Ariston Unvented Hot Water Storage Cylinders manual

Instructions for Installation, Servicing and Use LEA VE THESE INSTRUCTIONS WITH THE END-USER Unvented Hot W ater Storage Cylinders Countr y of destination: GB/IE www.tradeplumbing.co.uk Call Sales On 08708034288 www.tradeplumbing.co.uk Call Sales On 08708034288[...]

2 T ABLE OF CONTENTS 1. GENERAL INFORMA TION 1.1 D ELIVER Y 2. INST ALLA TION 2.1 W A TER R EGULA TIONS 2.2 B UILDING R EGULA TIONS 2.3 H O W THE A PPLIANCE W ORKS 2.4 O VERALL D IMENSIONS 2.5 C OLD W A TER S UPPL Y 2.6 S ITING AND F IXING 2.7 C ONNECTION OF M AINS W A TER S UPPL Y 2.8 C OLD W A TER C OMBINA TION V AL VE 2.9 C ONNECTION T O S ER VI[...]

3 This manual is an integr al and essential par t 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 instr uctions and notices about the appliance contained in this manual, as the y provide impor tant information regarding the saf e installation, use a[...]

4 2.3 H O W THE A PPLIANCE W ORKS 2. INST ALLA TION These regulations (by elaws in Scotland) ensure a good supply of wholesome water , and that only appro ved materials, pipes and fittings are used to conv ey w ater . These are a statutor y document and take priority ov er all other regulations and recommendations. The installation of an unv ented [...]

5 It is impor tant to ensure that the cold water main is capab le of supplying the increased demand which will be imposed on it. Hot and cold w ater are both dra wn off the same source of supply . Remember , there will not be a stor age tank to help compensate f or variations in the demand on the system. A minim um pressure of appro ximately 1.5 ba[...]

6 SECONDAR Y RETURN COMBINA TION V AL VE EXP ANSION RELIEF PIPE COLD M AINS-IN 22mm DRAIN E XP ANSION VESSEL PRESSURE + TEMPERA TURE RELIEF V AL VE HOT SUPPL Y 22mm TUNDISH 22mm MAX. 100mm F IG . 2.2 2.7 C ONNECTION OF M AINS W A TER S UPPL Y F or floor standing models: On the front of the unit there is a label to identify t[...]

7 RETURN FLOW SECONDAR Y RETURN COMBINA TION VA L VE EXP ANSION RELIEF PIPE COLD MAINS-IN 22mm DRAIN EXP ANSION VESSEL PRESSURE + TEMPERA TURE RELIEF V AL VE ZONE VA L VE HOT SUPPL Y 22mm TUNDISH 22mm MAX. 100mm F IG . 2.3 STI/STI P RO T ECH /ITI 125-150-210-300 I NDIRECT SECONDAR Y RETURN COMBINA TION V AL VE EXP ANSION RELIEF PIPE COLD?[...]

8 The cold w ater combination v alv e can be connected either close by the unit or alter nativ ely it may be installed in a remote position from the unit as there is no requirement to site it in close pro ximity to the cylinder . This allows a fle xible and conv enient installation. Howe ver , it is impor tant to note allowances f or the discharge [...]

9 22mm COLD MAINS IN 22mm COLD MAINS IN 22mm T O WA TER HEA TER 3/4” B.S.P . CONNECTION FOR EXP ANSION VESSEL 22mm T O CYLINDER NON-RETURN V AL VE (WITHIN HOUSING) 22mm BALANCED COLD W A TER T AKE OFF WITH NON-RETURN V AL VE 15mm EXP ANSION RELIEF OUTLET T O TUNDISH SER VICEABLE 3/4” PRESSURE REDUCING CARTRIDGE AND LINE STRAINER (SET A T 3.5 BA[...]

10 2.9 C ONNECTION T O S ER VICES It is recommended that a 22mm pipe run should supply the outlets throughout the b uilding, especially to baths and sho wers. Shor t r uns of 15mm pipe ma y be used to connect basins and sinks. On floor-standing models a secondar y return may be fitted (consult the label on the f ace of the unit for the correct loca[...]

11 connected. If unv ented hot water storage systems are installed where discharges from saf ety devices ma y not be apparent i.e. in dwellings occupied b y the blind, infirm or disabled people, consideration should be giv en to the installation of an electronically operated de vice t o w a r n w h e n d i s c h a r g e t a k e s place . Note: The [...]

