rinnai infra-red heaters infra-red heater... · rinnai infra-red heaters 2012 troubleshooting...

Rinnai Infra-Red

Heaters

2012

Troubleshooting

Manual

02202013GW

WARNING

There are a number of live tests that are required when fault finding this product. Extreme care should be used

at all times to avoid contact with energized components inside the furnace.

You MUST be a qualified service person before proceeding with these test instructions.

Before checking resistance readings, turn off power source to unit and then isolate each item to be checked from

the circuit by unplugging it.

When setting gas pressures on one of these units, please check the complete model number you are trouble-

shooting. Gas pressures and dip switches can vary among models. Always check the rating plate for complete

information and follow directions.

If any of the original wire as supplied with the appliance must

be replaced, it must be replaced with type 18 AWG wire or its

equivalent.

Label all wires prior to disconnection when

servicing controls. Wiring errors can cause

improper and dangerous operation.

CAUTION

Code LimitationsCheck Federal, State and local codes in your state, before using vent-free products. Some areas of the country do not allow vent-free products.

International Fuel Gas Code Standard 620-6 “Prohibited Use” states that; “One or more unvented room heaters shall not be used as a sole source of comfort heating in any dwelling unit”. Refer to the International Fuel Gas Code and International Fuel Gas Standard, Charter 6, section 6-11, standard 620-2 for conformation of the above statement.

Code pertaining to bathroom installations. Refer to the 2000 International Fuel Gas Code, section 303.3 “Prohibited locations”. under Exception 3. for prohibited use when installing unvented heaters in a bathroom. It states, “A single wall mounted unvented room heater equipped with an oxygen depletion safety shutoff system and installed in a bathroom provided that the input rating does not exceed 6000 Btu per hour (1.76kW) and the bathroom is not a confined space”.

Code pertaining to bedroom installations. Refer to the 2000 International Fuel Gas Code, section 303.3 “Prohibited locations”. under Exception 4. for prohibited use when installing unvented heaters in a bedroom. It states, “A single wall mounted unvented room heater equipped with an oxygen depletion safety shutoff system and installed in a bedroom provided that the input rating does not exceed 10,000 Btu per hour (2.93kW) and the bedroom is not a confined space”.

You are responsible for ensuring the product being installed meets all building codes. Please check with local code officials if you have any questions related to vent-free products.

Vent-Free heaters six thousand Btu’s or less may be installed in bathrooms where local codes allow. Heaters installed in a bathrooms MUST be wall mounted.

Vent-Free heaters ten thousand Btu’s or less may be installed in bedrooms/sleeping quarters where State codes allow. Heaters installed in a bedrooms/sleeping quarters MUST be wall mounted.

Equator SeriesREH-6 and REH-6-T

Ledger Plate Explanation, Optional Items Offered, Warranty

The letter T in the model number indicates the unit is equipped with a thermostat.

The number in the model number indicates the Btu’s of the product, the above unit is six thousand Btu’s.

The letters “REH” indicates this is a “Rinnai Export Heater”.

The REH6-T unit uses an optional base, model number SO-001-0461

The REH-6 unit uses an optional base, model number REH6-100-3 or SO-001-0461

The REH6-T unit uses an optional fan, model number REH18-60 or REH10-50.

The REH-6 unit uses an optional fan, model number REH18-60 or REH10-50.

Suitable for use in bathrooms as long as local or state codes allows vent-free heaters. Heaters installed in bathrooms must be wall mounted.

This product carries a three year parts and labor warranty.

Specification for the Equator SeriesREH6 and REH6-T

Btu output 6,000

Efficiency 99.9%

Dimensions Height 20 3/8” Depth 7 ¼”Width 13 5/16”

Weight 15 Lbs.

Clearances Front 48”Side 6”Top 36”Bottom 4”Back 0”

Gas inlet connection 3/8” FNPT

Vent-Free heaters six thousand Btu’s are less may be installed in bathrooms where local codes allow.

Equator SeriesREH-10 and REH10-T

Ledger Plate Explanation, Optional Items Offered, and Warranty


The number in the model number indicates the Btu’s of the product, the above unit is ten thousand Btu’s.


