Rinnai RHFE-551FA Service Manual

Direct vent heater

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Service manual (68 pages)

Owner's manual (68 pages)

Table Of Contents

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Table of Contents

Quick Links

Troubleshooting

Summary of Contents for Rinnai RHFE-551FA

Page 1 Direct Vent Service Manual RHFE-551FA RHFE-1001FA RHFE-1001FA/VA RHFE-201FA RHFE-263FA, FAII RHFE-431FA, FAII, FAIII, WTA RHFE-556FA, FAII, FAIII, FTRA, FTRAIII, WTA RHFE-1004FA ES08 RHFE-201RFA ES11 RHFE-263RFA ES17 RHFE-433RFA EX17 RHFE-433RWTA ES22 RHFE-558RFA EX22 RHFE-558RWTA ES38 RHFE-1004RFA, RHFE-1004FTA EX08C RHFE-202FTA EX11C RHFE-265FTA...
Page 2: Table Of Contents
Serial Number Format ........... 111 Troubleshooting (551FA) ........43 Fault Finding Charts ..........45 Wiring Diagram (551FA) ........55 Troubleshooting (1001FA) ........56 Fault Finding Charts ..........58 Wiring Diagram (1001FA) ........61 Troubleshooting (1001FA/VA) ......62 Rinnai Direct Vent Service Manual...
Page 3: General Information
• Conversion Manual • Technical Bulletins Technical Support Technicians are available to assist in servicing issues. Contact Rinnai Technical Services at 1-800-621-9419. Recommended Tools • Volt/Ohm/Amp meter with test probes • U tube type manometer with 14 inch water column (W.C.) scale, two hoses and two 1/8 inch taps •...
Page 4: Specifications
Specifications Rinnai Direct Vent Service Manual...
Page 5 Specifications Rinnai Direct Vent Service Manual...
Page 6: Sequence Of Operations
6. Fresh air for combustion is drawn from outside and exhaust air is eliminated to the outside. Moisture coming from the vent outside is normal as most high efficient units produce moisture. Rinnai Direct Vent Service Manual...
Page 7: Fault Isolation
The temperature display will show “1” and then show the most recent fault code. A “2” will then be displayed followed by the second most recent fault code. The 10 most recent fault codes will be displayed in this manner. Rinnai Direct Vent Service Manual...
Page 8 (1 1 0 0 1 0 0 0 0 0 1 1 0 0 0 1 in the example above.) 3. Press the decimal function, “DEC”, and multiply the displayed number by 10 to obtain the combustion cycles. The combustion cycles in this example is 512,490. Rinnai Direct Vent Service Manual...
Page 9: Fault Isolation Codes
Room Room temperature Check the circuit. (troubleshooting) Temperature thermistor circuit is Thermistor open Disconnection 76 80 Room Room temperature Check the circuit. (troubleshooting) temperature thermistor wire is thermistor short trapped or touching circuit bare metal. Rinnai Direct Vent Service Manual...
Page 10 Check the flue and termination for proper signal is below its limit. installation and blockage. 60 64 68 Flue Block Flue blockage has Check the flue and termination for proper 72 76 been detected based installation and blockage. on fan speed. Rinnai Direct Vent Service Manual...
Page 11: Fault Isolation - Other Issues
This is normal. Unit shuts off without apparent reason. Check whether filters are blocked. Dirty filters will cause the heater to overheat. Power Failure Switch OFF, then ON again when power is restored to re-set controls. Rinnai Direct Vent Service Manual...
Page 12: 201Fa, 201Rfa Troubleshooting
(Connector G) DC Motor 37VDC 8 Watts Read voltage across: Voltage Potential Read resistance Pin Numbers Black-White 7-12 VDC 8K-10K Ω Pin #7-8 Yellow-White 4-5 VDC 4K-6K Ω Pin #4-8 Red-White 10-30 VDC Pin # 3-8 Rinnai Direct Vent Service Manual...
