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This document is stored and maintained electronically by 

 

Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”

 

 
 

SERVICE INSTRUCTIONS 

Gas Fireplace & Gas Log Fire 

TM036 

 

Revision: A  

Published: January 08

 

 

 
 
 
 

LHEC30 
RFSDV34 
 
 

 

 
 
 
 

Summary of Contents for Insert Studio LHEC30

Page 1: ...red and maintained electronically by Service All printed copies not bearing this statement in RED are deemed uncontrolled SERVICE INSTRUCTIONS Gas Fireplace Gas Log Fire TM036 Revision A Published January 08 LHEC30 RFSDV34 ...

Page 2: ...nlet Gas Pressure 17 Checking Burner Gas Pressure 17 Adjusting the Pilot Flame 18 Adjusting the Ignition Plug Gap 18 Gas Valve Safety Shutdown Test 18 Fault Indication 18 Error Code 3 19 Error Code 8 19 Fault Diagnosis Sequence General Fault Finding Chart 20 Fault Finding Chart 1 21 Fault Finding Chart 2 22 Fault Finding Chart 2 1 2 2 23 Fault Finding Chart 3 24 Fault Finding Chart 4 26 Fault Find...

Page 3: ...lified person in order to avoid a hazard Introduction The information provided in these instructions is based on the Gas Fireplace or Gas Log Fire being installed in accordance with the Installation Instructions provided with each log fire Should you require further technical advice on a Rheem Vermont Gas Fireplace or Gas Log Fire contact your nearest Rheem Service Department where genuine replace...

Page 4: ... 13 3 ohms Transformer voltages Primary 240 VAC Secondary 115 VAC Thermopile 1 voltage generated 500mVDC Thermopile 2 voltage generated 280mVDC Pilot flame adjustment level 10 13mm vertically high Ignition plug gap 3mm Heater external dimensions mm H 555 W 760 D 430 H 810 W 660 D 495 Weight 44kg 77kg Minimum flue length 3 7m 3m Maximum flue length 10 7m 12m Blocked flue switch cut out temp 132ºC 2...

Page 5: ...earance between a flue and any electrical wiring or fitting telephone cable or communication wiring shall not be less than 75mm where the flue or log fire includes a draught diverter AS5601 clause 5 13 5 7 states that the clearance between a certified twin wall twin skin metal flue and a combustible surface shall be at least 10mm AS5601 clause 5 13 5 8 states that the clearance between a single wa...

Page 6: ... with the log fire MUST be installed The draught diverter has an inbuilt blocked flue safety switch which MUST be wired in series with thermopile circuit 1 by the installing technician The log fire must not be operated unless the draught diverter is installed and the blocked flue switch wired as per the installation instructions wiring diagram shown below RFSDV34 wiring diagram as supplied and bef...

Page 7: ...the LHEC30 but is supplied separately for the RFSDV34 and must be installed and wired at time of installation refer to wiring diagrams on page 6 The blocked flue switch on the LHEC340 will automatically reset close when sufficiently cool 132ºC however the blocked flue switch on the RFSDV34 is a manual reset type and has a pin which is pushed to reset the switch The reset switch can only be reset i...

Page 8: ...temperature fan and flame appearance via a hand held remote control unit The gas valve is available in NG or Propane and is gas type convertible refer to Gas Type Conversion Procedure on page 51 for more information Gas Valve Features 1 Pilotstat knob The pilotstat knob is used to light and turn the log fire on and off refer to Lighting Instructions on page 12 for more information 2 Modulating mot...

Page 9: ... using a manometer This test point screw is also captive and should be connected to with a manometer as per the inlet gas test point This test point is located behind the modulating motor and cannot be seen in the diagram on page 8 Note The burner gas pressure is fixed and cannot be adjusted Operation The LHEC30 and RFSDV34 utilise the same gas valve pilot assembly fan assembly igniter transformer...

Page 10: ...which receives the remote controller s 13 signals 8 The gas valve 2 modulating motor 15 responds to the remote controller 13 signal by opening or closing in seven stages of modulation 0 off 6 full flame regulating the gas supply to the burner 11 Likewise the gas valve 2 will vary the voltage output to the fan motor 12 controlling the fan speed in response to the remote controller 13 signal Refer t...

