Name: Reliance Radiance RAPID RTIU702 Series
Brand: Reliance
Rating: 4 (1 reviews)

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Installation and Maintenance Instructions

Radiance

Thermal Interface Units (TIU)

RAPID - RTIU702XXX

Twin plate exchanger unit to generate instantaneous DHW

with indirect heating connections.

Designed and

manufactured

in the UK

Conforms to Building Regulations Part L (2010)

Table of Contents2
Reliance Worldwide Corporation (UK) Ltd3
Dos and Don'ts4
Safety5
Abbreviations6
General Information6
Working Parameters and Specifications7
Dimensions8
- Schematic9
- Diagram10
Operation11
- Domestic Hot Water Demand11
- Space Heating Demand11
Installation12
- Unpacking the Unit12
Installation - no First Fix Rail and no Stand13
- Fitting Location13
- Fitting Template13
- Wall Mounting13
- Connecting the Ball Valves13
- Fitting Template (Example)14
Installation - with First Fix Rail and no Stand15
- Mechanical Fixing15
- Installing the First Fix Rail16
- Fitting Template17
- Wall Mounting17
- Connecting the Ball Valves17
Installation - Stand off Frame with (Optional)18
First Fix Rail18
- Mechanical Fixing18
- Installing the First Fix Rail for Stand19
- Stand off Frame Assembly19
- Fixing the Stand off Frame to the20
- Fixing the Stand off Frame Directly20
- Mounting the TIU to the Stand off20
- Connecting the Ball Valves21
Replacing the Cover22
Hydraulic Connections23
Sharkbite ® Metal Push-Fit Connectors24
Electrical Installation25
- Junction Box26
- Circuit Diagram26
Commissioning27
- Flushing the Network27
- Filling the TIU27
- Filling the Primary Circuit27
- Filling the Mains Water Circuit27
- Filling the Secondry Circuit27
Differential Pressure Control Valve28
Diverter Valve29
- Disassembly29
- Assembly30
Thermostatic By-Pass Valve31
Thermostatic Heating Control Valve31
Zone Valve31
Thermostatic Mixing Valve32
- Servicing the TMV32
Pump33
Heat Meter33
- Error Codes33
- Screen Functions34
Maintenance35
Strainers35
Troubleshooting36
Fault Finding Flowchart37
Symptoms and Actions38
Spares and Accessories39
Commissioning Check Sheet40
Service Record41
Servicing and Service Records41

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Reliance Radiance RAPID RTIU702 Series Specifications

General

Brand	Reliance
Model	Radiance RAPID RTIU702 Series
Category	Heater
Language	English

Reliance Radiance RAPID RTIU702 Series User Manual

Table of Contents

Questions and Answers:

Reliance Radiance RAPID RTIU702 Series Specifications