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MODEL 2400E NG and 2400E LP - INDOOR MODEL
Temperature Modulated with Electronic Ignition
Suitable for heating potable water only
Not approved for space heating purposes
(Intended for variable flow applications)
2400 E NG - Natural Gas
2400 E LP - Liquefied Petroleum (LP) Gas
Warning: If the information in this manual is not What to do if you smell gas
followed exactly, a fire or explosion may result
• Close gas valve. Open windows.
causing property damage, personal injury or death.
• Do not try
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Index Index 1 Warning 1Warning 2 Warning: If the information in this 2 Appliance details 4 manual is not followed exactly, a fire or 2.1Features 4 explosion may result causing property 2.2 2400 E Specifications (Technical data) 4 damage, personal injury or death. 2.3 Dimensions and Minimum installation clearances 6 2.4 General rules to follow for safe operation 7 2.5 Proper location for installing your heater 7 Warning: Improper installation, 2.6Clearances 8 2.7 Mounting installation 8 adjustmen
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Appliance details 2 Appliance details 2.1 Features 2.2 2400 E Specifications (Technical data) Parts Approved in US/Canada • Touch Pad interface control • High power pre-mix compact burner with low Nox Capacity emissions Maximum flow rate: 6.35 GPM (24 l/min) at a 45°F • Modulating Gas Valve with constant gas:air ratio (25°C) rise. control Maximum output • Modulating water valve for improved comfort and 142,968 Btu/h (41.8 kW) temperature control. Safety Maximum input 175,000 Btu/h (51.2 kW) •
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Appliance details Combustion Do not lose this manual. Please complete and return the enclosed product registration card. •NOx ≤ 55 ppm Before installing the unit, be certain you have the •CO ≤ 250 ppm correct heater for your type of Gas - Propane or •CO level set from factory, see chapter 9. 2 Natural Gas. Identification labels are found on the shipping box, and on the rating plate which is located on Dimensions the right side panel of the cover. • Depth (in): 8 ½” (220 mm) To remove front cover
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Appliance details 2.3 Dimensions and Minimum installation clearances Fig. 4 Dimensions 1 Cover 2 On/Off switch 3 Reset button 4 LCD display 5 Program button 6 Temperature buttons Fig. 5 Minimum clearances Model 2400 E TOP (A) 12” FRONT (B) 1” BACK 0” SIDES 1” FLOOR (C) 12” VENT DIAMETER 3” Table 1 Minimum clearances 6 6 720 608 263
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Appliance details 2.4 General rules to follow for safe 2.5 Proper location for installing your operation heater B 1. You should follow these instructions when you Carefully select the location of the water heater. For install your heater. In the United States: The your safety and for proper heater operation, you must installation must conform with local codes or, in the provide combustion air to the heater and a proper absence of local codes, the National Fuel Gas Code exhaust vent system. ANSI
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Appliance details 2.6 Clearances The 2400 E is design certified for installation on a combustible wall (see2.7 Mounting installation) provided the floor covering below the heater is noncombustible. For installations in an alcove or closet, maintain the minimum clearances to combustible and non-combustible materials listed below. See also Fig. 5. A. Top 12 inches (306 mm) B. Front 1 inches (25 mm) C. Back 0 inches D. Sides 1 inches (25 mm) E. Bottom 12 inches (306 mm) Clearances from any exhaust
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Appliance details construction, infiltration air is normally adequate to 2.9 Venting provide air for combustion. Warning: Do not reduce the vent • Appliances located in confined spaces: (exhaust and combustion) pipe sizes The confined space must be provided with two and do not common vent with any other permanent openings, one commencing within 12 vented appliance or stove. inches (304.8mm) of the top and one commencing within 12 inches (304.8mm) of the bottom of the NOTE: This appliance's exha
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Appliance details The maximum flue gas exhaust temperature on the 2400 E is 437°F (225°C) Venting Exhaust * Exhaust * Exhaust Combustion Combustion Vent pipe Vent pipe Options vent vent vent air pipe air pipe clearances clearances diameter maximum minimum diameter maximum within an within an and length length and material length unenclosed enclosed material space space + Room 3 or 4 26 feet (8 3 feet 3 inch PVC, 26 feet (8 ** See vent ** See vent sealed inch m) with one alum
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Appliance details 2.9.1 Venting options Open combustion installation (SINGLE PIPE SYSTEM) Installing this water heater as a room sealed (TWIN PIPE SYSTEM) is the recommended method. Contact Not recommended in cold climate areas, see BBTNA or dealer for available vent termination kits and Chapter 2.8. vent materials for this water heater. Exhaust venting shall be done with 3" or 4" stainless steel (AL29-4C) vent pipe. i Room sealed installation (TWIN PIPE SYSTEM) Fig. 14 Exhaust vent pipe: ≤ 26 f
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Appliance details Recommended exhaust vent terminator position Fig. 16 Ref. Description Minimum distance Directly below an opening; operable windows, doors and any non- A 36 in mechanical fresh air openings Below a gutter, sanitary pipework or eaves 24 in B Below a gutter, sanitary pipework or eaves, protected by metal 12 in shielding C From any internal corner 12 in Above ground 12 in D* Above a paved sidewalk 7 ft From an opposing wall or structure facing the termination 24 in E From any othe
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Appliance details FOR NATURAL GAS Maximum Capacity of pipe in Cubic Feet of Gas per Hour for Gas Pressure of 0.5 Psig or less and a Pressure drop of 0.3 in Water Column (0.75mbar).(Based on a 0.60 Specific Gravity Gas) Btu numbers given in thousands. Follow boxed numbers for piping just one 2400 E (example: ¾” B.I. Natural Gas pipe for 20 ft (6.1m). will handle 190,000 btu’s (55.7 kWh). For multiple appliances combine the total btu input load and then refer to applicable chart below. Nominal Iro
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Appliance details 2.14 Electrical connections 2.16 For your safety read before operating your water heater Warning: For safety reasons, disconnect the power supply to the Warning: If you do not follow these heater before any service or testing is instructions exactly, a fire or explosion performed. may result causing property damage, personal injury or loss of life. Warning: This heater must be A. This appliance is equipped with electronic ignition for electrically grounded in accordance lightin
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Appliance details NOTE: on a first time initial instal- lation or after gas line work has i been done, existence of air in the gas line will cause ignition delay when the hot water is turned on. This will result in an error (EA) on the units display screen. This is normal. When this occurs, leave the hot water running and wait 3-5 seconds, then reset the unit (Fig. 26, pos. 2). Wait for (EA) to disap- pear. The heater will begin to at- tempt ignition again, if the (EA) reappears the