Page 11: ...osed YES YES Pilot gas valve closed Burner gas valve closed if open Fan off if on Pilotstat knob manually turned to off A E NO NO NO Thermopile 1 500mV Thermopile 2 280mV Remote controller operation Gas valve Selector switch on Remote Remote controller operation Gas valve Selector switch on Local Gas valve local remote selector switch manually set to Remote C B YES NO C B Gas control valve alters ...

Page 12: ...ate to the OFF position It should be noted that the pilotstat knob cannot be turned from the OFF to PILOT position whilst the gas valve LED is flashing This is a safety device which may occur if the log fire has been switched off after or during operation and is due to the thermopiles generating a voltage from residual heat When the thermopiles cool approx 30 seconds the pilotstat knob may be oper...

Page 13: ... press and release the fan button The fan icon will be displayed along with the current fan speed setting The fan speed setting can then be adjusted from 0 to 6 in increments of 1 by pressing and releasing the up or down arrow buttons If the fan level is set on 0 the fan will turn off After a two second delay from the operation of any button the controller will accept the new setting and revert to...

Page 14: ... second time Auto will first appear when the mode button is pressed and released however you must cycle past this until Auto appears again Off Mode Press and release the mode button until OFF is displayed After a two second delay from the operation of any button the burner and fan will turn off and room temperature and OFF will be displayed on the controller Other Functions Temperature Unit of Mea...

Page 15: ...r by brushing with a soft bristled brush 6 Check the burner and clean if necessary by blowing out with compressed air vacuuming or by brushing with a soft bristled brush Replace the burner if any cracks are evident in the burner ceramic tiles 7 Check the ignition plug gap and reset to 3mm if required refer to Adjusting the Ignition Plug Gap on page 18 8 Check the inlet gas pressure at the log fire...

Page 16: ...rmont gas fireplace or gas log fire to produce some odour the first time it is operated This is due to the burn off off residual oils utilised during the manufacturing process These odours should disappear after approximately 10 hours of operating time For this reason it is recommended that when the log fire is operated for the first time it is operated for at least 10 hours on high with the fan i...

Page 17: ...require replacement Refer to fault finding chart 7 on page 34 for a more thorough fault finding analysis before replacing the gas valve Fault Finding Test Equipment A list of test equipment which will assist in conducting diagnostic procedures is provided below This equipment is available from Rheem Service Spare Parts Department Description Part Number Fine probe adapter kit WH0020082 Probe to al...

Page 18: ...amic body of the ignition plug whilst adjusting Gas Valve Safety Shutdown Test The gas valve safety shutdown test should be performed whenever the gas valve is replaced adjusted or gas type converted To perform the gas valve safety shut down test follow the procedure outlined below 1 Light the log fire by following steps 1 6 of the lighting instructions on page 12 2 Rotate pilotstat knob to the pi...

Page 19: ...wer if error code 3 is still displayed replace both thermopiles Note This procedure can be performed by following fault finding chart 2 1 on page 23 Error Code 8 Error code 8 is a gas valve related fault and is indicated by eight 0 5 second flashes separated by a 30 second off period between each series of flashes If this fault occurs check the following 1 Ensure the gas valve receiving antenna is...

Page 20: ...nt in RED are deemed uncontrolled 20 Fault Diagnosis Sequence General Fault Finding Chart YES NO NO Noisy Log fire Fault NO NO NO YES YES YES YES General Fault Finding Chart 1 2 3 6 7 8 NO 4 YES Pilotstat knob cannot be operated Pilot will not ignite Pilot will not stay lit Burner will not ignite Fan does not operate Remote controller does not operate log fire Burner ignites but goes out NO 5 ...

Page 21: ...tor 2 Hold tip of exposed conductor 2 3mm away from any unpainted metal part of log fire frame earth 3 Push and release piezo igniter A spark should be generated between tip of exposed conductor and metal frame every time the piezo igniter push button is operated 4 Rejoin wire with an insulated electrical connector when testing is complete YES Does gas valve LED indicate 1 flash 1 Wait until the g...

