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The code of practice for the installation,
commissioning & servicing of central heating systems
ACCOLADE
ACCOLADE
DESIGN, INSTALLATION AND
SERVICING INSTRUCTIONS
PLEASE LEAVE THESE INSTRUCTIONS ADJACENT
TO THE CYLINDER
TM
An unvented hot water storage unit complying with the requirements of
in the interest of continuously improving the Accolade Estate range, Gledhill
Water Storage Ltd reserve the right to modify the product without notice,
and in these circumstances this booklet, which is accurate at the time of
printing, should be disregarded
Building Regulations Approved Document G3.
Please read these instructions before commencing installation.
ESTATE
ESTATE
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Summary of Contents for Benchmark Accolade Estate AE140D
- Page 1 DESIGN, INSTALLATION AND SERVICING INSTRUCTIONS PLEASE LEAVE THESE INSTRUCTIONS ADJACENT TO THE CYLINDER benchmark An unvented hot water storage unit complying with the requirements of Building Regulations Approved Document G3. The code of practice for the installation, commissioning & servicing of central heating systems Please read these instructions before commencing installation.
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Page 2: Table Of Contents
The code of practice for the installation, commissioning & servicing of central heating systems As part of the undustry wide “Benchmark” initiative all Gledhill Accolade Estates now include a Benchmark installation, Commissioning and Service Record Log Book. Please read carefully and complete all sections relevant to the appliance installation. The details of the Log Book will be required in the event of any warranty work being required. -
Page 3: Description
DESCRIPTION MANUFACTURER GLEDHILL WATER STORAGE LTD Maximum inlet pressure to Pressure Reducing Valve 6 bar Operating pressure (PRV setting) 1.5 bar Expansion Relief Valve setting 3 bar Maximum primary working pressure 3.5 bar Opening pressure of T & P Relief Valve 4 bar Opening temperature of T &... - Page 4 DESCRIPTION INTRODUCTION Accolade Estate is a range of unvented hot water storage appliances designed to provide mains pressure hot water to comply with Section G3 of the Building Regulations. The Accolade Estate incorporates a twin tank design and is housed in a pre-finished rectangular case with all connections front mounted.
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Page 5: System Design
SYSTEM DESIGN ACCOLADE ESTATE DIRECT Basic Appliance - see Figure 1 Anti vacuum valve Temperature and Pressure relief valve 1¾” x 3kW on peak (boost) upper immersion heater (incalloy) complete with control and overheat thermostats 1¾” x 3kW off peak lower immersion heater (incalloy) complete with control and overheat thermostats ½”... -
Page 6: Issue 6
SYSTEM DESIGN ACCOLADE ESTATE INDIRECT Basic Appliance - see Figure 2 Anti vacuum valve Temperature and Pressure relief valve 1¾” x 3kW emergency immersion heater (incalloy) complete with control and overheat thermostat mm copper - for connection to the primary return. ½”BSP (M) for connection to the potable expansion vessel Pocket for control/high limit thermostat... - Page 7 SYSTEM DESIGN l l i l l a l l u & º ( l n i t a l f e i & f e i c i f ) l ( ) l ( e l i t i l e .
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Page 8: Installation
INSTALLATION GENERAL DESIGN CONSIDERATIONS T h e m i n i m u m c u p b o a r d w i d t h t o accommodate the Accolade Estate is 700mm. 700 mm minimum internal cupboard width The base chosen for the cylinder should be level and capable of supporting the weight of the unit when full of water as shown in... - Page 9 INSTALLATION e. If the supply to the mixer fittings (other than a dual outlet type) is not taken PLASTIC PIPEWORK from the balanced supply the system will become over pressurized and cause the pressure relief valve to discharge. Over time this could also cause the This appliance is suitable for use with premature failure of the appliance itself which will not be covered by the plastic pipework as long as the material...
- Page 10 INSTALLATION P R E S S U R E & T E M P E R AT U R E R E L I E F PIPEWORK The safety relief valves should be installed Typical Discharge Pipe Arrangement to discharge in accordance with G3 of the Approved Document of the Building Regulations and should be piped to where it is visible, but will not cause danger to persons...
- Page 11 INSTALLATION TEMPERATURE/PRESSURE RELIEF VALVE This safety device is also pre-set at the factory and relieves before the temperature THERMOSTAT reaches 100ºC. it is also a Pressure Relief Valve, and is pre-set to 4 bar. IMMERSION HEATERS These are 3kW 40V AC heaters and incorporates thermostat and a manually reset cut-out which operates at 80ºC.
- Page 12 INSTALLATION HEATING/PRIMARY SYSTEMS The boiler and primary/heating systems should be sized and installed in accordance with BS 5449. SAFETY Motorised Accolade Estate is fitted with a Pressure Valve Relief Valve to cope with any increase in (Energy system pressure above the design limitations, cut-out) and a Temperature Relief Valve to provide an adequate safety factor when used with boilers...
- Page 13 INSTALLATION Typical schematic wiring diagram for Accolade Estate Indirect models (Ver: 081003 Heating Programmer Heati Honeywell dual thermostat Overheat stat Control stat Pump Pump L N E L N E L N E L N E Mains Supply From double From pole isolator pole isolator...
- Page 14 INSTALLATION Functional Wiring Diagram for Accolade Estate Indirect Models (Ver: 081003) 230V, 50Hz, 5A Double pole fused isolator Honeywell dual tore thermostat programmer Pump Control thermostat thermostat HW zone valve Room HTG zone valve thermostat Boiler Boiler Page 14...
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Page 15: Commissioning
BS 5449/the boiler manufacturers instructions. combustible materials against or on top of this appliance. NOTE: This appliance is covered by BENCHMARK and the log book must be completed after commissioning and after every maintenance/service visit. Page 15... -
Page 16: Fault Finding
FAULT FINDING PROBLEMS AND REMEDIAL ACTION SCALE in hard water areas it is recommended that an in-line scale inhibitor is fitted. Reducing the temperature of the stored water will reduce the rate at which scale forms. if the recovery rate is badly affected, this is an indication that scaling may have occurred. in this event, follow the procedures as recommended by a reputable Water Treatment Company. -
Page 17: Parts
SPARE PARTS i r c l i c f e i l l e l l e l n i l l e l l e t i l l i Z t i l l i Z t i l l i Z l l e - i t... - Page 18 APPENDIX A WATER SAVINGS WATER RELATED COSTS CAN BE REDUCED BY GOOD PLUMBING PRACTICE. TAPS & MIXERS 2 TAP 5, 6 OR HALF OPEN OVER 8 L/M 20 L/M Unregulated Fitted with regulator SHOWERS Regulated Unregulated 4 FIXING OPTIONS FOR TAPS & 10 - 12 l/m 25 - 30 l/m MIXERS...
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Page 19: Terms & Conditions
APPENDIX B MANUAL HANDLING OF APPLIANCE PRODUCTS Description e. Taking the lead for team lifts- As more than one person is required for these products ensure that one Manual handling means any transporting or supporting of a load (including lifting, person is taking the lead. This may putting down, pushing, pulling, carrying or moving) by hand or bodily force. - Page 20 (vi) The benchmark log book is completed after each sold between the date of receipt of order and the date of receipt of payment in full; and annual service.
- Page 21 of three years from the date of delivery Gledhill will replace, free of charge, any plate heat exchanger fitted in recovering any such goods the property in which the appliance as original equipment in which scale formation occurs that materially reduces the effectiveness has remained in us under paragraph (2) above.
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