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Santon PP170E User Manual

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1
UNVENTED MAINS PRESSURE WATER HEATER
100, 120, 150, 170, 210, 250 AND 300 LITRE
DIRECT AND INDIRECT MODELS
INSTALLATION AND SERVICING INSTRUCTIONS
36 00 5803 Issue 7
PACK CONTENTS
Premier Plus unvented water heater incorporating immersion heater(s) and thermal controls
Factory tted Temperature/Pressure Relief Valve Cold Water Combination Valve Expansion
Vessel Expansion Vessel Mounting Bracket Tundish Motorised Valve (Indirect models
only) Compression nuts and olives Immersion heater spanner Installation Instructions
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Santon PP170E Specifications

General IconGeneral
BrandSanton
ModelPP170E
CategoryWater Heater
LanguageEnglish

Summary

Introduction

1.0 Introduction

Overview of the Santon Premier Plus unvented water heater and its compliance with regulations.

General Requirements

2.1 Components Supplied

Lists all parts included in the Premier Plus unvented water heater package.

2.2 Siting the Unit

Specifies correct positioning and environmental considerations for unit installation.

2.3 Water Supply

Details requirements and recommendations for the mains water supply to the unit.

2.4 Outlet/Terminal Fittings

Discusses suitable terminal fittings and pressure considerations for outlets.

2.5 Limitations

Lists incompatible systems and situations where the heater should not be used.

Installation - General

3.1 Pipe Fittings

Specifies the types of pipe fittings to be used for connections to the unit.

3.2 Cold Feed

Details requirements for the cold water supply connection, including pipe size.

3.3 Cold Water Combination Valve

Explains the function and installation of the combined pressure reducer, strainer, and valves.

3.4 Drain Tap

Describes the installation of a drain tap for maintenance and servicing.

3.5 Expansion Vessel

Details the purpose, pre-charge, and installation of the expansion vessel.

3.6 Secondary Circulation

Discusses requirements and considerations for installing a secondary circulation system.

3.7 Outlet

Describes the hot water outlet connection and distribution pipework recommendations.

3.8 Discharge Pipework

Covers requirements for safely conveying discharge from safety devices, following G3.

3.9 Warnings

Lists critical warnings regarding the installation and operation of the system.

Installation - Direct Units

4.1 Plumbing Connections

Outlines the required pipework connections for direct units.

4.2 Electrical Supply

Explains the electrical supply requirements and wiring for direct units.

4.3 Safety

Provides crucial safety information and warnings for direct unit installation.

Installation - Indirect Units

5.1 Plumbing Connections

Outlines the required pipework connections for indirect units.

5.2 Electrical Supply

Explains the electrical supply requirements and wiring for indirect units.

5.3 Boiler Selection

Guides the selection of a compatible boiler for indirect systems.

5.4 Primary Circuit Control

Covers the control of the primary circuit, including the motorised valve.

5.5 Space and Heating Systems Controls

Discusses the integration of space heating controls with the unit.

Commissioning

6.1 Filling the Unit with Water

Explains the correct procedure for filling the unit with water and flushing.

6.2 System Checks

Describes essential checks to ensure system integrity and proper function.

6.3 Direct Units

Outlines the commissioning steps for direct electric units.

6.4 Indirect Units

Outlines the commissioning steps for indirect units, including primary circuit.

6.5 Benchmark™ Log Book

Emphasizes the importance of completing the Benchmark log book for installation and service.

Maintenance

7.1 Maintenance Requirements

States the necessity of regular maintenance for safety and performance.

7.2 Safety Valve Operation

Describes how to test the safety valves for proper operation.

7.3 Strainer

Details the procedure for cleaning the strainer element.

7.4 Descaling Immersion Heater(s)

Explains how to remove and clean immersion heaters, including safety precautions.

7.5 Expansion Vessel Charge Pressure

Details how to check and recharge the expansion vessel pressure.

7.6 Re-commissioning

Outlines the steps for recommissioning after maintenance.

7.7 Benchmark™ Log Book

Reinforces the need to update the Benchmark log book after maintenance.

Fault Finding and Servicing

8.1 Important

Stresses that only authorized personnel should perform servicing and use genuine parts.

8.2 Spare Parts

Lists available spare parts with their part numbers for ordering.

8.3 Fault Finding

Details a chart to help identify faults, their causes, and recommended remedies.

User Instructions

9.1 Warnings

Crucial safety warnings for users, especially regarding relief valve discharge.

9.2 Temperature Controls – Direct Unit

Explains how users can adjust the temperature settings on direct units.

9.3 Temperature Controls – Indirect Units

Explains how users can adjust temperature settings on indirect units.

9.4 Flow Performance

Describes normal flow behaviour and potential water cloudiness.

9.5 Operational Faults

Refers users to fault-finding and explains intermittent discharge.

Guarantee

10.0 Guarantee

Outlines the terms and conditions of the product guarantee.

Environmental Information

Environmental Information

Provides information on the product's environmental impact and recyclability.

Spares Stockists

11.0 Spares Stockists

Lists companies where spare parts can be purchased.

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