Page 13 Before replacing components in furnace, insure the above items are within the specifications. The above listed items are not a warranty issue or defect in unit. Rinnai Direct Vent Service Manual...
Page 14: Wiring Diagram
Wire Diagram RHFE-201FA RHFE-201RFA Rinnai Direct Vent Service Manual...
Page 15: Ladder Diagram
Ladder Diagram RHFE-201FA RHFE-201RFA Rinnai Direct Vent Service Manual...
Page 16: 263Fa, 263Faii, 263Rfa Troubleshooting
*Resistance across each coils terminals should be 1400-2000 Ω when isolated. (BL) Combustion Fan Motor: (Connector CN8) DC Motor 37VDC 8 Watts Read voltage across: Voltage Potential Read resistance Pin Numbers Black-White 7-12 VDC 8-10 KΩ Yellow-White 4-5 VDC 4-6 KΩ Red-White 10-30 VDC Rinnai Direct Vent Service Manual...
Page 17 Disconnect CN11 from PCB, being careful not to break wires. Read Blue to Blue, pin #9 and 10 on 40KΩ . When ON/OFF is in the ON position, you should read 10--18KΩ. When released, you should read open or 0 Ω Wiring harness, connectors, and fuses should be checked if all above readings are normal. Rinnai Direct Vent Service Manual...
Page 18: Wiring Diagram
Wire Diagram RHFE-263FA RHFE-263FAII RHFE-263RFA Rinnai Direct Vent Service Manual...
Page 19: Ladder Diagram
Ladder Diagram RHFE-263FA RHFE-263FAII RHFE-263RFA Rinnai Direct Vent Service Manual...
Page 20: 202Fta, 265Fta Troubleshooting
DC3 - 7V Transformer 60Hz-120V Gray - Gray AC108-132V, 5-20Ω White - White AC95-120V, 5-20Ω Red - Red AC20-40V, 0.5-2.0Ω Brown - Brown AC10-30V, 1-5Ω Black - Blue AC10-30V, 1.0-3.0Ω Black - Yellow AC200-240V, 200-450Ω Rinnai Direct Vent Service Manual...
Page 21: Wiring Diagram
THERMAL FUSE CONVECTION FAN MOTOR FUSE SPARKER white ELECTRODE SV1, 2 MAIN SOLENOID VALVE 1, 2 yellow MODULATING SOLENOID COMBUSTION FAN MOTOR VALVE gray TRANSFORMER PRESSURE SENSOR orange FLAME ROD brown w bk Rinnai Direct Vent Service Manual...
Page 22: Ladder Diagram
Thermal fuse Convection fan motor Fuse Sparker Electrode SV1, 2 Main solenoid valve 1,2 Modulating Combustion fan solenoid valve motor Transformer Fan control circuit Flame rod Main burner Pressure sensor Central processing unit Convection Fan Rinnai Direct Vent Service Manual...
Page 23: 431Fa Series, 556Fa/Ftra Series Troubleshooting
11.5 VDC high fire Black - Yellow 85 - 90 VDC 1,300 - 2,000 ohms 31 - 34 *Remember, when reading the resistance of a solenoid coil, you should read across the lugs on the coil. Rinnai Direct Vent Service Manual...
Page 24 If carbon is found on the flame rod, remove and clean carbon from rod. Then you will need to confirm manifold gas pressure, proper air dampers and ensure vent is clear. Also, check for proper orifices. Rinnai Direct Vent Service Manual...
Page 25 30 to 40 MPH causing turbulence inside the vent terminal, etc. Rinnai Direct Vent Service Manual...
Page 26: Wiring Diagrams 431Fa Series, 556Fa/Ftra
Wire Diagram RHFE-431FA Series RHFE-556FA/FTRA Rinnai Direct Vent Service Manual...
Page 27: 556Faiii
Wire Diagram RHFE-556FAIII Rinnai Direct Vent Service Manual...
Page 28: 556Ftraiii
Wire Diagram RHFE-556FTRAIII Rinnai Direct Vent Service Manual...
Page 29: 431Wta, 556Wta Troubleshooting
#32) on your 40 VDC scale. You should read between 4 - 5 VDC. During the spark this voltage will drop to approximately 0 VDC. Once unit ignites the voltage will go back up to 4 - 5 VDC. Rinnai Direct Vent Service Manual...
Page 30 Then apply ice to the thermistor bulb and the resistance should increase. Pins 5 and 6 on the P.C. board. EXAMPLES: 41 ºF = 91 k ohms 50 ºF = 65 k ohms 68 ºF = 39 k ohms 86 ºF = 23 k ohms Rinnai Direct Vent Service Manual...
