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I n s t a l l a t i o n & S e r v i c i n g
Instructions
High efficiency condensing gas boiler
E75CN/E110CN
E75CP/E110CP
CAUTION!
Read this manual thoroughly before installing, servicing, putting
into operation or using this boiler and vent system.
WARNING!
Improper installation, adjustment, alteration, service or
maintenance can cause property damage, personal injury or
loss of life. Refer to this manual. For assistance or additional
information consult a qualified installer or the gas sup
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Contents of instructions These installation instructions contain important information for the safe installation, start-up and maintanance of boilers with capacities 75,000 through 110,000 BTU/hr. These installation instructions are intended for professional installers, who have the necessary knowledge and are approved for working on heating and gas systems. Subject to technical changes Changes may be made without notice to the illustrations, process steps and technical data as a result of our
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Content 1 Safety and general instructions 4 1.1 Designated use 4 1.2 Hazard definitions 4 1.3 Symbol definitions 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 6 1.8 Disposal 6 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 Inst
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1 Safety and general instructions Please observe these instructions in the interest of your own safety. 1.1 Designated use The boiler is designed for heating water for a central heating system and generating domestic hot water. The boiler is delivered with a burner controller (MCBA) pre-installed. The boiler can be fitted with a modulating outdoor reset sensor ARV12 (included with the boiler) or an On/Off thermostat or relay panel end switch (accessories). 1.2 Hazard definitions The following
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1.4 The following instructions must be followed - The boiler must only be used for its designated purpose, as described in the Installation Instructions. - Each unit is fitted with a data plate. Consult the details on this plate to verify whether the boiler is compliant with its intended location, e.g.: gas type, power source and venting classification. - Only use the boiler with the accessories and spare parts listed. - Other combinations, accessories and consumables must only be used if the
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1.5 Follow these instructions for the space heating water Unsuitable heating system water can cause the formation of scale or sludge, which affects system efficiency. It can also cause corrosion and reduce life of the heat exchanger. – You must follow Rinnai guidelines for boiler water quality. – Thoroughly flush the system prior to filling. – Follow the Rinnai cleaning instructions. – Never use water that has been treated by salt bedding exchangers, reverse osmosis, D.I., or distilled w
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2 Regulations and guidelines The installation must comply to the requirements of the authority having jurisdiction or, in the absence of such requirements, to the latest edition of the National Fuel Gas Code, ANSI Z223.1/NFPA 54. In Canada, installation must be in accordance with the requirements of CAN/CSA B149.1, Natural Gas and Propane Installation Code. Where required by the authority having jurisdiction, the installation must comply to the Standard for Controls and Safety Devices for Au
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For direct-vent boilers mechanical-vent heating boilers or domestic hot water equipment where the bottom of the vent terminal and the intake is installed higher than four feet above grade the following requirements must comply: 1) If not present on each floor level where there are bedrooms, a carbon monoxide detector and alarm must be placed in a living area outside the bedrooms. The carbon monoxide detector and alarm must comply with NFPA 720 (2005 Edition). 2) A carbon monoxide detector
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4 Packaging and transportation 4.1 Scope of delivery The boiler is supplied ready for use. • Please check if the packaging is intact. • Check if all the items listed are included in the delivery. The supply kit is contents: • Boiler with casing; • Template; • Automatic air separator (inside the boiler); • Installation instructions; • Wall mounting suspension bracket; • User manual; • Bronze adapter fittings; • Service manual; • 3" PP exhaust adapters (x2); • Outdoor sensor ARV12 • Plumbing kit •
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5 Installation 5.1 Requirements for the installation room - The room where the boiler will be installed must always be frost free. DANGER ! - Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. - Never use or store any chlorinated detergents or halogenated hydrocarbons (e.g. in spraycans, solvents and detergents, paints, adhesives) in proximity of the boiler. - The boiler must be installed in such a way that it is protected from
