Instruction/ maintenance manual of the product REU-VA3237FFU Rinnai
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Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance. Do not touch any electrical switch; do not use any phone in yo ur building.
2 VA Series Indoor LS Manual Specifications ......................................................3 Consumer Safety Information Safety Definitions .............................................4 Safety Behaviors and Practices ....................... 4 Safety Features .
VA Series Indoor LS Manual 3 S pecifications Rinnai is continually updating and improving product s. T herefore, specifications ar e subject to change without prio ** for commercial and hydronic applications requiring higher temperatures. r notice. The maximum inlet gas pressure must not exceed the va lue specified by the manufacturer.
4 VA Series Indoor LS Manual W ARNING Safety Behavior and Practices Keep the area around the appliance clear and free from combustible materials, gasoline, and other flammable vapors and liquids. Do not use this appliance if any part has been u nder water.
VA Series Indoor LS Manual 5 The Rinnai water heater is one of the most advanced water heaters available. It provides a co ntinuous supply of hot water at a preset temperatu re. This appliance is direct vent where air is brought in from the outside and combustion gases are exhausted to the outside.
6 VA Series Indoor LS Manual Remote Controllers - Models Tem per at u re Dis pla y Th ermostat Priorit y In di cator Priority Bu tton ON/OFF Bu tton In Use I ndi ca to r Tem per atu re Dis pla y Th er.
VA Series Indoor LS Manual 7 Tem p er at ure Dis pla y The rmo stat In Us e I ndi ca to r Priority B utton a nd Indi ca t or ON/OFF Bu tton Clock Cal l Function Tem per at ure Displa y Th ermostat ON/.
8 VA Series Indoor LS Manual Setting the T emperature 1. Press the “Priority button” on the remote controller. The green Priority light will glow indicating that this controller is controlling the temperature and that the Rinnai water heater is ready to supply hot water.
VA Series Indoor LS Manual 9 Setting the Sound V olume (V oice Prompt) BC-100V Press the “Sound Vol.” butt on to adjust the voice prompt volume. The default sound volume is set to Medium. Each subsequent press of the button cycles through the volume levels in the order below.
10 VA Series Indoor LS Manual Setting the Water Volume 1. Press the “Priority button” on the remote controller. The green Priority light will glow indicating that this controller is controlling the temperature and that the Rinnai water heater is ready to supply hot water.
VA Series Indoor LS Manual 11 Filling the Tub 1. Press the “Water Smart / Bath Fill” button once. The button will illuminate, a tone will sound, and the word “Bath” will appear next to the temperature setting. 2. The voice prompt will announce “The hot water system is ready.
12 VA Series Indoor LS Manual W ARNING Turn off the electrical power supply, the manual gas valve and the manual water control valve whenever servicing the unit. Repairs should be perfo rmed by a qualified service technician. The appliance sho uld be inspected annually by a qualified service technici an.
VA Series Indoor LS Manual 13 Error Codes The Rinnai water heater has the ability to check its own operation continuously. If a fault occurs, an error code will flash on the Display of the remote controlle r. This assists with diagnosing the fault, and may enable you to overcome a problem without a servi ce call.
14 VA Series Indoor LS Manual 14 T hermal Fuse Check gas type of unit and ensure it matches gas type bei ng used. Check for restrictions in air flow around unit and ve nt terminal. Check for low water flow in a circulating system causi ng short-cycling.
VA Series Indoor LS Manual 15 T rouble Shooting for Common Issues I don , t have any hot water when I open the tap. Make sure there is gas, water, and electricity to the Rinnai water heater (power is turn ed on and the gas i s turned on) When I was using the hot w ater, the water got cold.
16 VA Series Indoor LS Manual Flushing the Heat Exchange (Error Code: LC or 00) An “LC” or “00” error code indicates the unit is beginning to lime up and must be flushed. Failure to flush the appliance will cause dam age to the heat exchanger.
