Table of Contents
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INTERNAL (INDOOR) MODELS:
INDOOR MODELS:
VE199i (REU-VE2737FFD-US)
REP199i (REU-VEP2730FFD-US)
VE180i (REU-VE2432FFD-US)
REP160i (REU-VEP2125FFD-US)
VE160i (REU-VE2125FFD-US)
VE140i (REU-VE1720FFD-US)
Tankless Water Heater (With Pump)
Installation and Operation Manual
10000072600001
C
US
ANSI Z21. 1 0.3 • CSA 4.3
EXTERNAL (OUTDOOR) MODELS:
OUTDOOR MODELS:
VE199e (REU-VE2737WD-US)
REP199e (REU-VEP2730WD-US)
VE180e (REU-VE2432WD-US)
REP160e (REU-VEP2125WD-US)
VE160e (REU-VE2125WD-US)
VE140e (REU-VE1720WD-US)
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Table of Contents
Related Manuals for Rinnai REP199i
Summary of Contents for Rinnai REP199i
- Page 1 INTERNAL (INDOOR) MODELS: EXTERNAL (OUTDOOR) MODELS: INDOOR MODELS: OUTDOOR MODELS: VE199i (REU-VE2737FFD-US) VE199e (REU-VE2737WD-US) REP199i (REU-VEP2730FFD-US) REP199e (REU-VEP2730WD-US) VE180i (REU-VE2432FFD-US) VE180e (REU-VE2432WD-US) REP160i (REU-VEP2125FFD-US) REP160e (REU-VEP2125WD-US) VE160i (REU-VE2125FFD-US) VE160e (REU-VE2125WD-US) VE140i (REU-VE1720FFD-US) VE140e (REU-VE1720WD-US) ANSI Z21. 1 0.3 • CSA 4.3...
- Page 2 Full-length Spanish version available online at rinnai.us Copyright 2021 Rinnai America Corporation. Rinnai® is a registered trademark of Rinnai Corporation used under license by Rinnai America Corporation. Rinnai America Corporation continually updates materials, and as such, content is subject to change without notice.
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Page 3: Table Of Contents
4.10 Configure Parameter Settings ..................... 38 4.11 Post-Water Heater Installation Checklist ................40 Operation ............................42 Safety Precautions ........................42 Operating Instructions ......................43 Control Panel ........................44 Setting the Temperature .......................45 Performance Data .........................46 Rinnai Tankless Water Heater Installation and Operation Manual... - Page 4 Massachusetts State Gas Regulations ................. 63 Wiring Diagram ........................64 Ladder Diagram ........................65 Pressure Drop and Water Flow Curves ................66 Guidelines for Additional Temperature Controllers ............... 68 Warranty ............................69 Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 5: Welcome
Pressure Relief Valve consumer. Pounds per square inch Inches of water column National Pipe Thread MNPT Male National Pipe Thread Taper V AC Volts, alternating current Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 6: Safety
– Turn off the gas at the manual gas personal injury or death. control valve, usually located Rinnai Tankless Water Heater Installation and Operation Manual... - Page 7 Flammable liquids should not be used or stored in the vicinity of this or any other gas appliance. Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 8: About The Water Heater
Outdoor Vent Connections Exhaust Duct Controller Piping Connections Figure 1: Front view Hot Water Hot Water Cold Water Gas Inlet Gas Inlet Cold Water Outlet Outlet Inlet Inlet Figure 2: Bottom view Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 9: Main Components
Condensate Drain (indoor models only) Heat Exchanger Ignition Unit Gas Manifold Fan Motor Assembly Gas Control PC Board Pump PC Board Controller (removed for Pump clarity) Water Flow Servo Figure 3: Main Components Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 10: Specifications
0.4 GPM (1.5 L/min). The maximum gas supply pressure must not exceed the value specified by the manufacturer. Rinnai products are continually being updated and improved; therefore, specifications are subject to change without prior notice. Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 11: Dimensions
2.64 (67) 14.05 (357) Figure 4: Indoor Dimensions Outdoor Models (REP199e and REP160e) Front View Side View 1.69 (43) 10.67 (271) 11.13 (283) .59 (15) 10.77 (274) 14.05 (357) Figure 5: Outdoor Dimensions Rinnai Tankless Water Heater Installation and Operation Manual... - Page 12 5.94 (151) 4.76 (121) 3/4 MNPT Cold Inlet 2.69 (68) 4.05 (103) 2.87 (73) 3/4 MNPT Hot Outlet 6.66 (169) 8.04 (204) 6.85 (173) 3/4 MNPT Bracket 0.40 (10) 1.77 (45) 0.59 (15) Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 13: Accessories
3.5 Accessories Numerous optional accessories are available for purchase for your Rinnai Tankless Water Heater. Listed below are some commonly purchased accessories. For a complete list of accessories, visit www.rinnai.us. For questions, or to purchase an accessory, contact your local Rinnai dealer/distributor or Rinnai Customer Care at 1-800-621-9419. - Page 14 Mounted near the point of use, like a kitchen faucet or bathroom sink, the wireless motion Motion Sensor sensor works with the control•r™ Module to Part #: RWMMS02 operate the tankless water heater recirculation system with the detection of motion. Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 15: Install The Water Heater