12 calculate the ne xt largest size. Maximum resistance allow ed for a straight length of 28mm pipe (D2) from G 1 / 2 temperature & pressure v alve equates to: 18m. Subtract the resistance f or 4 no . 28mm elbow at 1.0m each = 4m. Therefore the maxim um per mitted length equates to: 14m As the actual length is 7m, a 28mm (D2) copper pipe will b[...]

13 pre vent risk to the appliance’ s lif espan when disconnecting the protection system f or an extended period of time, it is necessary to drain the appliance bef orehand. In addition to the 240V netw ork, the electronic circuit is also connected to the tank, which is to be protected, and to the titanium protection electrode, INFORMA TION FOR TH[...]

14 The ther mostat(s) on the immersion heater(s) should be adjusted to tr ip at 60°C . This is the ideal temper ature to prolong element life in hard w ater areas. Scale on the sheath builds up more r apidly at temperatures abov e this causing the element to ov erheat and premature failure can occur . Higher temper atures without additional contro[...]

15 INDIRECT SYSTEMS F or models up to 300 litres a mains supply of 240V , 3kW (13 amps) will be required f or the direct immersion heater . heat resistant cab le, round 3 core 2.5mm 2 (to BS) m ust be used. F or High Capacity 500 litre models consult the wiring diagram on the re verse of the inspection panel. F or indirect controls a 240V , 3 amp s[...]

16 B ASIC B OILER L IST Baxi Bermuda range Boston RS and OF range Gloww orm Complheat Hideaw ay range 65 - 80 Ultimate 40 - 80 30B - 80B, 30CF - 60CF Halstead Buckingham r ange P otter ton Kingfisher range Statesman range (oil fired) Caradon Ideal Classic range Me xico Super range Me xico Slimline range Newflame Boiler s Backboiler r ange Condensin[...]

17 3. COMMISSIONING Check f or obvious signs of damage to the cylinder and controls, and also that the controls fitted correspond with the ref erences quoted in these instructions. Ensure that the Drain Coc k at the base of the appliance is closed before commencing. 1) ProT ech Models Only . Ensure that the ProT ech anti-corrosion system is connect[...]

18 4.2 T HERMAL C UT - OUT ( S ) 4.3 I MMERSION H EA TER ( S ) 4.4 U NVENTED C ONTROLS 4. MAINTENANCE T o ensure efficient safe oper ation, it is recommended that the appliance is ser viced annually b y a competent person. After ser vicing, preliminar y electrical system checks must be carried out to ensure electrical safety (i.e . polarity , ear t[...]

19 4) Expansion relief valv e - check manually b y tur ning the test knob (ensure v alv e closes after testing) ; 5) Discharge pipes (D1) - from both temperature & pressure relief and e xpansion relief valv e for obstructions; 6) T undish & discharge pipe (D2) - open either valv e gradually to produce a full bore discharge into tundish and [...]

20 Un vented Controls(s) Check controls as per the f ollowing: 1 ) Line strainer - with the water supply turned off remove screen from str ainer and clean of any detritus; 2) Expansion v essel - with the water supply tur ned off and taps open, check e xpansion vessel pressure and top up as necessary; 3) T emperature & pressure relief v alve - w[...]

21 F A UL T POSSIBLE CA USES REMED Y 1) Mains cold water Check and open Isolating supply shut off and/or stop valv e. Check water , Local Water A uthority NO HO T W A TER 2) Line strainer T ur n off mains water supply , FLO W block ed remov e line strainer and clean 3) Cold Water Check direction of flow Combination valv e arrows on v alve, refit in[...]

22 6. TECHNICAL INFORMA TION 12 3.5 3.5 6 7/90 3.5 240 3 480 (1) (3) 60 - - - - 1.15 27 12 3.5 3.5 6 7/90 3.5 240 3 480 (1) (3) 120 - - - - 1.26 41 * T o pressure reducing valve **Pr imar y circuit 80 ° C , 1m 3 /h circulation . (1) Single Phase (2) Single Phase/Three Phase (3) BS 3456 Section 2.21 ST ProT ech 50 ST ProT ech 80 ST ProT ech 100 STD[...]

23 NO TES www.tradeplumbing.co.uk Call Sales On 08708034288 www.tradeplumbing.co.uk Call Sales On 08708034288[...]

24 Man uf acturer : MTS Benelux sa/n v - Belgium Commercial subsidiar y: MTS (GB) LIMITED MTS Building Hughenden A ven ue High Wycombe Bucks . HP13 5FT T elephone: (01494) 755600 F ax: (01494) 459775 Internet: www .ar iston.co .uk E-mail: inf o@uk.mtsg roup .uk T echnical Service Hot Line: (0870) 241 8180 Customer Service Help Desk: (0870) 600 9888[...]