Rinnai RHFE-431FA Owner's Operation And Installation Manual
Rinnai RHFE-431FA Owner's Operation And Installation Manual

Rinnai RHFE-431FA Owner's Operation And Installation Manual

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HOME OWNER / INSTALLER
THIS MANUAL MUST BE READ IN ITS
ENTIRETY BEFORE OPERATING HEATER
GAS DIRECT VENT WALL FURNACE
Owner's Operation and Installation Manual
WARNING: If the information in these instructions are not
followed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
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
your building.
Immediately call your gas supplier from a neighbor's phone.
Follow the gas supplier's instructions.
If you cannot reach your gas supplier, call the fire
department.
Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
This appliance may be installed in an aftermarket, permanently
located, manufactured home (USA) or mobile home, where not
prohibited by local codes.
This appliance is only for use with the type of gas indicated on
the rating plate. This appliance is not convertible for use with
other gases, unless a certified kit is used.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
Register your product at www.rinnairegistration.com or
call 1-866-RINNAI1 (746-6241)
FOR YOUR SAFETY
RHFE-431FA
ENERGYSAVER

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Summary of Contents for Rinnai RHFE-431FA

  • Page 1 HOME OWNER / INSTALLER FOR YOUR SAFETY THIS MANUAL MUST BE READ IN ITS ENTIRETY BEFORE OPERATING HEATER RHFE-431FA ENERGYSAVER GAS DIRECT VENT WALL FURNACE Owner’s Operation and Installation Manual WARNING: If the information in these instructions are not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
  • Page 2: Table Of Contents

    UNITS ............1 SAFETY DEVICES ....................1 IMPORTANT POINTS / USAGE AND INSTALLATION MUSTS ......3 DIMENSIONS ......................5 SPECIFICATIONS ....................6 SAFETY POINTS ....................8 GETTING TO KNOW YOUR NEW RHFE-431FA ..........10 CONTROL PANEL ....................11 CUT-AWAY DIAGRAM ...................12 NOTICE BEFORE INSTALLATION ...............13 INSTALLATION INSTRUCTIONS ................14 GAS CONNECTION ....................15...
  • Page 3: Features Of The Rhfe-431Fa Units

    FEATURES OF THE RHFE-431FA UNITS Clean Heating Forced Flue Type Easy Operation One-Touch Ignition Sensible Temperature Control Feature Comfortable Room Temperature Control and Display Warm Air Outlet at Floor Level (Keeps Your Feet Warm) Child Safety Lock Room Temperature Setting Memory...
  • Page 4 This safety device cuts off gas passage and stops operation. Local and state codes must be adhered to prior to installation. Rinnai is continually updating and improving products therefore specifications are subject to change without prior notice. Minimum supply gas pressure 3.5"...
  • Page 5: Important Points / Usage And Installation Musts

    8. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases, unless a certified kit is used. If a conversion of the unit is needed, conversions must be performed at Rinnai America or anthorized agent at owner's expense.
  • Page 6 You must also readjust manifold gas pressure to specifications indicated in the conversion manual. If in doubt, contact Rinnai America for assistance. – 4 –...
  • Page 7: Dimensions

    DIMENSIONS 11 " (280mm) 3 7/16" (88mm) 3 3/8" (85mm) 6 1/2" (165mm) 3" Gas Inlet 8 9/16" 9 5/8" Exhaust at rear of unit Power supply cable (217mm) (245mm) 29 1/2" (750mm) – 5 –...
  • Page 8: Specifications

    SPECIFICATIONS BTU/h MIN. CLEARANCES FAN CFM MODEL OUTPUT SIDE FRONT INPUT OUTPUT LO:110.5 RHFE-431FA -N 8,200 6,640 2" 10" 40" (50mm) (250mm) (1m) High High NATURAL HI:141.3 16,700 13,530 LO:110.5 RHFE-431FA -P 8,200 6,640 2" 10" 40" (50mm) (250mm) (1m)
  • Page 9 Flame failure – Flame rod Over heat – Bi-metal switch, thermal fuse, thermistor Power failure – PCB Safety Devices Power surge – 3 Amp. fuse Fan delay – Micro computer timer Pre-purge – Combustion fan, pre-purge timer, spark sensor Room over heat – Automatic cut off at 104°F after 10 minutes Noise Level Range HI LOW 38 32dB(A) Combustion Method...
  • Page 10: Safety Points