VA Series Indoor LS Manual 17 Only properly trained and qualified installers should install this appliance. The warra nty may be voided due to improper installation or installatio n by a non- qualified installer. Rinnai highly recommends all installers attend a product knowledge class.
18 VA Series Indoor LS Manual to Combustibles to Non- Combustibles R50LSi R75LSi R94LSi R98LSi Top of Heater 6 inches (152 mm) 12 inches (305 mm) Back of Heater 0 (zer o) 0 ( zero) Front of Heater 6 i.
VA Series Indoor LS Manual 19 Gas Piping General Instructions A manual gas control valve must be placed in the gas supply line to the Rinnai water heater. A union can be used on the connection above the shut off valve for the future servicing or disconne ction of the unit.
20 VA Series Indoor LS Manual Pipe Sizing Procedure - Example 1. Determine the cubic feet per hour of gas required by dividing the gas input (on the rating plate) by the heating value of the gas (available from the local gas company).
VA Series Indoor LS Manual 21 The freeze protection features include electrical heating elements and intermittent firing of the burner. Freeze protection may be disa bled if electricity or gas is not supplied, or if there is an error preventing the water heater from functioni ng.
22 VA Series Indoor LS Manual This is no t an engi neered drawi ng, i t is i ntended onl y as a g uide and not as a r eplaceme nt fo r pro fessi onally engi ne ered project d rawin gs.
VA Series Indoor LS Manual 23 Recommended Piping for Basic Inst allation G a s S u p p l y 3 / 4 " C o l d W a t e r S u p p l y L i n e 3/4" Ho t Wat e r S u pply Line Rinnai Water Heater R.
24 VA Series Indoor LS Manual Recommended Piping for Circulation Systems This is not an enginee red dr awing, i t is intend ed only as a guide and not as a r eplacement f or profes sio nally engine ered proj ect d rawi ngs.
VA Series Indoor LS Manual 25 Optional Piping for Circulation Systems This is not an enginee red drawing, it is intended only as a guide and not as a r eplacement for p rofessionall y engine ere d project d rawings.
26 VA Series Indoor LS Manual V enting Instructions This water heater is a direct vent water heater and therefore is certified and listed with the vent system. You must use vent components that are certified and listed with the water heater model. Do not combine vent components from d ifferent manufacturers.
VA Series Indoor LS Manual 27 Example: If you have one elbow then your maximum vent length is 35 feet (10.7 m). If your actual length is greater than 15 ft (4.6 m) then move dip switch no. 1 (SW1 ) to OFF. Maximum Vent Length 1. Determine the number of 90 degree elb ows in the vent system.
28 VA Series Indoor LS Manual Vent Products Manufacturer Product Parts Rinnai/Ubbink Rolux Vent System Heat-Fab Saf-T Vent SC system Metal-Fab Corr/Guard Vent/Air Intake System Refer to the manufacturer , s technical literature for specific part numbers and instruction s.
VA Series Indoor LS Manual 29 Flue T erminal Clearances ( ANS Z21.10. 3 • C SA 4.3) INS I DE CO RNER D E TA I L FIXED CLOSED OPERABLE FIXED CLOSED OPERABLE B B B A J B M C F B B E D L G A H K I A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings.
30 VA Series Indoor LS Manual 24" V Additional Clearances - V ent T erminal Local codes superse de these clearance s. Avoid termination locations near a dryer vent. Avoid termination locations near commercial cooking exhaust. For VA323 • • •7 air intake position, follow the ANS Z21.
VA Series Indoor LS Manual 31 Flue Inst allation - Concentric V enting (R50LSi , R75LSi , R94LSi) 3 in (75 mm) minimum Condensate Trap Vertical Termination (condensate collector must be used in all in.
32 VA Series Indoor LS Manual Air Intake Assembly The air intake system consists of a field supplie d 4 inch diameter stainless steel, Schedule 40 PVC, ABS or CPVC pipe. A maximum 6 feet of semi-rigid flexible aluminum ducting can al so be used. Foil wrapped dryer vent and cell core products are not authorized.
