Riello RTC-80 Series User Manual

3
This manual, Code 20158857 - Rev. 2 (02/2020)
comprises 56 pages.
CONTENTS
The following symbols are used in this manual:
9
CAUTION! = Identies actions that require caution and ad-
equate preparation.
0
STOP! = Identies actions that you MUST NOT do.
This manual, Code
- Rev.
comprises
pages.
1 GENERAL ...........................................4
1.1 General safety information.......................4
1.2 General safety instructions.......................4
1.3 Description of the appliance .....................6
1.4 Identication .................................6
1.5 System layout.................................7
1.6 Technical specications .........................8
1.6.1 Ratings (natural gas ring) .......................8
1.6.2 Ratings (oil ring) .............................8
1.6.3 Specications.................................9
1.7 Intended use ................................ 10
1.8 Certication and test mark...................... 10
1.9 Regulations and guidelines ..................... 10
1.9.1 National regulation ........................... 10
1.9.2 Compliance with standards and regulations ........ 10
1.9.3 Additional regulations for installations in the
Commonwealth of Massachusetts ................ 10
1.10 Suitable fuels .................................11
1.11 Burners .....................................11
1.11.1 Recommended burners and burner plate accessories kit 12
2 INSTALLATION .....................................13
2.1 Unpacking the product ........................ 13
2.2 Overall dimensions and weights ................. 14
2.3 Moving and removing the packaging .............. 15
2.4 Installation premises .......................... 16
2.4.1 Installation clearances ......................... 16
2.4.2 Minimum clearance to combustibles ...............17
2.5 Water connections ............................ 18
2.6 Sensor manifold installation ....................20
2.7 Sensor manifold connections.................... 21
2.8 Positioning of sensor sockets .................... 22
2.8.1 Water-side pressure drop.......................24
2.8.2 Flow limits ..................................25
2.8.3 Water quality requirements .....................25
2.8.4 Central heating system .........................25
2.8.5 New central heating systems ....................25
2.8.6 Reconditioning old heating systems...............26
2.8.7 Elimination of air and gas from central heating system 26
2.8.8 Use of antifreeze .............................26
2.9 Typical water system schematics ................. 27
2.10 Draining the condensate .......................35
2.11 Neutralizing the condensate ....................35
2.12 Combustion gas exhaust .......................36
2.12.1 Venting requirements.......................... 37
2.12.2 Code required vent terminations ................. 37
2.12.3 Combustion air from outside the building ..........38
2.12.4 Combustion air from an adjacent room ............38
2.12.5 Condensate removal ..........................38
2.13 Door hinges .................................39
2.14 Changing the direction of door opening............39
2.15 Removing the hinge assembly "B" ................ 41
2.16 Earth connection ............................. 41
2.17 Fitting the casing panels .......................42
3 COMMISSIONING ...................................43
3.1 Preparing for initial startup .....................43
3.2 Third party control units........................43
3.3 Hydraulic connection to the heating system.........43
3.4 Making the electrical connection .................43
3.5 Fitting temperature sensors .....................43
3.6 Flushing the heating system ....................44
3.7 Filling the heating system ......................44
3.8 Preparing the heating system for operation .........44
3.9 Commissioning the control unit and burner.........44
3.10 Commissioning report .........................45
4 SHUTDOWN ........................................46
4.1 Shutting down the heating system................46
4.2 Shutting down the heating system in an emergency ..46
5 INSPECTION AND MAINTENANCE ...................47
5.1 Why is regular maintenance important?............ 47
5.2 Maintenance ................................47
5.3 Cleaning the boiler............................48
5.4 External cleaning .............................49
5.5 Checking and correcting the water pressure.........49
5.5.1 Inspection and maintenance reports ..............50
5.6 Troubleshooting .............................. 51
6 ENVIRONMENTAL PROTECTION/DISPOSAL..........52

Riello RTC-80 Series Specifications

General

Brand	Riello
Model	RTC-80 Series
Category	Boiler
Language	English