAL Cur our s IMMERSION HEATER S UNVENTED CONTROLS THERMOSTATS FAULT FINDING TECHNICAL INFORMATION 1 1 2 GENERAL INFORMATION DELIVERY This manual is an integral and essential part of the product It should be kept with the appliance so that it can be consulted by the user and our authorised personnel Please read carefully the instructions and notices about the appliance contained in this manual as they provide important information regarding the safe installation use and maintenance of the cylinder Failure to do so may invalidate the guarantee The range is available with the following options The Wall hung range 50 75 100 litre models which are supplied as the following One box containing 1 The cylinder with factory fitted temperature amp pressure relie
10. at least 300mm in length below the tundish before any elbows or bends in the pipework The discharge pipe must be installed with a continuous fall O The discharge must be visible at both the tundish and the final point of discharge but where this is not possible or practically difficult there should be clear visibility at one or other of these locations Examples of acceptance are i Ideally below a fixed grating and above the water seal in a trapped gully ii Downward discharges at a low level i e up to 100mm above external surfaces such as car parks hard standings grassed areas etc These are acceptable providing that where children may play or otherwise come into contact with discharges a wire cage or similar guard is positioned to prevent contact whilst maintaining visibility iii Discharges at high level l e into a metal hopper and metal down pipe with the end of the discharge pipe clearly visible tundish visible or not Or onto a roof capable of withstanding high temperature discharges of water 3m from any plastic guttering systems that collect would such a discharge tundish visible ivy Where a single pipe serves a number of discharges such as in blocks of flats the number served should be limited to not more than 6 systems so that any installation can be traced reasonably easily The single common discharge pipe should be at least one pipe size large than the largest individual discharge pipe to
11. be connected If unvented hot water storage systems are installed where discharges from safety devices may not be apparent l e in dwellings occupied by the blind infirm or disabled people 10 consideration should be given to the installation of an electronically operated device to warn when discharge takes place Note The discharge will consist of scalding water and steam Asphalt roofing felt and non metallic rainwater goods may be damaged by such discharges Temperature amp pressure Metal discharge pipe D1 from relief valve temperature amp pressure relief valve to tundish Tundish Discharge below fixed grating see page 10 for alternative points Metal discharge pipe D2 from tundish of discharge with continuous fall See Table 2 and worked example Fixed grating Trapped gulley TABLE 2 Sizing of copper discharge pipe D2 for common temperature valve outlet sizes Valve outlet size Minimum size of Minimum size of Maximum Resistance created discharge pipe D1 discharge pipe D2 resistance allowed by each elbow or from tundish expressed as a bend length of pipe i e no elbow or bends G 1 2 15mm 22mm Up to 9m 0 8m 28mm Up to 18m 1 0m 35mm Up to 27m 1 4m G 3 4 22mm 28mm Up to 9m 1 0m 35mm Up to 18m 1 4m 42mm Up to 27m 1 7m G1 28mm 35mm Up to 9m 1 4m 42mm Up to 18m 1 7m 54mm Up to 27m 2 3m WORKED EXAMPLE The example below is for a G temperature amp pressure relief valve with a disc
12. ect models 1 Pressure above 7 bar failure of pressure reducing valve Temperature above 90 C failure of thermal control 1 Continually Pressure reducing valve faulty 2 When heater is heating Faulty expansion vessel or lost charge 20 Check and open Isolating and or stop valve Check water Local Water Authority Turn off mains water supply remove line strainer and clean Check direction of flow arrows on valve refit in correct position if necessary Check pressure consult Local Water Authority if necessary Turn off mains water supply remove line strainer and clean Increase to size stated on page 6 Check immersion heater switch on if necessary Test thermostat operation and wiring if faulty correct replace Reset cut out Check switch on domestic hot water if necessary Check boiler operation if fault suspected consult manufacturer s instructions Test thermostat operation and wiring if faulty correct replace Reset cut out Check wiring and operation of motorised valve correct replace as necessary Shut down boiler or immersion heater Check pressure reducing valve and thermal controls Replace if necessary Check pressure from valve Replace if over 3 5 bar Check charge of vessel Re charge vessel to 3 5 bar or replace if necessary TECHNICAL INFORMATION AN ILS 009 Ayoede uDiH 6 12 06 1 022 09 1 e912 1591 PAU JSN 2HM Aq