    SAFETY POINTS Do not restrict the warm air discharge by This appliance must not be used for any placing articles in front of the heater. purpose other than heating. Do not spray aerosols while the heater is Do not install the heater in an unusually operating.
  • Page 11 SAFETY POINTS Keep flammable materials, trees, shrubs, Do not allow anyone to poke articles etc., away from the flue terminal. through the louvers. Gasoline LPGAS Filter should be cleaned at regular intervals. Young children should be supervised at all See page 30. times.
  • Page 12: Getting To Know Your New Rhfe-431Fa

    GETTING TO KNOW YOUR NEW RHFE-431FA DISPLAY TEMPERATURE WARM AIR OUTLET SETTING CONTROLS HUMIDIFIER ON/OFF SWITCH REMOVE BOTTOM TURNS MAIN POWER COVER AND PULL ON/OFF OUT TO REFILL BOTTOM COVER RATING PLATE HOLD BOTH SIDES MODEL NUMBER, AND PULL TOWARD SERIAL NUMBER, GAS TYPE, ETC.
  • Page 13: Control Panel

    CONTROL PANEL ALL BUTTONS BEEP WHEN OPERATED. CHILD SAFETY TEMPERATURE FILTER LAMP OPERATION LAMP LOCK DISPLAY Flashes when filter This lamp turns Lamp is "green" Set temperature is dirty. "green" when power when this feature lamp stays on. is on. Lamp will is on.
  • Page 14: Cut-Away Diagram

    CUT-AWAY DIAGRAM – 12 –...
  • Page 15: Notice Before Installation

    Replacement of the panel(s) should be done by a licensed or Rinnai recommends a dedicated electrical circuit. qualified service person. Appliance input ratings are based on sea level INSTALLATION AND REPAIR SHOULD BE DONE operation and need not be changed for operation up BY A QUALIFIED SERVICE PERSON.
  • Page 16: Installation Instructions

    Refer to local gas authority for confirmation of gas type if in doubt. Refer to data plate located inside of the front panel. Check for damage, if the unit is damaged contact your supplier or Rinnai. Do not install a damaged unit before checking with your supplier.
  • Page 17: Gas Connection

    GAS CONNECTION 1. The gas supply line shall be gas tight, sized and so installed as to provide a supply of gas sufficient to meet the maximum demand of the heater without loss of pressure. 2. A shut off valve (and appliance connector valve) should be installed in the upstream of the gas line to permit servicing.
  • Page 18: Vent Location

    VENT LOCATION FITTING TOP SPACER + WALL CLIP FLUE MANIFOLD POSITION Tighten all screws. Center of hole for flue manifold can be drilled anywhere within the shaded area. (To avoid studs, etc.) Top spacer FOR WEATHERBOARD WALLS DRILL THROUGH CENTER OF WEATHER BOARD FROM OUTSIDE, THEN DRILL FROM INSIDE THROUGH PLASTER- BOARD.
  • Page 19: Vent Termination Clearances

    VENT TERMINATION CLEARANCES INSIDE CORNER DETAIL FIXED CLOSED OPERABLE FIXED CLOSED VENT TERMINAL OPERABLE AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED – 17 –...
  • Page 20: Location / Clearances

    Do not flue into natural draught flues or fireplaces, this unit can only be used with one of the five types of Rinnai flue kits. Do not flue unit into other rooms. Flue terminal must be outside. The flue is not designed to be positioned under floors, or below the level of the heater.
  • Page 21 SNOW AREAS FIT BACK COVERS (SIDES ONLY) Fit back covers (sides only) as shown below. Engage Lugs Snow Secure With Screws In areas subject to heavy snowfall, keep snow clear of flue terminal at all times. STANDARD INSTALLATION OF FLUE MANIFOLD. Diagram below shows minimum clearances and Clearance in accordance with local installation distances from obstructions.
  • Page 22: Sleeve And Manifold Installation

