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Summary of Contents for Grant DuoWave Plus System
- Page 1 Storage Cylinder Grant DuoWave Plus System Triple Coil Solar Cylinder Range Installation & User Instructions Part No. IRL 21. Rev 00. June 2011 Do not fit on a well or borehole supply...
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Page 2: Table Of Contents
Excessive Hot Water from Taps Discharge Pipe Arrangement Discharge Pipe Sizing User Instructions Worked Example User Instructions DuoWave Plus 300 Cold Water Storage Cistern (CWSC) 10 Warranty Cold Feed Pipe 10.1 The Grant Cylinder Warranty Open Vent Pipe Notes Primary Connections... -
Page 3: Introduction & General Requirements
1.1 Installation Requirements 1.4 About Your New Cylinder 1.6 Pipework Connections All Pipework connections to the cylinder Thank you for purchasing a Grant The DuoWave Plus cylinder has three must be made in accordance with vented hot water storage cylinder from coils for connection to Primary heat Figure 2-2. -
Page 4: Technical Specifications
2 Technical Specifications 2.1 Technical Data DuoWave Plus Model Number Storage capacity (litres) Overall diameter (mm) Overall height (mm) 1745 Weight empty (kg) Weight when full (kg) Secondary return connection (mm) Cold feed/hot draw-off connections (mm) Top/bottom coil connections (mm) Top/bottom coil pipe diameter (mm) Middle coil connections (mm) Middle coil pipe diameter (mm) -
Page 5: Dimensions
2.2 Dimensions 22mm Hot water 40˚ 30˚ 0˚ 30˚ draw off " T & P Relief valve (factory fitted) 22mm Secondary return 22mm Boiler return Boiler stat pocket 22mm Boiler flow 28mm Gravity flow " Immersion heater (factory fitted) 28mm Gravity return 22mm Solar return Solar stat pocket 22mm Solar flow... -
Page 6: Connections And Controls
2 Technical Specifications 2.3 Connections and Controls DuoWave Plus Open Vented Cylinder Details Item Description Connection Size DHW Out 22mm compression T & P valve connection " BSPF Boiler return tapping 22mm compression Secondary return tapping 22mm compression Boiler dual thermostat pocket Boiler flow tapping 22mm compression Solar heat source return... -
Page 7: Primary Circuit Installation
3 Primary Circuit Installation 3.1 Grant DuoWave Plus Solar 3.3 Auxiliary Primary Cylinders Connections Grant DuoWave Plus Solar cylinders are Solar Heating suitable for connecting to most fully The Solar flow and return connections pumped domestic gas or oil fired... -
Page 8: Secondary Circuit Installation
4 Secondary Circuit Installation 4.1 Discharge Pipe Arrangement 4.3 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 9: Duowave Plus 300
4.4 DuoWave Plus 300 Cold water Breather with filter storage cistern Vent pipe The Grant DuoWave Plus 300 Open Purpose made Vented Indirect Solar cylinder is Insulating jacket fully fitted lid designed to be used as part of a static Open Vented hot water system. -
Page 10: Electrical Installation
5 Electrical Installation The unit must be permanently d) The BEAB approval certification on WARNING connected to the electrical supply this immersion heater only applies if through a double-pole isolator. A safety a Cotherm TSE rod type thermostats cut-out is also incorporated within the is used. -
Page 11: Y-Plan System
5.3 ‘Y’ Plan System Schematic and Wiring Diagram Grant DuoWave Plus Indirect water cylinder 3 port mid-position valve (not supplied) Radiator Not supplied Pump Boiler Figure 5-2: ‘Y’ Plan system schematic Blue Blue Green/Yellow Brown White Green/Yellow Grey 2 port... -
Page 12: S-Plan System
5 Electrical Installation 5.4 ‘S’ Plan System Schematic and Wiring Diagram Grant DuoWave Plus Indirect water cylinder Radiator Not supplied 2 port diverter valve (not supplied) Pump Boiler Figure 5-4: ‘S’ Plan system schematic Blue Grey Blue Grey Brown Brown... -
Page 13: Solar Thermal System
Collector Twin-coil Cylinder Grant GSD1 Controller Pump Station Electrical Junction Box (not supplied) Figure 5-6: Solar thermal schematic Grant GSD1 Mk2 Controller N E L Solar pump 230V Sensor N E L Solenoid valve Cylinder Collector bottom sensor 230V 3A... -
Page 14: Commissioning, Draining Down & Safety
6 Commissioning, Draining Down & Safety 6.1 Filling the Cylinder 6.3 Safety Cut-Out 6.4 Hot Water Discharge from Tundish IMPORTANT 1. The safety cut-out operates if: Before filling the cylinder check that the There are three reasons why hot water a. -
Page 15: Maintenance
Grant any debris, sand or lime scale particles Engineering (IRL) Ltd authorised that may have collected in the bottom personnel. -
Page 16: Fault Finding
8 Fault Finding Guide 8.1 Intermittent Water Discharge Intermittent Water Discharge from T & P Valve Thermostat Failure Immersion Thermostat Primary Cylinder Faulty T & P Failure Thermostat Valve Repair or Replace Repair or Replace Replace T & P Immersion Thermostat Thermostat Valve Test for correct operation. -
Page 17: Constant Water Discharge
8.2 Constant Water Discharge Constant Water Discharge from T & P Valve Faulty T & P Faulty Pressure Valve Reducing Valve Replace T & P Replace Pressure Valve Reducing Valve Test for correct operation. If water is still discharging, contact a competent Engineer... -
Page 18: No Flow From Hot Water Taps
8 Fault Finding Guide 8.3 No Flow from Hot Water Taps No Flow from Hot Water Taps Mains Supply Mains Supply Disconnected? Disconnected? Open supply valve or Repair or Replace wait for supply to be Thermostat reconnected Test for correct operation. If water is still not flowing, contact a competent Engineer... -
Page 19: 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 Water setting Calling for Heat? Check and Replace Cylinder Thermostat Test for correct operation. -
Page 20: 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 Fault. -
Page 21: User Instructions
9 User Instructions 9.1 User Instructions WARNING 1. Your Grant DuoWave Plus Solar vented hot water cylinder has been designed to give many years of If water is seen to flow from the trouble-free service and is made Temperature & Pressure Relief (T&P... -
Page 22: Warranty
Proof of ‘purchase’ date must be guarantee. operation. provided upon request. 9. The Grant Cylinder must not be Grant Engineering (IRL) Ltd guarantees Chargeable Repairs: sited in a location where it may be all electrical and mechanical A charge will be made if the cause of subjected to frost. -
Page 23: Notes
Notes... - Page 24 All good sold are subject to our official Conditions of Sale, a copy of which may be obtained on application. © Grant Engineering (Ireland) Limited 2008. No part of this manual may be reproduced by any means without prior written consent.
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