Potterton Gold Installation And Servicing Instructions
Potterton Gold Installation And Servicing Instructions

Potterton Gold Installation And Servicing Instructions

Unvented mains pressure water heaters 100, 120, 150, 170, 210, 250 and 300 litre capacity direct and indirect models

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UNVENTED MAINS PRESSURE WATER HEATERS
100, 120, 150, 170, 210, 250 and 300 LITRE CAPACITY DIRECT AND
INDIRECT MODELS INSTALLATION AND SERVICING INSTRUCTIONS
The POTTERTON GOLD unvented water heater incorporating immersion heater(s) and thermal controls
l Factory fitted temperature/pressure relief valve l Cold water combination valve assembly
l Expansion vessel and mounting bracket l Tundish l Motorised valve (indirect models only) l
Compression nuts and olives l Immersion heater spanner l Installation instructions
IMPORTANT: PLEASE READ AND UNDERSTAND THESE INSTRUCTIONS
BEFORE COMMENCING INSTALLATION. PLEASE LEAVE THIS MANUAL
WITH THE CUSTOMER FOR FUTURE REFERENCE.
Benchmark places responsibilities on both manufacturers and installers. The purpose is to ensure that customers
are provided with the correct equipment for their needs, that it is installed, commissioned and serviced in
accordance with the manufacturer's instructions by competent persons and that it meets the requirements of
the appropriate Building Regulations. The Benchmark Checklist can be used to demonstrate compliance with
Building Regulations and should be provided to the customer for future reference.
Installers are required to carry out installation, commissioning and servicing work in accordance with the
Benchmark Code of Practice which is available from the Heating and Hotwater Industry Council who manage
and promote the Scheme. Visit www.centralheating.co.uk for more information.
IMPORTANT NOTE TO USER: PLEASE REFER TO THE USER INSTRUCTIONS SECTION ON PAGES 19 AND 20 FOR
IMPORTANT INFORMATION WITH RESPECT TO THE BENCHMARK SCHEME

INTRODUCTION

The POTTERTON GOLD cylinder is a purpose designed
unvented water heater. The unit has a stainless steel inner
vessel, which ensures an excellent standard of corrosion
resistance. The outer casing is a combination of resilient
thermoplastic mouldings and plastic coated corrosion
proofed steel sheet. All products are insulated with CFC
free polyurethane foam to give good heat loss
performance. ( See Table 6 )
The unit is supplied complete with all the necessary
safety and control devices needed to allow connection
to the cold water mains. All these components are preset
and not adjustable.
PACK CONTENTS
THE BENCHMARK SCHEME
This appliance complies with the requirements of
the CE marking directive and is Kiwa approved to
show compliance with Building Regulations
(Section G3).
The following instructions are offered as a guide
to installation which must be carried out by a
competent plumbing and electrical installer in
accordance with Building Regulation G3, The
Building Standards (Scotland) Regulations 1990, or
The Building Regulations (Northern Ireland).
NOTE: Prior to installation the unit should be stored
in an upright position in an area free from excessive
damp or humidity.
1

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Summary of Contents for Potterton Gold

  • Page 1: Introduction

    INDIRECT MODELS INSTALLATION AND SERVICING INSTRUCTIONS PACK CONTENTS The POTTERTON GOLD unvented water heater incorporating immersion heater(s) and thermal controls l Factory fitted temperature/pressure relief valve l Cold water combination valve assembly l Expansion vessel and mounting bracket l Tundish l Motorised valve (indirect models only) l...
  • Page 2: Table Of Contents

    Contents PAGE INTRODUCTION..............1 GENERAL REQUIREMENTS..........3 INSTALLATION-GENERAL..........4 INSTALLATION..............10 COMMISSIONING.............13 MAINTENANCE..............14 USER INSTRUCTIONS............15 FAULT FINDING AND SERVICING.........16 HEAT LOSS................18 ENVIRONMENTAL INFORMATION.......18 COMMISSIONING CHECK LIST........19 SERVICE RECORD..............20 GUARANTEE...............21 TECHNICAL SUPPORT AND SPARES......24...
  • Page 3: General Requirements

    Note: (see Fig. 1). guarantee high flow rates. • Ensure that the floor area for the POTTERTON GOLD cylinder is level and capable of permanently Wherever possible the mains supply pipe should be supporting the weight when full of water.
  • Page 4: Installation-General