    SLEEVE AND MANIFOLD INSTALLATION METHOD FOR STANDARD WALLS 1. Disassemble Manifold from Sleeve. Flanges The flue consists of 3 parts, sleeve, inside connectors and tube, outside terminal; (dis-assembly by pulling hard on outside terminal and inner connections, then pull sleeve off outer terminal.) NOTE: Clearance to combustibles for terminal Sleeve Terminal...
  • Page 23 5. Check rubber seal is in place on terminal. *For weather board walls, add spare rubber seal Terminal seal (Add "weather board" provided to compensate for weather board angle. seal here) 6. Installation of Terminal "TOP" mark "A" From outside, insert terminal into sleeve with the “A” Label mark at the top.
  • Page 24: Fitting Unit

    FITTING UNIT AIR INLET HOSE 2. Fit the locking clamp over connection between sliding tube and manifold. Engage the hook and rotate it until it snaps against the body of the clamp. Manifold Manifold Inlet hose Flue outlet Sliding tube Hose clip Hook Detail of Hose clip...
  • Page 25 Fault-Failure Procedure If unable to get the heater to operating correctly, contact Rinnai directly or your Agent or Gas Utility. Do not use electrical extension cords to connect unit to power supply. Keep the power cord away from the flue.
  • Page 26: Operating Instruction Label

    OPERATING INSTRUCTION LABEL ENERGYSAVER RHFE-431FA FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. This appliance does not have a pilot. It is equipped •...
  • Page 27: Additional Customer Operating Information

    ADDITIONAL CUSTOMER OPERATING INFORMATION IGNITION Make certain the heater is connected into both the gas Filter and the electric power. Depress the ignition ON/OFF button slowly and firmly. ON/OFF TEMPERATURE LEVEL When you release the ignition ON/OFF button the LO 60 64 68 72 76 80 HI ‘Temperature Level’...
  • Page 28 ROOM TEMPERATURE DISPLAY TEMPERATURE LEVEL Temperature is indicated by the L.E.D. display on the control panel. The room temperature is indicated by the LO 60 64 68 72 76 80 HI flashing L.E.D., and the set temperature by the steady L.E.D.
  • Page 29 This equipment is for 120 V AC (60Hz) only. Do not use power source other than what is listed. Caution G Should the type of gas or power source be different, please contact your dealer. Using a different type of gas or power source may affect the performance or may be dangerous. G If you are moving to another area, please check the types of gas and power source provided in the area.
  • Page 30 In case of an emergency (e.g., abnormal overheating of the unit, loud noise), always stay calm, turn the unit off by pushing the ON/OFF button, close the gas valve and contact your dealer or the Rinnai office or store near you.
  • Page 31 CAUTION: If you find a problem with the air supply/exhaust do not use the unit. Contact your dealer or the nearest Rinnai office. CHILD SAFETY LOCK The child safety lock feature prevents accidents due to tampering by small children.
  • Page 32 Adding Water to Humidifier: If the air gets dry, add water to the humidifier tray to add moisture to the air. (1) Remove the bottom cover. Hold both ends of the cover and pull toward you to remove the cover. (2) Pull out the humidifier tray and add water.
  • Page 33 CAUTION: G If you continue to use the heater with the filter indicator lamp flashing, the sensor may detect trouble and turn the unit off automatically. G When the unit is turned off automatically, the room temperature display lamp "68" and the "operation/combustion"...
  • Page 34: Testing

    Purge air from gas line. If unable to get the unit to operate correctly, contact Refer to pipe sizing chart if in doubt about the size of Rinnai Agent, or Gas Utility. Please read the fault the gas line. finding charts before reporting faults.
  • Page 35: Pre-Service Check

    Heater will not re-ignite after overheating. Even after unit has cooled down the heater does not ignite again. Repair is necessary. Contact your local agent or Rinnai for a Service call. I When the unit is turned off. Convection fan continues to run after This is to remove the residual heat from the heat exchanger, the fan will stop turning OFF.
  • Page 36: Trouble Shooting

    TROUBLE SHOOTING Your RHFE-431FA requires very little maintenance, simply clean the rear fan filter once a week and wipe the outer case and louver section with a damp cloth. Problem Remedy Cause Not Plugged In Plug In Re-ignite manually after...
  • Page 37: Maintenance / Service

    MAINTENANCE / SERVICE MAINTENANCE SUGGESTIONS VISUAL CHECK SATISFACTORY This heater has been designed and constructed for a long performance life when installed and operated FRONT VIEW properly under normal conditions. Regular inspections, as outlined in this section, are strongly recommended as means of keeping your heater operating efficiently throughout the season.
  • Page 38 – 36 –...
  • Page 39: Consumer Support