Page 31 30 to 40 MPH causing turbulence inside the vent terminal, etc. Rinnai Direct Vent Service Manual...
Page 32: Wiring Diagrams (431Wta)
Wire Diagram RHFE-431WTA Rinnai Direct Vent Service Manual...
Page 33: Wiring Diagrams (556Wta)
Wire Diagram RHFE-556WTA Rinnai Direct Vent Service Manual...
Page 34: Troubleshooting
LP: 70Hz, NG: 69Hz Ignitor Red - Blue 90-120V Black-Yellow 80-100V, 1.5-2.5kΩ Modulating Gray-Gray DC6-16V（Low-High), 80-90Ω Valve Convection Fan Red - Black 56-75V, 90-180Ω 56-94V, 90-180Ω Pressure Sensor Red - White DC3 - 7V Transformer Same as 263FAII Rinnai Direct Vent Service Manual...
Page 35: Wiring Diagram
OVER HEAT SWITCH 1, 2, 3 green THERMAL FUSE CONVECTION FAN MOTOR gr/y green/yellow FUSE SPARKER ELECTRODE SV1, 2 MAIN SOLENOID VALVE 1, 2 white MODULATING SOLENOID COMBUSTION FAN MOTOR yellow VALVE TRANSFORMER PRESSURE SENSOR gray FLAME ROD orange Rinnai Direct Vent Service Manual...
Page 36: Ladder Diagram
Ladder Diagram RHFE-433RFA RHFE-558RFA Rinnai Direct Vent Service Manual...
Page 37: 433Rwta, 558Rwta Troubleshooting
Red - Blue 90-120V Black-Yellow 80-100V, 1.5-2.5kΩ Modulating Gray-Gray DC6-16V（Low-High), 80-90Ω Valve 56-75V 56-94V Convection Fan Red - Black 90-180Ω 90-180Ω Pressure Sensor Red - White DC3 - 7V Transformer Same as 431WTA Same as 556WTA Rinnai Direct Vent Service Manual...
Page 38: Wiring Diagram
OVER HEAT SWITCH 1, 2, 3 green THERMAL FUSE CONVECTION FAN MOTOR gr/y green/yellow FUSE SPARKER ELECTRODE SV1, 2 MAIN SOLENOID VALVE 1, 2 white MODULATING SOLENOID COMBUSTION FAN MOTOR yellow VALVE TRANSFORMER PRESSURE SENSOR gray FLAME ROD orange Rinnai Direct Vent Service Manual...
Page 39: Ladder Diagram
Ladder Diagram RHFE-433RWTA RHFE-558RWTA Rinnai Direct Vent Service Manual...
Page 40: 434Fta, 559Fta Troubleshooting
DC3 - 7V Transformer 60Hz-120V Gray - Gray AC108-132V, 5-20Ω White - White AC95-120V, 5-20Ω Red - Red AC20-40V, 0.5-2.0Ω Brown - Brown AC10-30V, 1-5Ω Black - Blue AC10-30V, 1.0-3.0Ω Black - Yellow AC200-240V, 200-450Ω Rinnai Direct Vent Service Manual...
Page 41: Wiring Diagram
THERMAL FUSE CONVECTION FAN MOTOR gr/y green/yellow FUSE SPARKER ELECTRODE SV1, 2 MAIN SOLENOID VALVE 1, 2 white MODULATING SOLENOID COMBUSTION FAN MOTOR VALVE yellow TRANSFORMER PRESSURE SENSOR gray FLAME ROD orange brown w bk Rinnai Direct Vent Service Manual...
Page 42: Ladder Diagram
Ladder Diagram RHFE-434FTA RHFE-559FTA Rinnai Direct Vent Service Manual...
Page 43: 551Fa, 1001Fa, 1001Fa/Va Troubleshooting (551Fa)
Check from the white wire in the molex connector at the Brown -------------------- ignitor transformer to ground. You should read 1.5 - 1.8 85 - 95 VDC VDC when the unit is trying to ignite. Purple -------------------- Rinnai Direct Vent Service Manual...
Page 44 Check from both white wires to failure, shut the power off to the unit and 9 - 12 VDC ground to ensure circuit is jump out this switch. Restart unit. If it complete. functions, replace air pressure switch. Rinnai Direct Vent Service Manual...
Page 45: Fault Finding Charts
Fault Finding Summary RHFE-551FA Rinnai Direct Vent Service Manual...
Page 46 Fault Finding Chart 1 RHFE-551FA Rinnai Direct Vent Service Manual...
Page 47 Fault Finding Chart 2 RHFE-551FA Rinnai Direct Vent Service Manual...
Page 48 Fault Finding Chart 3 RHFE-551FA Rinnai Direct Vent Service Manual...
Page 49 Fault Finding Chart 4 RHFE-551FA Rinnai Direct Vent Service Manual...
Page 50 Fault Finding Chart 5 RHFE-551FA Rinnai Direct Vent Service Manual...
