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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-431WTA
ENERGYSAVER
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Summary of Contents for Rinnai RHFE-431WTA
- Page 1 HOME OWNER / INSTALLER FOR YOUR SAFETY THIS MANUAL MUST BE READ IN ITS ENTIRETY BEFORE OPERATING HEATER RHFE-431WTA 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.
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Page 2: Table Of Contents
SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER, SERVICE AGENCY OR THE GAS SUPPLIER. ENERGYSAVER RHFE-431WTA Table of Contents Page FEATURES OF THE RHFE-431WTA UNITS/SAFETY DEVICES .........1 TECHNICAL DATA ......................2 IMPORTANT POINTS/USAGE AND INSTALLATION MUSTS ........2 DIMENSIONS.........................4 SPECIFICATIONS......................5 SAFETY POINTS ......................7 GETTING TO KNOW YOUR NEW RHFE-431 ..............9... -
Page 3: Features Of The Rhfe-431Wta Units/Safety Devices
FEATURES OF THE RHFE-431WTA 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 Function Lock... -
Page 4: Technical Data
13"W.C. The minimum inlet gas supply pressures is for the purpose of input adjustment. Heaters may be converted from one gas to another using Rinnai conversion kits. IMPORTANT POINTS / USAGE AND INSTALLATION MUSTS Unpack heater and check for damage. ( DO NOT INSTALL DAMAGED HEATER. ) If heater is damaged, contact your supplier for advice. - Page 5 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.
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Page 6: Dimensions
A TYPE OF GAS NOT SHOWN ON THE RATING PLATE, IS THE RESPONSIBILITY OF THE PERSON AND COMPANY MAKING THE CHANGE. Rinnai is continually updating and improving products. Therefore, specifications are subject to change without notice. Thank you for purchasing Rinnai forced flue gas heater. -
Page 7: Specifications
High PROPANE HI:141.3 16,700 13,400 SPECIFICATIONS Type of Appliance Fan Type Direct Vent Wall Furnace Model RHFE-431WTA ENERGY SAVER Width 29 1/2" (750mm) Dimensions Depth 9 13/16" with back spacer (250mm with back spacer) Height 21 13/16" (554mm) Weight Approx. 51 lbs. - Page 8 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...
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Page 9: 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 10 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 31. times.
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Page 11: Getting To Know Your New Rhfe-431
GETTING TO KNOW YOUR NEW RHFE-431 DISPLAY TEMPERATURE/ WARM AIR OUTLET TIMERS 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 12: Control Panel/Led Display
CONTROL PANEL Clock: used to set the current Select: When programing the Timers: used to carry time and day.(refer to page 24). timers, this button is used to select out timer programing and confirm day, time and and confirm all temperature settings. -
Page 13: Cut-Away Diagram
CUT-AWAY DIAGRAM – 11 –... -
Page 14: 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 15: 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 16: 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 17: 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 18: 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 – 16 –... -
Page 19: 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 20 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.
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Page 21: 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 22 5. Check rubber seal is in place on terminal. Terminal seal *For weather board walls, add spare rubber seal (Add "weather board" seal here) provided to compensate for weather board angle. 6. Installation of Terminal "TOP" mark "A" From outside, insert terminal into sleeve with the “A” Label mark at the top.
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Page 23: 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 Inlet hose Manifold Flue outlet Sliding tube Hose clip Hook Detail of Hose clip... - Page 24 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.
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Page 25: Operating Instruction Label
OPERATING INSTRUCTION LABEL ENERGYSAVER RHFE-431WTA 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 26: Setting The Clock
SETTING THE CLOCK TO OPEN THE CONTROL PANEL Lift lightly in the center of the lid. The control panel lid will then drop backward to an angle. Note: When the appliance is first plugged in or after a power failure longer than 24 hours the display will show “PF”. -
Page 27: Operating The Heater Manually
OPERATING THE HEATER MANUALLY To turn the heater ON: ON/OFF Press the “ON/OFF” button. Check to see if the “Man” or “Auto” indicator is displayed: indicator If the “Auto” indicator is displayed Room Frost Auto then press the “Auto” button. The indicator will change to “Man”. -
Page 28: Programable Weekly Timer
PROGRAMABLE WEEKLY TIMER The Rinnai 431WTA features a weekly timer which allows four separate time periods, each with its own temperature, to be set. These periods can be programed differently for each day of the week, or for a group of days: weekdays, weekends or all days of the week together. - Page 29 PROGRAMING THE WEEKLY TIMERS The following is a general outline of the setting options and procedures avaliable when programing the weekly timers. A detailed step-by-step example is given on pages 28 to 29. Note: Before programing the current time and day must be set. See page 24 for instructions. The weekly timers can be easily programed by following the steps illustrated below: Press the “Timers”...
- Page 30 PROGRAMING THE TIMERS : EXAMPLE Note: Before programing the timers, the clock must be set to the correct time(see page 24). The following is a step by step guide to programing the timers by an example schedule. A general outline for programing the timers is provided on page 26. If programing is paused for longer than 2 minutes the display will return to the current time, and all programing up to that stage will be lost.