The REH10-T unit uses an optional base, model number SO-001-0461.

The REH-10 unit uses an optional base, model number REH6-100-3 or SO-001-0461.

The REH10-T unit uses an optional fan, model number REH18-60 or REH10-50.


Suitable for use in bedrooms as long as local or state codes allows vent-free heaters. Heaters installed in bedrooms must be wall mounted.


Specification for the Equator SeriesREH10 and REH10-T

Btu output 10,000

Efficiency 99.9%

Dimensions Height 20 3/8” Depth 7 ¼”Width 13 5/16”

Weight15 Lbs.



Vent-Free heaters ten thousand Btu’s are less may be installed in bedrooms/sleeping quarters where State codes allow.

Bantam SeriesREH-18 and REH18-T



The number in the model number indicates the Btu’s of the product, the above unit is eighteen thousand Btu’s.


The REH18-T unit uses an optional base, model number REH19D-150-3 or SO-001-0461.

The REH-18 unit uses an optional base, model number REH19D-150-3 or SO-001-0461.

The REH18-T unit uses an optional fan, model number REH18-161.



Specification for the Bantam SeriesREH18 and REH18-T

Btu output 18,000

Efficiency 99.9%

Dimensions Height 19 5/8”Depth 8 3/8”Width 22 13/16”

Weight 19 Lbs.



Vent-Free heaters over ten thousand Btu’s are not allowed to be installed in bathrooms or bedrooms/sleeping quarters.

Bantam SeriesREH-25 and REH25-T



The number in the model number indicates the Btu’s of the product, the above unit is twenty-five thousand Btu’s.


The REH25-T unit uses an optional base, model number REH19D-150-3 or SO-001-0461.

The REH-25 unit uses an optional base, model number REH19D-150-3 or SO-001-0461.

The REH25-T unit uses an optional fan, model number REH18-161.The letters REH indicates this is a “Rinnai Export Heater”.



Specification for the Bantam SeriesREH25 and REH25-T

Btu output 25,000

Efficiency 99.9%

Dimensions Height 19 5/8”Depth 8 3/8”Width 27”

Weight 21.8 Lbs.




Tropic SeriesREH-20D and REH20D-T



The number in the model number indicates the Btu’s of the product, the above unit is twenty thousand Btu’s.


The REH20D-T unit uses an optional base, model number REH19D-150-3 or SO-001-0461.

The REH-20D unit uses an optional base, model number REH19D-150-3 or SO-001-0461.

The REH20D-T unit uses an optional fan, model number REH19D-200 or REH18-60 or REH10-50

The REH-20D unit uses an optional fan, model number REH19D-200 or REH18-60 or REH10-50

This product carries a four year parts and labor warranty.

Specification for the Tropic SeriesREH20D and REH20D-T

Btu output 20,000

Efficiency 99.9%


Weight28 Lbs.




Tropic SeriesREH-30D and REH30D-T



The number in the model number indicates the Btu’s of the product, the above unit is thirty thousand Btu’s.


The REH30D-T unit uses an optional base, model number REH19D-150-3 or SO-001-0461.

The REH-30D unit uses an optional base, model number REH19D-150-3 or SO-001-0461.

The REH30D-T unit uses an optional fan, model number REH19D-200 or REH18-60 or REH10-50

The REH-30D unit uses an optional fan, model number REH19D-200 or REH18-60 or REH10-50.

This product carries a four year parts and labor warranty.

Specification for the Tropic SeriesREH30D and REH30D-T

Btu output 30,000

Efficiency 99.9%


Weight31.5 Lbs.




Glo-Ray SeriesREH-15DF and REH15DF-TLedger Plate Explanation, Optional Items Offered, and Warranty


The number in the model number indicates the Btu’s of the product, the above unit is fifteen thousand Btu’s.


The REH15DF-T unit comes with the optional base kit used for floor mounting.

The REH-15DF unit comes with the optional base kit used for floor mounting.

The REH15DF-T unit comes with a squirrel cage blower.

The REH-15DF unit comes with a squirrel cage blower.

This product carries a five year parts and labor warranty.