Page 51 Fault Finding Chart 6 RHFE-551FA Rinnai Direct Vent Service Manual...
Page 52 Fault Finding Chart 7 RHFE-551FA Rinnai Direct Vent Service Manual...
Page 53 Fault Finding Chart 8 RHFE-551FA Rinnai Direct Vent Service Manual...
Page 54 10 Fault Finding Chart 9 RHFE-551FA Rinnai Direct Vent Service Manual...
Page 55: Wiring Diagram (551Fa)
Wire Diagram RHFE-551FA Rinnai Direct Vent Service Manual...
Page 56: Troubleshooting (1001Fa)
220 VAC (3.5 µF) White - Red = lo speed 95 - 105 VAC 100 - 140 ohms 18 - 26 White - black = hi speed 95 - 105 VAC 42 - 62 ohms 18 - 25 Rinnai Direct Vent Service Manual...
Page 57 Room Temperature Thermistor Yellow - Yellow 10-100 kΩ Flame Rod 0.8 µA or greater Slide Temperature Control White to Black 0-30 kΩ White to Red 0-30 kΩ The resistance will change when the slide is moved. Rinnai Direct Vent Service Manual...
Page 58: Fault Finding Charts
Fault Finding Chart RHFE-1001FA Rinnai Direct Vent Service Manual...
Page 59 Fault Finding Chart RHFE-1001FA Rinnai Direct Vent Service Manual...
Page 60 Fault Finding Chart RHFE-1001FA Rinnai Direct Vent Service Manual...
Page 61: Wiring Diagram (1001Fa)
Wire Diagram RHFE-1001FA Rinnai Direct Vent Service Manual...
Page 62: Troubleshooting (1001Fa/Va)
42 - 62 ohms 27 - 28 (TR1) Transformer: Black - White = primary 110 - 125 VAC 19 - 20 ohms Grey - Grey = secondary 95 - 105 VAC 19 - 20 ohms Rinnai Direct Vent Service Manual...
Page 63 Brown - Ground 13 - 18 VDC 6 - 7 Check from both brown’s to ground to ensure circuit is complete. Room Temperature Thermistor Yellow - Yellow 10-100 kΩ Flame Rod 0.8 µA or greater Rinnai Direct Vent Service Manual...
Page 64: Fault Finding Charts
Fault Finding Chart RHFE1001FA/VA Rinnai Direct Vent Service Manual...
Page 65 Fault Finding Chart RHFE1001FA/VA Rinnai Direct Vent Service Manual...
Page 66 Fault Finding Chart RHFE1001FA/VA Rinnai Direct Vent Service Manual...
Page 67 Fault Finding Chart RHFE1001FA/VA Rinnai Direct Vent Service Manual...
Page 68: Wiring Diagram (1001Fa/Va)
Wire Diagram RHFE-1001FA/VA Wire Diagram Ladder Diagram Rinnai Direct Vent Service Manual...
Page 69: Lockout Check List
Set meter to read 220 VAC, Then insert meter leads into connector. Across the two yellow wires you should read 220 VAC, across the two white wires 15 VAC, and 100 VAC across the two red wires. Rinnai Direct Vent Service Manual...
Page 70 Current on this rod should be 1 to 2 micro amps on start up. There are three total flame rods on these units, and on high 5 to 6 micro amps should be measured. YOU MUST ENSURE UNIT IS GROUNDED !! Rinnai Direct Vent Service Manual...
Page 71: 1004Fa, 1004Rfa, 1004Fta Troubleshooting Information
80-90 Ω (BL) Combustion Fan Motor: (Connector CN8) DC Motor 37VDC 8 Watts Read voltage across: Voltage Potential Read resistance Pin Numbers Black-White 7-12 VDC 8-10 KΩ Yellow-White 4-5 VDC 4-6 KΩ Red-White 10-30 VDC Rinnai Direct Vent Service Manual...
Page 72 Disconnect CN11 from PCB, being careful not to break wires. Read Blue to Blue, pin #9 and 10 on 40KΩ . When ON/OFF is in the ON position, you should read 10--18KΩ. When released, you should read open or 0 Ω Wiring harness, connectors, and fuses should be checked if all above readings are normal. Rinnai Direct Vent Service Manual...
Page 73: Wiring Diagram
Wire Diagram RHFE-1004FA RHFE-1004RFA RHFE-1004FTA Rinnai Direct Vent Service Manual...
Page 74: Ladder Diagram
Ladder Diagram RHFE-1004FA RHFE-1004RFA RHFE-1004FTA Rinnai Direct Vent Service Manual...
Page 75: Lockout Check List
