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Design, Installation & Servicing Instructions

Models covered in this manual

PulsaCoil PCS 150
PulsaCoil PCS 180
PulsaCoil PCS 220

PulsaCoil Stainless

Hot water cylinder utilising off-peak electric

Summary of Contents for PulsaCoil PCS 150 ECO

Page 1: ...Design Installation Servicing Instructions Models covered in this manual PulsaCoil PCS 150 PulsaCoil PCS 180 PulsaCoil PCS 220 PulsaCoil Stainless Hot water cylinder utilising off peak electric ...

Page 2: ...nto every Gledhill product and we hope you get satisfactory service from Gledhill If not please let us know Benchmarkplacesresponsibilitiesonbothmanufacturersandinstallers Thepurposeisto ensure that customers are provided with the correct equipment for their needs that it is installed commissionedandservicedinaccordancewiththemanufacturersinstructions by competent persons and that it meets the req...

Page 3: ...otifiable to Building Control as part of the domestic water installations The PulsaCoil Stainless is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience or knowledge unlesstheyhavebeengivensupervisionorinstructionconcerninguseoftheappliance by a person responsible for their safety Children should be supervised to ensure that...

Page 4: ...re through the plate heat exchanger Because this product does not require a safety discharge from a temperature and pressure relief valve any installations will be easy to incorporate into the building and will not suffer from the problems associated with using PVCu soil stacks to take the discharge from unvented cylinders The heat losses from thermal stores should not be directly compared with he...

Page 5: ...1 or 1 1 2 En suite shower rooms 1 1 2 1 Standard Economy 7 tariff PCS150 PCS150 PCS180 PCS220 Economy 10 tariff PCS150 PCS150 PCS150 PCS180 Notes 1 Plastic top up cistern will be supplied separately 2 Theflowratesarebasedona35 Ctemperatureriseandassumethatrecommended pressures and adequate flow are available at the appliance The actual flow rate from the appliance is automatically regulated to a ...

Page 6: ...flow regulator 9 Screwed connection for a drain tap 10 Top up cistern complete with cold feed open vent pipework assembly is supplied separately 11 Store sensor Note Both immersion heaters are low watts density type with incaloy 825 sheaths and are specially manufactured to suit thermal stores It is recommended that any replacements should be obtained from Gledhill Spares The immersion heaters are...

Page 7: ...rise vertically adjacent to the appliance the width depth will need increasing to accommodate this Appliance Dimensions Model Height A Width B Depth C PCS150 1145 560 630 PCS180 1275 560 630 PCS220 1575 560 630 Minimum Cupboard Dimensions Model Height D Width E Depth F PCS150 1895 600 645 PCS180 2025 600 645 PCS220 2325 600 645 B E C PulsaCoil Stainless Top up cistern Top up cistern 300 350 A 100 ...

Page 8: ... used All pipe positions are approximate and subject to a tolerance of 10mm in any direction Space will also be required for a 15mm cold water supply and a 22mm warning overflow pipe if the optional extra ball valve and overflow connector have been specified If a warning overflow pipe is NOT provided the F E Cistern should be filled from a temporary hose connection incorporating a double check val...

Page 9: ...he time of order for hardness levels between 200 and 300 ppm mg l Warning overflow pipe MCWS Safety open vent Shower Expansion cold feed Second dwelling Pressure limiting valve NOT REQUIRED at pressures below 5 bar unless any components have a lower maximum working pressure Double check valve NOT REQUIRED unless pipe supplies more than one dwelling a flow regulator recommended for better balance o...

Page 10: ... Also a conventional pumped secondary circulation system shown below can be used with any model of the PulsaCoil It is important that the cold water pipework is adequately separated and protected from any heating from the hot water pipework to ensure that the water remains cold and of drinking water quality If secondary circulation is used there is a possibility that excessively hot temperatures m...

Page 11: ... controller The size of the appliance and the need to use the on peak boost facility is reduced if a better off peak tariff can be agreed with the electrical supply company see Model Selection Guide on page 5 Wiring The PulsaCoil With A Split Consumer Unit I e Separate On And Off Peak Supplies Historically this has been the typical supply method and no special wiring arrangements are required DHW ...

