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Monessen Hearth MHSC EYF18 manual

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Table of contents for the manual

  • Page 1

    LO H I O F F O N I G N MODELS EYF18 AND EYF24 Natural Gas or Propane/LPG Control T ype: Manual or Millivolt UNVENTED GAS LOG HEA TER OR VENTED DECORA TIVE APPLIANCE INST ALLA TION AND OPERA TING INSTRUCTIONS READ BEFORE INSTALLING. SAVE THESE INSTRUCTIONS This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is instal[...]

  • Page 2

    2 65D1009 CONTENTS Important Safety Information .......................... 3 Getting Started .................................................. 5 Product Features and Specifications ............. 6 General Installation Information ..................... 7 Codes ............................................................ 7 Adequate Combustion and Ve[...]

  • Page 3

    65D1009 3 8. For propane/LP insert, do not place propane/LP supply tank(s) inside any structure. Locate propane/LP supply tank(s) outdoors. To prevent performance problems, do not use propane/LP fuel tank of less than 100 lbs. capacity. 9. The installation must conform with local codes or, in the absence of local codes, with the National Fuel Gas C[...]

  • Page 4

    4 65D1009 IMPORTANT SAFETY INFORMATION This appliance may be installed in an aftermar- ket, permanently located, manufactured (mobile) home, where not prohibited by local codes. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases. Continued from page 3 13. Avo[...]

  • Page 5

    65D1009 5 MAKE SURE YOU HAVE RECEIVED ALL PARTS: Check your packing list to verify that all listed parts have been received. You should have the following: • Unvented gas log burner assembly • Plastic bag containing crushed volcanic rock • Installation/operating instructions • Two (2) anchoring screws • Ceramic Fiber or Refractory Cement [...]

  • Page 6

    6 65D1009 NATURAL GAS Manual Pressure Millivolt Pressure Regulator Pressure Setting: 4.0" w.c. Regulator Pressure Setting: 3.5" w.c. Gas Inlet Pressure: Max. 10 1/2" w. c. Pilot Regulator: 3.5" w.c. Min. 5" w.c. Gas Inlet Pressure: Max. 10 1/2" w. c. Min. 5" w.c. PRODUCT FEATURES AND SPECIFICATIONS PROPANE/LPG Not[...]

  • Page 7

    65D1009 7 GENERAL INSTALLATION INFORMATION CODES Adhere to all local codes or, in their absence, the latest edition of THE NATIONAL FUEL GAS CODE ANSI Z223.1 or NFPA54 which can be obtained from… American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 or National Fire Protection Association, Inc. Batterymarch Park Quincy, MA [...]

  • Page 8

    8 65D1009 W H The following formula can be used to determine the maximum heater rating per the definition of unconfined space: BTU/Hr = (L 1 + L 2 ) Ft x (W) Ft x (H) Ft 50 Consider two connecting rooms with an open area between, with the following dimensions: L 1 = 15 1 / 2 Ft., L 2 = 12 Ft., W = 12 Ft., H = 8 Ft. BTU/Hr = (15 1 / 2 + 12) x (12) x[...]

  • Page 9

    65D1009 9 C A D B FIREPLACE AND HEARTH DIMENSIONS Use manufacturer's installation and clearance requirements as defined in their manual. The EYF Series unvented room heater is approved for installation into the following unvented fireplaces: GCUF(32,36,42) and VFR(32,36,42) Series Fireboxes The EYF Series unvented room heater may also be insta[...]

  • Page 10

    10 65D1009 LO HI OFF ON I G N PLACEMENT IN A FIREPLACE WITH A RESTRICTIVE BARRIER IMPORTANT INFORMATION FOR THE INSTALLATION OF THIS GAS LOG SET The following are guidelines for placing a gas log set in a fireplace that has a restrictive barrier along the bottom front open- ing of the fireplace. Some examples of barriers are glass/screen door frame[...]

  • Page 11

    65D1009 11 16" 42" CLEARANCES AND HEIGHT REQUIREMENTS Sidewall and ceiling clearances: The sides of the fireplace opening must be at least 16" from any combustible wall. The ceiling must be at least 42" from the top of the fireplace opening. Figure 4 - Sidewall and Ceiling Clearances WARNING The dimensions shown in Figures 4 thr[...]

  • Page 12

    12 65D1009 Heater in Fireplace or Firebox 8" or More of Heat Resistant Material Hood Measur e this distance Heater in Fireplace or Firebox Heat Resistant Material 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 a[...]