Page 22: ... valve on NO YES Is Pilotstat knob operated correctly YES Rotate pilotstat knob to the Pilot position then depress and hold in whilst attempting to light pilot NO Is local remote switch set on Local The local remote selector switch must be set on local when lighting the pilot Set switch to Local The local remote selector switch is located on the gas valve NO Is gas inlet pressure within spec Refer...

Page 23: ... local remote selector switch is located on the gas valve No Error code 8 is indicated 8 flashes Replace the gas valve NO YES Wait 2 minutes Is the gas valve LED indicating 8 flashes Fault rectified NO Replace the gas valve YES Switch the local remote selector switch to remote Is antenna correctly installed Refer to Recognition Signal in the section on Remote Controller Re teach the gas valve the ...

Page 24: ...otstat knob must be held in the depressed position and not released until after the gas valve LED provides 1 flash indication Did gas valve LED indicate 1 flash Replace gas valve YES Adjust pilot flame Is pilot flame adjusted correctly Advise customer NO YES Does pilot ignite YES 2 NO Are thermopiles working Replace faulty thermopile s NO Replace gas valve YES NO Tests 3 4 Retry lighting 3 times e...

Page 25: ...e has sufficiently cooled before conducting this test Disconnect wiring from blocked flue switch Using a multimeter on the ohms scale measure between the two terminals of the blocked flue switch The reading should be approximately 0 ohms Test 3 Test 4 Warning Live equipment wear Personal Protective Equipment when conducting this test Using a multimeter on the DC millivolt mV scale measure between ...

Page 26: ...orrectly After successful ignition of the pilot the pilotstat knob must be rotated to the On position Advise customer NO Does pilot stay lit YES 3 NO NO 2 NO Is burner gas pressure within spec Replace gas valve NO Are burner injectors blocked YES Clean or replace burner injectors YES NO Refer to section on Checking Burner Gas Pressure Refer to Specification Table for gas pressures Is burner feed p...

Page 27: ...e for gas pressures Are thermopiles working YES NO Replace gas valve Advise customer Refer to section on Adjusting the Pilot Flame Does burner go out only when local remote switch is set to remote NO YES The local remote selector switch is located on the gas valve Replace faulty thermopile s Are burner injectors blocked Is burner feed pipe blocked Is burner manifold blocked NO NO Clean or replace ...

Page 28: ... be set on 1 6 for burner to operate Room temp must be or to set temp for burner to operate YES 7 Increase RC set temp to 1º room temp wait for 1 minute Is RC flame level 0 Replace remote controller YES NO NO Note RC Remote Controller Is RC flame level 0 Is RC room temp or set temp NO Is RC room temp set temp YES YES NO Room temp was set temp remote controller turned burner off Normal operation Di...

Page 29: ...The remote controller must be set to On or Auto mode for the fan to operate YES Is 240V AC present at the power point Has the power circuit fuse blown NO No power supply Advise customer to have electrician check household power circuit NO Did the power circuit fuse blow Replace fuse or reset circuit breaker 6 3 YES YES Blown fuse replaced Possible overloading of power circuit Check log fire operat...

Page 30: ...quipment when conducting this test Ensure power point is switched on and using a multimeter on the AC voltage scale measure between the 3 pin sockets on the power point The following results should be obtained Active to Neutral 240 Volts AC Active to Earth 240 Volts AC Neutral to Earth 0 Volts Warning Ensure power is isolated before conducting this test Mark and disconnect wiring from the fan and ...

Page 31: ...g this test Mark and disconnect wiring from the transformer and using a multimeter on the ohms scale measure between terminals 1 and 5 of the transformer transformers primary winding The reading should be approximately 27 ohms Test 8A LHEC30 Test 8B RFSDV34 Warning Ensure power is isolated before conducting this test Mark and disconnect wiring from the transformer and using a multimeter on the ohm...

Page 32: ... temp for fan to operate YES 7 Increase RC set temp to 1º room temp wait for 1 minute Is RC fan level 0 Replace remote controller YES NO NO Note RC Remote Controller Is RC fan level 0 Is RC room temp or set temp NO Is RC room temp set temp YES YES NO Room temp was set temp remote controller turned fan off Normal operation Did the fan come on YES NO YES Increase RC fan level to 6 Did the fan come o...