FR3 fire flame rod is the yellow wire located on the front center of the unit next to the electrode. Low fire flame current should be 1.2 to 2.0 micro amps (µ amps). YOU MUST ENSURE UNIT IS GROUNDED !! Rinnai Direct Vent Service Manual...
Page 76: Extension Installation Requirements
• The vent pipe extension must not be concealed per NFPA 54 and must be accessible allowing inspection and repair. Decorative covers are available from Rinnai. • The exhaust elbow assembly attached on the back of the unit SHALL NEVER be straightened.
Page 77 13 feet (4 m), 2 bends If the combined vertical and horizontal extension length is longer than these values, the condensate may overflow the condensation pan. Therefore, extensions exceeding this length should drain and slope 3° downward to the outside. Rinnai Direct Vent Service Manual...
Page 78: Vent Kits And Extension Sets
6 in (154 mm) relative to the appliance. Vent Extensions for the RHFE 1001 and 1004 Series KIT NO. NAME FOT-102 Extension Set - 20” FOT-103 Extension Set - 40” FOT-114 Extension Set - 80” FOT-115 Elbow Set - 90 Degrees Rinnai Direct Vent Service Manual...
Page 79: Vent Extension Covers
For high altitude installations in Canada, the conversion shall be carried out by a manufacturer’s authorized representative, in accordance with the requirements of the manufacturer, provincial or territorial authorities having jurisdiction and in accordance with the requirements of CAN/CGA-B149.1 or CAN/CGA-B149 installation codes. Rinnai Direct Vent Service Manual...
Page 80: Gas Pressure Setting Procedure
(152 mm) (24 mm) (94 mm) (27 mm) Natural 1.7 in 0.6 in 263FAII 2000 - (42 mm) (16 mm) 10,200 ft (610 - 2.7 in 1.1 in Propane 3109 m) (68 mm) (27 mm) Rinnai Direct Vent Service Manual...
Page 81 SW1 switch 2 times, the LED display will display “78”. If the LED shows any thing other than “78” Yellow flames or call Rinnai Technical Support at 1-800-621-9419 orange color for assistance. 18. Press the ON/OFF button again. The LED...
Page 82: 201Rfa, 263Rfa
9. The LED will display the temperature scale. Use the ▲ and ▼ buttons to select the Fahrenheit or Celsius scale. 10. Press the SW1 switch to enter the temperature LED display Set Temp scale into memory. RoomTemp Temp Control Rinnai Direct Vent Service Manual...
Page 83 •check the normal operating sequence orange color •visually inspect the flame •check for gas leaks at the test points Final Assembly 1.Install the front panel and bottom cover. 2. Place the conversion plate (label) on the front cover. Rinnai Direct Vent Service Manual...
Page 84 Manifold test pressure (High) - below 2000 ft 2.3 in (58 mm) W.C. 3.7 in (94 mm) W.C. Manifold test pressure (High) - above 2000 ft 1.7 in (42 mm) W.C. 2.7 in (68 mm) W.C. Rinnai Direct Vent Service Manual...
Page 85: 202Fta, 265Fta
* For the EX11C with natural gas: Use A1, A2, A3, or A4 for venting up to 7 feet (2.1 m) with one elbow. Use A5, A6, A7, or A8 for venting exceeding 7 feet (2.1 m) with one elbow. Rinnai Direct Vent Service Manual...
Page 86 2. If doing a gas type conversion, place the new conversion plate (label) on the front cover. CAUTION When attaching the front panel, do not clip or pinch any of the electrical wires in order to prevent any electrical shock. Rinnai Direct Vent Service Manual...
Page 87: 431Fa/Wta, 556Fa/Wta
This heater has an automatic ignition system. When the main burner has lit, the combustion lamp will glow red, and the spark will stop. Rinnai Direct Vent Service Manual...
