Table of Contents
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Models: EYF18, EYF24
Natural Gas or Propane/LPG
Control Type: Manual or Millivolt
WARNINGS
If the information in this manual is 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.
Unvented Gas Log Heater
or
Vented Decorative Appliance
Installation and Operating Instructions
This is an unvented gas-fired heater. It uses
air (oxygen) from the room in which it is
installed. Provisions for adequate combustion
and ventilation air must be provided.
Refer to Page 6.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
L O
O N
H I
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O F
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651009
EYF cover
65D1009 9/09 Rev. 5
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Table of Contents
Related Manuals for MHSC EYF18
Summary of Contents for MHSC EYF18
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Page 1: Installation And Operating Instructions
Models: EYF18, EYF24 Natural Gas or Propane/LPG Control Type: Manual or Millivolt WARNINGS If the information in this manual is 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. -
Page 2: Table Of Contents
EYF Series Unvented Gas Log Set Thank you and congratulations on your purchase of a PLEASE READ THE INSTALLATION AND OPERATION INSTRUCTIONS BEFORE USING THE APPLIANCE! 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 warranty. Important Safety Information ...3 Getting Started ...5 Codes ...7... -
Page 3: Important Safety Information
6. Installation and repair should be done by a qualified service person. 7. To prevent malfunction and/or sooting, an unvented gas heater should be cleaned before use and at least annually by a professional service person. More frequent cleaning may be required due to ex- cessive lint from carpeting, bedding materials, etc. - Page 4 EYF Series Unvented Gas Log Set 16. Keep room area clear and free from combustible materials, gasoline and other flammable vapors and liquids. 17. Unvented gas heaters are a supplemental zone heater. They are not intended to be a primary heating appli- ance.
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Page 5: Getting Started
GETTING STARTED - FEATURES and SPECIFICATIONS • Gloves are recommended when handling ceramic fiber logs to prevent skin irritation from loose fibers. • Logs are fragile - handle with care. MAkE SURE YOU HAVE RECEIVED ALL PARTS: Check your packing list to verify that all listed parts have been received. -
Page 6: General Installation Information
EYF Series Unvented Gas Log Set ADEQUATE COMBUSTION AND VENTILATION AIR This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air. The National Fuel Gas Code, (ANSI Z223.1/NFPA54), defines a confined space as a space whose volume is less than 50 cubic feet per 1,000 BTU per hour (4.8 m gate input rating of all appliances installed in that space, and an unconfined space as a space whose volume is not less than 50 cubic feet per 1,000 BTU per hour (4.8 m... -
Page 7: Codes
Ventless Firebox Enclosure for Gas Fired Decorative Type Unvented Room Heaters per ANSI Z1.91b.004, as long as firebox hearth dimensions meet the minimum hearth dimensions shown below. Model EYF18 5" 13" FP2530 (635 mm) (330 mm) (445 mm) (433 mm) hearth dims... -
Page 8: Clearances And Height Requirements
EYF Series Unvented Gas Log Set CLEARANCE and HEIGHT REQUIREMENTS The dimensions shown in Figures 4 through 10 and defined in the fireplace manufacturer's instructions are minimum clearances to maintain when installing this heater. Left and right clearances are determined when facing the front of the heater. - Page 9 INSTALLATION Heat resistant material (minimum requirements) with wooden mantel or other combustible projection: To install the heater with a wooden mantel, shelf or other combustible projection above, first measure the heat resistant material shown in Figure 6, then refer to Table Figure 6 - Mantel Clearance with Hood Table B -...
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Page 10: Floor Clearance
EYF Series Unvented Gas Log Set FLOOR CLEARANCE The gas log heater must be installed at least 5" above any combustible flooring material, such as carpeting or tile, which is closer than 14" to the base of the fireplace. The minimum distance must be maintained from the top surface of carpeting, tile, etc. - Page 11 INSTALLATION DAMPER STOP INSTALLATION: A damper stop must be provided with the unit. Contact your dealer to obtain one. The damper stop must be installed as shown in Figure 11 to prevent full closure of the fireplace damper blade and provide a minimum 9 square inch flue opening.
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Page 12: Gas Line Connection
EYF Series Unvented Gas Log Set Use new black iron or steel pipe. Internally tinned copper or copper tubing can be used per National Fuel Code, section 2.6.3, providing gas meets hydrogen sulfide limits, and where permitted by local codes. Gas piping system must be sized to provide minimum inlet pressure (Listed on Data Plate) at the maximum flow rate (BTU/Hr). -
Page 13: Electrical Wiring (Millivolt)
ELECTRICAL WIRING - MILLIVOLT Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. Wall Switch On/Off Switch TP/TH = Figure 16 - Wiring Diagram CONNECTING OPTIONAL WALL SWITCH OR THERMOSTAT 1. -
Page 14: Connect Optional Remote Receiver
EYF Series Unvented Gas Log Set CONNECTING OPTIONAL REMOTE RE- CEIVER FOLLOW INSTRUCTIONS SUPPLIED WITH THE REMOTE 1. Connect the wires to the two .5" male connectors located on the left side of the valve when facing the unit. Page 19, Figure 16. Do not let wire touch grate or burner. -
Page 15: Log Placement
LOG PLACEMENT The positioning of the logs is critical to the safe and clean operation of this heater. Sooting and other problems may result if the logs are not properly and firmly positioned in the appliance. Never add additional logs or embellishments such as pine cones, vermiculite or rock wool to the heater. -
Page 16: Log Placement
Figure 21 - Place Front Log LG709 EYF18 front log LG707 Figure 22 - Place Top Log LG708 Figure 23 - EYF18-R Logs Set Complete LG711 EYF18 logs LOG PLACEMENT Front Log #3 Top Log #4 LG710 LG710 EYF18 top log... - Page 17 LOG PLACEMENT PLACE EYF24-R and EYF30-R LOG SETS 1. Place Rear Log (#1) on rear support. Figure 24 . Place Middle Log (#) on middle support. Figure 25 3. Place Front Log (#3) in between burner and grate. Figure 26 4.
