Table of Contents
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Table of Contents
Summary of Contents for strada Aquatherm STA140UC
- Page 1 Technical Manual Manual must be completed by Installer and left with Home Owner...
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Page 2: Table Of Contents
28/03/19 Contents Aquatherm: Schematic ..................2 Aquatherm: Connection Heights ................. 3 Technical Data ..................... 3 Handling & Storage ....................4 Mains Water Supply .................... 4 Discharge/Overflow Requirements ..............4 Water Treatment ....................5 Commissioning..................... 6 Immersion Heaters ....................8 Troubleshooting....................9 Aquatherm Spares List .................. -
Page 3: Aquatherm: Schematic
28/03/19 Aquatherm: Schematic Ballvalve Hot Out Boiler Flow c/w Thermostatic Mixing Valve High Efficiency Secondary Coil Boiler Coil Flow Cold Mains Secondary Water c/w Y Strainer Boiler Central Control Stat Heating Flow @75⁰C & Return Boiler Coil Return Drain Immersion Heater Boiler Return... -
Page 4: Aquatherm: Connection Heights
28/03/19 Aquatherm: Connection Heights The connection heights shown below are taken from the ground (in mm). Allow an additional 100mm to the diameter for external pipework connections. Capacity (Litres) Height 1250 1475 1500 1700 Diameter Drain Immersion Heater Central Heating Flow Central Heating Return Boiler Flow 1075... -
Page 5: Handling & Storage
28/03/19 Handling & Storage DO NOT LIFT BY THE PIPEWORK as this can loosen off the pre-tested pipework and may result in leaks. Check the joints before filling with water in case anything has been loosened in transit. ... -
Page 6: Water Treatment
28/03/19 Water Treatment In accordance with the Building Regulations L1A: New Dwellings/ L1B: Existing Dwellings, the requirements set out in the Domestic Building Services Compliance Guide specify that “where the mains water hardness exceeds 200ppm provision should be made to treat the feed water to water heaters and the hot water circuit of combination boilers to reduce the rate of accumulation of lime scale”. -
Page 7: Commissioning
28/03/19 Commissioning The below is a recommended guide of actions and checks that should be undertaken during commissioning:- During commissioning, complete all relevant sections of the Commissioning Checklist (Page 10-12). This must be completed during commissioning and left with product to meet the Warranty conditions. ... - Page 8 28/03/19 Boilers – Set the boiler pump to its highest setting. Set the Boiler Thermostat and also the tank thermostat to maximum. Fire the boiler on HOT WATER ONLY setting and wait until the boiler goes off. Turn the cylinder thermostat down slowly till it clicks off, then turn it down by approximately 2⁰C.
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Page 9: Immersion Heaters
28/03/19 Immersion Heaters Immersion Heaters should be set to ensure the reading on the Thermometer reaches 75°C (maximum 80°C) once the unit is heated. We would recommend setting the Immersion Heaters at 70°C and the high limit at 90°C. This can be lowered or increased as required for the installation requirements. -
Page 10: Troubleshooting
28/03/19 Troubleshooting SYMPTOM SOLUTION Check the thermometer is showing the store temperature is at or approaching 75°C - 80C. The water at the tap is lukewarm or cold. If this is not the case, ensure that the boiler is firing, that the control thermostat is set at 75⁰C and allow sufficient time for the store to reach working temperature If the store is at or approaching 75°C - 80C, check that the... - Page 11 28/03/19 If an inhibitor has been installed, check with the installer that it has been installed at the correct proportion and checked at appropriate frequencies. The in-line strainer in the cold mains supply to the unit may be choked and require cleaning. Tank is set at 75°C but the mains Carefully check the hot water temperature flow into the mixing...
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Page 12: Aquatherm Spares List
28/03/19 Aquatherm Spares List Part Number Description SUTMIX1 22mm Thermostatic Mixing Valve SUTVESS1 2 Litre Expansion Vessel SUTSTAT1 Cylinder Thermostat SUTSTRAINER1 22mm Y-Strainer SUTBALL1 15mm Ballvalve SUTFLOAT1 4.5” Plastic Float... -
Page 13: Commissioning Checklist
28/03/19 Commissioning Checklist THERMAL STORE MAINS PRESSURE HOT WATER STORAGE SYSTEM COMMISIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the storage system as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. - Page 14 28/03/19 ALL SYSTEMS What is the incoming static cold water pressure at the inlet to the system? If above 3.0 Bar, has a pressure reducing valve been fitted? Has cold mains strainer been cleaned of installation debris? Is the installation in a hard water area (above 200ppm)? If yes, has a water scale conditioner/inhibitor been fitted? What type of scale conditioner/inhibitor has been fitted? Has flow rate been restricted to a maximum of 18 litres at...
- Page 15 28/03/19 ALL SYSTEMS PRIMARY SETTINGS (Indirect Heating Only) Is the primary circuit a sealed or open vented system? Sealed Open What is the maximum primary flow temperature? ⁰C ALL INSTALLATIONS The hot water system complies with the appropriate Building Regulations. The system has been installed and commissioned in accordance with the manufacturer’s instructions.
- Page 20 Advanced Water Company Unit D5 Enterprise Way Vale Park Evesham Worcestershire WR11 1GS Tel: 01386 760066 Fax: 01386 760077 Email: sales@advancedwater.co.uk...
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