Page 88 Yellow flames or an orange color is abnormal and Long, clear, blue, maintenance is required. stable flames Final Assembly Install the front panel and bottom cover. ABNORMAL Flame Rod Yellow flames or orange color Rinnai Direct Vent Service Manual...
Page 89: 433Rfa, 558Rfa
RoomTemp 7. Press the SW1 test button to record the gas type Temp code into memory. The LED will display “F1”. If Control not shown, use the ▲ and ▼ buttons to obtain “F1”. Rinnai Direct Vent Service Manual...
Page 90 •check the normal operating sequence •visually inspect the flame •check for gas leaks at the test points Final Assembly 1.Install the front panel and bottom cover. 2. Place the conversion plate (label) on the front cover. Rinnai Direct Vent Service Manual...
Page 91 4.3 in 2.6 in 2.2 in 2.0 in 1.8 in 3.8 in 3.4 in 3.1 in pressure - (110 mm) (65 mm) (57 mm) (52 mm) (47 mm) (97 mm) (87 mm) (80 mm) W.C. High Rinnai Direct Vent Service Manual...
Page 92: 433Rwta, 558Rwta
(0-610 m) Propane ON for ON for 2001-5200 ft Natural Gas EX17 Celsius (611-1585 m) Propane 5201-7700 ft Natural Gas OFF for OFF for (1586-2347 m) Propane EX22 Fahrenheit (7701-10200 ft) Natural Gas (2348-3109 m) Propane Rinnai Direct Vent Service Manual...
Page 93 2. Place the conversion plate (label) on the front and the spark will ignite the main burner. cover. This heater has an automatic ignition system. When the main burner has lit, the combustion lamp will glow red, and the spark will stop. Rinnai Direct Vent Service Manual...
Page 94 2.6 in 2.2 in 2.0 in 1.8 in 4.3 in 3.8 in 3.4 in 3.1 in pressure - (65 mm) (57 mm) (52 mm) (47 mm) (110 mm) (97 mm) (87 mm) (80 mm) W.C. High Rinnai Direct Vent Service Manual...
Page 95: 434Fta, 559Fta
4.0 in 2.6 in 2.2 in 2.0 in 1.8 in 3.5 in 3.1 in 2.9 in pressure - (101 mm) (65 mm) (57 mm) (52 mm) (47 mm) (89 mm) (80 mm) (72 mm) W.C. High Rinnai Direct Vent Service Manual...
Page 96 2. If doing a gas type conversion, place the new conversion plate (label) on the front cover. CAUTION When attaching the front panel, do not clip or pinch any of the electrical wires in order to prevent any electrical shock. Rinnai Direct Vent Service Manual...
Page 97: 1004Fa
2000 - 10,200 ft 2.70 in 2.0 in 2000 - 10,200 ft 7.3 in 4.3 in (610 - 3048 m) (69 mm) (51 mm) (610 - 3048 m) (185 mm) (109 mm) * Factory Setting * Factory Setting Rinnai Direct Vent Service Manual...
Page 98: 1004Rfa, 1004Fta
14. Press the Economy button to enter the high fire pressure into memory. The LED display will display “78”. If the LED shows any thing other than “78” call Rinnai Technical Support at 1-800-621-9419 for assistance. 15. Press the ON/OFF button again. The LED display turns blank and the appliance returns to the normal OFF mode.
Page 99 ▲ and ▼ to roughly set pressure and then recheck both the low buttons. Press the Economy switch to record into and high fire pressures. memory. Rinnai Direct Vent Service Manual...
Page 100 Visual Inspection of Flame number. If the LED shows any thing else call Check that the burner flames are operating normally. Rinnai Technical Support at 1-800-621-9419 for The flame can be seen through the circular window assistance. through the louvers.
Page 101: Dip Switch Settings
RHFE-556WTA RHFE-556FA / FTRA Series PROPANE PROPANE NATURAL GAS NATURAL GAS RHFE-431FA Series RHFE-431WTA PROPANE PROPANE NATURAL GAS NATURAL GAS The models RHFE-201FA, RHFE-263FA Series, RHFE-551FA, RHFE-1001 Series, and RHFE-1004FA do not have dip switches. Rinnai Direct Vent Service Manual...
Page 102: 433Rfa, 558Rfa (431, 556, 201, 263)