Page 12: ...changes at the meter In this caseasinglechannelclockwillneedtobefitted in the off peak supply to the PulsaCoil The off peak time clock will need to be synchronised with the tariff times set on the meter and be rated for at least 3kW at 230V Although the PulsaCoil Stainless appliance is primarily designed to operate with an off peak supply it will also operate quite successfully if it is only suppl...

Page 13: ...perienced from the immersion heaters as the store approaches its design temperature Cupboardtemperatureswillnormallybeslightlyhigherthaninaconventionalsystem and the design of the cupboard and door will need to take this into account No ventilation is normally required to the cupboard The separate Top up cistern will need to be located on top of the appliance or at high level in the cupboard housi...

Page 14: ...20 J19 J3 J7 J8 J1 TS sensor GND GND IN OUT T1 T2 1 2 CW sensor 1 2 Combined flow and HW temperature sensor L Brown PR61 E G Y N Blue PWM PWM SPARE Fuse Dip Switch 1 2 3 4 To DHW pipe All the these sensor inputs carry a Voltage of 5V The max cable length is 1 meter The sensors connected to the control Should be free from the appliance earth ...

Page 15: ...y the H S E The appliance can be moved using a sack truck on the rear face although care should be taken and the route should be even In apartment buildings containing a number of storeys we would recommend that the appliancesaremovedverticallyinamechanical lift If it is proposed to use a crane expert advice should be obtained regarding the need for slings lifting beams etc Beforeinstallationthesi...

Page 16: ...ins cold water D 22mm Domestic hot water E Drain tap connection Note The safety open vent and cold feed expansion must be connected to the top up cistern using the pipework assembly provided Do not alter or connect any pressure relief device to the vent pipe of this water heater All factory made joints should be checked after installation in case they have been loosened during transit The fittings...

Page 17: ...o install the top up cistern directly on top of the appliance If it is necessary to locate the cistern in the roof space or on a higher floor the cold feed open vent pipework assembly as supplied should be used to connect to the top up cistern and pipework site run by the installler to connect this to the appliance Obviously any pipework in the roof space and the feed and expansion cistern will ne...

Page 18: ...y to check the impact of this on the flow rate at individual taps We recommend that flow regulators are provided for each tap terminal fitting to ensure that the available flow is shared evenly See Appendix A for further details Commissioning the PulsaCoil Control System It can be checked that the boost immersion heater is drawing current by use of a clamp meter on the live supply when boost is ac...

Page 19: ...tly limited with a flow restrictor If flow rate not as expected determine the cause and rectify clean inline strainer check the flow restrictor is present and not blocked It is located in the top of the inline strainer Power on Switch on the Local fuse spur and observe the PWM pump The green LED will flash showing the pump has a power supply and is in standby mode Open a HW tap and observe the PWM...

Page 20: ... operate to prevent the pump sticking 9 DO ensure that the functioning and control of the system is explained to the occupant 10 DON T place any clothing or other combustible materials against or on top of this appliance The front panel should then be refitted Annual Servicing No annual servicing of the PulsaCoil Stainless is necessary However if required the operation of the controls and a hot wa...

Page 21: ...lve outlet 90 valve GT135 4 Pump isolating valve inlet GT133 5 Immersion heater 3kW SH003 6 Stat 73 C overheat manual reset XB081 7 Main PCB controller XB111 8 Cold water and store sensors GT198 9 Y strainer XB314 10 Flow sensor XB091 11 Scale inhibitor XB153 1 9 11 8 10 2 3 4 5 6 7 SERVICING SHORT PARTS LIST ...

Page 22: ...ctions to the PCB are numbered below for Logical sequence check electrical connections fault finding section on page 23 first to ensure your own safety This section will potentially identify any short circuited components and or wiring faults that need to be rectified before continuing to work on the appliance check that the correct information is being supplied to the board This section will iden...

Page 23: ...procedure CW temperature sensor Power off Disconnect J18 Measure and record the resistance across terminals 6 and 13 Measure the cold water inlet temperature Compare the resistance measured with chart Tasseron NTC 12k thermistor The reading should make sense taking measurement conditions into consideration TS temperature sensor Power off Disconnect J18 Measure and record the resistance across term...

