Grant HPMONO/IND125 Installation & User's Instructions
Monowave system
indirect heat pump cylinder range
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- Page 1 Storage Cylinder Grant MonoWave System Indirect Heat Pump Cylinder Range Installation & User Instructions Part No. DOC 74. Rev 04. January 2011 For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - info@mytub.co.uk...
- Page 2 4.10 Discharge Pipe Arrangement 10.1 User Instructions 4.11 Discharge Pipe Sizing 4.12 Worked Example 11 Warranty 11.1 The Grant Cylinder Warranty 11.2 Extended Warranty For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - info@mytub.co.uk...
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Page 3: General Requirements
Please also make sure that any connection to an air source heat pump, 1.8 Pipework Connections installation complies with the such as the Grant Aerona range. If a All Pipework connections to the cylinder instructions contained in this installation source such as Solar Thermal or must be made in accordance with instruction manual. -
Page 4: Technical Specifications
2 Technical Specifications 2.1 Technical Data MonoWave HP Indirect Cylinders Model Number Storage capacity (litres) Overall diameter (mm) Overall height - with expansion vessel on cold supply (mm) 1075 1230 1480 1745 2110 Weight empty (kg) Weight full (kg) Secondary return connection (mm) Cold feed/hot draw-off connections (mm) Primary coil connections (mm) Primary coil length (m) -
Page 5: Dimensions
2.2 Dimensions 22mm Hot water 40˚ 30˚ 0˚ 30˚ draw off " T & P Relief valve (factory fitted) 22mm Heat pump flow 22mm Heat pump return 22mm Secondary return Immersion heater (factory fitted) on 300 & 400 models only 22mm Cold water inlet Immersion heater... -
Page 6: Connections And Controls
2 Technical Specifications 2.3 Connections and Controls Figure 2-3: MonoWave HP indirect cylinders Figure 2-4: MonoWave HP indirect cylinders - 125, 150, 170, 200 & 250 - 300 & 400 Item Description Connection Size Item Description Connection Size Hot water draw off 22mm Balanced cold supply connection 22mm compression T &... -
Page 7: Primary Circuit Installation
Aerona Heat Pump range) - either open cylinder and wired in accordance with vented or sealed systems having a Figure 5-3 for a Grant Aerona heat maximum working pressure of 3 bar pump to comply with current legislation. and a maximum working temperature For other makes of heat pump please of 90ºC. -
Page 8: Secondary Circuit Installation
(not supplied with the cylinder) with a The cylinder must be registered maximum temperature stop. The length with Grant UK within 30 days of of the supply pipe between the installation. Refer to Section 11 for blending valve and the bath hot water... -
Page 9: Secondary Return
4.7 Secondary Return All MonoWave HP cylinders are fitted with a secondary return connection. If a secondary return circuit is required it should be connected to the MonoWave HP cylinder as shown below: Cold inlet Balanced cold supply for showers or bidet only (see Section 4.2) Secondary Circulation... -
Page 10: 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 11: Electrical Installation
The valve should be wired in indicated. cover. accordance with Figure 5-3 for a Grant Aerona heat pump, to comply with b) The immersion heater is factory current legislation. Temperature fitted to the cyinder. -
Page 12: S' Plan System
However Pump you can also connect the flow above the return. Grant Aerona heat pump (with integral circulating pump) Figure 5-2: ‘S’ Plan system schematic - for Grant Aerona heat pump Blue Grey Blue Grey Brown Brown Orange Orange... -
Page 13: 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 either adjustments are completed, ensure Before filling the cylinder check that the connected into the cold water the lid to the electrical box is immersion heater has not loosened in... -
Page 14: 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 15: 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 16: 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 17: 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 18: 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 19: 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 MonoWave Indirect Cylinder Spare Parts... -
Page 20: User Instructions
10 User Instructions 10.1 User Instructions WARNING 1. Your Grant MonoWave HP unvented hot water cylinder has been designed to give many years If water is seen to flow from either the of trouble-free service and is made Temperature & Pressure Relief (T&P... -
Page 21: Warranty
Breakdown during the Chargeable Repairs: Warranty Manufacturer’s Warranty A charge will be made if the cause of If your Grant Cylinder should fail during the breakdown is due to any of the Dear Customer the first two years, you must contact following:... -
Page 22: Extended Warranty
For further peace of mind Grant (installations utilising a private water Engineering (UK) Ltd offer the option to supply are not covered by this insure all the components of your Grant guarantee). Cylinder for a further three years, 8. Breakdown/failure due to lime-scale... - Page 23 Notes For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - info@mytub.co.uk...
- Page 24 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 For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - info@mytub.co.uk...
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