(mobile) homes. • The installation must conform with local codes or, in the absence of local codes, with the National Fuel Gas Code, ANSI Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 16: What You Will Need
Rinnai • 2 conductor 22 AWG wire for controller Customer Care at 1-800-621-9419. • Rinnai Tankless Water Heater • Wall Mounting Bracket • Isolation Valves • Installation and Operation Manual Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 17: Choose An Installation Location
Up to 1.0 mg/L Dissolved Carbon Up to 15.0 mg/L This section provides information on the Dioxide (CO2) importance of water quality to the Rinnai Tankless Iron * Up to 0.3 mg/L Water Heater. The information is intended to serve Manganese * Up to 0.05 mg/L... - Page 18 • Where possible, install internal (indoor) quirement applies to internal (indoor) and water heaters in a sealed closet so that it external (outdoor) water heaters. is protected from the potential of contaminated indoor air. Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 19 Supply Line Supply Line 1/2 in. Normally Valve 1/2 in. Normally Open Solenoid Valve Open Solenoid Valve Route Drain Per Local Code Route Drain Per Local Code Figure 8: Freeze Protection Piping Diagram Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 20 3 ft. (91.4 cm) from its top. The area under the overhang must be open on three sides. CAUTION If clearances are not met, damage to the property and water heater may occur. Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 21 Manufactured Home Construction and Safety Standard, Title 24 CFR, Part 3280 and/or CAN/ SCA Z240 MH Series, Mobile Homes. □ Leave the entire manual taped to the water heater or give the entire manual directly to the consumer. Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 22: Mount The Water Heater To The Wall
0.39-1.8 retracted extended (10-45) IMPORTANT The water heater must be installed in an upright position. DO NOT install the water heater upside down or on its side. Figure 13: Top View Bracket Rinnai Tankless Water Heater Installation and Operation Manual... - Page 23 Refer to the water heater weight in section “3.3 Specifications.” IMPORTANT The water heater must be installed in an upright position. DO NOT install the water heater upside down or on its side. Figure 14: Outdoor Models Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 24: Vent The Water Heater
The design of such enclosure shall be deemed acceptable by the trained and qualified professional or the local inspector. • Any issues resulting from improper vent installation will not be covered by warranty. Rinnai Tankless Water Heater Installation and Operation Manual... - Page 25 12 in. Figure 18 (0.30 m ) to 12 in. an inside 12 in. (0.30 m) between corner terminations at same level (0.30 m) between terminations at same level Figure 19 Figure 16 Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 26 Roof Discharge Termination 18 in. (Metal) Horizontal Termination Adapter SC03HT Vertical Termination Adapter SC03VT 3CGRLSV Vertical Adapter 3CGRLSH Horizontal Adapter 3CGRVT Vertical Termination 3CGRHT 3 in. x 5 in. Vertical Termination Cap Kit-Concentric Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 27 [2] Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor. If locally adopted installation codes specify clearances different than those illustrated, then the most stringent clearance shall prevail. Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 28 Figure 21 Slope the venting 1/4 in. per foot toward the appliance according to the vent manufacturers installation instructions. Dispose of condensate per local codes. Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 29 • DO NOT allow condensate to enter the • The condensate drain pipe should be as water heater. short as possible and have a downward • DO NOT connect the condensate drain pitch. pipe directly to the rain sewer. Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 30 If locally adopted installation codes specify clearances different than those illustrated, then the most stringent clearance shall prevail. 36 inches minimum from the top of the water heater to the overhang. The area under the overhang must be open on 3 sides Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 31 For indoor models verify that the parameters have been adjusted for vent length if necessary. Refer to the section on Maximum Vent Length. □ Confirm high altitude settings are correct for installation location requirements. See Parameter Settings Table for more information. Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 32: Connect Water Supply
Boiler Drain Valve accordance with all local building codes. Confer with local building officials before installation. Solenoid Valve Cold Water Supply Line Hot Water Supply Line Figure 28 Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 33: Install Pressure Relief Valve