Page 24: ...9804 30 1 2 8500 29 1 4 6652 40 1 1 8000 30 1 5 4607 50 1 7500 31 1 6 3252 60 0 9 7000 33 1 7 2337 70 1 1 6500 35 1 7 1707 80 1 3 6000 37 1 8 1266 90 1 5 5500 39 1 9 952 100 1 8 5000 41 2 1 4500 44 2 2 4000 47 2 3 3500 50 2 5 3000 54 2 7 2500 59 2 9 2000 65 3 3 1500 73 3 7 1000 86 4 3 R nominal R nominal B value B value R Tolerance R Tolerance Tmin Tmin Tmax Tmax 125 C under 25 C 0 025 T C over 25...

Page 25: ... to measure the frequency Measure the PWM frequency produced by the board between pins 3 on J8 and pin 9 on J8 This can be between 100Hz 5000 Hz 1000Hz nominal Lab tested figure of 562Hz recorded in steady state conditions Duty cycle Switch your Multimeter to duty cycle or then it will show a percentage from 0 to 100 This percentage is the command for the pump how fast it should run When you perfo...

Page 26: ...installation water quality clean system if debris Blinks red Pump out of function Pump stopped blocked Blockage the pumps is fully blocked due to debris in system Check for blockage Turn ON OFF to reset the pump by unplugging the power supply If the pumps still blinking red after a power reset then replace the pump Faulty electronic module and or faulty motor LED off No power supply No voltage on ...

Page 27: ...diagram polarity correct OK OK Sensors in correct location OK OK OK N OK OK LED Blinks red green Resolve OK Under voltage U 160 V or Over voltage U 253 V Resolve OK Pump overheating Check water and ambient temperatures Resolve Pump Over speed Ensure that there is no other external flow other pump running on system OK Resolve Over current the stator winding is in short circuit due to water Check fo...

Page 28: ...ood House 40 New Road Stourbridge West Midlands DY8 1PA TeLePHONe 01384 442611 FAX 01384 442612 water Savings water Related Costs Can Be Reduced By good Plumbing Practice TAPS MIXERS SHOWERS Unregulated 25 30 l m Regulated 10 12 l m Over 20 l m 5 6 or 8 l m 2 tap half open Fitted with regulator Unregulated 4 Fixing Options For taps Mixers 1 MK Range Combined Regulators Aerator forscrewingontoTaps ...

Page 29: ...Page 29 APPENDIX APPENDIX B ...

Page 30: ...fting at the top of the product Each appliance is supplied with a pallet which has been attached to the unit via the packaging The pallet will also allow for one or two persons to get a good hold e Taking the lead for team lifts As more than one person is required for these products ensure that one person is taking the lead This may be you so ensure that each person that is helping is made aware o...

Page 31: ...Page 31 NOTES NOTES ...

Page 32: ...ombination chloride sulphate Max 300 mg l in total 9 2 5 Whereappropriatetheunithasbeenregularlymaintainedasdetailedintheinstallationandserviceinstructions 9 2 6 Defects caused by corrosion or scale deposits are not covered by any Guarantee 9 2 7 Where we agree to rectify any defect we reserve the right to undertake the work on our own premises 9 2 8 We will not accept any labour charges associate...

Page 33: ... i the Purchaser shall hold the goods in a fiduciary capacity for us and shall store the same separately from any other goods in the Purchaser s possession and in a manner which enables them to be identified as our goods ii the Purchaser shall immediately return the goods to us should our authorised representative so request All the necessary incidents associated with a fiduciary relationship shal...

Page 34: ...ate will then be issued to the customer Heating and Hotwater Industry Council HHIC www centralheating co uk demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference Failure to install and commission this equipment to the manufacturer s instructions may invalidate the warranty but does not affect statutory rights Customer name T...

Page 35: ...ame Telephone No Comments Signature SERVICE 05 Date Engineer name Company name Telephone No Comments Signature SERVICE 07 Date Engineer name Company name Telephone No Comments Signature SERVICE 09 Date Engineer name Company name Telephone No Comments Signature SERVICE 02 Date Engineer name Company name Telephone No Comments Signature SERVICE 04 Date Engineer name Company name Telephone No Comments...

Page 36: ...o provide further customer support with a range of services including Low cost annual repair and maintenance contracts direct from Gledhill Annual servicing and safety checks Expert response to out of warranty breakdowns at fixed charges Please call 08445 679898 or visit www gledhill net for further details Only the best is acceptable FM 02057 Gledhill Building Products Limited Sycamore Estate Squ...

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