13. f valve immersion heater and thermostat with thermal cut out One box containing 1 Unvented control pack expansion vessel 2 piece cold water combination valve and tundish instructions for installation servicing and use and the Benchmark log book The Ariston Contract floor standing range 125 150 200 and 300 litre models The Contract is supplied with the following One box containing 1 The cylinder with factory fitted temperature amp pressure relief valve One box containing 1 Unvented control pack expansion vessel 2 piece cold water combination valve and tundish motorised valve indirect only Immersion heater s and thermostat s with thermal cut out s cylinder thermostat with thermal cut out indirect only feet x3 instructions for installation servicing and use and the Benchmark log book The High Capacity floor standing range 500 litre models which are supplied as the following One box containing 1 The cylinder with factory fitted temperature amp pressure relief valve 1 Unvented control pack expansion vessel 2 piece cold water combination valve and tundish motorised valve indirect only Immersion heater s and thermostat s with thermal cut out s cylinder thermostat with thermal cut out indirect only feet x 3 instructions for installation servicing and use and the Benchmark log book 2 2 1 2 2 2 3 INSTALLATION WATER REGULATIONS BUILDING REGULATIONS
14. harge pipe D2 having 4 no elbows and length of 7m from the tundish to the point of discharge From TABLE 2 Maximum resistance allowed for a straight length of 22mm copper discharge pipe D2 from G 2 temperature amp pressure valve is 9m Subtract the resistance for 4 no 22mm elbows at 0 8m each 3 2m Therefore the maximum permitted length equates to 5 8m As 5 8m is less than the actual length of 7m therefore calculate the next largest size Maximum resistance allowed for a straight length of 28mm pipe D2 from G 7 2 temperature amp pressure valve equates to 18m Subtract the resistance for 4 no 28mm elbow at 1 0m each 4m Therefore the maximum permitted length equates to 14m As the actual length is 7m a 28mm D2 copper pipe will be satisfactory 11 2 12 ELECTRICAL CONNECTION WARNINGS The outlet from the temperature amp pressure relief valve must not be used for any other purpose This also applies to the expansion relief valve No other valve is to be fitted between the cold water combination valve and the cylinder The temperature amp pressure relief valve must not be removed in any circumstances Any of the above will totally invalidate the guarantee The electrical installation must be in accordance with the current wiring regulations PROTECH ELECTRONIC ANTI CORROSION SYSTEM IMPORTANT The ProTech anti corrosion system MUST be permanently connected to a 240V electricity supply see Fic 2 10
15. have dual thermal controls In addition to the above there is a separate cylinder thermostat and thermal cut out for controlling the indirect circuit Again the thermal cut out operates if the cylinder thermostat fails by disconnecting the live feed call for hot water from the programmer All High Capacity 500 litre models Wall hung units and the Contract and Floor standing models utilise the ProTech anti corrosion system electronic anode The factory fitted temperature amp pressure relief valve at the top of the cylinder is a safety device to back up the thermostat s and thermal cut out s It works by sensing an excess in water temperature or pressure and releasing the hot water into a discharge tundish and drain The cylinder will only work in the vertical position The inlet pipe needs to deliver cold water to the bottom of the tank When water is heated it expands To accommodate this increase in volume an expansion vessel is provided A cold water combination valve is also provided in two pieces loose jointed for ease of installation These comprise a combined line strainer pressure reducing valve and core non return valve expansion relief valve The strainer prevents any debris entering the other controls The pressure reducer ensures the correct operation of the expansion vessel and prevents any damage to the control valves through too great a pressure The non return valve ensures the water expansion is forced into the expansi