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Page 18: Flame Appearance
EYF Series Unvented Gas Log Set Flames from the pilot, front and rear burner should be visually checked as soon as the heater is installed. In addition, periodically check the flames visually during operation. ChECk ThE PILOT fLAME The pilot flame must always be present when the heater is in operation. It should just touch the top of the thermocouple tip for natural. -
Page 19: Burner Flame Appearance
FLAME APPEARANCE In normal operation at full rate after 15 minutes, the following flame appearances should be observed: The left and right flames should be yellow and extend 1" to " above the log top surfaces. The yellow flames should not contact the logs. Figure 31 - Correct Burner Flame Appearance OPERATING INSTRUCTIONS... -
Page 20: For Your Safety Read Before Lighting
EYF Series Unvented Gas Log Set FOR YOUR SAFETY, READ BEFORE LIGHTING If you do not follow these instruction exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance is equipped with an ignition device which automatically lights the pilot. Do not try to light the pilot by hand. -
Page 21: Manual Control Lighting Instructions
OPERATING INSTRUCTIONS MANUAL CONTROL LIGhTING INSTRUCTIONS 1. STOP! Read the safety information. . Make sure the manual shutoff valve is fully open. 3. This heater is equipped with an ignition device (piezo) which automatically lights the pilot. 4. Refer to Page 22, Figure 37 for the location of the piezo ignitor and control knob. -
Page 22: Millivolt Control Lighting Instructions
EYF Series Unvented Gas Log Set MILLIVOLT CONTROL LIGHTING INSTRUCTIONS 1. STOP! Read the safety information label. . Make sure the manual shutoff valve is fully open. 3. This gas log set is equipped with an ignition device (piezo) which automatically lights the pilot. If piezo ignitor does not light the pilot, refer to instructions for Match Lighting Instructions, Page 26. -
Page 23: Maintenance
OPERATING INSTRUCTIONS and MAINTENANCE MATCh LIGhTING INSTRUCTIONS 1. Remove any items necessary for easy access to the pilot (for example: logs, screens, etc.). . Follow appropriate lighting instructions found previously. Instead of pushing and releasing the piezo button, light a match and hold the flame to the end of the pilot and ignite the pilot. 3. -
Page 24: Troubleshooting
EYF Series Unvented Gas Log Set Turn off appliance and allow to cool before cleaning. Only a qualified service person should service and reapir the heater. Problem When ignitor button is 1. Ignitor electrode positioned wrong. pressed, there is not spark . - Page 25 TROUBLESHOOTING Problem ODS/pilot lights, but flame 1. Control knob not fully pressed in. goes out when control . Control knob not pressed in long knob is released. 3. Manual shutoff valve not fully open. 4. Thermocouple connection loose at 5. Pilot flame not touching thermo- 6.
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Page 26: Replacement Parts
Millivolt Control Injector ODS Pilot Assy. Piezo Wire Control Valve Knob Extension - ON/OFF Knob Extension - Hi/Lo On/Off Switch Valve to Burner Tube Pilot Tube Pilot Regulator EYF18 Qty. Natural Propane 65D1053 65D1054 14D0503 14D0503 58D0051 0H3144 6D59 14D0476... - Page 27 Middle Log Top Log Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this appliance may result in property damage or personal injury. 65D1009 EYF18-R Logs EYF18-R EYF24-F 65D0006K 65D1038K 65D1030K 65D0008K...
- Page 28 EYF Series Unvented Gas Log Set 65D1009...
- Page 29 EYF Series Unvented Gas Log Set 65D1009...
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Page 30: Massachusetts Requirements
Massachusetts Residents Only — Please read and follow these special requirements EYF Series Unvented Gas Log Set NOTE REGARDING VENTED PRODUCTS This product must be installed by a licensed plumber or gas fitter when installed within the Commonwealth of Massachusetts. Any residence with a direct vent product must have a CO detector installed in the residence. -
Page 31: Warranty
4. This warranty applies only to the original purchaser and may not be transferred. 5. This warranty applies only to a gas heater/decorative gas appliance used as a residential appliance. 6. If you cannot verify the purchase date of the heater/decorative gas appliance, the warranty period will begin on the date the heater/decorative gas appliance was manufactured. - Page 32 MHSC 149 Cleveland Drive • Paris, Kentucky 40361 www.mhsc.com...