- Page 31 PROGRAMING THE TIMERS : EXAMPLE cont... Programming Press the “ ” button to set the pre-set temperature to 76 F(remember, we are Timers Clock Select Select Tu We Th Fr Program using the example schedule on page 28). Temp Press the “Select” button again. Now the Programming period indicator will flash and the time...
- Page 32 WEEKLY TIMER REVIEW FUNCTION This function lets you review all of the programed Weekly Timer settings(times and temperatures) without the option of adjusting these settings, removing the danger of accidently changing the program. This is a quick way to review the Weekly Timer program before operating the timers. To enter the Weekly Timer Review mode: NOTE: If the heater is left in “Timer Review Mode”...
- Page 33 YOUR WEEKLY TIMER PROGRAM Points to consider before writing your program: When do I want the heater to operate, and what temperature do I want? When do I not want the heater to operate? Will I use the same settings for everyday day of the week, or do I need a separate program for the weekdays, and the weekend? Do I need a separate setting for each day of the week? Points to remember when writing your program: The four periods are set within a 24 hour time span.
- Page 34 OPERATING THE TIMERS Before operating the timers, please check the following points: The clock must be set to the current time and day - refer to page 24 for clock setting procedure. You may want to enter your own timer program. See page 26 for an overview of how the timers work, and page 27 for an explaination of how to set the timers.
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Page 35: Override Function
OVERRIDE FUNCTION This function is used when the heater is in “Auto” mode(timer operation). It allows you to “Override” the preset timer setting until the beginning of the next period. For example, if the heater is ON, pressing the “Override” button will turn it OFF until the next priod. If the heater is OFF, pressing the “Override”... -
Page 36: Frost Protection
FROST PROTECTION This function allows a minimum room temperature to be pre-set, between 38 F and 60 F. Once the Frost Protection function is selected the appliance will start heating whenever the room temperature falls below the selected temperature, regardless of timer or manual settings. In addition this function can be used to protect the elderly of infirm who may suffer from hypothermia. -
Page 37: Energy Saving Mode
ENERGY SAVING MODE The Economy mode can only be set while the heater is operating (heating), but once set it will remain in the system memory until deactivated. To turn on the Economy mode: Note: The Economy Mode may only be set while the heater is operating(heating). Press the “Eco”... -
Page 38: Function Lock
FUNCTION LOCK The Function Lock will help to prevent accidental operation of the appliance as well as children from altering the controls. To activate the Function Lock: Press the “ ” and “ ” buttons Programming Room at the same time. The “Function Clock Select Timers... -
Page 39: Testing/Check
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 40: Pre-Service Check
Even after unit has cooled down the heater does not ignite again. Repair is Heater will not re-ignite after overheating. necessary. Contact your local agent or Rinnai for a Service call. I When the unit is turned off. This is to remove the residual heat from the heat exchanger, the fan will stop Convection fan continues to run after when the heater cools down. -
Page 41: Trouble Shooting
TROUBLE SHOOTING Your RHFE-431WTA requires very little maintenance, simply clean the rear fan filter as needed and wipe the outer case and louver section with a damp cloth. Problem Remedy Cause Not Plugged In Plug In Re-ignite manually after Power Cut... -
Page 42: Error Messages
In all cases, you may be able to clear the Error Message simply by turning the heater OFF, then ON again. If the Error Message still remains or returns on the next operation, contact Rinnai or your nearest service agent and arrange for a service call. -
Page 43: 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 44: Wiring Diagram
WIRING DIAGRAM – 42 –... -
Page 45: 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 46 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.
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Page 47: Schematic Diagram/Parts List
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Page 52: Parts List
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Page 57: Rhfe-431Wta Flow Diagram
FLOW DIAGRAM 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 Warm Air Gas Inlet Solenoid Valve No.2 Injector Damper... -
Page 58: Extended Flue Pipe Kit
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 59 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 60 I TYPES COMPATIBLE WITH EXTENSION SET 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. Similarly, the exhaust line is connected between the joint pipe at the rear of the heater, and the exhaust port on the Flue pipe.
- Page 61 2. How to connect air intake hose Air intake hose Air intake hose Hose joint Screw in counterclockwise Air intake elbow Main unit air intake hose Screw hose joint half of its length onto the air intake hose, then screw another air intake hose into the joint. The hose can be cut to the required length.
- Page 62 3. Condensed water formed by combustion, will run back to the unit, and may overflow from the condensation pan if pipes are 3˚ slope(approximate) longer then 8 feet. Therefore, pipes exceeding these lengths should be made to drain to the outside by giving their horizontal portions 3˚...
- Page 64 Register your product at www.rinnairegistration.com or call 1-866-RINNAI1 (746-6241) 431F-1720 08(00) Printed in Japan 2008.09 – 62 –...