Page 33: ...ocate the fault Refer to Fault Finding Chart 6 3 above Procedure 3 To check Continuity of the log fire electrical circuit 8 Set megger to resistance scale or multimeter to x1 resistance scale 9 Measure between the Active and Neutral pins of the log fire 3 pin plug The resistance should be approximately 27 1 ohms If a reading outside this resistance value is obtained all electrical component parts ...

Page 34: ...Replace cord set NO YES 1 Plug log fire into power point and switch on NO Is 115V AC present at the transformer Replace transformer NO YES Is the fans winding resistance correct YES Replace fan assembly NO Test 6 YES Is the log fire plugged into power point switched on Replace remote controller batteries YES Switch the local remote selector switch to remote NO Does remote controller work 1 Does ga...

Page 35: ...een recently operated the glass frame assembly will be extremely hot A serious and significant burn hazard exists Ensure the log fire has sufficiently cooled before attempting to remove the front glass frame assembly 1 Turn pilotstat knob to the OFF position 2 Open the hinged front lower louvre located below glass frame then lift up and remove lower louvre 3 Remove two glass frame retaining screws...

Page 36: ...the risk of electric shock Refer to Rheem Safety Procedure on electrical testing 1 Isolate power and gas supplies to the log fire and open front lower access louvre 2 Remove two nuts retaining transformer cover and lift out transformer cover 3 Confirm with a multi meter between Active and Neutral then Active and Earth then Neutral and Earth terminals of the transformer that voltage is not present ...

Page 37: ...in reverse order of above 4 Set ignition plug gap at 3mm refer to Adjusting the Ignition Plug Gap on page 18 5 Test for gas leaks at all unions using soapy water solution Thermopile LHEC30 Procedure 6 1 Remove pilot assembly refer to procedure 4 2 Unscrew nut from beneath thermopile ensuring thermopile wiring does not turn with nut and withdraw thermopile from pilot assembly 3 Complete reassembly ...

Page 38: ...embly in reverse order of above 10 Test for gas leaks at all unions using soapy water solution Burner Injectors LHEC30 Procedure 10 1 Remove burner refer to procedure 9 2 Unscrew and remove front and or rear burner injector s 3 Complete reassembly in reverse order of above using gas sealing paste on burner injector threads Burner Feed Pipe LHEC30 Procedure 11 1 Remove the sheet metal base refer to...

Page 39: ...ting step 3 of this procedure to reduce the risk of electric shock Refer to Rheem Safety Procedure on electrical testing 1 Isolate power and gas supplies to the log fire and open front lower access louvre 2 Remove two nuts retaining transformer cover and lift out transformer cover 3 Confirm with a multi meter between Active and Neutral then Active and Earth then Neutral and Earth terminals of the ...

Page 40: ...ssembly 11 Complete reassembly in reverse order of above Blocked Flue Switch LHEC30 Procedure 17 1 Remove front glass assembly refer to procedure 1 2 Remove five screws retaining flue baffle to inside top of fireplace and remove baffle 3 Remove four screws retaining blocked flue switch access cover and remove cover and gasket 4 Remove screw retaining blocked flue switch bracket and withdraw bracke...

Page 41: ... glass frame to stick slightly 5 Complete reassembly in reverse order of above Log Assembly RFSDV34 Procedure 20 1 Remove front glass assembly refer to procedure 19 2 Remove logs and larva rock from burner Reassemble as follows 3 Place rear log KR10 firmly on rear log bracket behind bracket tabs ensuring log is horizontal and centred 4 Place front log KR7 behind the front serrated deflector ensuri...

Page 42: ...h pilot assembly 9 Remove screw retaining pilot heat shield to bracket and remove pilot heat shield 10 Remove screw retaining lower sheet metal pilot aperture cover to log fire base and remove lower sheet metal pilot aperture cover the screw is located under the log fire base below the pilot assembly 11 Withdraw pilot assembly pilot feed pipe and pilot wiring out through aperture in log fire base ...