    LIMITATIONS The pressure reducing valve incorporates the pressure reducer and strainer and the expansion valve The POTTERTON GOLD cylinder should not be used incorporates the expansion and check valves. Ensure in association with any of the following: • Solid fuel boilers or any other boiler in which that the valves are installed in the correct order the energy input is not under effective and orientation.
  • Page 5 increase in system water content, it may be necessary to fit an additional expansion vessel to the secondary circuit. This should be done if the capacity of the secondary circuit exceeds 10 litres. Pipe capacity (copper): 15mm O.D. = 0.13 l/m (10 litres = 77m) 22mm O.D.
  • Page 6 Fig. 4 General dimensions TYPE DIMENSIONS (mm) COIL NOMINAL HEATING TIME CAPACITY RATING HEAT UP RECOVERY DIRECT (mins) Direct Indirect (litres) (kW) TIME (mins) (mins) 364 493 784 11.2 315 364 615 906 364 800 1090 315 364 925 1216 12.5 364 1184 1474 1378...
  • Page 7 DISCHARGE PIPEWORK Tundish It is a requirement of Building Regulation G3 3.54 The tundish should be vertical, located in the same that any discharge from an unvented system space as the unvented hot water storage system and be fit- is conveyed to where it is visible, but will not ted as close as possible to, and lower than, the valve, with cause danger to persons in or about the building.
  • Page 8 The cold water combination valve assembly water and steam. Asphalt, roofing felt and non-metallic must be fitted on the mains water supply to rainwater goods may be damaged by such discharges. the POTTERTON GOLD cylinder. • No control or safety valves should be tampered with or used for any other purpose. •...
  • Page 9 Safety device (e.g. Temperature relief valve) Metal discharge pipe (D1) from Temperature relief valve to tundish 600mm maximum Tundish Discharge below 300mm fixed grating minimum (Building Regulation G3 section 3.61 gives alternative points of discharge) Discharge pipe (D2) from tundish, Fixed grating with continuous fall.
  • Page 10: Installation

    ELECTRICAL SUPPLY (FIG. 6) pushed firmly onto the corresponding termina- 100 litre direct Potterton Gold units are fitted with tions on the element plate assembly. one 3kW immersion heater, all other direct mod- In case of difficulty contact service support;...
  • Page 11 2.5m. PRIMARY CIRCUIT CONTROL The 2 port motorised valve supplied with the POTTERTON GOLD cylinder MUST be fitted on the primary flow to the POTTERTON GOLD cylinder heat exchanger and wired in series with the indirect thermostat and thermal cut-out fitted to the unit.
  • Page 12 Fig. 8: Schematic wiring diagram - Basic 2 x 2 port valve system Fig. 9: Schematic wiring diagram - 3 port mid position valve system. N.B. Must be used in conjunction with 2 port zone valve supplied...
  • Page 13: Commissioning

    3.5 bar to match boiler, ensure the programmer is set to Domestic the control pressure of the pressure reducing Hot Water and allow the POTTERTON GOLD cylinder valve. The precharge pressure is checked using to heat up to a normal working temperature (60...
  • Page 14: Maintenance

    Switch on electrical supply to the immersion turn on the cold water supply and allow unit to heater(s) and allow the Potterton Gold to heat up to refill. DO NOT switch on the immersion heater(s) or normal working temperature (60ºC recommended, boiler until the unit is full.
  • Page 15: User Instructions

    COMPETENT INSTALLER. TEMPERATURE CONTROLS - INDIRECT UNITS (Fig. 7 BENCHMARK Page 10) The POTTERTON GOLD cylinder is covered by the The POTTERTON GOLD cylinder units are fitted Benchmark Scheme which aims to improve the with an indirect thermostat and thermal cut-out.
  • Page 16: Fault Finding And Servicing

    SPARE PARTS A full range of spare parts are available for the POTTERTON GOLD cylinder range (See Table 4 Page 17 ). Refer to the technical data label on the unit to identify the model installed and ensure the correct part is ordered.
  • Page 17 Fig. 11: Spares Diagram Imme r s io n h e a t e r (lo w e r ) 9 5 6 0 6 9 6 1 Imme r s io n h e a t e r (u p p e r ) 9 5 6 0 6 9 6 2 Imme r s io n h e a t e r g a s ke t 9 5 6 1 1 8 2 2...
  • Page 18: Heat Loss

    Table 5: Fault finding chart HEAT LOSS ENVIRONMENTAL INFORMATION Standing Heat Loss Nominal Capacity POTTERTON GOLD products are manufactured from per day per year (litres) many recyclable materials. At the end of their useful life (kW h/24h) (kW h/365d) they should be disposed of at a Local Authority Recycling 1.14...
  • Page 21: Guarantee

    Codes of Practice and Regulations in force at the time of installation. • The Benchmark Checklist has been completed upon commissioning and the Benchmark Service Record is completed for each service. • It has not been modified in any way, other than by POTTERTON GOLD. • It has not been frost damaged. • It has only been used for the storage of potable water. •...
  • Page 22 NOTES...
  • Page 23 NOTES...
  • Page 24: Technical Support And Spares

    Coventry Road, Warwick, CV34 4LL Tel: 0844 871 1532 The policy of POTTERTON GOLD is one of continuous product development and, as such, we reserve the right to change specifications and guarantee terms and conditions without notice. 36006077 Issue 04...

This manual is also suitable for:

Gold series

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