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Summary of Contents for BUFFER-GL1000-8

Page 1: ... before commencing installation This buffer range does not incorporate an internal heat exchanger Please leave this manual with the customer for future reference Andrews Built toperform INSTALLATION AND SERVICE MANUAL Glass Lined Buffers 10 bar 2 2 5 8 bar ...

Page 2: ...issioning 19 Maintenance Servicing Maintenance requirements 19 Warranty Warranty Terms and Conditions 20 Product Specification Introduction 3 General requirements 3 Installation standards 3 Storage and handling 4 Before Installation 4 ErP data information 4 8 bar Buffer dimensions 5 10 bar Buffer dimensions 8 Weights 11 Standing Heatloss 11 Limitations 12 ...

Page 3: ...RY OR MENTAL CAPABILITIES OR LACK OF EXPERIENCE AND KNOWLEDGE IF THEY HAVE BEEN GIVEN SUPERVISION OR INSTRUCTION CONCERNING USE OF THE APPLIANCE IN A SAFE WAY AND UNDERSTAND THE HAZARDS INVOLVED CHILDREN SHALL NOT PLAY WITH THE APPLIANCE CLEANING AND USER MAINTENANCE SHALL NOT BE MADE BY CHILDREN WITHOUT SUPERVISION WARNING Do not use if there is a possibility that the water in the buffer vessel i...

Page 4: ...t use damaged equipment 5 Safe working practices are adopted for manual handling of appliances parts 6 Correct PPE to be worn The Andrews buffer vessel unit must be vertically floor mounted Areas that are subject to freezing must be avoided Ensure that the floor is level and of sufficient strength to support the full weight of the unit when filled with water Pipe runs should be kept as short as po...

Page 5: ...8 bar Glass Lined Buffers 200 300 Ltr 5 ...

Page 6: ...500 Ltr 6 ...

Page 7: ...800 1000 Ltr 7 ...

Page 8: ...10 bar Glass Lined Buffers 300 Ltr ...

Page 9: ...8 500 Ltr ...

Page 10: ...9 800 Ltr ...

Page 11: ... 261 300 77 377 500 125 625 800 168 968 1000 198 1198 Table 5 Weights N o m i n a l Capacity Litres Per Day kWh 24h Per Year kWh 24h 200 1 34 489 300 1 61 587 500 2 23 813 800 2 14 781 1000 2 76 1007 Table 6 Standing heat loss Testing is carried out to BS EN12897 11 ...

Page 12: ...ty valves Areas where the water consistently contains a high proportion of solids eg suspended matter that could block the strainer unless adequate filtration can be ensured The installation must be carried out in accordance with the relevant requirements of the appropriate Building Regulations either The Building Regulations England The Building Regulations Scotland or Building Regulations Northe...

Page 13: ...etting Please follow the installation schematic Figure 9 for guidance When the system circulates it needs to be specified by the installer to ensure water is not drawn off during the de stratification process If a hot water demand is required during this period cold water may be discharged from the hot outlet It is recommended that a check valve be installed before the pump to stop any risk of col...

Page 14: ...addition where discharges from safety devices may not be apparent e g in dwellings occupied by people with impaired vision or mo bility consideration should be given to the installation of a suitable safety device to warn when discharge takes place e g electronicallyoperated Discharge pipe D2 3 56 The discharge pipe D2 from the tundish should a have a vertical section of pipe at least 300mm long b...

Page 15: ...appliances should be connected to the pipe Notes 1 Plastic pipes should be joined and assembled with fittings appropriate to the circumstances in which they are used as set out in BS EN ISO 1043 1 2002 Plastics Symbols and abbreviated terms Basic polymers and their special characteristics 2 Where pipes cannot be connected to the stack it may be possible to route a dedicated pipe alongside or in cl...

Page 16: ...remove lime deposits and to verify that it is not blocked G3 Requirement there shall be precautions to ensure that the hot water discharged from safety devices is safely conveyed to where it is visible but will not cause danger to persons in or about the building Worked example of discharge pipe sizing Taken from Building Regulations 2000 G3 2010 edition The example below is for a G1 temperature r...

Page 17: ...H OF STRAIGHT PIPE I E NO ELBOWS OR BENDS RESISTANCE CREATED BY EACH ELBOW OR BEND G 1 2 15mm 22mm 28mm 35mm UP TO 9m UP TO 18m UP TO 27m 0 8m 1 0m 1 4m G 3 4 22mm 28mm 35mm 42mm UP TO 9m UP TO 18m UP TO 27m 1 0m 1 4m 1 7m G 1 28mm 35mm 42mm 54mm UP TO 9m UP TO 18m UP TO 27m 1 4m 1 7m 2 3m Table 10 Sizing of copper discharge pipe D2 for common T P Relief Valve sizes Safety device e g Temperature r...

Page 18: ...s detailed below In hard water areas consideration should be given to periodically descaling the immersion heater elements Todo this the Andrews buffer unit will need to be drained NOTE The water discharged may be very hot Draining the Buffer Switch off the electrical supply to the primary heat source Turn off the water supply to the unit Attach a hosepipe to the drain valve having sufficient leng...

Page 19: ...f heating and hot water systems ii Any spare parts used MUST be authorised Andrews buffer parts iii NEVER bypass any thermal controls or operate system without the necessary safety valves iv Water contained in the Andrews buffer unit may be very hot especially following a thermal control failure Caution must be taken when drawing water from theunit 19 ...

Page 20: ...on of the installation manual and any replacement parts used should be approved spare parts The original warranty period will apply to any parts replaced The warranty does NOT cover Any consequential damages or profit loss which may arise from a defect Warranty claims have no delaying effect on the payment dates and other demands Your Andrews Commercial warranty covers you for a direct replacement...

Page 21: ... the right to make changes and improvements in our products which may affect the accuracy of the information contained in this leaflet All goods are sold subject to our standard Conditions of Sale which are available on request Customer support 8am 5pm Monday Friday Tel 0345 070 1055 Web andrewswaterheaters co uk ICOM Energy Association linkedin com company andrews water heaters AndrewsWH Register...

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