Page 43: ...assembly in reverse order of above Burner RFSDV34 Procedure 27 1 Isolate power and gas supplies to the log fire 2 Remove glass frame assembly refer to procedure 19 3 Remove log assembly and larva rock from burner reverse procedure 20 4 Remove two screws retaining log ember grill to log fire base and remove log ember grill 5 Remove two screws retaining burner hold down brackets to burner base brack...

Page 44: ... 5 Test for gas leaks at all unions using soapy water solution Gas Valve RFSDV34 Procedure 31 Wear Personal Protective Equipment when conducting step 2 of this procedure to reduce the risk of electric shock Refer to Rheem Safety Procedure on electrical testing 1 Isolate power and gas supplies to the log fire and remove front lower access panel refer to procedure 21 2 Confirm with a multi meter bet...

Page 45: ...er and gas supplies to log fire and remove front lower access panel refer to procedure 21 2 Confirm with a multi meter between Active and Neutral then Active and Earth then Neutral and Earth terminals of the transformer that voltage is not present 3 Remove two screws retaining transformer supporting bracket to log fire base and withdraw transformer and supporting bracket through front or rear of l...

Page 46: ...two screws retaining blocked flue switch cover to draught diverter and withdraw blocked flue switch cover and blocked flue switch from draught diverter 2 Disconnect wiring to the blocked flue switch 3 Complete reassembly in reverse order of above Cord Set RFSDV34 Procedure 36 1 Remove transformer refer to procedure 33 2 Mark and disconnect cord set wiring to the transformer 3 Remove earth stud nut...

Page 47: ...ce Gas Log Fire Service Instructions REV A D O I 17 01 2008 This document is stored and maintained electronically by Service All printed copies not bearing this statement in RED are deemed uncontrolled 47 Exploded View 1 LHEC30 ...

Page 48: ...quires bending 57318 21 Piezo Igniter includes cable 20000062 24 Gas Valve Honeywell RV8310D NG 20003719 Gas Valve Honeywell RV8310D Propane 20003720 25 Antenna Gas Valve 20003561 26 Remote Controller 20002047 27 Thermopile 20002400 28 Cord Set 20002541 30 Fan Assembly includes fan fan motor bracket 54103 34 Window Glass includes gasket 10004989 35 Window Gasket 57317 36 Window Glass Frame 1000487...

Page 49: ...e Gas Log Fire Service Instructions REV A D O I 17 01 2008 This document is stored and maintained electronically by Service All printed copies not bearing this statement in RED are deemed uncontrolled 49 Exploded View 2 RFSDV34 ...

Page 50: ... Pilot Assembly Propane 20002268 11 Pilot Tube With Fittings 10003297 12 Manifold Tubing Burner includes fittings requires bending 57318 13 Thermopile 20002400 14 Piezo Igniter includes cable 20000062 15 Remote Controller 20002047 18 Gas Valve Honeywell RV8310D NG 20003719 Gas Valve Honeywell RV8310D Propane 20003720 19 Cord Set 20002541 20 Fan Assembly includes fan fan motor bracket 54103 24 Wind...

Page 51: ...olated by switching off the power point and removing the log fire 3 pin plug from the power point 2 Open the hinged front lower louvre LHEC30 or remove the front lower access panel RFSDV34 refer to component replacement procedure 21 on page 41 This will provide access to the gas valve 3 Remove the modulating motor cover 3 by unscrewing in an anti clockwise direction This will expose the gas type s...

Page 52: ...be correctly commissioned by a licensed and authorised person and the installation certified by the relevant Gas Authority of the State in which the log fire is installed 4 Where a failed component or log fire is replaced under warranty the balance of the original warranty period will remain effective The replaced part or log fire does not carry a new warranty 5 Where the gas fireplace or gas log ...

Page 53: ...red and maintained electronically by Service All printed copies not bearing this statement in RED are deemed uncontrolled 53 Document Revision History Title Vermont Log Fire Service Instructions Document Nº TM036 Revision Details of change D O I A Service Manual Issued for Gas Fireplace Gas Log Fire 01 08 ...

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