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Summary of Contents for Grant DuoWave Series
- Page 1 Grant DuoWave System Solar Cylinder & Heat Pump Cylinder Ranges Installation & User Instructions Part No. DOC 75. Rev 06. January 2011...
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Page 2: Table Of Contents
Storage and Handling W-plan System About Your New Cylinder Y-plan System Open Vented Hot Water Systems S-plan System Taps and Fittings S-plan System for Grant Aerona HP Pipework Connections Solar Thermal System Scaling 1.10 Insulation Commissioning, Draining 1.11 Health and Safety Down &... -
Page 3: Introduction & General Requirements
1.4 Storage and Handling When used in this way, it will not be necessary to install the expansion Thank you for purchasing a Grant If the cylinder is not being installed vessel and cold inlet manifold supplied unvented hot water storage cylinder immediately, it should remain in its with the cylinder. -
Page 4: Technical Specifications
2 Technical Specifications 2.1 Technical Data - DuoWave Direct & Indirect Solar Cylinders DuoWave Direct & Indirect Cylinders Cylinder model 500* Storage capacity (litres) Overall diameter (mm) Overall height (mm) 1075 1230 1480 1745 2110 1835 Weight empty (kg) - direct models Weight full (kg) - direct models Weight empty (kg) - indirect models Weight full (kg) - indirect models... -
Page 5: Technical Data - Duowave Hp
2.2 Technical Data - DuoWave HP Indirect Cylinders DuoWave HP Cylinders Cylinder model Storage capacity (litres) Overall diameter (mm) Overall height (mm) 1075 1230 1480 1745 2110 Weight empty (kg) Weight full (kg) Secondary return connection (mm) Cold feed/hot draw-off connections (mm) Top/bottom coil connections (mm) Top coil length (m) 16.02... - Page 6 2 Technical Specifications 2.3 Dimensions - DuoWave Direct & Indirect Solar Cylinders 22mm Hot water 40˚ 30˚ 0˚ 30˚ draw off " T & P Relief valve (factory fitted) 22mm Boiler flow 22mm Secondary return Boiler stat pocket 22mm Boiler return 22mm Solar flow (500 model only) Immersion heater...
- Page 7 22mm Hot water draw off 40˚ 30˚ 0˚ 30˚ " T & P Relief valve (factory fitted) 22mm Secondary return Immersion heater (factory fitted) 22mm Solar return Solar stat pocket 22mm Solar flow Immersion heater (factory fitted) 22mm Cold water inlet Figure 2-2: DuoWave direct solar cylinder dimensions DuoWave Direct Solar Cylinder Dimensions...
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Page 8: Dimensions - Duowave Hp
2 Technical Specifications 2.4 Dimensions - DuoWave HP Indirect Cylinders 22mm Hot water draw off 40˚ 30˚ 0˚ 30˚ " T & P Relief valve (factory fitted) 22mm Heat pump flow 22mm Heat pump return 22mm Secondary return Heat pump stat pocket Immersion heater (factory fitted) -
Page 9: Connections And Controls
2.5 Connections and Controls Figure 2-4: DuoWave direct solar cylinders Figure 2-5: DuoWave indirect solar cylinders Item Description Connection Size Item Description Connection Size DHW Out 22mm compression Immersion heater c/w control & " BSPF limit thermostat (factory fitted) T & P valve connection "... - Page 10 2 Technical Specifications Figure 2-6: DuoWave HP indirect cylinders Item Description Connection Size Item Description Connection Size DHW Out 22mm compression Pressure reducing valve - 3 bar T & P valve connection " BSPF Balanced cold supply connection 22mm compression Heat pump return tapping 22mm compression Expansion relief valve - 6 bar...
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Page 11: Primary Circuit Installation
Figures 5-3, 5-5 or 5-7 for boilers (depending on system design) and Figure 5-9 for a Grant Aerona heat pump to comply with current legislation. For other makes of heat pump please check with the heat pump manufacturer... -
Page 12: Secondary Circuit Installation
The cylinder must be registered bath should be limited to a maximum of with Grant UK within 30 days of 48°C by using an in-line blending valve installation. Refer to Section 11 for (not supplied with the cylinder) with a further details on the Cylinder maximum temperature stop. -
Page 13: Secondary Return
4.7 Secondary Return All DuoWave solar and HP cylinders are fitted with a secondary return connection. If a secondary return circuit is required it should be connected to the DuoWave solar or HP cylinder as shown below: Cold inlet Balanced cold supply for showers or bidet only (see Section 4.2) Secondary Circulation... -
Page 14: Discharge Pipe Arrangement
4 Secondary Circuit Installation 4.10 Discharge Pipe Arrangement 4.12 Worked Example The example below is for a ”diameter temperature relief valve with a Safety device ( e.g. temperature relief valve) discharge pipe (D2) having 4 elbows and a length of 7 m from the tundish to Metal the point of discharge. -
Page 15: Electrical Installation
For an air source heat pump (other than c) Wire the immersion heater in a Grant Aerona heat pump) consult the accordance with the wiring diagram heat pump manufacturer for connection (Figure 5-1). It should be wired details. -
Page 16: W-Plan System