Specification for the Glo-Ray SeriesREH15DF and REH15DF-T

Btu output 15,000

Efficiency 99.9%

Dimensions Height 21”Depth 7 13/16”Width 24 7/16”

Weight 32.8 Lbs.




Glo-Ray SeriesREH-20DF and REH20DF-TLedger Plate Explanation, Optional Items Offered, and Warranty


The number in the model number indicates the Btu’s of the product, the above unit is twenty thousand Btu’s.


The REH20DF-T unit comes with the optional base kit used for floor mounting.

The REH-20DF unit comes with the optional base kit used for floor mounting.

The REH20DF-T unit comes with a squirrel cage blower.

The REH-20DF unit comes with a squirrel cage blower.

This product carries a five year parts and labor warranty.

Specification for the Glo-Ray SeriesREH20DF and REH20DF-T

Btu output 20,000

Efficiency 99.9%

Dimensions Height 21”Depth 7 13/16”Width 24 7/16”

Weight 32.8 Lbs.




Azure SeriesREH-10 BF-T and REH20BF-T



The number in the model number indicates the Btu’s of the product, the above units are ten and twenty thousand Btu’s.

The letters “BF” stand for “Blue Flame”.


The REH10BF-T unit uses an optional base, model number SO-001-0461.

The REH-20BF-T unit uses an optional base, model number SO-001-0461.

The REH10BF-T unit uses an optional fan, model number REH18-60 or REH10-50.

The REH-20BF-T unit uses an optional fan, model number REH18-60 or REH10-50.


Specification for the Azure SeriesREH10BFT

Btu output 10,000

Efficiency 99.9%


Weight 21.5



Vent-Free heaters ten thousand Btu’s are less may be installed in bedrooms/sleeping quarters where State codes allow.

Specification for the Azure SeriesREH20BFT

Btu output 20,000

Efficiency 99.9%


Weight 21.5




Pilot Cleaning Instructions for the Equator, Bantam, Tropic, and Glo-Ray Heaters

In order to properly clean the Rinnai pilot orifice and air venturi you mustfollow the procedure below.

NOTE; Service must be performed by a qualified installer, Service agency or gas technician.

First remove the pilot gas line from the pilot burner. Then using 120 psiof compressed air from an air com-presser blow through the pilot orificein the same direction as the gas flows through this assembly. See arrow to the left indicating direction of flow. DO NOT blow air through the gas supply line to the pilot assembly.

Next you will need to blow through the air venturi on the bottom side of the pilot assembly with 120 psi of compressed air, as above. See arrow to the left for location of the Air venturi.

Note; The above procedure is only recommended for Rinnai heaters. Contact the product manufacturer for other brands of product for their pilotcleaning instructions.

Explanation of how the Oxygen Depiction

System Operates (ODS Pilot Assembly)

Proper Procedure for Checking Screw-in Type Thermocouples

NOTE; Service must be performed by a certified installer, service agency or gas technician.

Thermocouple checking procedure for “Screw in type thermocouple):

Set your voltage meter to a DC milli-volt scale. This scale should be able to read above 35 milli-volts. Place the red lead of your meter to the copper dome part of the thermocouple that screws up inside the gasvalve, place the black lead to the copper lead to the thermocouple as shown in the picture below. Now apply heat to the thermocouple thatcomes into contact with the pilot flame. If the thermocouple is good, youwill see the milli-volt output start to increase. Maximum output will bebetween 20 – 30 milli-volts. After you have eliminated the thermocoupleas the source of the problem, proceed with cleaning the pilot assembly.

Proper Procedure for Checking Plug-in Type Thermocouples


Thermocouple checking procedure for “Plug in type thermocouple):

Set your voltage meter to a DC milli-volt scale. This scale should be able to read above 40 milli-volts. Place one lead of your meter into each receptacle of the thermocouple plug as shown in the picture below. Now apply heat to thethermocouple that comes into contact with the pilot flame. If the thermocouple is good, you will see the milli-volt output start to increase. Maximum output will bebetween 20 – 30 milli-volts. After you have eliminated the thermocoupleas the source of the problem, proceed with cleaning the pilot assembly.

The magnetic unit can be checked for proper operation on all non-thermostat gas control valves, manually operated valves.

