Rinnai Ruc98I Reu Kbd3237Ffud Specification Sheet
2015-05-15
: Rinnai Rinnai-Ruc98I-Reu-Kbd3237Ffud-Specification-Sheet-719860 rinnai-ruc98i-reu-kbd3237ffud-specification-sheet-719860 rinnai pdf
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RUC98i (KBD3237FFUD) Type of Appliance Condensing, Tankless, Temperature controlled, continuous flow, gas hot water system, Energy Star Qualified Rinnai model number REU-KBD3237FFUD-US Operation / Installation Forced combustion; indoor only; Certified for installation in Manufactured (Mobile) Homes Minimum/Maximum Gas Rate (Input) 15,200 - 199,000 BTU/h (4.5-58.3 kWh) Electrical Appliance: Temperature Controller: Electrical Consumption Normal: 64 w Standby: 2 w Anti-frost protection: 146 w Amperage Max with pump: 8A Ignition System Direct electronic ignition Hot Water Capacity Minimum flow rate: 0.26 GPM (1 l/min) Minimum activation flow rate: 0.4 GPM 1.5 l/min) Maximum flow rate: 9.8 GPM (37.1 l/min) Temperature 98° - 120° F (37°- 49°C) (factory default) Maximum temperature is selectable at 120° F (49°C) or at 140° F (60°C); 98° - 185° F (37°- 49°C) available with the MCC-91-2 controller for commercial and hydronic applications Temperature (without remote) 120° F (49°C) (factory default) or 140° F (60°C) Approved Gas Types Natural or Propane (ensure unit matches gas type) Energy Factor (EF) Natural Gas: 0.95 Service Connections Gas supply: 3/4 inch (19mm) MNPT Cold water inlet: 3/4 inch (19mm) MNPT Hot water outlet: 3/4 inch (19mm) MNPT Isolation & Pressure Relief Valves Included Heavy duty forged brass Webstone Isolator valves EXP E2, certified to NSF/ANSI 61-8 for potable water Water Flow Control Water flow sensor, electronic water control and by-pass control Minimum/Maximum Water Supply Pressure 15 - 150 PSI (104-1035 KPa) (50 PSI (345 KPa) or above is recommended for maximum flow) AC 120 Volts - 60 Hz DC 12 Volts Max without pump: 4A Fuse: 10A Propane: 0.95 Rinnai is continually updating and improving products; therefore, specifications are subject to change without prior notice. Local, state, provincial and federal codes must be adhered to prior to installation. FLOW TABLE (37.9) 10.0 10.0 Water Flow gpm (l/min) (34.1) 9.09.0 (30.3) 8.08.0 (26.5) 7.07.0 (22.7) 6.06.0 (19.0) 5.05.0 kA3237 (15.1) 4.04.0 (11.4) 3.03.0 (7.6) 2.02.0 (3.8) 1.01.0 0.0 0.0 0 25 (13.9) 25 50 (27.8) 50 75 (41.6) 75 100 (55.6) 100 delta T - Temperature Rise ºF (ºC) © 2014 Rinnai America Corporation RUC98i-SP 6/2014 125 (69.4) 125 150 (83.3) 150 RUC98i (KBD3237FFUD) External Recirculation Pump Control Built in Rinnai Circ-Logic™ : Recirculation program cycles external pump Controller MC-91-2US (included) Deluxe controller: MC-100V-1US (optional) Bathroom controller: BC-100V-1US (optional) MCC-91-2US (optional; for hydronic and commercial applications) Controller Cable Non-polarized two-core cable, minimum 22 AWG Safety Devices Clearances from Combustibles Top of heater - 6 inches (152.4mm) Front of heater - 6 inches *(152.4mm) Sides of heater - 2 inches (50.8mm) Back of heater - 0 inches Bottom of heater - 12 inches (304.8mm) From vent pipe - 0 inches Top of heater - 2 inches (50.8mm) Front of heater - 6 inches *(152.4mm) Sides of heater - 1/2 inches (12.7mm) Back of heater - 0 inches Bottom of heater - 12 inches (304.8mm) From vent pipe - 0 inches * 24 inches (609.6mm) required for service Clearances from Non-combustibles * 24 inches (609.6mm) required for service Remaining flame (OHS) Thermal fuse Automatic frost protection Flame failure - Flame Rod Boiling protection Combustion fan rpm check Over current - glass fuse Min. / Max. Gas Supply Pressure Natural Gas: min 4” W.C. (2.5mbar) max 10.5” W.C. (26.1mbar) Propane Gas: min 8” W.C. (20mbar) max 13.5” W.C. (33.6mbar) Manifold Gas Pressure (inches W.C.) Natural Gas: high fire 3.0” W.C. (7.5mbar) low fire 0.42” W.C. (1.1mbar) Propane Gas: high fire 3.5” W.C. (8.7mbar) low fire 0.47” W.C. (1.2mbar) NOx Complies with South Coast Air Quality Management District 14 ng/J or 20 ppm NOx emission levels g Direct Vent system designed for use with Ubbink Polypropylene Concentric Vent, Twin Pipe PVC/CPVC (3” and 4” configurations), or Centrotherm 3” Polypropylene (with Centrotherm Twin Pipe Adapter) See installation and Venting operation manual for details regarding installation and allowed vent lengths. Heat exchanger: 12 years* for residential, 10 years for residential and space heating, and 5 years* for commercial; All other parts: 5 years*; Labor: 1 year; (* 3 years if used as a circulating water heater within a circulation loop, when the water heater is in series with a circulation system and all circulating water flows through the water heater, and where an aquastat / thermostat, timer, or an on-demand recirculation system is not incorporated.) Refer to the manual for complete warranty information. WEIGHT: 61.7 lb (28 kg) DIMENSIONS ø 5.5 (140.2) 5.9 (150) 1.2 (31.2) 2.02 (51.3) Limited Warranty 10.1 (257.7) C J B 20.6 (523.3) 25.7 (654) 28.5 (723.3) 2.8 (70.1) 8.7 (222) A I H G E 2.9 (74.6) 31.2 (791.3) D F K DIM Inches (mm) DIM Inches (mm) A (GAS) 1.6 (40.2) E 2.2 (56.3) A (COLD) 2.0 (50.2) F 2.3 (58.3) A (HOT) 1.6 (41.2) G 5.0 (127.2) A (CONDENSATE OUTLET) 0.9 (22.4) H 2.0 (50) B I 3.0 (76) 5.0 (127.2) J 7.1 (179) C 1.9 (47.8) K 18.3 (466) D 0.52 (13.3) Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-364-8643 • www.rinnai.us
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