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Summary of Contents for Monessen Hearth PH18PV
- Page 1 This Owner's Manual is provided and hosted by Appliance Factory Parts. Monessen Hearth PH18PV Owner's Manual Shop genuine replacement parts for Monessen Hearth PH18PV Find Your Monessen Hearth Fireplace Parts - Select From 701 Models -------- Manual continues below --------...
- Page 2 Unvented Gas Log Heater/ Vented Decorative Appliance Installation and Operating Instructions Models: PH18 (for use with PH18R Log Sets) PH24 (for use with PH24R or PH30R Log Sets) 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.
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Page 3: Table Of Contents
PH Gas Logs CONTENTS Thank you and congratulations on your purchase of an Monessen Log Set. 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. Carbon Monoxide Warning ........ -
Page 4: Important Safety Information
PH Gas Logs IMPORTANT SAFETY INFORMATION INSTALLER OWNER Please leave these instructions with the appliance. Please retain these instructions for future reference. • Any change to this heater or its controls can be dangerous. • Improper installation or use of the heater can cause serious injury or death from fire, burns, explosion or carbon monoxide poisoning. -
Page 5: Codes
PH Gas Logs IMPORTANT SAFETY INFORMATION as they are burned off during the initial operation of the appliance; possibly causing headaches or eye or lung Never connect unit to private (non-utility) irritation. This is a normal and temporary occurrence. gas wells. This gas is commonly known The initial break-in operation should last two to three as wellhead gas. -
Page 6: Product Features
Manual 19,000 36,000 the valve. PH24NV Nat. Millivolt 24,000 36,000 - Valve position to light/maintain a PH18PM Manual 22,500 30,000 PH18PV Millivolt 24,500 30,000 standing pilot. PH24PM Manual 25,000 36,000 HI/LOW - Variable position corresponding to PH24PV Millivolt 29,000 36,000 desired flame height. -
Page 7: Getting Started
PH Gas Logs GETTING STARTED Carefully inspect the contents for shipping damage. If any • Handle the gas log burner assembly by parts are missing or damaged, immediately inform the the burner only. Do not pick the unit up dealer from whom you purchased the appliance. Do not by the burners or grate (not attached to attempt to install any part of the appliance unless you frame). -
Page 8: Fireplace And Hearth Dimensions
PH Gas Logs FIREPLACE and HEARTH DIMENSIONS This appliance is for installation only in a solid-fuel burning masonry or UL127 factory-built fireplace, vent free appliance, or in listed ventless firebox enclosure. It has been design certified for these installations. Exception: DO NOT install this appliance in a factory-built fireplace that includes instructions stating it has not been tested or should not be used with unvented gas logs. -
Page 9: Adequate Combustion Ventilation Air
PH Gas Logs ADEQUATE COMBUSTION VENTILATION Counter This heater shall not be installed in a confined space or Fireplace 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 (4.8m per kw) of the aggregate input rating of all appliances installed in... -
Page 10: Clearances And Height Requirements
PH Gas Logs CLEARANCES HEIGHT REQUIREMENTS The dimensions shown in Figures 4 through 12 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. When heater is installed into a ventless firebox, minimum clearances, as specified by the ventless firebox manufacturer, must be met. -
Page 11: Installation Requirements
PH Gas Logs INSTALLATION REQUIREMENTS 12" 10" 8" 6" 8" or More of Heat Heat Resistant Material 2¹⁄₂" Resistant Material Hood 8" 14¹⁄₂" 18⁵⁄₈" 22¹⁄₂" 26" Heater in Hood Fireplace or Figrebox Heater in Fireplace or Firebox FP2923 Figure 6 - Measure Heat Resistant Material for Mantel FP2534 Heat resistant material (minimum requirements) with... - Page 12 PH Gas Logs FLOOR CLEARANCE The gas log heater may be installed nearer to the floor if a The gas log heater must be installed at least 5" above minimum of 14" of noncombustible material such as slate any combustible flooring material, such as carpeting or or marble is installed between the base of the fireplace and tile, which is closer than 14"...