16. in turn after having purged the system of air Check for leaks around the controls and immersion heaters and again after the unit has heated up Check that no water is passing to waste through the relief valves Ensure that the line strainer situated in the pressure reducing valve is clear of installation debris and clean if necessary Test the operation of the temperature amp pressure relief and expansion valves by lifting turning the manually operated test lever cap and observing that water flows through freely and safely to waste 10 Check that the pressure in the expansion vessel is correct 11 Check that the discharge pipe is plumbed so that it falls continuously and that no taps valves or other shut off devices are installed in the pipe 12 Check that all thermostats are set at 60 13 DIRECT UNITS Switch on immersion heater s and allow unit to heat up Check operation of Thermostat s 14 INDIRECT UNITS Fill the indirect primary circuit following the boiler instructions Switch on the boiler ensure that the programmer is in the domestic hot water position Allow unit to heat up and check operation of indirect thermostat on motorised valve s 15 Check the temperature of the hot water at the nearest outlet and record in the Benchmark log book 16 Demonstrate operation to user including operation of temperature amp pressure relief valve and what to do if it operates 17 Give this manual al
17. is is the ideal temperature to prolong element life in hard water areas Scale on the sheath builds up more rapidly at temperatures above this causing the element to overheat and premature failure can occur Higher temperatures without additional controls would result in scalding In addition to the thermostat the thermal cut out will switch power off to the element should the thermostat malfunction causing an excessive rise in water temperature The thermal cut out can be reset manually after the fault has been corrected 14 INDIRECT SYSTEMS For models up to 300 litres a mains supply of 240V 3kW 13 amps will be required for the direct immersion heater heat resistant cable round 3 core 2 5mm to BS must be used For High Capacity 500 litre models consult the wiring diagram on the reverse of the inspection panel For indirect controls a 240V 3 amp supply is required On Contract and High Capacity models it is necessary to fit the thermostat using P T F E tape Please consult the label on the face of the unit for the correct location in both cases The cables must be clamped in position as previously stated and the control thermostat should be set at 60 C for the reasons above In addition to the thermostat there is a thermal cut out should the thermostat fail Refer to Fic 2 14 WIRING SCHEME FOR 2 x 2 Port MoronisED VALVES cM 41 51 TYPICAL JUNCTION BOX 41 Based on Honeywell Controls
18. it is time to install When unpacking the appliance follow the guidelines within the packaging and take care not to damage the temperature and pressure relief valve The cylinder may be installed at any convenient position as it is connected to the mains cold water supply it is equally effective on any floor however consideration must be given to allow ease of access for maintenance purposes However do not install the unit in premises which may be subject to freezing Ensure that the floor load bearing strength is adequate to take the weight of the cylinder when full of water see TABLE 1 The ST50 ST80 and ST100 models are wall mounted All other models are free standing These are supplied with feet which are attached to the heater via self tapping screws which are also supplied All units must be installed in the VERTICAL POSITION For maintenance purposes leave at least 500 mm free space in front of the unit for access 5 2 7 CONNECTION OF MAINS For Contract and High Capacity models WATER SUPPLY On the front of the unit there is a label to identify the connection ports Please check this before making any connection to the unit For units up to 300 litres it is recommended that all mains cold water supply pipe work is a minimum of 22mm with the exception of model ST50 where 15mm can be used For 500 litre models the supply should be 28mm An isolating valve should be installed between the cold water supply and the cylinder f
19. lever turning the test knob ensure valve closes after testing 4 Expansion relief valve check manually by turning the test knob ensure valve closes after testing 5 Discharge pipes D1 from both temperature amp pressure relief and expansion relief valve for obstructions 6 Tundish amp discharge pipe D2 open either valve gradually to produce a full bore discharge into tundish and D2 without any back pressure 7 Pressure reducing valve check that the correct outlet pressure is being maintained by recording the pressure at an in line terminal fitting i e tap Ensure that all thermostats adjusted for the correct temperature setting this should be between 60 and 65 19 5 FAULT FINDING FAULT POSSIBLE CAUSES REMEDY NO HOT WATER FLOW REDUCED FLOW RATE WATER FROM HOT TAPS IS COLD DISCHARGE FROM PRESSURE TEMPERATURE RELIEF VALVE DISCHARGE FROM EXPANSION VALVE 1 Mains cold water supply shut off 2 Line strainer blocked 3 Cold Water Combination valve fitted incorrectly 1 Low mains water pressure 2 Line strainer partially blocked 3 Size of service pipe too small 1 Direct immersion heater is not switched on 2 Direct thermal cut out has operated Boiler programmer set to central heating only Indirect models Boiler is not functioning Indirect models Indirect thermal cut out has operated 6 Motorised valve jammed or not wired correctly Indir