  • Page 13

    65D1009 13 Heater in Fireplace or Firebox Heat Resistant Material Hood 12" 6" - 10 " 2 1 / 2 " 8"min. 13" 18" 20" Heater in Fireplace or Firebox Heat Resistant Material 10" or less 20" min. 32" CLEARANCES AND HEIGHT REQUIREMENTS TABLE B - Heat Resistant Material Heights and Mantel Location Figu[...]

  • Page 14

    14 65D1009 Heater in Fireplace or Firebox 5" Minimum Combustible Material 14" Minimum Heater in Fireplace or Firebox Combustible Material This Distance May Now Be Less than 5" 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 [...]

  • Page 15

    65D1009 15 Damper Stop Damper Figure 11 - Damper Stop Installation. (See WARNING at top of next page.) FIREPLACE PREPARATION BEFORE FULLY INSTALLING THE UNIT: • Turn OFF the gas supply to the fireplace or firebox. • Seal any fresh air vents and/or ash clean-out doors located on the floor or wall of the fireplace. If left unsealed, draftin g may[...]

  • Page 16

    16 65D1009 LO HI OFF INSTALLING VENTED APPLICATION PLACING AND SECURING APPLIANCE ASSEMBLY PROCEDURE: 1. Center the gas log unit in the fireplace or firebox. 2. Installing Grate: Insert longest middle grate bar in one of the two square holes in control panel. See Figure 12 . Be sure grate is centered. Sit horizontal bar inside two hooks on front of[...]

  • Page 17

    65D1009 17 Pipe Coupling To Heater Valve Gas Supply Inlet CONNECTING THE GAS NOTICE: A qualified gas appliance installer must connect the heater to the gas supply. Consult all local codes. IMPORTANT: Hold heater valve firmly with a wrench to prevent movement when connecting to inlet pipe. Manual Shutoff Valve Pipe Stainless Flexible Tube Figure 13 [...]

  • Page 18

    18 65D1009 Test Port “OUT” WARNING CHECKING GAS PRESSURE The heater gas inlet connection is a 3 / 8 " NPT at the valve. All units have the inlet connection on the right side, when you face the unit. To connect from the opposite side, route the pipe under the rear portion of the unit. When tightening up the joint to the valve, hold the valv[...]

  • Page 19

    65D1009 19 ELECTRICAL WIRING (MILLIVOLT) The millivolt valve is a self-powered combination gas control THAT DOES NOT REQUIRE 110 VAC TO OPERATE. CONNECTING OPTIONAL WALL SWITCH OR THERMOSTAT 1. Use 18 AWG, two-wire cable, 20 feet maximum length. 2. At one end of the cable, connect both wires to the wall switch or thermostat. At the other end, conne[...]

  • Page 20

    20 65D1009 LO HI OFF SK Y TE C H O F F O N R E M O T E ELECTRICAL WIRING (MILLIVOLT) A. COMPLETE MILLIVOLT SYSTEM CHECK (“A” Reading - On/Off Switch contacts CLOSED - Control Knob “ON” - Main burner should come ON) a. If the reading is more than 175 millivolts and the automatic valve still does not come on, replace the control. b. If the cl[...]

  • Page 21

    65D1009 21 LOG PLACEMENT PLACING THE DECORATIVE ROCK Figure 18 - Installing EYF24-F Logs on Burner Before you begin — This unit is supplied with a four ceramic fiber log units. Do not handle the log unit with your bare hands. Always wear gloves to prevent skin irritation from ceramic fibers. After handling the log unit, wash your hands gently wit[...]

  • Page 22

    22 65D1009 LOG PLACEMENT Figure 21 - Installing Front Log (#3) INSTALLING EYF18-R LOG SET ON UNIT Figure 22 - Installing Top Log (#4) Figure 23 - EYF18-R Logs on Base Figure 19 - Installing Rear Log (#1) Figure 20 - Installing Middle Log (#2) Rear Log (#1) Middle Log (#2) Front Log (#3) Top Log (#4) 1. Place Rear Log (#1) on rear support. See Figur[...]

  • Page 23

    65D1009 23 LOG PLACEMENT INSTALLING EYF24-R OR EYF30-R LOG SET ON UNIT Figure 26 - Installing Front Log (#3) Figure 27 - Installing Top Right Log (#4) Figure 23 - EYF24-R Logs on Base Figure 24 - Installing Rear Log (#1) Figure 25 - Installing Middle Log (#2) Figure 28 - Installing Top Left Log (#5) Rear Log (#1) Middle Log (#2) Front Log (#3) Top [...]

