Elson Zircon 190 S Ind Installation & Servicing Instructions Manual Download Page 1

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Pack Contents

• Zircon Solar unvented water heater incorporating immersion heater(s) & thermal controls

•

Factory fitted temperature/pressure relief valve (set at 90°C / 1 Mpa (10bar))

•

Cold water combination valve assembly

•

Expansion vessel & mounting bracket

• Tundish

• 2 Port motorised valve

•

Compression nuts & olives

• Immersion heater spanner

• Installation & servicing instructions

• Guarantee card

IMPORTANT

Please read & understand all these instructions before commencing installation.

Please leave this manual with the customer for future reference.

Zircon Installation Manual

Unvented Solar Indirect Water Heaters

Installation & Servicing Instructions

Summary of Contents for Zircon 190 S Ind

Page 1: ...xpansion vessel mounting bracket Tundish 2 Port motorised valve Compression nuts olives Immersion heater spanner Installation servicing instructions Guarantee card IMPORTANT Please read understand all these instructions before commencing installation Please leave this manual with the customer for future reference Zircon Installation Manual Unvented Solar Indirect Water Heaters Installation Servici...

Page 2: ...ons Section G3 The following instructions are offered as a guide to installation which must be carried out by a competent plumbing and electrical installer in accordance with Building Regulation G3 The Building Standards Scotland Regulations 1990 or The Building Regulations Northern Ireland NOTE Prior to installation the unit should be stored in an upright position in an area free from excessive d...

Page 3: ...er supply to the property will be supplying both the hot and cold water requirements simultaneously It is recommended that the maximum water demand is assessed and the water supply checked to ensure this demand can be satisfactorily met Note A high mains water pressure will not always guarantee high flow rates Wherever possible the mains supply pipe should be 22mm We suggest the minimum supply req...

Page 4: ...IRCUIT CONTROL OF THE SOLAR PRIMARY CIRCUIT IS ACHIEVED BYTHE USE OF EXTERNALCONTROLS NOT SUPPLIED WITH THE UNIT CONTROL MUST BEAPURPOSE DESIGNED SOLAR DIFFERENTIAL TEMPERATURE CONTROLLER Checklist Unvented cylinder Cold control pack Tundish Combination valve Expansion vessel Tool Element spanner Compression nuts olives 2 Port motorised valve Literature pack Installation manual Guarantee card Oper...

Page 5: ...he unit The expansion vessel is pre charged at 0 35MPa 3 5 bar The expansion vessel must be connected between the expansion valve and the cylinder see Fig 06 Page 10 The location of the expansion vessel should allow access to recharge the pressure as and when necessary this can be done using a normal car foot pump It is recommended that the expansion vessel is adequately supported An expansion ves...

Page 6: ...Rating kW Heat up Time mins Hot Water Capacity ltrs volume of water drawn off 40 C A B C D Solar Auxiliary Solar Indirect 190 S Ind 1401 1085 784 925 65 120 19 14 2 32 132 210 S Ind 1499 1186 1012 1026 85 120 19 15 0 25 196 250 S Ind 1752 1438 1143 1279 95 145 19 15 2 30 237 300 S Ind 2065 1752 1440 1592 120 175 19 17 4 32 265 D B 373 C A 415 SOLAR RETURN SOLAR FLOW COLD INLET HOT OUTLET T P VALVE...

Page 7: ...ndish 3 54 The tundish should be vertical located in the same space as the unvented hot water storage system and be fitted as close as possible to and lower than the valve with no more than 600mm of pipe between the valve outlet and the tundish see Fig 05 page 9 Note To comply with the Water Supply Water Fittings Regulations the tundish should incorporate a suitable air gap 3 55 Any discharge shou...

Page 8: ... to prevent contact whilst maintaining visibility and c discharges at high level e g into a metal hopper and metal downpipe with the end of the discharge pipe clearly visible or onto a roof capable of withstanding high temperature discharges of water and 3m from any plastic guttering system that would collect such discharges 3 63 The discharge would consist of high temperature water and steam Asph...

Page 9: ... 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 600mm maximum 300mm minimum Safety device e g Temperature relief valve Metal discharge pipe D1 from Temperature relief valve to tundish Tundish Discharge below fixed grating Bui...

Page 10: ...ection if required Cold water combination valve Mains water supply Isolating valve not supplied Discharge pipe Tundish Drain cock not supplied Secondary return if required use swept tee Inlet Boost element Auxillary control housing Solar controls housing Auxillary Primary return Auxillary Primary flow Solar Primary return o Secondary Return Tapping if required ...

