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C
N
E
R
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INSTALLER/CONSUMER
SAFETY INFORMATION
PLEASE READ THIS MANUAL
BEFORE INSTALLING AND
USING APPLIANCE
WARNING!
IF THE INFORMATION IN THIS
Natural Vent Insert
MANUAL IS NOT FOLLOWED
EXACTLY, A FIRE OR EXPLO-
Models: LHER20
SION MAY RESULT CAUSING
PROPERTY DAMAGE, PER-
LHEC20
SONAL INJURY OR LOSS OF
LIFE.
LHER30
FOR YOUR SAFETY
LHEC30
Installation and service must
be performed by a qualified
installer, service agency or
the gas supplier.
WHAT TO DO IF YOU SMELL GAS:
• Do n
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LHE Series Natural Vent Insert Table of Contents PLEASE READ THE INSTALLATION & OPERATING INSTRUCTIONS BEFORE USING THIS APPLIANCE. Thank you and congratulations on your purchase of a CFM Corporation fireplace insert. IMPORTANT - Read all instructions and warnings carefully before starting installation. Failure to follow these instructions may result in a possible fire hazard and will void the manufacturers' warranty. Installation Instruction Important Curing/Burning Instructions ..............
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LHE Series Natural Vent Insert Installation & Operating Instructions This gas appliance should be installed by a qualified installer in WARNING: Check with your electronics manufacturer accordance with local building codes and with current CSA- before installing a television or other electronic de- B149.1 Installation codes for Gas Burning Appliances and vice above this fireplace. Equipment. FOR U.S. Installations follow local codes and/or the current National Fuel Gas Code ANSI Z223.1/NFPA 54
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LHE Series Natural Vent Insert Fireplace & Trim Dimensions B I D G L A A J H B K C Zero Clearance Kit P Insulation M U Q V T O E S F R Minimum Fireplace N Insert Opening Air Circulating Channel Gas Inlet Knockout 1 = LHESSB Q - Fireplace opening height U - Firebox depth at insert back height (V) 2 = LHESLB/LHEABSL/LHESLGA 3 = LHECSLB/LHECSLMB/LHECSLSA R - Fireplace opening width V - Insert back height 5360 LHE spces 4 = LHEACNSS S - Depth of insert NOTE: LHESLGA is only available for FP1
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LHE Series Natural Vent Insert Mantels When the unit is installed into a woodburning fireplace, 37 ¹⁄₄" (946mm) the minimum distance the mantel can be placed above the fireplace is governed by local building codes appli- cable to woodburning fireplaces. Consult local authori- ties having jurisdiction for these clearances. For applications requiring the use of a Zero Clearance 35" (889mm) Kit, the minimum height a mantel can be installed above the fireplace is 24" (610mm) from the top of the uppe
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LHE Series Natural Vent Insert Gas Specifications These gas inserts are approved for installation in solid fuel burning masonry or zero clearance Max. Min. Air Shutter fireplaces. Gas Input Input Setting Model Fuel Control Btu/h Btu/h Front Rear LHEC20RN Nat. Gas Millivolt 20,000 14,000 Fully Closed Hi/Lo Open 50% LHEC20 / LHER20 / LHEC30 / LHER30 LHEC20RP Prop. Gas Millivolt 20,000 15,000 Fully Fully Certified To Hi/Lo Open Open ANSI Z 21.88-2005 / CSA 2.33-2005 LHEC20
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LHE Series Natural Vent Insert 1/2" Gas Supply Fan Removal Instructions 1/2" x 3/8" Shut Off Valve 1. Turn off gas and electricity. 3/8" Nipple 2. Remove the front glass. 3/8" Union 3. Remove the logs. 3/8" Nip- ple CAUTION: Logs may be hot! 4. For Model LHEC20: remove burner assembly and FP297 bracket rear log. For Model LHEC30: remove brack- Fig. 4 Typical gas supply installation. et rear log and cover fan. 5. Remove the fan mounting nuts (2 nuts). (Fig. 5) Gas Supply Pressures 6. Slip off t
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L I P TP TH THTP LHE Series Natural Vent Insert Right Side Installation Left Side Installation Venting Installation 1. The fireplace may be installed in and vented through On/Off Switch As- any solid fuel fireplace that has a minimum fireplace On/Off sembly Switch As- opening 25 ¹⁄₄"W x 17 ¹⁄₂" H x 13 ¹⁄₂"D (641 x 438 x 343 sembly mm) for LHEC20 and LHER20 or 28 ³⁄₄"W x 21"H x 15 ¹⁄₂"D (730 x 533 x 394 mm) for LHEC30 and LHER30 and has been installed in accordance with Wiring from the Nat
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LHE Series Natural Vent Insert If the fireplace lintel is wider than 8" Zero clearance kit minimum clearance to combustibles (203 mm), the height of the fireplace open- materials is 1" (25 mm) for B Vent (use of single wall ing must be 25" (635 mm) to allow for a 90° vent is not allowed.) offset elbow to be installed. As with any natural drafted appliances, the vent cap must always extend a minimum of 2' (610 mm) above Chimney Liner any structure within a 10' (3 m) horizontal plane. (Fig.