• If a pressure relief valve discharges periodically, this may be due to thermal expansion in a closed water supply sys- tem. Contact the water supplier or local plumbing inspector on how to correct Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 34: Connect The Gas Supply
Gas connection 3/4 in. leak detector solution, or an equivalent MNPT connection nonflammable solution, as applicable. (Since some leak test solutions, including soap and Rinnai Tankless Water Heater Installation and Operation Manual... - Page 35 60 (18) 70 (21) (CFH) = 80 (24) For this example, the pipe diameter must be at least 3/4 in. pipe size and 10 90 (27) ft (3 m) in length. 100 (30) Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 36 60 (18) Total Gas 264,000 Btu/hr 80 (24) Input 100 (30) For this example, the pipe diameter must be at least 1/2 in. nominal pipe size and 10 ft (3 m) in length. Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 37: Connect The Power Supply
Confirm that the electricity is supplied from 120 V AC, 60 Hz power source and is in a properly grounded circuit. □ Confirm an extension cord or an adapter plug has not been used with the water heater. Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 38: Configure Parameter Settings
Example: Display will change from 01A to 01b for Maximum Temperature setting (as shown below). 6. To exit the parameters, press the “A” button for 1 second. Figure 32 Figure 33 Rinnai Tankless Water Heater Installation and Operation Manual... - Page 39 • Service Soon will appear again based on the selected service interval. NOTE: Service Soon (55) will display on the controller again when the water heater reaches the interval selected in the parameter settings. Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 40: Post-Water Heater Installation Checklist
YES to each question. If you answer NO to any question, installation is not complete. Refer to the applicable section in the Rinnai Tankless Water Heater Installation and Operation Manual for additional information. For assistance, contact your local dealer or distributor, or call Rinnai Customer Care at 1-800-621-9419. INSTALLATION LOCATION YES NO □... - Page 41 □ Have you performed a leak and pressure test on the crossover valve installation? □ □ (Crossover Mode Only) Was the crossover valve installed at the furthest fixture from the water heater? Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 42: Operation
• Installation and service must be entering a shower or bath. performed by a trained and qualified professional, service agency or the gas • DO NOT adjust the parameters unless supplier. specifically instructed to do so. Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 43: Operating Instructions
3. Turn the manual gas control valve located at gas inlet of appliance clockwise to the OFF 2. Turn off all electric power to the appliance if position. service is to be performed. Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 44: Control Panel
Turns the water heater on or off The display flashes between and the set temperature to indicate the controller is locked. To unlock the controller, follow the above steps. Figure 37 Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 45: Setting The Temperature
3. Press the (Up) or (Down) buttons to Feel water before bathing or showering. obtain the desired temperature setting. Figure 38 Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 46: Performance Data
3. Use the (Up) and (Down) buttons to scroll to the desired information described in Table 22: Performance Data Table. Figure 40 4. To exit performance data, repeat step 2 above. 5. When complete, the set temperature appears in the display. Figure 41 Rinnai Tankless Water Heater Installation and Operation Manual... - Page 47 Freeze Protection Temperature °F (Outdoor Units Only) Pump Hours x100 Hours Pump Cycles * Refer to the Technical Data Sheet located on the inside front cover of the water heater for additional information. Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 48: Diagnostic Codes
Check flame rod for carbon build-up. • Remove burner cover and ensure burners are properly seated. • Remove burner plate; inspect burner surface for condensation/debris. • Check the ground wire for the PC board. Rinnai Tankless Water Heater Installation and Operation Manual... - Page 49 Clean sensor of scale build-up. • Replace sensor if necessary. Heat Exchanger Thermistor • Check sensor wiring for damage. • Measure resistance of sensor. (See Electrical Diagnostics) • Replace sensor if necessary. Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 50 • Ensure the harness and connector are not wet. • If the voltage from the PC Board is abnormal, replace the PC Board; otherwise, replace the water flow servo valve. Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 51 Hard water must be treated to prevent scale build-up or damage to the heat exchanger. • To reset the SS code, push the On/Off button on the temperature controller 5 times in 5 seconds. Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 52: Configuring Recirculation
