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INTERNAL (INDOOR) MODELS:
INDOOR MODELS:
VE199i (REU-VE2737FFD-US)
RE199i (REU-VE2737FFD-US)
VE180i (REU-VE2432FFD-US)
RE180i (REU-VE2432FFD-US)
VE160i (REU-VE2125FFD-US)
RE160i (REU-VE2125FFD-US)
VE140i (REU-VE1720FFD-US)
RE140i (REU-VE1720FFD-US)
Tankless Water Heater
Installation and Operation Manual
10000072200001
C
US
ANSI Z21. 1 0.3 ● CSA 4.3
EXTERNAL (OUTDOOR) MODELS:
OUTDOOR MODELS:
VE199e (REU-VE2737WD-US)
RE199e (REU-VE2737WD-US)
VE180e (REU-VE2432WD-US)
RE180e (REU-VE2432WD-US)
VE160e (REU-VE2125WD-US)
RE160e (REU-VE2125WD-US)
VE140e (REU-VE1720WD-US)
RE140e (REU-VE1720WD-US)
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Summary of Contents for Rinnai RE199i
- Page 1 INTERNAL (INDOOR) MODELS: EXTERNAL (OUTDOOR) MODELS: INDOOR MODELS: OUTDOOR MODELS: VE199i (REU-VE2737FFD-US) VE199e (REU-VE2737WD-US) RE199i (REU-VE2737FFD-US) RE199e (REU-VE2737WD-US) VE180i (REU-VE2432FFD-US) VE180e (REU-VE2432WD-US) RE180i (REU-VE2432FFD-US) RE180e (REU-VE2432WD-US) VE160i (REU-VE2125FFD-US) VE160e (REU-VE2125WD-US) RE160i (REU-VE2125FFD-US) RE160e (REU-VE2125WD-US) VE140i (REU-VE1720FFD-US) VE140e (REU-VE1720WD-US) RE140i (REU-VE1720FFD-US) RE140e (REU-VE1720WD-US) ANSI Z21.
- 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 Recirculation ........................40 4.12 Post-Water Heater Installation Checklist ................41 Operation ............................43 Safety Precautions ........................43 Operating Instructions ......................44 Control Panel ........................45 Setting the Temperature .......................46 Rinnai Tankless Water Heater Installation and Operation Manual... - Page 4 Massachusetts State Gas Regulations ................. 58 Wiring Diagram ........................60 Ladder Diagram ........................61 Pressure Drop and Water Flow Curves ................62 Guidelines for Additional Temperature Controllers ............... 63 Warranty ............................64 Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 5: Welcome
Pressure Relief Valve units) or give the manual directly to the 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
– Use only your hand to turn the manual personal injury or death. gas control valve. Never use tools. If Rinnai Tankless Water Heater Installation and Operation Manual... - Page 7 • BURN HAZARD. Hot exhaust and vent may cause serious burns. Keep away from the water heater. Keep small children and animals away from the water heater. 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 Gas Inlet Cold Water Gas Inlet Outlet Cold Water 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 Controller PC Board (removed for clarity) Water Flow Servo (Bypass Servo certain models) Figure 3: Main Components Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 10: Specifications
GPM (1.0 L/min) for RE199 and RE180). 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
14.05 (357) Figure 4: Indoor Dimensions Outdoor Models (RE199e, RE180e, RE160e, and RE140e) 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 5.79 (147) 4.74 (121) 3/4 MNPT Cold Inlet 2.24 (57) 3.46 (88) 2.41 (61) 3/4 MNPT Hot Outlet 4.6 (117) 5.82 (148) 4.76 (120) 3/4 MNPT Bracket .40 (10) 1.6 (41) 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 Hot water usage of 1 hour per day with sufficient power for 5-7 days. A pump system can be incorporated with Recirculation Pump Rinnai Circ-Logic recirculation technology Part #: GTK03U in a dedicated recirculation system. Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 15: Install The Water Heater
(mobile) homes. ance. • 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
If any items are damaged or missing, contact your local dealer/distributor or call Rinnai Customer Care at 1-800-621-9419. • Rinnai Tankless Water Heater • Rinnai Tankless Water Heater Installation and Operation Manual • Self-Tapping Screw (Indoor models only) Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 17: Choose An Installation Location
Dioxide (CO2) This section provides information on the Iron * Up to 0.3 mg/L importance of water quality to the Rinnai Tankless Water Heater. The information is intended to serve Manganese * Up to 0.05 mg/L as a general guide only and is not a complete list pH * 6.5 to 8.5... - 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 Valve 1/2 in. Normally 1/2 in. Normally Open Solenoid Valve Open Solenoid Route Drain Per Local Code Valve 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
For installation flexibility, the top and bottom brackets can be adjusted to set the water heater distance from the wall. Bracket Bracket 0.39-1.8 retracted extended (10-45) Level Figure 12: Top View Bracket Figure 10: Indoor Models Rinnai Tankless Water Heater Installation and Operation Manual... - Page 23 • Make sure the securing method is brackets sufficient to support the weight of the water heater. Refer to the water heater weight in section “3.3 Specifications.” Figure 14: Outdoor Mounting Brackets Level Figure 13: 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 inspec- tor. • 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 15 Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 26 Roof Discharge Termination 38 in. 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 3 in. (75 mm) minimum 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 • The condensate drain pipe should be as • DO NOT allow condensate to enter the short as possible and have a downward water heater. pitch. 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
4. Before placing the appliance in operation, all Gas connection 3/4 in. joints including the heater must be checked MNPT connection for gas tightness by means of soap, gas leak detector solution, or an equivalent Rinnai Tankless Water Heater Installation and Operation Manual... - Page 35 60 (18) 70 (21) (CFH) = 80 (24) For this example, the pipe diameter 90 (27) must be at least 3/4 in. pipe size and 10 ft (3 m) in length. 100 (30) Rinnai Tankless Water Heater Installation and Operation Manual...