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LHE Series Natural Vent Insert the bracket switch carefully pull out the entire switch Blocked Flue Shut Off System assembly. These inserts are equipped with a blocked flue shut off NOTE: The shut off switch cover was attached with the switch. This switch is factory installed, wired and tested. gasket cover. Before installing the gasket cover back in Check and make sure the switch and wires are in the place, inspect and make sure the gasket is not dam- proper position. The shut off switch i
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LHE Series Natural Vent Insert Operating Instructions General Glass Information Only ceramic glass approved by CFM Cor- poration may be used for replacement on this unit. 1. The use of substitute glass will void all product warranties. 2. Care must be taken to avoid breakage of the glass. 3. Under no circumstances should this appliance be Machine Screw operated without glass properly installed, or with any FP1353 cracked or broken glass. Replacement of any glass Fig. 17 Remove glass
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HI LHE Series Natural Vent Insert e. Place the front right log (KR26). Position the log Flame Adjustment (RN/RP Models) notch against the third grate from the right, and the other edge of the log on top of the rear right For fireplaces equipped with HI/LO valves, flame log notch. Ensure the log is secure in place. adjustment is accomplished by rotating the HI/LO f. Place the burner lava rock on the front area of the adjustment knob located near the center of the gas burner housing. (Fig. 19
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I L LHE Series Natural Vent Insert SIT Valve PSE Pilot 3/8" - 1/2" Turn Turn clockwise counterclockwise to lower to increase flame height. flame height. Fig. 21 Flame adjustment knob for SIT Valve. FP390 FLAME ADJUSTMENT KNOB SIT Pilot 11/21/96 F584-703 Fig. 22 Correct pilot flame appearance. F584-703 Honeywell & PSE pilot flames LG287 Fig. 23 Correct burner flame appearance for LHEC20 and LHER20. LG287 LHEDV20 log flames 4/03 LG288 Fig. 24 Correct burner flame appearance for LHEC30 a
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O 3 2 ON 1 T O LHE Series Natural Vent Insert Lighting and Operating Instructions FOR YOUR SAFETY READ BEFORE LIGHTING WARNING:If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This heater has a pilot which must be lit manu- instructions. ally. When lighting the pilot follow these instruc- • If you cannot reach your gas supplier, call tions exactly. the Fire Department B. BEFORE LIGHTING smell all around
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LHE Series Natural Vent Insert Troubleshooting the Gas Control System SIT NOVA 820 Millivolt Valve NOTE: Before trouble shooting the gas control system, be sure external gas shut off is in the “On” position. WARNING: Before doing any gas control service work, remove glass front. SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 1. Spark ignitor will not light A. Defective or misaligned Using a match, light pilot. If pilot lights, turn off electrode at pilot. pilot and push the red button a
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LHE Series Natural Vent Insert Troubleshooting the Gas Control System Honeywell Millivolt Valve START CHECK Gas Supply On Supply Line Hooked Up NO Shutoff Valve Open YES Lockout Has Engaged. Wait 60 Seconds And Try Again. For Spark At Electrode While Pilot Lights With Depressing Piezo — 1/8" Gap To NO Piezo Ignitor Pilot Hood Needed. All Wiring Connections Replace Piezo Ignitor YES For Air In The Lines Thermopile Needs A Minimum 325mv. Adjust Pilot Flame Height. All Wiring Connections. Repl
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LHE Series Natural Vent Insert 7. If the manual switch is in the LOCAL position, the Instructions for RF Comfort Control Valve valve will be at the highest fixed pressure setting. The transmitter will control the fan only. The Comfort Control Valve allows remote control of temperature, fan and flame appearance. Shut Off Procedure NOTE: The antenna should hang in free air away from If the manual switch is in the REMOTE position, the transmitter can shut off the main burner and fan. How- ground
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LHE Series Natural Vent Insert Delay Timer Mode Pilot As- Fan sembly The shut off delay timer has a maximum of 2 hours and a minimum of zero minutes. To change the timer level, press the time key followed by an arrow key. Pushing the key once will change the timer by 10 minutes. Auto Mode In the AUTO mode, the room temperature, set tem- perature, flame and fan levels will be shown. AUTO will appear next to both the flame and fan icons. When the control is in the AUTO mode, the main burner w
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LHE Series Natural Vent Insert 2. Slide the Remote/Local switch to REMOTE and teach the valve a transmitter (refer to Item 6, page Auto Path 1). The Error Code will clear itself after approximate- ly 1 ¹⁄₂ minutes and return to normal operation. If the manual switch is set to REMOTE, press Move switch LED Count Service Action the mode button to from LOCAL to display AUTO on the 8 Replace valve REMOTE. Press transmitter. Does the any key within 30 7 Confirm stepper motor connection
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LHE Series Natural Vent Insert Comfort Valve system control sequence of operation with transmitter Set manual switch Five minute wait to local or remote period Light pilot burner No Did the LED stop Review LED fail- blinking? ure analysis Release pilotstat knob Cycle switch Yes once and leave in Choose Local or remote. Press any Turn pilotstat knob Remote path. Set key on transmit- from PILOT to ON switch to manual or ter for recognition remote operation On Path Local Path If the manua