On Demand push buttons and motion sensors require installation of a controller (see section "3.5 Accessories" for part numbers). Visit rinnai.us/wifi for more information. Note: Recirculation parameter setting 04 must be set to your circulation mode. See “Parameter Settings”... - Page 53 • DO NOT install the MC-195T-US Timer/ return lines to decrease the amount of Controller and control•r™ Wi-Fi Module heat loss. together as they are not compatible accessories. Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 54 "3.5 Accessories" for more information and part numbers. Install thermal bypass valve at the furthest fixture from the tankless water heater Gas Supply Line Hot Water Supply Line Cold Water Supply Line Hot Water Fixtures Figure 84 Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 55 (but also uses more energy). Table 36 Typical Intervals (minutes) Important: In crossover mode, the internal pump in an Pump Status REP model runs based on time intervals only and not Economy water temperature. Comfort Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 56 Gas Supply Line Hot Water Supply Line Cold Water Supply Line Hot Water Fixtures Locate Drain Valve as close as possible to the Cold Water Dedicated Recirculation Line Supply Tee Figure 88 Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 57 Important: In dedicated mode, the Rinnai Set Temperature (°F) internal pump in an REP model activates on time interval selected and Typical Pump OFF Intervals (Minutes) deactivates based on return water Economy temperature. Comfort Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 58: Maintenance
However you must keep fan and motor free of dust and dirt by cleaning Keep the appliance area clear and free from annually. combustible materials, gasoline, and other flammable vapors and liquids. Rinnai Tankless Water Heater Installation and Operation Manual... - Page 59 Unscrew the water filter. Rinse the filter to remove any debris. Install the filter and open the isolation valves. Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 60 Shut off the gas to the water heater. It is generally preferable to shut off the gas service to the entire location if gas is not going to be used. Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 61: Flushing The Heat Exchanger
13. Rinse the vinegar from the water heater as line follows: Circulating A. Remove the free end of the drain hose (H3) Pump from the pail. Place in sink or outside to Figure 45 drain. Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 62: Draining The Water Heater
5. Open a tap and confirm that water flows, and then close. Hot Isolation 6. After confirming that the temperature controller Valve is off, turn on the gas supply. 7. Turn on the temperature controller. Figure 46: Piping Diagram Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 63: Appendices
248 CMR 5.08(2)(a)1 through 4. shall observe that a battery operated or hard wired carbon monoxide detector with an Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 64: Wiring Diagram
7.2 Wiring Diagram Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 65: Ladder Diagram
7.3 Ladder Diagram Figure 48 Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 66: Pressure Drop And Water Flow Curves
Water Flow (GPM) Water Flow (GPM) Figure 49: Pressure Drop Curve 10.0 REP199 REP160 Delta T - Temperature Rise (°F) Delta T - Temperature Rise (°F) VEP199 VEP160 Figure 50: Water Flow Curve Rinnai Tankless Water Heater Installation and Operation Manual... - Page 67 7.4. 1 Pump Flow Curve (REP199i/e) HIGH MEDIUM Figure 51: Pump Flow Curve (199i/e) 7.4.2 Pump Flow Curve (REP160i/e) HIGH MEDIUM Figure 52: Pump Flow Curve (160i/e) Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 68: Guidelines For Additional Temperature Controllers
• DO NOT install in locations where the mating terminal at bottom temperature controller can be adjusted by right side of PC Board. the public. Wiring illustration (Detailed wiring instructions included with temperature Figure 54 controller package) Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 69: Warranty
For commercial applications, the heat exchanger warranty is 8 years or 12,000 operation hours, whichever occurs first. Notes: From date of purchase, period of coverage is reduced to 8 years or 12,000 operation hours, whichever occurs first, if the Rinnai Tankless Water Heater temperature settings exceed 160°F (71°C). - Page 70 Limitation on Warranties No one is authorized to make any other warranties on behalf of Rinnai America Corporation. Except as expressly provided herein, there are no other warranties, expressed or implied, including, but not limited to warranties of merchantability or fitness for a particular purpose, which extend beyond the description of the warranty herein.
- Page 71 NOTE Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 72 Rinnai America Corporation 103 International Drive Peachtree City, GA 30269 Tel: 1-800-621-9419 100000726(03) Web: rinnai.us 3/2022 rinnai.ca...