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5.2 Fitting the boiler - Remove the packaging materials. - Lay the boiler on its back during unpacking. Remove the casing from the NOTICE i boiler. This part can be left apart during installation. It must be placed on the boiler and fixed with the screw behind the door and in the 4 quick releases before the boiler is started up. Turn the boiler to its side and remove the wall bracket from the back of the NOTICE i boiler by removing the 2 screws. The boiler can be mounted practically to any
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5.3 Dimensions ceiling D G C F E V 2" 0.4" A B 50 10 Q R S J T P H U N K L dimensions figure 1 Boiler type Combi E75CN E110CN E75CP E110CP inches / mm inches / mm A Height 25.6" / 650 25.6" / 650 B Height with expansion tank 34.3" / 870 C Width 19.7" / 500 19.7" / 500 D Depth 15.6" / 395 15.6" / 395 E Left side / vent 13.2" / 335 13.2" / 335 F Center to center / vent and air supply 4.7" / 120 4.7" / 120 G Back / vent 10.6" / 270 10.6" / 270 H Left side / gas pipe 9.8" / 250 9.8" / 250 J
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Connection for combustion air supply and vent system f w g k r c f w g k r c boiler connections / mounting points figure 2 Combi Boiler type E75CN E110CN E75CP E110CP Vent system / Combustion air supply 80/125mm 80/125mm Gas pipe - g 3/4"M-NPT 3/4"M-NPT 0.87" x 3/4"M-NPT / G3/4"x Supply pipe - f 22mm 3/4"M-NPT 0.87" x 3/4"M-NPT / G3/4"x Return pipe - r 22mm 3/4"M-NPT 0.87" / 22mm 0.87" / 22mm Condensate pipe - c 0.59" x 3/4"M-NPT / G1/2"x Cold water pipe - k 15mm 3/4"M-NPT 0.59"
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5.3.1 Plumbing Kits Rinnai supplies with each type of boiler a Plumbing kit. Find below the dimensions. See chapter 6.1 for additional information. (REF. 16.07) (REF. 5.12) 200mm Plumbing Kit 1 7.87 Suitable for: E75CN / E75CP E110CN / E110CP 1 1/4” 1 1/4” 9.00 plumbing kit 1 figure 3 14 Installation & Servicing Instructions Rinnai E-Series (REF. 17.76)
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5.3.2 Clearances from boiler ceiling Min. 10" / 250mm 2" 0.4" 15.7" 24" 50 10 400 600 service clearances to the boiler figure 4 Minimum required clearances Minimum required clearances Recommended to combustibles to non-combustibles service clearances All types All types All types inch / mm inch / mm inch / mm Top of boiler 2" / 50 2" / 50 10" / 250 Back of boiler 0" 0" 0 Front of boiler 6" / 150 6" / 150 24" / 600 Left side of boiler 2" / 50 2" / 50 2" / 50 Right side of boiler 2" / 50
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5.4 Technical specifications E-Series Natural gas Propane gas Boiler type E75CN E110CN E75CP E110CP Input Hs CH BTU/hr 75,000 110,000 75,000 110,000 kW 22 32 22 32 Propane orifice diameter inch / mm n.a. n.a. 0.16" / 4.15 0.20" / 5.2 Display indication at start-up 22.t 32.t 22.tP 32.tP Q Output non-condensing CH BTU/hr 67,500 98,000 67,500 98,000 n kW 19.8 28.8 19.8 28.8 Q Output EN677 efficiency CH BTU/hr 74,100 108,000 74,100 108,000 n kW 21.7 31.7 21.7 31.7 Q Output AFUE CH BTU/hr 72,400 105
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6 Connecting the boiler The boiler has the following connection pipes; - The central heating circuit pipes. These must connected to the plumbing kit by means of adapter fittings. See further chapter 6.1; - The gas supply pipe. It is provided with a 3/4" male thread into which the tail piece of the gas valve can be screwed. See further chapter 6.4; - Cold and hot water pipes for domestic hot water (DHW). These consist of 3/4" (15 mm) copper pipe and can be connected to the installation by m
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6.1.1 Plumbing Kit installation Rinnai supplies specific Plumbing Kits with each boiler type, which must be fitted directly underneath the boiler on the supply and return pipe. Use of the Rinnai boiler NOTICE i without the plumbing kit will result in the void of warranty. To protect the entire heating system we recommend installing a dirt particle trap in the return circuit. When the boiler is installed to an existing heating system this trap is required. Use of a Y strainer is not permitt
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The boiler has a self-adjusting and self-protecting control system for the load and the pump capacity. By this means the temperature difference between the supply and return water is checked and controlled. If the installation resistance is over the stated value; the load will be adjusted until an acceptable temperature difference between supply and return water has been obtained. If, after this, the temperature difference is still not acceptable then the boiler will switch off and wait un
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6.1.2 Safety valve An ASME 30 psi pressure relief valve is installed on the plumbing kit included NOTICE i with the boiler. 6.1.3 Low water cut off The Rinnai E boiler has a factory installed pressure switch type Low Water Cut Off (LWCO). Check your local codes to see if a Low Water Cut Off is required NOTICE i (LWCO) and if this device conforms to local code. See the Rinnai Boiler Applications Manual for further information. The Low water cut off is not serviceable. 6.2 Expansion tank T
