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Heating and Hot Water Solutions 

AERCO International, Inc.  •  100 Oritani Drive • Blauvelt, NY 10913

 

USA: T: (845) 580-

8000 • Toll Free: (800) 526

-

0288 • AERCO.com

 

Technical Support • (800) 

526-

0288 • Mon

-Fri, 8 am - 5 pm EST 

© 2020 AERCO

 

TAG-0090_B  

  GF-5056  

• 

  2/20/2020 

 

Venting and Combustion  
Air Design Guide 

 

Applies to models: 

 

INN 600N 

 

INN 800N 

 

INN 1060N 

 

INN 1350N 

Innovation Water Heaters

 

With Edge [i] Controller 

 

Disclaimer 

The information contained in this manual is subject to change without notice 
from AERCO International, Inc. AERCO makes no warranty of any kind with 
respect to this material, including, but not limited to, implied warranties of 
merchantability and fitness for a particular application. AERCO International is 
not liable for errors appearing in this manual, not for incidental or consequential 
damages occurring in connection with the furnishing, performance, or use of 
these materials. 

 

Summary of Contents for Aerco INN 600N

Page 1: ...nnovation Water Heaters With Edge i Controller Disclaimer The information contained in this manual is subject to change without notice from AERCO International Inc AERCO makes no warranty of any kind...

Page 2: ...ion Air from OUTSIDE the Building 10 1 1 1 Two Permanent Openings Method USA Only 10 1 1 2 One Permanent Opening Method 12 2 4 Combustion Air Pipe Sizing 14 2 5 Common Combustion Air Systems 15 3 VENT...

Page 3: ...ust be provided to remove the moisture accumulation Each model should be fitted with the supplied condensate removal trap The design guidelines in this bulletin provide broad latitude while meeting th...

Page 4: ...as for ducted combustion air installations CAUTION Provisions for combustion and ventilation air in accordance with Section 5 3 Air for Combustion and Ventilation of the National Fuel Gas Code ANSI Z2...

Page 5: ...s the responsibility of the design engineer and installing contractor to ensure all vent system designs and installations follow industry best practices including proper pitch support and drainage to...

Page 6: ...igure 1 shows the components and part numbers for connecting the exhaust vents for the Innovation Edge models Exhaust Vent Adapters INN 600N INN 600N INN 800N INN 1060N INN 1350N 4 102 mm PVC Kit 2428...

Page 7: ...xhaust vent ducting is relatively short in length The following criteria should be used to determine when to include a field installed muffler in an Innovation Edge installation The total linear lengt...

Page 8: ...salts plastic processing and refrigerants This will ensure the longevity of the equipment and maintain warranty validation WARNING If the equipment room is in the vicinity of any these types of chemi...

Page 9: ...ulate in the unit s combustion air intake and block combustion air flow Accumulate over the burner surface and restrict flow of air fuel mixture In these situations AERCO requires that a disposable ai...

Page 10: ...or screen is known it shall be used to calculate the opening size required to provide the free area specified For additional details consult NFPA 54 or in Canada CSA B149 1 10 paragraphs 8 4 1 and 8 4...

Page 11: ...0090_A GF 5056 2 20 2020 Technical Support 800 526 0288 Mon Fri 8 am 5 pm EST Page 11 of 39 Figure 3 All Combustion Air From Outdoors Inlet Air From Ventilated Crawl Space and Outlet Air to Ventilate...

Page 12: ...in the space see Figure 5 Figure 5 All Combustion Air from Outdoors Through Horizontal Ducts 1 1 2 ONE PERMANENT OPENING METHOD One permanent opening shall be provided commencing within 12 inches 305...

Page 13: ...of 39 Figure 6 All Combustion Air from Outdoors Through Single Combustion Air Opening The following table lists the minimum required air openings in square inches square centimeters freely communicati...

Page 14: ...used This equivalent length of piping is the combined sum of all equivalent lengths of piping and piping components used in construction including 1 All straight horizontal and vertical pipe sections...

Page 15: ...alent m 2 A 9 m length of combustion air pipe and 2 sharp 90 elbows plus two termination 90 elbows add up to 9 m 2 x 3 m 2 x 3 m 21 m For more detailed analysis see sections 3 6 and 3 7 and Example 2...

Page 16: ...PREFERRED Installations NOTE 1 For high wind wind blocked sites a tee may be installed at the fresh air inlet The leg of the tee connects to the combustion air intake The branches of the tee can be in...

Page 17: ...inlet The leg of the tee connects to the combustion air intake The branches of the tee can be in the horizontal or vertical direction as determined by the system designer and site conditions IMPORTANT...

Page 18: ...ain run must not be hard piped so the trap can be removed periodically for maintenance purposes If the condensate must be lifted above the trap assembly to a drain it should be drained into a sump Fro...

Page 19: ...ver at least 12 inches 305 mm long See Figure 1 page 7 for the list of available exhaust vent connectors 4 Vent connectors serving appliances vented by natural draft shall not be connected into any po...

Page 20: ...ter Innovation Shown WARNING DO NOT INSULATE OR OTHERWISE WRAP VENT PIPE OR FITTINGS Sections 3 2 and 3 3 below discuss specific installation regulations for side wall and vertical terminations respec...

Page 21: ...of at least 4 feet 1 2 m from any air openings into a building In Massachusetts when side wall venting is used the vent termination must be located a minimum of 4 feet above grade For detailed inform...