VA Series Indoor LS Manual 33 Vertical Terminations The air intake requires a return bend or two 90º el bows to prevent entry of rain. SLOPE INTAKE AND EXHAUST TOWARD OUTSIDE TERMINATION MI NIMUM 1/4.
34 VA Series Indoor LS Manual High Altitude Inst allations 1 2 3 4 5 6 7 8 ON F F O Switch No. 1 2 3 4 5 6 7 8 ON F F O Switch No. 1 2 3 4 5 6 7 8 ON F F O Switch No. 1 2 3 4 5 6 7 8 ON F F O Switch No. 0-2000 ft (0-610 m) 2001-5200 ft (610-1585 m) 5201-7800 ft (1585-2377 m) 7801-10200 ft (2378-3109 m) Switch No.
VA Series Indoor LS Manual 35 Remote Controller Installati on The controller should be out of reach of small children. Avoid locations where the controller may become hot (near the oven or radiant heater). Avoid locations in direct sunlight. The digital display may be difficult to read in direct sunli ght.
36 VA Series Indoor LS Manual Remote Controller Installati on 1. Determine a suitable location for the controller. 2. Make three holes in the wall as shown. 3. Run the cable between the controller and the Rinnai water heater or the controller and the other controller.
VA Series Indoor LS Manual 37 Operating Instructions FOR YOUR SAFETY READ BEFORE OPERA TING A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand. B.
38 VA Series Indoor LS Manual Water Flow Rate (gpm) Pressure Loss (psi) 0 10 20 30 40 50 60 70 80 90 10 45 40 35 30 25 20 15 10 5 0 0 Pressure Loss (ft head) 02 5 5 0 7 5 100 125 150 delta T - Tempera.
VA Series Indoor LS Manual 39 Space Heating If the water heater is to be used for both water (potable ) heating and space heating then the following apply. The piping and compone nts connected t o the water heater shall be suitable for use with potable water.
40 VA Series Indoor LS Manual Dimensions A B C D K I J G F H E DIM DESCRIPTION R50LSi R75LSi R94LSi in (mm) R98LSi R98LSi-ASME in (mm) A Width 14 (355.6) 18.5 (470) B Depth * 9.6 (244.5) 9.1 (230.5) C Height - Unit 22.9 (582) 23.6 (600) D Height - with brackets 25.
VA Series Indoor LS Manual 41 Ladder Diagram RELAY 1 IG FR OST SENSING SWI TCH ANT I - FR OST HEA TER IG N ITIO N COMB USTI ON FA N 3A ( F US E) HO T NEUTRA L VA RI S TO R DC 1 2.
42 VA Series Indoor LS Manual Item VA LS Series Period of Coverage (from date of p urchase) Used with Rinnai Air Handler for domesti c heating and water Commercial Applications including radiant heati.
VA Series Indoor LS Manual 43 Limited Warranty Continued What will Rinnai do? Rinnai will repair or replace the covered pro duct or any part or component that is defective in materials or workmanship as set forth as follows. Rinnai will pay reasonable labor charges associated with the repair or replac ement of any such part or component.
Direct Vent Heaters • “Cool-to-the-Touch” cabi net • Easily Installed and Safe for Any Room • Up to 84% Efficient • Electronic Ignition - No Pilot Light • Propane or Natural Gas • Whis.
An important point after buying a device Rinnai REU-VA3237FFU (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Rinnai REU-VA3237FFU yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Rinnai REU-VA3237FFU - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Rinnai REU-VA3237FFU you will learn all the available features of the product, as well as information on its operation. The information that you get Rinnai REU-VA3237FFU will certainly help you make a decision on the purchase.
If you already are a holder of Rinnai REU-VA3237FFU, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Rinnai REU-VA3237FFU.
However, one of the most important roles played by the user manual is to help in solving problems with Rinnai REU-VA3237FFU. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Rinnai REU-VA3237FFU along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