20. nomy 7 time control switch using either system A or B as illustrated in Fic 2 11 SYSTEM B ALL HOURS SUPPLY RUN BACK TIMER PLUS ISOLATING UPPER ELEMENT DAYTIME TOP UP Fic 2 11 LOWER ELEMENT HIGHT STORE ISOLATING 5 SWITCH NIGHT SUPPLY LOWER_ELEMENT HIGHT STORE SWITCH 13 2 11 ELECTRICAL DIAGRAM Single Element Fic 2 12 L2 N Fic 2 13 Should the Economy 7 system not to be used a separate 13 amp supply to each element will be required Through a double pole fused isolating switch having a contact gap of at least 3mm on each pole The immersion heater shall be installed with 85 C rubber insulated HOFR sheathed flexible cable complying with Table 8 of BS 6141 1991 Make the connection s to the immersion heater s as per Fic 2 12 and Fic 2 13 For High Capacity 500 litre models consult the wiring diagram on the reverse of the inspection panel THERMAL THERMOSTAT CUT OUT ELEMENT 3 kW 240V THERMAL THERMOSTAT CUT OUT DAY ELEMENT 3kW 240V THERMAL THERMOSTAT CUT OUT NIGHT ELEMENT 3kW 240V ECONOMY 7 The thermostat s on the immersion heater s should be adjusted to trip at 60 C Th
21. ode and the cylinder tank that one of the leads tank or electrode is disconnected or that there is no water in the cylinder Your appliance is thus properly protected when the green L E D is illuminated and the red L E D is off Should this not be the case please contact your installer FITTING IMMERSION HEATER S CONTRACT MODELS ONLY These are supplied but not fitted with the Ariston Contract floor standing range A sealing gasket is supplied with each element however the use of a suitable sealing compound is recommended to ensure a correct seal Care must be taken not to cross thread the immersion heater s when fitting Each immersion heater is supplied with a regulation thermostat and manual reset thermal cut out This will activate if the regulation thermostat fails Under no circumstances should this be by passed The immersion heaters supplied are rated at 3kW there are 4kW upgrade kits available on request the part number for which is 889112 Should the immersion heater s be ugraded to the 4kW immersion the electrical circuit and fuse must be checked to ensure suitability with the higher output Although the immersion heaters are a standard 27 4 thread they must not be substituted with anything but an original Ariston spare part DIRECT SYSTEMS A mains supply of 240V 3kW 13 amps is required Heat resistant cable round or 4 core 2 5mm to BS6141 table 8 must be used to connect the electrical supply through the Eco
22. on Kingfisher range Statesman range oil fired Caradon Ideal Classic range Mexico Ssper range Mexico Slimline range Newflame Boilers Backboiler range Condensing Boiler List CARADON IDEAL FF30 FF80 Energysaver Remove link SL 9 KESTON L 1 EN refer to VAILLANT VU 186 226 manufacturers instructions Boiler Connections 2 Motorised valves 2 way see Fig 2 14 9 10 3 2 1 Pump Connections 2 Motorised valves 2 way see Fic 2 14 9 2 WARNING THE APPLIANCE MUST BE EARTHED The earth continuity conductor of the electrical installation must be effectively connected to all exposed parts of other appliances and services in the room in which the water heater is to be installed conformity with the E E wiring regulations Note Do not switch on the immersion heater or fire the boiler until the cylinder is full of water 16 3 COMMISSIONING Check for obvious signs of damage to the cylinder and controls and also that the controls fitted correspond with the references quoted in these instructions Ensure that the Drain Cock at the base of the appliance is closed before commencing Ensure that the ProTech anti corrosion system is connected to the electrical supply Open all outlet taps Turn on mains water supply and allow the water heater to fill Ensure that the hot water system is flushed in accordance with BS 6700 Close taps