Page 22: ...0 6 m above the roof must be laterally supported Figure 9 Determining Location of Vent Outlet Vent terminations must be at least 3 feet 0 9 m above any forced air inlet located within 10 feet 3 1 m V...

Page 23: ...m b Vertical terminations shall extend at least 3 ft 0 9 m above the highest point where it passes through a roof of a building and at least 2 ft 0 6 m higher than any portion of the building within a...

Page 24: ...ivalent feet 42 7 m for 6 152 mm pipe all models For the INN 600N using 4 102 mm pipe the maximum combined pressure drop of exhaust and intake air vents is 80 24 4 m equivalent feet 3 5 Common Vent Pi...

Page 25: ...direction with one of the mains and then connect the second three diameters common section diameter from this turn via a 45 connection Figure 11b Required Interconnection of Groups of Units Figure 12...

Page 26: ...13 the unit at the end of the vent main must be connected via an elbow An end cap must not be used as it may cause vibration and flue pressure fluctuations As discussed previously the static regain m...

Page 27: ...sea level These factors must be applied to both the natural draft and pressure drops of vent and air ducts The pressure drop through vents and combustion air ducts will increase at higher elevations w...

Page 28: ...8 8 Duct Single Unit Straight Run 0 05 0 05 0 05 0 05 0 05 0 05 0 06 0 06 0 06 90 Elbow 0 21 0 22 0 23 0 24 0 26 0 28 0 30 0 32 0 34 64 67 70 73 79 85 91 98 104 45 Elbow 0 16 0 16 0 17 0 18 0 2 0 21 0...

Page 29: ...42 0 44 0 47 88 94 98 104 110 119 128 134 143 45 Elbow 0 23 0 24 0 25 0 26 0 28 0 3 0 32 0 34 0 37 70 73 76 79 85 91 98 104 113 Ent Loss 0 72 0 75 0 79 0 84 0 9 0 96 1 02 1 09 1 16 219 229 241 256 27...

Page 30: ...Innovation Water Heaters Edge i Controller Venting and Combustion Air Design Guide TAG 0090_A GF 5056 2 20 2020 Technical Support 800 526 0288 Mon Fri 8 am 5 pm EST Page 30 of 39...

Page 31: ...0 3 2 3 41 3 64 683 716 753 802 856 914 975 1039 1109 8 Duct Single Unit Straight Run 0 08 0 08 0 08 0 09 0 09 0 09 0 09 0 10 0 10 90 Elbow 0 37 0 39 0 4 0 43 0 46 0 49 0 52 0 56 0 6 113 119 122 131 1...

Page 32: ...210 223 238 253 45 Elbow 0 4 0 42 0 44 0 47 0 5 0 53 0 57 0 6 0 64 122 128 134 143 152 162 174 183 195 Ent Loss 1 26 1 32 1 39 1 48 1 58 1 69 1 8 1 92 2 05 384 402 424 451 482 515 549 585 625 12 Duct...

Page 33: ...5 99 6 4 1201 1259 1323 1411 1506 1606 1713 1826 1951 8 Duct Single Unit Straight Run 0 13 0 13 0 14 0 14 0 15 0 15 0 16 0 16 0 17 90 Elbow 0 65 0 68 0 71 0 76 0 81 0 86 0 92 0 98 1 05 198 207 216 23...

Page 34: ...45 Elbow 0 49 0 51 0 54 0 57 0 61 0 65 0 69 0 74 0 79 149 155 165 174 186 198 210 226 241 Ent Loss 1 25 1 31 1 37 1 46 1 56 1 67 1 78 1 9 2 02 381 399 418 445 475 509 543 579 616 12 Duct Four Units S...

Page 35: ...9 1 9 71 10 36 1945 2042 2143 2283 2435 2600 2774 2960 3158 8 Duct Single Unit Straight Run 0 21 0 21 0 22 0 22 0 23 0 24 0 24 0 25 0 26 90 Elbow 0 65 0 68 0 71 0 76 0 81 0 86 0 92 0 98 1 05 198 207...

Page 36: ...299 320 45 Elbow 0 49 0 51 0 54 0 57 0 61 0 65 0 69 0 74 0 79 149 155 165 174 186 198 210 226 241 Ent Loss 1 25 1 31 1 37 1 46 1 56 1 67 1 78 1 9 2 02 381 399 418 445 475 509 543 579 616 12 Duct Four...

Page 37: ...t sec m sec Straight Run in eq ft foot eq m m 90 elbow in eq ft eq m 45 elbow in eq ft eq m Exit Loss Horizontal Termination in eq ft eq m Vertical Termination in eq ft eq m 6 152 4 17 5 2 0 5 0 5 3 0...

Page 38: ...straight pipe 0 24 ft ft p 90 elbow 1 24 ft elbow p entrance loss 1 94 ft Intake p equivalent feet 15 ft x 0 24 ft ft 3 elbows x 1 24 ft elbow 1 94 ft 10 feet Vent using 6 pipe Exhaust From Table 9 fo...

Page 39: ...Fri 8 am 5 pm EST Page 39 of 39 Change Log Date Description Changed by 9 4 2019 Rev A Initial release 2 20 2020 Rev B Added Section 3 7 1 Altitude Correction Table Modified Figure 10 Acceptable Combus...

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