Instruction/ maintenance manual of the product R94LSI Rinnai
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— Do not store or use gasoline or other flammable vapors and liquids in the vicinity of th is or any other appliance. — WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electrical s witch; do not use any phone in your 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 imp roving products. T herefore, specifications ar e subject to change without prior notice. The maximum inlet gas pressure must not exceed the va lue specified by the manufacture r.
4 VA Series Indoor LS Manual W ARNING Safety Behavior and Practices • Keep the area around the appliance clear and free from combustible materials, gasolin e, and other flammable vapors and liquids. • Do not use this appliance if any part has been unde r water.
VA Series Indoor LS Manual 5 The Rinnai water heater is one of the most advanced water heaters available. It provides a continuous supply of hot water at a preset temperature. This appliance is direct vent where ai r is brought in from the outside and combustion gase s are exhausted to the outside.
6 VA Series Indoor LS Manual T emperature Controllers - Models Tem per atu re Dis pla y Thermosta t Priorit y Indicator Priority Button ON/OFF Button In Use Indi c at or Tem per atu re Dis pla y Therm.
VA Series Indoor LS Manual 7 Temp erat ur e Dis pla y Thermosta t In Us e Indi c at or Priority B utton and I ndica t or ON/OFF Butto n Clock Cal l Function Tem per at ure Displ ay Thermostat ON/OFF B.
8 VA Series Indoor LS Manual Switc h No. F O F 8 5 7 6 4 3 ON 1 2 Switc h No. F O F 8 5 7 6 4 3 ON 1 2 120º F (49º C) 140º F (60º C) Setting the T emperature 1.
VA Series Indoor LS Manual 9 T emperature Ranges This water heater will attempt to prov ide hot water at the temperature setti ng even when the water flow is varied or when more than 1 tap is in use. The water h eater c an deliver water at only one temperature setting at a time.
10 VA Series Indoor LS Manual Setting the Water Volume 1. Press the “Priority button” on the temperature controller. The green Priority light will glow indicating that this controller is contro lling the temperature and that the Rinnai water heater is ready to supply hot water.
VA Series Indoor LS Manual 11 Setting Controller to Mute To eliminate the beeps wh en keys are pressed or to turn the beeps back on, pre ss and hold both the ▲ and ▼ buttons until a beep is heard (approximately 5 secon ds). Models MC-91 and MCC-91 Filling the Tub 1.
12 VA Series Indoor LS Manual W ARNING Turn off the electrical power sup ply, the manual gas valve and the manual water control valve whenever servicing the unit. Repairs and maintenance should be p erformed by a qualified service technician. The appliance should be inspected annually by a qualified service technicia n.
VA Series Indoor LS Manual 13 Error Codes The Rinnai water heater has the ability to check its o wn op eration continuously. If a fault occurs, an error cod e will flash on the Display of the temperature controller. This assists with diagnosing the fault and may enable you to overcome a problem wit hout a service call.
14 VA Series Indoor LS Manual 14 Thermal Fuse Check gas type of unit and ensure it matches gas type being use d. Check for restrictions in air flow around unit and vent terminal. Check for low water flow in a circulating system causing sh ort-cycling.
VA Series Indoor LS Manual 15 T rouble Shooting for Common Issues I don’t have any hot w ater when I open the tap. Make sure there is gas, water, and ele ctricity to the Rinnai water heater (powe r is turned on and the gas is turned on). When I was using the hot w ater, the water got cold.
16 VA Series Indoor LS Manual Flushing the Heat Exchang er (Error Code: LC or 00) An “LC” or “00” error code indicates the unit is beginni ng to lime up and must be flushed. Failu re to flush the appliance will cause dam age to the heat exchanger.
VA Series Indoor LS Manual 17 Only properly trained and q ualified installers should install this appliance. The warranty may be voided due to improper installation or installation by a non- qualified installer. Rinnai highly recommends all installers a ttend a product knowledge cla ss.
18 VA Series Indoor LS Manual Clearances from Appliance 1. Identify the installati on location and confirm that the installation will meet all required clea rances. 2. Securely attach the water heater to the wall using any of the holes in the wall installation brackets which are at the top and bottom of the water heater.
VA Series Indoor LS Manual 19 G a s P i p i n g General Instructions • A manual gas control valve must be placed in the gas supply line to the Rinnai water heat er. A union can be used on the connection ab ove the shut off valve for the future servicing or disconnection of the unit.
20 VA Series Indoor LS Manual Pipe Sizing Procedure - Example 1. Determine the cubic feet per hour of ga s required by dividing the gas input (on the rating plate) by the heat ing value of the gas (available from the local gas compan y).
VA Series Indoor LS Manual 21 The freeze protection features inclu de electrical heating elements and intermittent firing of the burner. Freeze protection may be disabled if ele ctricity or gas is not supplied, or if ther e is an error preventing the water heater from functioning.
