Polywarm-Maxi
PWC Indirect Hot Water Cylinders
and
PWB Buffer Vessels
Models PWC1 - 500, 800, 1000 & 1500
PWC2 - 500, 800, 1000 & 1500
Models PWB - 500, 800, 1000, 1500, 2000,
2500 & 3000
!
Page
1
of
25
Installation and Operating Instructions
Page 1: ...axi PWC Indirect Hot Water Cylinders and PWB Buffer Vessels Models PWC1 500 800 1000 1500 PWC2 500 800 1000 1500 Models PWB 500 800 1000 1500 2000 2500 3000 Page 1 of 25 Installation and Operating Ins...
Page 2: ...h Directive 2014 68 EU PED and the Regulations 812 2013 and 814 2013 issued by Directive 2009 125 EC ErP EcoDesign Requirements for Energy Related Products and by Directive 2010 30 EC Energy Labelling...
Page 3: ...awn to the following documents for best practice Statutory Instruments Water Supply Water Quality England Wales Regulations 2016 as amended The Public Water Supplies Scotland Regulations 2014 as amend...
Page 4: ...onella in Health Care Premises Code of Practice 2006 General Requirements All connections to the local water main must comply with Water Supply Water Fittings Regulations 1999 as amended Compliance wi...
Page 5: ...tation 5 Blind inspection flange 6 Primary circuit flow 7 11 4 BSP connection for magnesium anode 8 Connection for immersion heater 10 1 2 BSP tapping for instrumentation 11 Re circulation 13 T P valv...
Page 6: ...lation Unvented models require necessary safety equipment SRV PRV Safety relief pressure reducing valve including check valve external expansion vessel tundish and a T P Temperature and Pressure relie...
Page 7: ...ping for instrumentation 4 1 2 BSP tapping for instrumentation 11 Re circulation 5 Blind inspection flange 12 Upper coil flow 6 Primary circuit flow 13 T P valve 7 1 2 BSP tapping for instrumentation...
Page 8: ...e use of forklift when handling and drain pipe already fitted Note 500 model Hard foam insulation applied to tank All other models Removable soft fleece insulation Unvented models require necessary sa...
Page 9: ...2 2 3 Performance data Page 9 of 25...
Page 10: ...g for instrumentation 8 9 1 2 BSP tapping for instrumentation 10 Connection for immersion heater 11 Re circulation 12 T P valve 13 Alternative return from external heat source source 14 Domestic hot w...
Page 11: ...require necessary safety equipment SRV PRV Safety relief pressure reducing valve including check valve external expansion vessel tundish and a T P Temperature and Pressure relief valve These are supp...
Page 12: ...2 3 3 Performance data Page 12 of 25 2 3 4 Unvented kits...
Page 13: ...o filling the system After a few days of operation it is good practice to check the integrity of all joints including the tightness of the inspection flange bolts accessible by removing the cover 5 PW...
Page 14: ...d kit is nominally sized to accommodate the capacity of the cylinder with which it was supplied plus a nominal system pipework volume of approximately 17 5 of the cylinder capacity If the system pipew...
Page 15: ...ontrol and load circuits 15 Electrical connections for optional powered anode In areas of the country that have particularly soft water and therefore poor conductivity of the water less than 200 micro...
Page 16: ...ontactors are suitable for the electrical load and that an earth is connected to the heater refer to Fig 14 Check that the thermostat safety cut out is correctly wired to ensure complete shutdown of t...
Page 17: ...Page of 17 25 Figure 16 Immersion heater wiring diagrams...
Page 18: ...axi SSC1 10 Re circulating pump 11 Hot water outlets 12 Temperature pressure relief valve 13 De Stratification pump 14 Primary heating circuit flow 15 Primary heating circuit return 16 Pressure relief...
Page 19: ...ts 12 Temperature pressure relief valve 13 De Stratification pump 14 Primary heating circuit flow 15 Primary heating circuit return 16 Pressure relief valve 17 Immersion heater 18 Two port motorised v...
Page 20: ...ting valve 3 Strainer 4 Pressure reducing valve 5 Expansion vessel 6 Non return valve 7 Expansion relief valve 8 Drain valve 9 Inox Maxi SSC1 10 Re circulating pump 11 Hot water outlets 12 Temperature...
Page 21: ...k all joints for water tightness 8 Check the operation of all relief valves by manually opening the valves via the attached levers and ensuring that the discharged water clears freely via the tundish...
Page 22: ...ur on initial opening of a hot water tap on a unvented hot water system and does not indicate a fault Page of 22 25 20 Regular Maintenance To ensure safe and continued performance of the water heater...
Page 23: ...lways be in manual mode and its activation will be at the discretion of the user using the keypad on the control panel Electrical resistance P3 ON OFF In manual mode the user sets the temperature of t...
Page 24: ...ary Probe 2 Range of operation 50 C 125 C Range of measurement 0 110 C 1 C T3 22 23 Primary Probe 3 Range of operation 50 C 125 C Range of measurement 0 110 C 1 C OUTPUTS P1 3 4 Primary Control 1 230...
Page 25: ...600 Fax 01268 88250 www elco co uk This publication is issued subject to alteration or withdrawal without notice The illustrations and specifications are not binding in detail All offers and sales are...