The magnetic unit in thermostat units can not be checked by following the procedure below. DO NOT remove mag units from thermostat model units. The thermostat gas valve is not field serviceable.


Proper procedure for checking the magnetic unit, (Screw-in and Plug-in) types.

Shut off the gas supply system to the appliance. Remove the magnetic unit from the gas valve. Once it has been removed reconnect the thermocouple to the magnetic unit. Then apply heat to the thermocouple while holding down on the spring loaded plunger of the magnetic unit. See picture below of magnetic unit. Hold the plunger down until it bottoms out for thirty seconds at the same time heat is being applied to the thermocouple. After thirty seconds release the plunger. If the plunger stays down the magnetic unit is good. After a few seconds the plunger will release and spring back out. If the plunger fails to stay down, it’s defective and will have to be replaced.

Checking Magnetic Units in Gas Control Valves

Magnetic UnitMagnetic unit

ThermocoupleScrew-in type

ThermocouplePlug-in type

Infra-Red Heater Burner Cleaning Instructions

NOTE; Service must be performed by a qualified installer, Service agency or gas technician.

Remove the unit from the structure before performing this procedure due to the dust created by the cleaning process. In order to properly clean the burner on Rinnai Vent-Free Radiant Heaters you will need an air gun or nozzle. You will then blow directly into the burner plaques from roughly six inches away. Take time to blow through each of the holes in the plaques. This procedure will take about three minutes if done properly. After blowing the burner out, fire the unit up and let it operate for two minutes. Shut the unit down and repeat the above procedure three additional times. Problems caused by dirty burners such as, humming and/or air noises, dull plaques, and over burning at the top of the plaques will be eliminated by following the above procedure. Units that are serviced annually as stated in the owner’s manual normally do not encounter these problems. If the burner has to be replaced, you will need to replace the entire burner assembly. Rinnai does not allow replacement of single plaques.

Blow 120 psi of compressed air directly into the burner plaques from six inches away. DO NOT, use low pressure blowers.

Servicing Vent-Free Product

There’s only four components that can fail on Infra-Red Heaters, these are the;

1. Regulator on the appliance – You can check this component by checking to see if you have the proper inlet gas pressure on the outlet side of the regulator or the pressure to the pilot assembly when the handle is pushed down to allow gas to the pilot. The inlet pressure should be 6 – 10” W.C. for natural gas units and 10 – 13” of water column (W.C.) on propane gas. The regulator on ALL vent free heaters is not adjustable. DO NOT attempt to adjust the regulator, the adjustment screw has been sealed at the factory to prevent it from being altered. Tampering with the regulator will void the unit’s warranty and could cause serious bodily injury, death, or fire.

2. Gas control valve – The gas valve can be checked by verifying the manifold gas pressure listed in the Owner’s manual of the unit being serviced. All manual gas control valves have the above regulator built into the gas control assembly. If you determine the gas control valve to be defective, the entire assembly must be replaced.

Servicing Vent-Free Product

3. Burner Assembly – First before replacing a burner inspect it for cracks in the plates. If no cracks are found, blow out the burner assembly with 100 psi of compressed air. Hold the air nozzle out six inches from the burner plate surface and blow directly into each hole in the burner surface. Take time to ensure each hole is blown out. After blowing out the burner, fire the unit up for one minute, shut the unit down and repeat the above procedure. Do this procedure three times. In most cases this will make most burners function as new again. Low pressure blowers will not clean the burner plates properly. It is a good idea to blow out around all orifices during this process also.

4. Pilot Assembly – This component is replaced most often by servicemen. Over 99% of all pilot assemblies that are replaced are not defective. Please follow the pilot cleaning instructions in this booklet before replacing a pilot assembly. Dust balls build up inside the pilot burner blocking the air/gas flow through the pilot. One good way to tell if your pilot needs cleaning is to turn the lights off in the room. Look at the pilot flame with the lights out. If the flame appears yellow at the tip or it seems to turn up such as a dog’s tail, that’s a good indication the pilot needs to be blown out. If the pilot is properly cleaned, you may never have to replace another pilot assembly on a Rinnai heater.

Web Site Information

Please visit our web site at www.rinnai.usfor addition information on all of our

products.

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