Aerco Esteem 399, Installation And Maintenance Instructions Manual

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12.6.2 - PVC/CPVC air intake connection ............................................................................................................. 53
12.6.3 - PVC/CPVC vent connection ..................................................................................................................... 53
12.7 - Stainless steel vent piping materials ......................................................................................................................54
12.7.1 - Stainless steel air intake connection ........................................................................................................54
12.7.2 - Stainless steel vent connection ................................................................................................................ 55
12.8 - Polypropylene vent piping materials ......................................................................................................................56
12.8.1 - Polypropylene air intake connection .........................................................................................................57
12.8.2 - Polypropylene vent connection .................................................................................................................57
12.9 - Single pipe vent (not sealed combustion) .............................................................................................................. 58
12.9.1 - Determine location .................................................................................................................................... 59
12.10 - Sidewall termination - Two pipes..........................................................................................................................60
12.10.1 - Vent/air termination .................................................................................................................................60
12.10.2 - Determine location ..................................................................................................................................60
12.10.3 - Prepare wall penetrations .......................................................................................................................62
12.10.4 - Termination and fittings ...........................................................................................................................62
12.10.5 - Multiple vent/air terminations ..................................................................................................................62
12.11 - Sidewall termination – Concentric vent ................................................................................................................63
12.11.1 - Description and usage ............................................................................................................................63
12.11.2 - Sidewall termination installation ..............................................................................................................63
12.11.3 - Multiventing sidewall terminations ..........................................................................................................64
12.12 - Vertical termination - Two pipes ...........................................................................................................................65
12.12.1 - Determine location ..................................................................................................................................65
12.12.2 - Prepare roof penetrations .......................................................................................................................65
12.12.3 - Termination and fittings ...........................................................................................................................65
12.12.4 - Multiple vent/air terminations ..................................................................................................................66
12.13 - Vertical termination – Concentric vent .................................................................................................................67
12.13.1 - Description and usage ............................................................................................................................67
12.13.2 - Determine location ..................................................................................................................................67
12.13.3 - Vertical termination installation ...............................................................................................................67
12.13.4 - Multiventing vertical terminations ...........................................................................................................68
13 - INSTALLATION - CATEGORY II: Vent and combustion air ............................................................................................69
13.1 - CATEGORY II: Negative pressure condensing ......................................................................................................69
13.2 - CATEGORY II: Adapter and increaser ...................................................................................................................69
13.3 - Condensing vent option: CATEGORY II: ...............................................................................................................70
14 - INSTALLATION - Gas supply .........................................................................................................................................72
14.1 - Gas supply piping ..................................................................................................................................................72
14.2 - Pipe sizing for natural gas ......................................................................................................................................73
14.3 - Propane Gas ..........................................................................................................................................................73
14.4 - Check inlet gas supply pressure ............................................................................................................................74
14.5 - Operating at high altitudes .....................................................................................................................................74
14.6 - Convert a heater model 199 or 250 from Natural Gas to Propane gas or viceversa .............................................75
14.7 - Convert a heater model 399 or 500 from Natural Gas to Propane gas or viceversa .............................................77
15 - START-UP ......................................................................................................................................................................78
15.1 - Operating ...............................................................................................................................................................78
15.1.1 - User instructions .......................................................................................................................................78
15.1.2 - Filling the condensate and neutralizing box .............................................................................................78
15.2 - General warnings concerning gas supply ..............................................................................................................78
15.3 - Confirming the heater’s gas type ...........................................................................................................................79
15.4 - Gas type conversion ..............................................................................................................................................79
15.5 - Start-up ..................................................................................................................................................................79
15.6 - Ignition control testing ............................................................................................................................................79
15.7 - Gas supply pressure checking ............................................................................................................................... 80
15.8 - Checking and adjusting CO2 levels ....................................................................................................................... 81
15.8.1 - Checking CO2 level on units model 199 and 250 .................................................................................... 81
15.8.2 - Checking CO2 level on units model 399 and 500 .................................................................................... 81
15.9 - Check the capacity input ........................................................................................................................................ 82
15.10 - Minimum water flow ............................................................................................................................................. 82
16 - USE ................................................................................................................................................................................ 83
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