    CONSUMER SUPPORT Warranty Information The installer is responsible for your heater’s correct installation. Please complete the information below to keep for your records: Purchased from: Address: Phone: Date of Purchase: Model No.: Serial No.: Installed by: Installer’s License No.: Address: Phone: Date of Installation: Limited Warranty...
  • Page 40 What will Rinnai do? Rinnai will repair any part or component that is defective in materials or workmanship as set forth as follows. All repair parts must be genuine Rinnai parts. All repairs or replacements must be performed by an individual or servicing company that has been authorized by Rinnai.
  • Page 41: Schematic Diagram

    SCHEMATIC DIAGRAM – 39 –...
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  • Page 46: Parts List

    PARTS LIST – 44 –...
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  • Page 51 Vent sizes: 5 Vent lengths are available. inch (mm) Vent suits walls 3" 4 1/2" (75 115) Vent suits walls 4 1/2" 9 1/2" (115 240) Vent suits walls 9 1/2" 15 3/4" (240 400) Vent suits walls 15 3/4" 23 5/8" (400 600) Vent suits walls 23 5/8"...
  • Page 52: Rhfe-431Fa

    RHFE-431FA Flue Manifold Combustion Fan P.C.B Convection Fan Sub Heat Exchanger Thermal Fuse Over Heat Room Temperature Switch Thermistor (No.1) Over Heat Thermistor Flame Rod Main Heat Modulating Valve Exchanger Solenoid Valve No.1 Electrode Gas Filter Over Heat Warm Air Switch(No.3)
  • Page 53: Extended Flue Pipe Kit

    EXTENSION SET PARTS AND INSTALLATION GUIDE FOT 155 20"(0.5m) EXTENSION SET FOT 156 40"(1m) EXTENSION SET FOT 157 80"(2m) EXTENSION SET FOT 158 BENT ELBOW SET • This extension set is to be used for installations requiring extra distance. MAXIMUM VENT LENGTH 13' WITH 2 ELBOWS I NAMES AND NUMBERS OF PARTS A FOT-155(11.4-20.3 inch) B FOT-156(21.0-39.6 inch)
  • Page 54 I TYPES COMPATIBLE WITH EXTENSION SET RHFE-431FA INSTALLING AN EXTENSION KIT Installing an extension kit requires construction of an air line and the exhaust line. The air line is connected between the Air Supply Elbow at the rear of the heater and the air inlet port on the Flue pipe.
  • Page 55 1. How to connect exhaust pipes Exhaust pipe Exhaust pipe Fit inside Male end Male end Female end Female end Pipe stopper B Pipe stopper B Pipe stopper A To connect the exhaust pipes, fit the male end into the female end and clamp with pipe stopper A to prevent slipping.
  • Page 56 I CAUTIONS 1. Maximum extendable length 2. To prevent water condensation FOR BEST ROOM AIR HUMIDITY, KEEP WATER IN THE HUMIDIFIER TRAY. Condensed water may accumulate here, and cause a blockage preventing combustion. 13 feet, 2 bends CAUTION Never allow the exhaust pipe to sag, as condensed The bend where the hose and pipes leave the body is water may accumulate and cause incomplete not counted.
  • Page 57 4. Wherever the air intake hose and exhaust pipe run sideways, try to have the exhaust pipe on top (to prevent the air intake hose from sagging onto the exhaust pipe). Exhaust pipe Exhaust pipe Air intake hose Air intake hose QUALIFIED INSTALLING AGENCY The installation must conform to local codes, in the absence of local codes, the installation must...
  • Page 58: Technical Data

    Depth: 9 13/16" 8,200 8,200 6,640 6,640 HIGH 16,700 16,700 HIGH 13,530 13,530 Burner Orifices: RHFE-431FA -P use: Orifice part #AU129-210 02-0.85(0.033") RHFE-431FA -N use: Orifice part #AU129-210 02-1.13(0.044") GAS CONVERSION SPECIFICATIONS MODEL DIAMETER PRIMARY SECONDARY MANIFOLD DIFFERENTAL DIP SWITCH TYPE...
  • Page 60 Register your product at www.rinnairegistration.com or call 1-866-RINNAI1 (746-6241) 431F-1700 17(00) Printed in Japan 2008.09 – 58 –...

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