5. Read the micro-amps on the meter for high fire and low fire conditions. NOTE: Volt meters differ in style and configuration. It is the technician’s responsibility to know the tools and how to set up for operations and testing. Rinnai Direct Vent Service Manual...
Page 103: Setting Up The U Tube Manometer
To read the differential pressure, add from zero upward and from zero downward. • Differential pressures must be re-set if the PC board or gas control valve is replaced, or if the appliance is converted for gas type. Rinnai Direct Vent Service Manual...
Page 104: Thermistor
The FGA section of the PC board sends an amplified signal to the main PC board to indicate flame presence, allowing the gas valves to remain open. Alternation current Flame Rod AC 200 volts Direction of AC current PC Board Gas Valve Circuit Solenoid Flame Guard Amplifier Main Burner Rinnai Direct Vent Service Manual...
Page 105: Setting A Maximum Temperature
Loosen the set screw in the brass slide and slide the shutter rod out to the third notch. Rinnai Direct Vent Service Manual...
Page 106: Removal Of "Of" On New Pc Board Installation
ON position. Program the correct low fire and high fire gas pressure settings. Do not adjust gas pressure on this appliance using the screw on top of the gas valve. Rinnai Direct Vent Service Manual...
Page 107 ”PH” pressure. Press the “Economy” button to lock the setting into memory. Your display will flash “78”. 12. You can now power the unit down replace test port screws and check normal operating sequence. Rinnai Direct Vent Service Manual...
Page 108 ”PH” pressure. Press the “Economy” button to lock the setting into memory. Your display will flash “78”. 10. Power down the unit, remove manometer and replace test port screws. You can now verify normal operating sequence. Rinnai Direct Vent Service Manual...
Page 109 “7” to number “1”. This is your Low fan speed. Verify that the pressures on your ma- nometer match your “PL” (Low Fire) settings. You can now proceed to step #12. • Rinnai Direct Vent Service Manual...
Page 110: Wire Diagram Abbreviations
CONVECTION FAN orange OH. TH OVER HEAT THERMISTOR OVER HEAT SWITCH CONVECTION FAN MOTOR SPARKER SOLENOID VALVE COMUSTION FAN MOTOR FAN CONTROL CIRCUIT CENTRAL PROCESSING UNIT MAIN BURNER PRESSURE SENSOR REMOTE CONTROL RECEIVER TERMINAL BLOCK Rinnai Direct Vent Service Manual...
Page 111: Serial Number Format
Example: 03.06-001000 This unit was manufactured in 2003 (03) and the sixth month (June) – (06). On direct vent furnaces manufactured on or after June 1, 2010 the Rinnai serial number will consist of four letters, followed by a dash, followed by six numbers. The first letter indicates the year of manufacture and the second letter indicates the month of manufacture according to the table below.
Page 112 • Residential and Commercial Applications • Internal or External Installation ® • ENERGY STAR qualified models • Pair up with the Rinnai Air Handler for efficient home heating Direct Vent Furnaces • High Efficiency • Vent Terminal A Included • Cool-to-the-touch Cabinet •...

Rinnai RHFE-551FA Service Manual

Fault Isolation

201FA, 201RFA Troubleshooting

263FA, 263FAII, 263RFA Troubleshooting

202FTA, 265FTA Troubleshooting

431FA Series, 556FA/FTRA Series Troubleshooting

431WTA, 556WTA Troubleshooting

433RWTA, 558RWTA Troubleshooting

434FTA, 559FTA Troubleshooting

551FA, 1001FA, 1001FA/VA Troubleshooting (551FA)

1004FA, 1004RFA, 1004FTA Troubleshooting Information

Quick Links

Troubleshooting

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Summary of Contents for Rinnai RHFE-551FA

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