23. on vessel and prevents contamination of the mains cold water supply The expansion relief valve will discharge expanded water to the discharge tundish if the expansion vessel fails 2 4 OvERALL DIMENSIONS OVERALL DIMENSIONS TABLE 1 STORAGE UNITS PIPE SIZE WEIGHT DIMENSIONS IN MM WHEN FULL D E F kg MODEL CAPACITY INLET OUTLET DIRECT RANGE Wall Hung ST 50 ST 80 ST 100 Floor Standing CONTRACT STD 100 CONTRACT STD 125 CONTRACT STD 150 CONTRACT STD 210 CONTRACT STD 300 500 STD UK INDIRECT RANGE CONTRACT STI 125 CONTRACT STI 150 CONTRACT STI 210 CONTRACT STI 300 500 STI UK COMFORT STI 125 COMFORT STI 150 COMFORT STI 210 ST STD STI 500 STD UK 50 80 100 125 150 210 300 125 150 210 300 500 STI UK ee 6 09 2 5 WATER SUPPLY It is important to ensure that the cold water main is capable of supplying the increased demand which will be imposed on it Hot and cold water are both drawn off the same source of supply Remember there will not be a storage tank to help compensate for variations in the demand on the system A minimum pressure of approximately 1 5 bar and 20 litres per minute is required for satisfactory operation 85 of UK dwellings have a mains pressure above 2 0 bar Note THE MAINS WATER SUPPLY MUST NOT EXCEED 16 BAR 2 6 SITING AND FIXING The cylinder should be left packed until
24. ong with the completed Benchmark log book to the user to retain for future reference and make the customer aware that periodic checks of the equipment are essential for safety 17 4 4 1 MAINTENANCE PROTECH ANTI CORROSION SYSTEM To ensure efficient safe operation it is recommended that the appliance is serviced annually by a competent person After servicing preliminary electrical system checks must be carried out to ensure electrical safety i e polarity earth continuity resistance to earth and short circuit WARNING SWITCH OFF THE POWER SUPPLY BEFORE WORKING ON THE APPLIANCE Trouble shooting The green L E D is NOT on 1 49 Check to see that the circuits electric plug is connected if not connect Check to see that the P C B is supplied with electricity if not replace the supply cable Check to see that 230 V electricity is supplied if not ensure that 230 V is supplied If all these checks fail to locate the problem replace the electronic circuit installer The red L E D is on Check to see that the tank is filled with water if not fill it before carrying out the following checks Check to see that the clip on circuit connector is in the proper position if not position correctly Check to see that the electrodes connection lead is property connected to check this gently pull on it if not replace the electrode Check to see that the connection lead to the tank is p
25. or servicing ALL PIPEWORK MUST BE FLUSHED TO AVOID DAMAGE TO THE CONTROL VALVES Please refer to Fics 2 1 2 2 2 3 2 4 2 5 for a suggested installation layout WALL HUNG ST 50 80 100 PRESSURE TEMPERATURE RELIEF VALVE COLD s Ex MAINS IN Ad 15 22mm n k 15mm EXPANSION VESSEL COMBINATION VALVE HOTSUPPlY Tl 15 22mm LJ EXPANSION E RELIEF 4 N tunoisH vy v Contract STD 100 125 150 210 300 DIRECT x 22mm COLD MAINS IN COMBINATION 22mm VALVE J j MAX 100mm ______ EXPANSION d VESSEL PRESSURE TEMPERATURE RELIEF VALVE Fic 2 1 HOT SUPPLY 22mm EXPANSION RELIEF d SECONDARY 0 RETURN PN 22mm DRAIN Fic 2 2 Contract STI 125 150 210 300 INDIRECT COLD MAINS IN COMBINATION 22mm VALVE EXPANSION VESSEL PRESSURE TEMPERATURE RELIEF VALVE HOT SUPPLY 22mm HiGH Capacity 500 STD UK DiRECT lt lt EXPANSION RELIEF PIPE COLD SECONDARY RETURN N ado COMBINATION VALVE EXPANSION ____ le VESSEL 5 HOT SUPPLY 28mm PRESSURE TEMPERATURE EOOLM RETURN RELIEF VALVE TE EXPANSION RELIEF Fic 2 3 SECONDARY ret RETURN
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27. roperly connected to the tank if not connect properly Check to see that the two leads from the clip on circuit connector are not damaged stripped etc if so replace the electrode If all these checks fail to locate the problem replace the electronic circuit Note To replace the P C B there is no need to drain the cylinder 1 Disconnect the two supply cables from the P C B to the supply terminal 2 Disconnect the clip on circuit connector and polarising slot which connects the circuit to the tank and the electrode 3 Disconnect the P C B from its supporting plate plastic clips in the 4 corners and 4 Replace the defective circuit with a new one then re install in reverse order to the above 18 4 2 4 3 4 4 4 5 THERMAL Cur our s IMMERSION HEATER S UNVENTED CONTROLS THERMOSTATS If the thermal cut out has operated the cause must be found before resetting see section 5 Descale the immersion heater s and remove any lime deposit from the cylinder Replace in reverse order THIS DOES NOT APPLY TO COMFORT MODELS Check controls as per the following 1 Line strainer with the water supply turned off remove screen from strainer and clean of any detritus 2 Expansion vessel with the water supply turned off and taps open check expansion vessel pressure and top up as necessary 3 Temperature amp pressure relief valve with the water supply turned on check manually by lifting the test
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