RUC80i (KBD2530FFUD) - Alpine Home Air Products
RUC80i (KBD2530FFUD) Type of Appliance
Condensing, Tankless, Temperature controlled, continuous flow, gas hot water system, Energy Star Qualified
Rinnai model number
REU-KBD2530FFUD-US
Operation / Installation
Forced combustion; indoor only; Certified for installation in Manufactured (Mobile) Homes
Minimum/Maximum Gas Rate (Input)
15,200 - 152,000 BTU/h (4.5-44.4kWh)
Electrical
Appliance: Temperature Controller:
AC 120 Volts - 60 Hz DC 12 Volts
Electrical Consumption
Normal: 75 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: 8.0 GPM (30.3 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: 0.96
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
Isolation Valves are certified to NSF/ANSI 61 for potable water
Water Flow Control
Water flow sensor, electronic water control and by-pass control
Minimum/Maximum Water Supply Pressure
20 - 150 PSI (138-1035 KPa) ( recommended 60 - 80 PSI (414 - 552 KPa) for optimal performance)
Standby: 2 w
Max without pump: 4A
Fuse: 10A
Propane: 0.96
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
10.0 (37.9) 10.0 (34.1) 9.0 9.0
Water Flow gpm (l/min)
(30.3) 8.0 8.0 (26.5) 7.0 7.0 (22.7) 6.0 6.0 (19.0) 5.0 5.0
KA25
(15.1) 4.0 4.0 (11.4) 3.0 3.0 (7.6) 2.0 2.0 (3.8) 1.0 1.0
0.0 0.0
0
25 (13.9) (13.9) 25
50 (27.8) (27.8) 50
75 (41.6) 100 (55.6) 125 (69.4) 150 (83.3) (41.6) (55.6) 125 (69.4) 150 (83.3) 75 100
delta T - Temperature Rise ºF (ºC) © 2015 Rinnai Corporation
RUC80i-SP(01)
7/2015 C
US
Low Lead Content NSF/ANSI 372
SANITATION
RUC80i (KBD2530FFUD) External Recirculation Pump Control
Built in Rinnai Circ-Logic™ : Recirculation program cycles external pump
Controller
MC-91-2US (included) Deluxe and Bathroom controllers (Optional): MC-100V-1US, BC-100V-1US MCC-91-2US (optional; for hydronic and commercial applications) MC195T-US (optional; for use with Re-Circ Logic)
Controller Cable
Non-polarized two-core cable, minimum 22 AWG
Safety Devices
Clearances from Combustibles
Top of heater - 6 inches (152mm) Front of heater - 6 inches *(152mm) Sides of heater - 2 inches (51mm)
Back of heater - 0 inches Bottom of heater - 12 inches (305mm) From vent pipe - 0 inches
Top of heater - 2 inches (51mm) Front of heater - 6 inches *(152mm) Sides of heater - 1/2 inches (13mm)
Back of heater - 0 inches Bottom of heater - 12 inches (305mm) From vent pipe - 0 inches
* 24 inches (610mm) required for service Clearances from Non-combustibles * 24 inches (610mm) 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 1.8” W.C. (4.5mbar) low fire 0.42” W.C. (1.05mbar) Propane Gas: high fire 2.1” W.C. (5.2mbar) 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
Venting
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 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.
DIMENSIONS
WEIGHT: 61.7 lb (28 kg) 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
Condensing, Tankless, Temperature controlled, continuous flow, gas hot water system, Energy Star Qualified
Rinnai model number
REU-KBD2530FFUD-US
Operation / Installation
Forced combustion; indoor only; Certified for installation in Manufactured (Mobile) Homes
Minimum/Maximum Gas Rate (Input)
15,200 - 152,000 BTU/h (4.5-44.4kWh)
Electrical
Appliance: Temperature Controller:
AC 120 Volts - 60 Hz DC 12 Volts
Electrical Consumption
Normal: 75 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: 8.0 GPM (30.3 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: 0.96
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
Isolation Valves are certified to NSF/ANSI 61 for potable water
Water Flow Control
Water flow sensor, electronic water control and by-pass control
Minimum/Maximum Water Supply Pressure
20 - 150 PSI (138-1035 KPa) ( recommended 60 - 80 PSI (414 - 552 KPa) for optimal performance)
Standby: 2 w
Max without pump: 4A
Fuse: 10A
Propane: 0.96
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
10.0 (37.9) 10.0 (34.1) 9.0 9.0
Water Flow gpm (l/min)
(30.3) 8.0 8.0 (26.5) 7.0 7.0 (22.7) 6.0 6.0 (19.0) 5.0 5.0
KA25
(15.1) 4.0 4.0 (11.4) 3.0 3.0 (7.6) 2.0 2.0 (3.8) 1.0 1.0
0.0 0.0
0
25 (13.9) (13.9) 25
50 (27.8) (27.8) 50
75 (41.6) 100 (55.6) 125 (69.4) 150 (83.3) (41.6) (55.6) 125 (69.4) 150 (83.3) 75 100
delta T - Temperature Rise ºF (ºC) © 2015 Rinnai Corporation
RUC80i-SP(01)
7/2015 C
US
Low Lead Content NSF/ANSI 372
SANITATION
RUC80i (KBD2530FFUD) External Recirculation Pump Control
Built in Rinnai Circ-Logic™ : Recirculation program cycles external pump
Controller
MC-91-2US (included) Deluxe and Bathroom controllers (Optional): MC-100V-1US, BC-100V-1US MCC-91-2US (optional; for hydronic and commercial applications) MC195T-US (optional; for use with Re-Circ Logic)
Controller Cable
Non-polarized two-core cable, minimum 22 AWG
Safety Devices
Clearances from Combustibles
Top of heater - 6 inches (152mm) Front of heater - 6 inches *(152mm) Sides of heater - 2 inches (51mm)
Back of heater - 0 inches Bottom of heater - 12 inches (305mm) From vent pipe - 0 inches
Top of heater - 2 inches (51mm) Front of heater - 6 inches *(152mm) Sides of heater - 1/2 inches (13mm)
Back of heater - 0 inches Bottom of heater - 12 inches (305mm) From vent pipe - 0 inches
* 24 inches (610mm) required for service Clearances from Non-combustibles * 24 inches (610mm) 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 1.8” W.C. (4.5mbar) low fire 0.42” W.C. (1.05mbar) Propane Gas: high fire 2.1” W.C. (5.2mbar) 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
Venting
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 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.
DIMENSIONS
WEIGHT: 61.7 lb (28 kg) 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
