Page 2 - Table of Contents
2 VA Series Indoor LS Manual Specifications ......................................................3 Consumer Safety Information Safety Definitions .............................................4 Safety Behaviors and Practices .......................4 Safety Features .....................................
Page 3 - Specifications; ASME
VA Series Indoor LS Manual 3 Specifications Rinnai is continually updating and improving products. Therefore, specifications are subject to change without prio ** for commercial and hydronic applications requiring higher temperatures. r notice. The maximum inlet gas pressure must not exceed the valu...
Page 4 - WARNING; Safety Behavior and Practices; DANGER; Consumer Safety Information; Safety Features
4 VA Series Indoor LS Manual WARNING 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 under water. Immediately call a qualified service technici...
Page 5 - Description of Operation; Features Available on Remote Controllers; Operating Instructions; Features; BC
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 air is brought in from the outside and combustion gases are exhausted to the outside. Wh...
Page 6 - Remote Controllers - Models
6 VA Series Indoor LS Manual Remote Controllers - Models Temperature Display Thermostat Priority Indicator Priority Button ON/OFF Button In Use Indicator Temperature Display Thermostat In Use Indicator Priority Indicator Priority Button ON/OFF Button MC-91-1US & MCC-91-1US MC-502RC-1US-S * (Wire...
Page 7 - NOTICE
VA Series Indoor LS Manual 7 Temperature Display Thermostat In Use Indicator Priority Button and Indicator ON/OFF Button Clock Call Function Temperature Display Thermostat ON/OFF Button In Use Indicator Clock Call Priority Button and Indicator Water Smart Bath Fill Indicator Water Smart Bath Fill Bu...
Page 8 - Setting the Temperature; Temperature Options Without a Remote Controller
8 VA Series Indoor LS Manual Setting the Temperature 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. While any hot water is being ...
Page 10 - Using the Water Smart / Bath Fill Function
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. 2. Press the “Temp” or butt...
Page 11 - Filling the Tub; When
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. Open the hot water tap.”...
Page 12 - Maintenance
12 VA Series Indoor LS Manual WARNING Turn off the electrical power supply, the manual gas valve and the manual water control valve whenever servicing the unit. Repairs should be performed by a qualified service technician. The appliance should be inspected annually by a qualified service technician...
Page 13 - Error Codes; Error; Error Code Table
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 controller. This assists with diagnosing the fault, and may enable you to overcome a problem without a s...
Page 16 - Circulating Pump
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 damage to the heat exchanger. Damage caused by lime buildup is not covered by the unit’...
Page 17 - General Instructions; Installation Instructions
VA Series Indoor LS Manual 17 Only properly trained and qualified 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 attend a product knowledge class. For information ...
Page 18 - Clearances
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 (zero) 0 (zero) Front of Heater 6 inches (152 mm) 24 inches (610 mm) Sides of Heater 2 inches (51 mm) 2 inches (51 mm) Floor/Ground 12 in...
Page 19 - Gas Piping; Electrical
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 disconnection of the unit. Check the type of gas and t...
Page 20 - Length
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). The gas input needs to include all gas products at the location a...
Page 21 - Freeze Protection; Water; Pressure Relief Valve
VA Series Indoor LS Manual 21 The freeze protection features include electrical heating elements and intermittent firing of the burner. Freeze protection may be disabled if electricity or gas is not supplied, or if there is an error preventing the water heater from functioning. Loss of freeze protec...
Page 22 - Rinn ai; Freeze
22 VA Series Indoor LS Manual This is not an engineered drawing, it is intended only as a guide andnot as a replacement for professionally engineered project drawings.This drawing is not intended to describe a complete system, it is up tothe contractor/engineer to determine the necessary components ...
Page 23 - Recommended Piping for Basic Installation; Rinnai
VA Series Indoor LS Manual 23 Recommended Piping for Basic Installation Gas Supply 3/4" Cold Water Supply Line 3/4" Hot Water Supply Line Rinnai Water Heater RinnaiEquipment List RinnaiWater Heaters RIK-KIT (Optional)(3/4" Fittings Include:2 Unions, 2 Ball Valves,2 Drain Valves and1 Pres...
Page 24 - Recommended Piping for Circulation Systems
24 VA Series Indoor LS Manual Recommended Piping for Circulation Systems This is not an engineered drawing, it is intended only as a guide andnot as a replacement for professionally engineered project drawings.This drawing is not intended to describe a complete system, it is upto the contractor/engi...
Page 25 - Optional Piping for Circulation Systems
VA Series Indoor LS Manual 25 Optional Piping for Circulation Systems This is not an engineered drawing, it is intended only as a guide andnot as a replacement for professionally engineered project drawings.This drawing is not intended to describe a complete system, it is upto the contractor/enginee...