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Page 13: Installation
PH Gas Logs INSTALLATION BEFORE FULLY INSTALLING THE UNIT: DAMPER STOP INSTALLATION: A damper stop must be provided with the unit. Contact your • Turn OFF the gas supply to the fireplace or fire- dealer to obtain one. The damper stop must be installed as box. -
Page 14: Assembly Procedure
PH Gas Logs INSTALLATION ASSEMBLY PROCEDURE Use new black iron or steel pipe. Internally 1. Center the gas log unit in the fireplace or firebox. tinned copper or copper tubing can be used per National Fuel Code, section 2.6.3, 2. Install Grate: Insert longest middle grate bar in one of the two square holes in control panel. -
Page 15: Check Gas Pressure
INSTALLATION PH Gas Logs CHECK GAS PRESSURE MILLIVOLT CONTROL The heater gas inlet connection is a 3/8" NPT at the valve. Figure 15 All units have the inlet connection on the right side, when The valve regulator controls the burner pressure which you face the unit. -
Page 16: Electrical Wiring - Millivolt
PH Gas Logs 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. ODS Pilot On/Off Switch ODS Pilot Wall Switch Millivolt Valve On/Off Switch Spade Terminal TH = 3 TP = 1... -
Page 17: Optional Remote Receiver
PH Gas Logs ELECTRICAL WIRING - MILLIVOLT CONNECT OPTIONAL REMOTE RECEIVER CHECK SYSTEM OPERATION Follow instructions supplied with the remote. The millivolt system and individual components may be checked with a millivolt meter having a 1-1000 mV range. Connect the wires to the two .25" male connectors Conduct each check shown in chart by connecting meter located on the left side of the valve when facing the test leads to terminals as indicated. -
Page 18: Log Placement
PH Gas Logs LOG PLACEMENT The positioning of the logs are 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 19 PH Gas Logs LOG PLACEMENT 4. Place Front Log (#4) in between burner and grate so that notched areas fit between grate supports. Figure 19 Figure 19 LG1086 Front Log #4 Left Top Log #5 Right Top Log #6 5. Rest Left Top Log (#5) on front LG1086 and rear log cutouts.
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Page 20: Ph24-R
PH Gas Logs LOG PLACEMENT The positioning of the logs are 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 21 PH Gas Logs LOG PLACEMENT 4. P l a c e F r o n t L o g ( # 4 ) i n between burner and grate so that notched areas fit between grate supports. Figure 23 Figure 23 LG1090 Front Log #4 Left Top Log #5...
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Page 22: Ph30-R
PH Gas Logs LOG PLACEMENT The positioning of the logs are 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 23 PH Gas Logs LOG PLACEMENT 4. Place Front Log (#4) in between burner and grate so that notched areas fit between grate supports. Figure 27 LG1094 Figure 27 Front Log #4 Right Top Left Top Log #5 Log #6 LG1094 PH30 log 4 5.
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Page 24: Flame Appearance
PH Gas Logs FLAME APPEARANCE Flames from the pilot, front and rear burner should be If the pilot flame does not touch the thermocouple, then visually checked as soon as the heater is installed. the main burner cannot function reliably. Refer to Figures In addition, periodically check the flames visually during 30 and 32 for incorrect pilot flame appearance operation. -
Page 25: Burner Flame
PH Gas Logs FLAME APPEARANCE In normal operation at full rate after 15 minutes, the The left and right flames should be yellow and extend 1" following flame appearances should be observed: to 2" above the log top surfaces. The yellow flames should not contact the logs. -
Page 26: Operating Instructions
PH Gas Logs CHECKING THE BURNER FLAME OPERATING INSTRUCTIONS Avoid any drafts that alter burner flame patterns. Do not allow fans to blow directly into the fireplace. Do not place a blower inside the burn area of the firebox. Ceiling fans may create drafts that alter flame patterns. -
Page 27: For Your Safety Read Before Lighting
PH Gas Logs OPERATING INSTRUCTIONS 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 unit by hand. -
Page 28: Manual Control Lighting Instructions
OPERATING INSTRUCTIONS PH Gas Logs MANUAL CONTROL LIGHTING INSTRUCTIONS 1. STOP! Read the safety information. 2. Make sure the manual shutoff valve is fully open. 3. This heater is equipped with an ignition device (piezo) which automatically lights the pilot. Rotate 4. -
Page 29: Millivolt Control Lighting Instructions
PH Gas Logs 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, refer to instructions for Match Lighting Instructions, Page 29. -
Page 30: Match Lighting Instructions
PH Gas Logs OPERATING INSTRUCTIONS and CLEANING & 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 of the pilot and ignite the pilot. -
Page 31: Troubleshooting
PH Gas Logs TROUBLESHOOTING Turn off appliance and allow to cool before cleaning. Only a qualified service person should service and repair the heater. NOTE: All troubleshooting items are listed in order of operation. Problem Possible Cause Solution When ignitor button is 1. - Page 32 PH Gas Logs TROUBLESHOOTING Problem Possible Cause Solution 1. Press in control knob fully. ODS/pilot lights, but flame 1. Control knob not fully pressed in. goes out when control 2. After ODS/pilot lights, keep control knob 2. Control knob not pressed in long knob is released.