  • Page 24

    24 65D1009 FLAME APPEARANCE 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. CHECKING THE PILOT FLAME The pilot flame must always be present when the heater is in operation. It should just touch the top of the ther- mocou[...]

  • Page 25

    65D1009 25 LO HI OFF ON I G N In normal operation at full rate after 15 minutes, the following flame appearances should be observed: Figure 34 - Correct Appearance of Rear Flames The left and right flames should be yellow and extend 1" to 2" above the log top surfaces. The yellow flames should not contact the logs. OPERATING INSTRUCTIONS [...]

  • Page 26

    26 65D1009 LO HI OFF WARNING Figure 35 - Location of Piezo Ignitor, Control Knobs and Switch on Millivolt Unit FOR YOUR SAFETY READ BEFORE LIGHTING A. This appliance is equipped with an ignition device which automatically lights the pilot. Do not try to light the unit by hand. B. BEFORE OPERATING smell all around the appliance area for gas. Be sure[...]

  • Page 27

    65D1009 27 HI LO HI LO HI LO WARNING OPERATING INSTRUCTIONS MANUAL CONTROL LIGHTING INSTRUCTIONS TO TURN OFF HEATER 1. Turn control knob clockwise to OFF position to completely shut off the heater. 2. If applicable: Turn off all electric power to the heater. 1. STOP! Read the safety information. 2. Make sure the manual shutoff valve is fully open. [...]

  • Page 28

    28 65D1009 OPERATING INSTRUCTIONS MILLIVOLT CONTROL LIGHTING INSTRUCTIONS 1. STOP! Read the safety information label. 2. 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, see instructions for Match Lightin[...]

  • Page 29

    65D1009 29 WARNING OPERATING INSTRUCTIONS AND CLEANING AND SERVICING MATCH LIGHTING INSTRUCTIONS 1. Remove any items necessary for easy access to the pilot (for example: logs, screens, etc.). 2. Follow appropriate lighting instructions found previously. Instead of pushing and releasing the piezo button, light a match and hold the flame to the end o[...]

  • Page 30

    30 65D1009 Note: All troubleshooting items are listed in order of operation. WARNING TROUBLESHOOTING Turn appliance OFF and allow to cool before servicing. Only a qualified service person should service and repair the heater. WARNING OBSERVED PROB- POSSIBLE CAUSE REMEDY When ignitor button is pressed, there is no spark at ODS/pilot. 1. Ignitor elec[...]

  • Page 31

    65D1009 31 WARNING TROUBLESHOOTING If the gas quality is bad, your pilot may not stay lit, the burners may produce soot and the heater may backfire when lit. If the gas quality or pressure is low, contact your local gas supplier immediately. WARNING OBSERVED PROB- POSSIBLE CAUSE REMEDY ODS/pilot lights, but flame goes out when control knob is relea[...]

  • Page 32

    32 65D1009 1 4 7 - Manual 11 2 3 5 9 6 10 7 - Millivolt 8 ILLUSTRATED PARTS BREAKDOWN 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. WARNING[...]

  • Page 33

    65D1009 33 REPLACEMENT PARTS LIST REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER. Item Description Qty EYF18 EYF24 Natural Propane Natural Propane Common Parts 1 Burner 1 65D1053 65D1054 65D1055 65D1056 2 Piezo Ignitor 1 14D0503 14D0503 14D0503 14D0503 Manual Control 3 Injector 1 58D0051 20H3144 70D0064 57D0612 4 ODS Pilot Assembly 1 26D2529[...]

  • Page 34

    34 65D1009 1 2 3 4 1 3 2 4 4 3 1 2 5 ILLUSTRATED PARTS BREAKDOWN Item Description Qty. EYF24-F 1 Main Log 1 65D0006K 2 Front Log 1 65D1030K 3 Top Left Log 1 65D0008K 4 Top Right Log 1 65D0009K EYF24-F Item Description Qty. EYF18-R 1 Rear Log 1 65D1036K 2 Middle Log 1 65D1037K 3 Front Log 1 65D1038K 4 Top Log 1 65D1039K Item Description Qty. EYF24-R[...]

  • Page 35

    65D1009 35 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. Installation of the fireplace or vented gas log in the State of Massachusetts requires the [...]

  • Page 36

    JULY 2008 P/N 65D1009 • Rev. 4 MONESSEN HEARTH SYSTEMS CO. LIMITED LIFETIME WARRANTY POLICY LIFETIME WARRANTY The following components are warranted for life to the original owner, subject of proof of purchase: Chassis, Grate and Stainless Steel Burners. FIVE YEAR WARRANTY The following components are warranted for 5 years to the original owner, [...]