Page 11: ...roller should be fully inserted with the thermal cut out probe into the pocket provided on the SOLAR cylinder The cable must be secured using the cable clamps on the controls housing Connection to the solar controller should be in accordance with the manufacturers instructions The solar controller should be programmed to give a cylinder temperature of approximately 60 C maximum 70 C THERMAL CUT OU...

Page 12: ...pework from valve outlets to tundish Connection to the primary circuit All connections are 22mm compression However 3 4 BSP parallel threaded fittings can be fitted to the primary coil connections if required Boiler Selection The boiler should have a control thermostat and non self resetting thermal cut out and be compatible with unvented storage water heaters Where use of a boiler without a therm...

Page 13: ...8 9 10 1 2 3 4 5 6 7 8 9 10 Supply 1 2 3 G 1 Br Bl 2 0 GY 3 G 1 Br Bl 2 0 1 3 2 2 L N Programmer Boiler Pump Zone valve HTG Cylinder terminal block Room stat Zone valve DHW supplied Junction box 3 2 3 L 1 N 2 3 HTG ON DHW ON L N 2 3 1 L 2 N 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 Supply 1 2 3 G W Bl 2 0 GY 3 G 1 Br Bl 2 0 L N Programmer Boiler Pump 3 Port Zone valve Cylinder terminal block 1 3 2 2 R...

Page 14: ...aximum storage temperature in the cylinder of 70 C 60 C is recommended to minimise scaling Secondary heating coil Fill the secondary circuit following the boiler manufacturer s commissioning instructions To ensure the cylinder primary heat exchanger is filled the 2 port motorised valve supplied should be manually opened by moving the lever on the motor housing to the MANUAL setting When the primar...

Page 15: ...emove the thermostat capillaries Note the order of the capillaries within the pocket Remove the terminal shroud Unscrew immersion heater backnut and remove immersion heater from the unit A key spanner is supplied with the cylinder unit for easy removal tightening of the immersion heater Over time the immersion heater gasket may become stuck to the mating surface To break the seal insert a round bl...

Page 16: ...due to aeration of the water is quite normal and will quickly clear Temperature Controls Solar Temperature control of the solar primary coil is by means of solar differential temperature controller This will usually have been set during commissioning to give a storage temperature of approximately 60 C Refer to user instructions supplied with the controller for details of how to adjust this if requ...

Page 17: ...connections to motorised valve Water discharges from expansion valve INTERMITTENTLY Expansion vessel charge pressure has reduced below 3 5 bar or set to high See maintenance section for re charging of expansion vessel procedure CONTINUALLY Cold water combination valve pressure reducer not working correctly Expansion valve seat damaged Check pressure from cold water combination valve If greater tha...

Page 18: ...bination valve complete 70 344 68 7 Direct combined thermostat and thermal cut out 95 612 717 8 Indirect combined thermo stat and thermal cut out 95 612 716 9 Thermal cut out 95 612 698 10 Terminal cover 77 008 62 11 6 way terminal block 95 607 933 12 Accessory kit Indirect without expansion vessel 95 607 968 13 Solar pocket assembly 95 607 064 14 Expansion vessel 24 litre 95 607 612 15 3 way term...

Page 19: ...ling of waste electrical equipment The separate collection and recycling of your waste equipment at the time of disposal will help to conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment For more information about where you can drop off your waste equipment for recycling please contact your local city office your household waste dispo...

Page 20: ...t set temperature C I min Yes Type of control system if applicable Y Plan S Plan Other Is the cylinder solar or other renewable compatible Yes No What is the hot water temperature at the nearest outlet C All appropriate pipes have been insulated up to 1 metre or the point where they become concealed Yes UNVENTED SYSTEMS ONLY What is the pressure reducing valve setting bar Yes No The tundish and di...

Page 21: ...e 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 Signature SERVICE 06 Date Engineer name Company name Telephone No Comments S...

Page 22: ...22 NOTES ...

Page 23: ...23 NOTES ...

Page 24: ... of supply may be required The guarantee is transferable This guarantee does not affect your statutory rights Servicing Baxi Customer Support Baxi Customer Support is Elson s service division With us on your side you can be sure that your customers are in the very best of hands Totally committed to quality and safety Baxi Customer Support is open 7 days a week 363 days a year excluding Christmas D...

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