- Page 36 60 (18) Total Gas 264,000 80 (24) Btu/hr 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 NOTE: Service Soon (55) will display on the selected service interval. 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: Recirculation
Recirculation mode is for residential installations only. Recirculation mode cannot be used with an air handler or with multiple Rinnai water heaters. The maximum Rinnai temperature setting while in Hot Water recirculation mode is 140°F (60°C). -
Page 41: 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 42 Did you install a manual gas control valve in the gas line to the water heater? □ □ Is the inlet gas pressure within limits? □ □ Did you purge the gas line of air or any debris before connecting the water heater? Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 43: Operation
• Always check the water temperature before service agency or the gas supplier. entering a shower or bath. • DO NOT adjust the parameters unless specifically instructed to do so. Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 44: 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 45: 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 39 Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 46: Setting The Temperature
Note: Priority can only be changed when hot water is not in use. 3. Press the (Up) or (Down) buttons to obtain the desired temperature setting. Figure 40 Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 47: Performance Data
(Figure 41) 3. Use the (Up) and (Down) buttons to scroll to the desired information described in Table 23: Performance Data Table. (Figure 42) Figure 41 Figure 42 Rinnai Tankless Water Heater Installation and Operation Manual... - Page 48 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 49: 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 50 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 51 • 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 52 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 53: 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 54 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 55 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 56: Flushing The Heat Exchanger
13. Rinse the vinegar from the water heater as Hot water follows: line A. Remove the free end of the drain hose (H3) from the pail. Place in sink or outside to Circulating drain. Pump Figure 47 Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 57: Draining The Water Heater
6. After confirming that the temperature controller is off, turn on the gas supply. 7. Turn on the temperature controller. Running a low volume of water through the water heater to prevent freezing: Figure 48: Piping Diagram Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 58: Appendices
In provisions of 248 CMR 5.08(2)(a)1 through 4. addition, the installing plumber or gas fitter shall observe that a battery operated or hard wired carbon monoxide detector with an Rinnai Tankless Water Heater Installation and Operation Manual... - Page 59 COMBINATION SPACE HEATING/POTABLE WATER SYSTEM (For Use In Commonwealth of Massachusetts) Rinnai Tankless Water Heater Installation and Operation Manual...
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Page 60: Wiring Diagram
7.2 Wiring Diagram Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 61: Ladder Diagram
7.3 Ladder Diagram Figure 51 Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 62: Pressure Drop And Water Flow Curves
7.4 Pressure Drop and Water Flow Curves RE140 RE160 RE180 RE199 Water Flow (GPM) Figure 52: Pressure Drop Curve RE199 RE180 RE160 RE140 Delta T - Temperature Rise (°F) Figure 53: Water Flow Curve Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 63: 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 55 controller package) Rinnai Tankless Water Heater Installation and Operation Manual... -
Page 64: Warranty
For commercial applications, the heat exchanger warranty is 8 years or 12,000 combustion hours, whichever occurs first. Notes: From date of purchase, period of coverage is reduced to 8 years or 12,000 combustion hours, whichever occurs first, if the Rinnai Tankless Water Heater temperature settings exceed 160°F (71°C). - Page 65 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 66 Rinnai America Corporation 103 International Drive Peachtree City, GA 30269 Tel: 1-800-621-9419 100000722(02) Web: rinnai.us 12/2021 rinnai.ca...
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Questions and answers
What clearance is required around the ventless unit?