Page 26 - Condensate
26 VA Series Indoor LS Manual Venting 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 different manufac...
Page 27 - Maximum Vent Length
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 elbows in the vent system. (Two 45 deg...
Page 28 - Vent Products; Listed and Tested Vent Products for
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 instructions. Listed and Tested Vent Produ...
Page 29 - Flue Terminal Clearances (
VA Series Indoor LS Manual 29 Flue Terminal Clearances ( ANS Z21.10. 3 • CSA 4.3) INSIDECORNER DETAIL FIXEDCLOSED OPERABLE FIXEDCLOSED 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 dwell...
Page 30 - Additional Clearances - Vent Terminal; INSIDE
30 VA Series Indoor LS Manual 24" V Additional Clearances - Vent Terminal Local codes supersede these clearances. Avoid termination locations near a dryer vent. Avoid termination locations near commercial cooking exhaust. For VA323 • • • 7 air intake position, follow the ANS Z21.10.3 • CSA 4.3 r...
Page 31 - Flue Installation - Concentric Venting (R50LSi; Vertical Termination; (condensate collector must be used in all installations); Horizontal Termination using
VA Series Indoor LS Manual 31 Flue Installation - Concentric Venting (R50LSi , R75LSi , R94LSi) 3 in (75 mm) minimum Condensate Trap Vertical Termination (condensate collector must be used in all installations) 3 in (75 mm) minimum 3 in (75 mm) minimum Horizontal Termination using the Condensate Col...
Page 32 - Horizontal Terminations; Flue Installation (R98LSi
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 be used. Foil wrapped dryer vent and cell core products are not a...
Page 33 - Vertical Terminations; Horizontal with Concentric Termination
VA Series Indoor LS Manual 33 Vertical Terminations The air intake requires a return bend or two 90º elbows to prevent entry of rain. SLOPE INTAKE AND EXHAUST TOWARD OUTSIDE TERMINATION MINIMUM 1/4" PER FOOT Horizontal with Concentric Termination Flue Installation (R98LSi , R98LSi-ASME)
Page 34 - Connecting Multiple Water Heaters; Number of Connected Water Heaters:; Guidelines
34 VA Series Indoor LS Manual High Altitude Installations 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 ...
Page 35 - Configurations
VA Series Indoor LS Manual 35 Remote 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. The digital display may be difficult to read in direct sunl...
Page 36 - Outline of Remote; CABLE CLAMP
36 VA Series Indoor LS Manual Remote 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 controller and the other controller. 4. Remove the face plate from th...
Page 37 - CLOSE
VA Series Indoor LS Manual 37 Operating Instructions FOR YOUR SAFETY READ BEFORE OPERATING 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. BEFORE OPERATING smell all around the appliance...
Page 38 - Technical Data; Pressure
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) 0 25 50 75 100 125 150 delta T - Temperature Rise (ºF) Water Flow Rate (gpm) Technical Data Pressure Drop Curve Outlet Flow Data R98LSi R94LSi...
Page 39 - Space; Temperature Setting; Iron Components
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 components connected to the water heater shall be suitable for use with potable water. Toxic chemicals, such as used for boiler tr...
Page 40 - Dimensions; DIM
40 VA Series Indoor LS Manual Dimensions A B C D K I J G F H E DIM DESCRIPTION R50LSiR75LSiR94LSi 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 25.5 (648.2) 25.2 (639.8) E Hot Water Ou...
Page 41 - Ladder; CPU
VA Series Indoor LS Manual 41 Ladder Diagram RELAY 1 IG FROST SENSING SWITCH ANTI-FROST HEATER IGNITION COMBUSTION FAN 3A(FUSE) HOT NEUTR A L VARI STOR DC12.6V SOLENOID DRIVING CIRCUIT CPU CENTRAL PROCESSI NG UNIT FA N REMOTE CONTROLLER P O V FAN CONTROL CIRCUIT BY-PASS FLOW CONTROL DEVICE CIRCUIT T...
Page 42 - Consumer Support; Limited
42 VA Series Indoor LS Manual Item VA LS Series Period of Coverage (from date of purchase) Used with Rinnai Air Handler for domestic heating and water Commercial Applications including radiant heating Heat Exchanger 12 years * 10 years * † 5 years * All Other Parts and Components 5 years * 5 years *...
Page 43 - Limited Warranty Continued
VA Series Indoor LS Manual 43 Limited Warranty Continued What will Rinnai do? Rinnai will repair or replace the covered product 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 repla...
Page 44 - Rinnai’s other fine products
Direct Vent Heaters • “Cool-to-the-Touch” cabinet • Easily Installed and Safe for Any Room • Up to 84% Efficient • Electronic Ignition - No Pilot Light • Propane or Natural Gas • Whisper Quiet Blower • Primary Heat Source Infrared Heaters • Wall-mountable or Free-standing • Works in Power Outages • ...
