Santon Aquaheat AH30V, Installation And User Instructions Manual

Page 1: ...rstand these instructions before starting work Please leave this leaflet with the user following installation PACK CONTENTS Heater tundish service valve discharge pipe grommet fixing screws and plugs installation and user instructions WARNING This water heater must only be installed by qualified persons ...

Page 2: ...petent person only Please read and understand these instructions prior to installing your Aquaheat unvented water heater Particular attention should be paid to the section headed IMPORTANT INSTALLATION POINTS Following installation and commissioning the operation of the heater should be explained to the user Section 5 0 and these instructions left with them for future reference This appliance can ...

Page 3: ...d plumbed in accordance with Figure 01 1 1 4 The installation must be carried out in accordance with the relevant requirements of The appropriate Building Regulations either The Building Regulations The Building Regulations Scotland or Building Regulations Northern Ireland The Water Supply Water Fittings Regulations in England Wales and Northern Ireland and the Scottish Water Byelaws WARNING IF WA...

Page 4: ...3 5 bar Rated pressure 0 6 MPa 6 0 bar Expansion vessel charge pressure 0 35 MPa 3 5 bar Expansion relief valve setting 0 6 MPa 6 0 bar Minimum supply pressure 0 08 MPa 0 8 bar Maximum supply pressure to PRV 1 6 MPa 16 0 bar Temperature Pressure Relief Valve 90 C 0 7 MPa 7 0 bar 2 0 TECHNICAL SPECIFICATION FIGURE 01 DIMENSIONS 506 788 665 616 ...

Page 5: ... electricity gas or water below the surface of the wall 3 1 6 DO NOT install where the unit may freeze 3 1 7 Using Figure 01 and the Dimensions Table as a guide mark the position of the wall mounting bracket and lower location point Drill and plug the wall with suitable fixings fix the wall bracket to the wall 3 1 8 Fit the heater wall bracket to the rear of the unit using the screws provided ensu...

Page 6: ...lder joints as this will damage the heater and may prevent servicing under warranty 3 2 3 The INLET is marked BLUE the OUTLET is marked RED Several hot outlets via conventional taps can be served however individual site demands should be considered when choosing capacity and the number of outlets to be served 3 2 4 It is recommended that a WRAS Listed isolating valve is fitted on the cold water su...

Page 7: ...d from safety devices is safely conveyed to where it is visible but will not cause danger to persons in or about the building 3 3 1 Discharge pipe MUST terminate in a SAFE VISIBLE position 3 3 2 Water may drip from the discharge pipe of the pressure relief device and that this pipe must be left open to the atmosphere 3 3 3 The pressure relief device is to be operated regularly to remove lime depos...

Page 8: ...on E2 and table 21 3 Have a vertical section of pipe at least 300mm long below the tundish before any elbows or bends in the pipework 4 Be installed with a continuous fall 5 Have discharges visible at both the tundish and the final point of discharge but where this is not possible or is practically difficult there should be clear visibility at one or other of these locations Examples of acceptable...

Page 9: ...int of discharge From Table 1 below Maximum resistance allowed for a straight length of 22mm copper discharge pipe D2 from a G temperature relief valve is 9 0m Subtract the resistance for 4 No 22mm elbows at 0 8m each 3 2m Therefore the permitted length equates to 5 8m 5 8m is less than the actual length of 7m therefore calculate the next largest size Maximum resistance allowed for a straight leng...

Page 10: ...le isolating switch with a contact separation of at least 3mm in both poles Refer to the schematic wiring diagram below 3 4 2 The wires are colour coded as follows Green and Yellow EARTH Brown LIVE L Blue NEUTRAL N Fixed grating Discharge below Building Regulation G3 section 3 9d gives alternative points of discharge Trapped gully Discharge pipe D2 from tundish with continuous fall See Building Re...

Page 11: ...11 FIGURE 05 WIRING DIAGRAM ...

Page 12: ...e thermostat knob in either the mid range or a hot position by following the procedures in 7 9 or 7 10 below Always switch off the electrical supply before removing the terminal cover 4 2 3 Setting the mid range position Rotate the thermostat knob to the mid position Remove the terminal cover by using a large flat bladed screwdriver to depress the four snap lugs located in the four rectangular dep...

Page 13: ... use for long periods during the winter months do not switch off the electrical supply and set the thermostat to its minimum position N b This will not protect other system pipework 5 4 2 The thermostat can also be locked in either the mid range or a hot recommended when using in conjunction with a Thermostatic Blending Valve position To lock the thermostat position the instructions given under Se...

Page 14: ...e flat bladed screwdriver to depress the 4 snap lugs located in the 4 rectangular depressions on the bottom cover 6 4 Disconnect the electrical terminations to the element Disconnect earth links to the earthing stud Withdraw the thermostat and thermal cut out capillary tubes from the pocket on the element plate 6 5 Remove the element plate assembly by unscrewing the five securing screws tapped jac...

Page 15: ...he strainer will be removed with the cap Wash any particulate matter from the strainer under clean running water Replace the cap assembly ensuring the sealing ring is correctly fitted Do not use any other type of sealant Close hot tap open mains stop cock and check for leaks The Expansion Vessel should have a precharge pressure of 0 35 MPa 3 5 bar This can reduce over time and eventually require r...

Page 16: ...N POINTS intermittently 2 Mains pressure exceeds 2 Fit Packs U1 and U2 0 41 Mpa 4 1 bar 3 Pack U1 fitted without 3 Fit Pack U2 when using Pack Pack U2 U2 4 Pressure Relief Valve Fault 4 Replace Pressure Relief Valve 5 Loss of pressure from 5 Check and if necessary Expansion Vessel re charge Expansion Vessel pre charge pressure see section 9 0 Discharge of water from Thermostat and Replace thermost...

Page 17: ...EE AND MAY RENDER THE INSTALLATION DANGEROUS DESCRIPTION CODE NO Element plate assembly 30 litre 3kW 95 606 926 Element plate assembly 30 litre 1kW 95 606 925 Thermostat 95 612 667 Thermal cut out 95 612 666 Indicator light 95 607 995 Element plate gasket 95 611 708 Pressure expansion Relief Valve 95 607 986 Temperature Pressure Relief Valve 95 607 994 Check Valve 95 607 987 Expansion Vessel 95 60...

Page 18: ...s which are guaranteed for a period of one year provided 1 The unit has been installed in accordance with these instructions and all necessary inlet controls and safety valves have been fitted correctly 2 Any valves or controls are of Santon recommended type 3 The unit has not been tampered with and has been regularly maintained as detailed in these instructions 4 The unit has been used only for h...

Page 19: ... this product can therefore be disposed of through commercial non WEEE waste facilities Santon does not accept any liability under the WEEE directive This product is manufactured from many recyclable materials At the end of its useful life it should be disposed of at a Local Authority Recycling Centre to realise the full environmental benefits Insulation is by means of CFC free polyurethane foam 1...

Page 20: ...iness Centre Springfield Road Hayes Middlesex UB40 0TY Tel 020 8606 3567 Parts Centre Tel 0845 2709800 www partscentre co uk Newey Eyre Specialist Products Division Please contact your local branch UK Spares Ltd Unit 1155 Aztec West Almonsbury Bristol BS32 4TF Tel 01454 620500 William Wilson Ltd Unit 3A 780 South Street Whiteinch Glasgow G14 OSY Tel 0141 434 1530 Customer Service Tel 0844 8711530 ...