5 Electrical Installation 5.5 ‘W’ Plan System Schematic and Wiring Diagram - DuoWave Indirect Solar Cylinder and Boiler Grant DuoWave Indirect water cylinder Radiator 3 port diverter valve (not supplied) 2 port zone valve (supplied) Pump Boiler Figure 5-2: ‘W’ Plan system schematic... -
Page 17: Y-Plan System
5.6 ‘Y’ Plan System Schematic and Wiring Diagram - DuoWave Indirect Solar Cylinder and Boiler Grant DuoWave Indirect water cylinder Radiator 3 port mid-position valve (not supplied) 2 port zone valve (supplied) Pump Boiler Figure 5-4: ‘Y’ Plan system schematic... -
Page 18: S-Plan System
5 Electrical Installation 5.7 ‘S’ Plan System Schematic and Wiring Diagram - DuoWave Indirect Solar Cylinder and Boiler Grant DuoWave Indirect water cylinder Radiator 2 port zone valve 2 port diverter valve (supplied) (not supplied) Pump Boiler Figure 5-6: ‘S’ Plan system schematic... -
Page 19: S-Plan System For Grant Aerona Hp
2 port zone valve 2 port diverter valve (supplied) (not supplied) Grant Aerona Heat pump (with integral circulating pump) Figure 5-8: ‘S’ Plan system schematic - for Grant Aerona heat pump Blue Grey Blue Grey Brown Brown Orange Orange 230V... -
Page 20: Solar Thermal System
Cylinder Electrical Station Temperature Junction Box Sensor Dual Thermostat 2 port or solenoid valve (Not supplied) Figure 5-10: Solar thermal schematic Grant GSD1 Mk2 Controller N E L Solar pump 230V Sensor N E L Solenoid valve Cylinder Collector bottom... -
Page 21: Commissioning, Draining Down & Safety
6 Commissioning, Draining Down & Safety 6.1 Filling the Cylinder 3. Reduce thermostat setting and 6.6 Expansion Vessel press the reset button. After IMPORTANT 1. The expansion vessel is connected adjustments are completed, ensure Before filling the cylinder check that the into the cold water supply to the the lid to the electrical box is immersion heater has not loosened in... -
Page 22: Maintenance
3. Only use spare parts authorised by months (more frequently in hard type) from body of valve and Grant Engineering (UK) Limited. The water areas) to prevent debris from withdraw valve ensuring not to use of unauthorised spare parts will building up behind the valve seat. -
Page 23: Fault Finding
8 Fault Finding Guide 8.1 Intermittent Water Discharge Intermittent Water Discharge from T & P Valve Expansion Vessel Thermostat Failure Charge Reduced Immersion Thermostat Primary Cylinder Faulty T & P Failure Thermostat Valve Test Vessel and Recharge or Replace Repair or Replace Repair or Replace Replace T &... -
Page 24: Constant Water Discharge
8 Fault Finding Guide 8.2 Constant Water Discharge Constant Water Discharge from T & P Valve Faulty T & P Faulty Pressure Expansion Vessel Charge Reduced Valve Reducing Valve Test Vessel and Replace T & P Replace Pressure Recharge or Replace Valve Reducing Valve Test for correct operation. -
Page 25: Cold Water Flow From Hot Water Taps
8.4 Cold Water Flow from Hot Water Taps Cold Water from Hot Water Taps Is Motorised Valve Is Programmer calling Is Boiler working? for Hot Water? working? Check and Set Hot Is Cylinder Stat Check Motorised Valve Water setting Calling for Heat? motor and Micro-switch Has Thermal Cut-Out Check and Reset... -
Page 26: Excessive Hot Water From Taps
8 Fault Finding Guide 8.5 Excessive Hot Water from Taps Excessive Hot Water from Taps Is System Wiring Correct Wiring as Is Cylinder Thermostat set too high? correct? per instructions Reduce Thermostat Is Cylinder Thermostat Replace Cylinder Setting Operating? Thermostat Does Motorised Valve Repair or Replace Motorised Valve Motor... -
Page 27: Spare Parts
9 Spare Parts 9.1 Spare Parts Figure 9-1: Pressure Reducing Valve Figure 9-3: Inlet Manifold including Figure 9-5: Flexible Hose (Cartridge and Strainer) - 3 bar pressure reducing valve, expansion relief valve Figure 9-2: Tundish Figure 9-4: Expansion Relief Valve (Complete) - 6 bar Figure 9-6: Expansion Vessel DuoWave Indirect Cylinder Spare Parts... -
Page 28: User Instructions
10 User Instructions 10.1 User Instructions WARNING 1. Your Grant DuoWave Solar or DuoWave HP unvented hot water cylinder has been designed to give If water is seen to flow from either the many years of trouble-free service Temperature & Pressure Relief (T&P... -
Page 29: Warranty
11 Warranty 11.1 The Grant Cylinder In the first Instance: 4. The Grant Cylinder must be installed Warranty Contact your installer or commissioning by a competent/licensed installer engineer to ensure that the fault does and in accordance with the Codes of... -
Page 30: Extended Warranty
11.2 Extended Warranty For further peace of mind Grant Engineering (UK) Ltd offer the option to insure all the components of your Grant Cylinder for a further three years, following on from the two year product warranty period. For a single premium... - Page 31 Notes...
- Page 32 GRANT ENGINEERING (UK) LTD Hopton House, Hopton Industrial Estate, Devizes, Wiltshire. SN10 2EU Telephone: 01380 736920 Fax: 01380 736991 Email: info@grantuk.com Website: www.grantuk.com...
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