Table Of Contents - Rinnai E50CRN Installation & Servicing Instructions Manual

Content
1 Safety and general instructions ........................................................4
1.1 Designated use ...................................................................4
1.2 Hazard defi nitions ................................................................4
1.3 Symbol defi nitions ...............................................................4
1.4 The following instructions must be followed ........................5
1.5 Follow these instructions for the space heating water .........6
1.6 Tools, materials and additional equipment ..........................6
1.7 Relevant Installation, Service and User manuals ................7
1.8 Disposal ...........................................................................7
2 Regulations and guidelines ..............................................................7
3 Description of the boiler ...................................................................8
4 Packaging and transportation ..........................................................9
4.1 Scope of delivery .................................................................9
4.2 Transportation .....................................................................9
5 Installation .........................................................................10
5.1 Requirements for the installation room .............................10
5.2 Fitting the boiler .................................................................11
5.3 Dimensions ........................................................................12
5.3.1 Clearances from boiler ......................................................13
5.4 Technical specifi cations .....................................................14
6 Connecting the boiler .....................................................................15
6.1 Central heating system ......................................................15
6.1.3 Safety valve .......................................................................20
6.1.4 Low water cut off ...............................................................20
6.2 Boiler expansion tank ........................................................20
6.3 Underfl oor heating system (plastic pipes) ...........................20
6.4 Gas supply connection ......................................................20
6.4.1 Gas connection with natural gas .......................................21
6.5 Hot water supply ................................................................22
6.5.1 Domestic Water quality ......................................................22
6.5.2 Domestic water treatment Accessory ...............................22
6.5.3 DHW Expansion Tank ........................................................23
6.5.4 Installing a Thermostatic Mixing Valve .............................23
6.5.5 Installing a valve kit ...........................................................24
6.5.6 Pressure relief Valve ..........................................................24
6.5.7 Programming domestic hot water preheat ........................24
6.6 Condensate drain pipe ......................................................25
6.7 Vent system and air supply system ...................................26
6.7.1 Intake / Exhaust Guidelines ...............................................26
6.7.2a Examples vent and air supply systems (parallel) ..............27
6.7.2b Examples vent and air supply systems (low profi le PP) ....28
6.7.3 Installation of the vent system ...........................................29
6.7.3.1 Conversion from parallel to concentric vent system ..........30
6.7.3.2 Installing air fi lter ...............................................................30
6.7.4 Vent/air intake terminal position ........................................31
6.7.5 Direct vent closet and alcove installation ........................33
6.7.6 Dimensioning of the exhaust and air intake duct .............34
6.7.7 Combustion air and vent piping lengths. ...........................35
6.7.8 Calculation of compensation factor ...................................36
6.7.9 Room Air System (indoor combustion air) .........................37
7 Electrical connections ....................................................................40
8 Boiler controls .........................................................................44
8.1 Explanation of the function buttons ...................................45
9 Starting up: Filling and de-aerating the boiler and installation .......46
9.1 Requirements of the water system ....................................46
9.2 Filling the heating system ..................................................47
9.3 Hot water supply ................................................................48
10 Adjustments .........................................................................50
10.1 Altering adjustments ..........................................................50
10.2 Activating factory settings (green button function) ...........53
11 Isolating the boiler .........................................................................53
12 Commissioning .........................................................................54
12.1 Testing for gas leaks ..........................................................55
12.2 Testing the Ignition Safety shut off device .........................55
12.3 Checking the O .................................................................56
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12.4 Measuring the ionization current .......................................59
12.5 Installing the casing ...........................................................57
13 Maintenance .........................................................................58
13.1 Periodic examination of venting systems and boiler .........58
13.2 Inspection .........................................................................58
13.2.1 Visual inspection for general signs of corrosion ................59
13.2.2 Measuring the ionization current .......................................59
13.2.3 Measuring the inlet gas pressure ......................................59
13.2.4 Testing for gas leaks ..........................................................59
13.2.5 Carrying out a pressure test of the heating system ...........59
13.2.6 Checking venting systems .................................................59
13.3 Maintenance activities .......................................................60
13.3.1 Reset service interval counter ...........................................63
13.4 Limited warranty ................................................................63
14 Parts of the boiler .........................................................................64
15 Blocks and Errors .........................................................................65
15.1 Error indication (short reference) .......................................65
15.2 Blocks .........................................................................66
15.3 Errors .........................................................................67
15.4 Other Errors .......................................................................72
16 Spare parts .........................................................................84
17 Parts list vent system .....................................................................80
18 Common venting guidelines ...........................................................82
Appendix A - Outoor Reset Sensor Data and
Resistance table NTC sensors .......................................83
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