22 VA Series Indoor LS Manual Pressure Relief Valve 3/4" Ball Valve 3/4" Un ion Check Valve S Pressure Regula tor Circulating Pump Solenoid Valve Boiler Drain Va lve KEY G a s S u p p l y M .
VA Series Indoor LS Manual 23 Recommended Piping for Basic Installation 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 ppl y Li ne Rinnai Water Hea ter.
24 VA Series Indoor LS Manual Recommended Piping for Circulation Systems Pressure R elief Val ve 3/4" Ball Va lve 3/4" Union Check Valve S Pressure Regula tor Circu lating Pump Soleno id Val.
VA Series Indoor LS Manual 25 Pressure Relief Valve 3/4" Ball Valve 3/4" Un ion Check Valve S Pressure Regula tor Circu lating Pump Soleno id Valve Boiler D rain Va lve KEY Minimum 3/4".
26 VA Series Indoor LS Manual • Vertical terminations must incorporate a condensate drain and trap as close as possibl e to the appliance. • Slope any horizontal venting 1/4 inch per foot (19 mm / m), towards the heater if the condensate collector is used, or towards the exhau st terminal if the condensate collector is not used.
VA Series Indoor LS Manual 27 Example: If you have one elbow then your maximum vent l ength 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 v ent 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 V ent/Air Intake System Refer to the manufacturer’s technical literatu re for specific part numbers and instruction s.
VA Series Indoor LS Manual 29 Flue T e rminal Clearances ( ANS Z21.10.3 ● C S A 4 . 3 ) INS IDE 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 1.
30 VA Series Indoor LS Manual 24" V Additional Clearances - V ent T erminal Local codes supersede the se clearances. • Avoid termination locations near a dryer vent. • Avoid termination locations near comm ercial cooking exhaust. • For VA3237 air intake position, follow the ANS Z21.
VA Series Indoor LS Manual 31 Flue Installation - Concentri c V enting (R50LSi , R75LSi , R85LSi) 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 supplied 4 inch diameter stainless steel, Schedule 40 PVC, ABS or CPVC pipe. A maximum 6 feet of semi-rigid flexible aluminum ducting can also b e used. Foil wrapped dryer vent and cell core p roducts are not authorized.
VA Series Indoor LS Manual 33 Vertical Terminations The air intake requires a re turn bend or two 90º elbows to prevent e ntry of rain. SLOPE INTAKE AND EXHAUST TOWARD OUTSIDE TERMINATION MINIMUM 1/4.
34 VA Series Indoor LS Manual High Altitude Installations 0-2000 ft (0-610 m) 2001-5200 ft (610-1585 m) 5201-7700 ft (1585-2347 m) 7701-10200 ft (2347-3109 m) Switch No. 2 OFF OFF ON ON Switch No. 3 OFF ON OFF ON Set dip switches 2 and 3 to the values shown in table below for your altitude.
VA Series Indoor LS Manual 35 T emperature Controller Installation • 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.
36 VA Series Indoor LS Manual T emperature Controller Installation 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 controlle r 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 0. 0 1. 0 2. 0 3. 0 4. 0 5. 0 6. 0 7. 0 8. 0 9. 0 10.0 0 25 50 75 100 125 150 0 5 10 15 20 25 30 35 40 45 02 468 1 0 1 2 Wa t er Fl ow ( gpm ) P r essur e Loss ( psi) 0 1.
VA Series Indoor LS Manual 39 Space Heating If the water heater is to be used for both water (potable) heating and space heati ng then the following apply. • The piping and components co nnected to the water heat er shall be suitable for use with potable water.
40 VA Series Indoor LS Manual D i m e n s i o n s 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 FROST SENSI NG SWI TCH ANT I- FRO S T HEA TE R IG N IT ION COMB USTI ON FA N 3A ( F US E ) 3A (FU SE ) HOT NE UTR AL VA RI S TO R DC1 2.
42 VA Series Indoor LS Manual What is covered? This Warranty covers any defects in materials or workmanship when the product is installed an d operated according to Rinnai written installation instructions, subject to the terms within this Limited Warrant y document.
VA Series Indoor LS Manual 43 What will Rinnai do? Rinnai will repair or replace the covere d product or any part or co mponent that is defective in materials or workmanship as set forth. Rinnai will pay reasonable l abor charges associated with t he repair or replacement of an y such part or component.
Rinnai’ s other f ine pr oducts Rinnai Amer ica Corporation 103 International Drive Peachtree City, GA 30269 TOLL FREE: 1-800-621- 9419 FAX: 678-829-166 6 www.
An important point after buying a device Rinnai R94LSI (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 R94LSI 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 R94LSI - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Rinnai R94LSI you will learn all the available features of the product, as well as information on its operation. The information that you get Rinnai R94LSI will certainly help you make a decision on the purchase.
If you already are a holder of Rinnai R94LSI, 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 R94LSI.
However, one of the most important roles played by the user manual is to help in solving problems with Rinnai R94LSI. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Rinnai R94LSI 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