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Page 33: Service Parts
Ending Manufacturing Date: Active PH18NM (Natural Gas Manual Control) PH18PM (Propane Manual Control) PH18NV (Natural Gas Millivolt Control) PH18PV (Propane Millivolt Control) Part number list on following page. 03/20 Monessen • PH18/24 Installation/Owner's Manual • 65D2035 • Rev G • 03/2020... - Page 34 SERVICE PARTS PH Gas Logs PH18 Service Parts Beginning Manufacturing Date: NA Ending Manufacturing Date: Active IMPORTANT: THIS IS DATED INFORMATION . Parts must be ordered from a dealer or Stocked Hearth and Home Technologies does not sell directly to consumers distributor.
- Page 35 PH Gas Logs SERVICE PARTS PH18 Service Parts Beginning Manufacturing Date: NA Ending Manufacturing Date: Active 13.6 13.1 13.5 13.3 13.2 13.4 IMPORTANT: THIS IS DATED INFORMATION . Parts must be ordered from a dealer or Stocked Hearth and Home Technologies does not sell directly to consumers distributor.
- Page 36 SERVICE PARTS PH Gas Logs PH24 Service Parts Beginning Manufacturing Date: NA 24” Hearth Kit Ending Manufacturing Date: Active PH24NM (Natural Gas Manual Control) PH24PM (Propane Manual Control) PH24NV (Natural Gas Millivolt Control) PH24PV (Propane Millivolt Control) Part number list on following page. 03/20 Monessen •...
- Page 37 PH Gas Logs SERVICE PARTS PH24 Service Parts Beginning Manufacturing Date: NA Ending Manufacturing Date: Active IMPORTANT: THIS IS DATED INFORMATION . Parts must be ordered from a dealer or Stocked Hearth and Home Technologies does not sell directly to consumers distributor.
- Page 38 SERVICE PARTS PH Gas Logs PH24 Service Parts Beginning Manufacturing Date: NA Ending Manufacturing Date: Active IMPORTANT: THIS IS DATED INFORMATION . Parts must be ordered from a dealer or Stocked Hearth and Home Technologies does not sell directly to consumers distributor.
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Page 39: Accessories
PH Gas Logs ACCESSORIES Accessories Flex Connector Flexcon 30 All Models Wall Switch Kit MVSW Millivolt Only Wall Thermostat Kit Millivolt Only Remote Controls RCMT, RCB, RCBE Millivolt Only Thermostat Remote Controls RCT, RCST, RCSITE, WWTA, WWTD Millivolt Only Monessen • PH18/24 Installation/Owner's Manual • 65D2035 • Rev G • 03/2020... -
Page 40: Massachusetts Residents Only
MASSACHUSETTS RESIDENTS ONLY PH Gas Logs Please read and follow these special requirements NOTE REGARDING VENTED PRODUCTS 2. Approved Carbon Monoxide Detectors. Each carbon This product must be installed by a licensed plumber or monoxide detector as required in accordance with the above gas fitter when installed within the Commonwealth of provisions shall comply with NFPA 720 and be ANSI/UL 2034 Massachusetts. -
Page 41: Warranty
PH Gas Logs Hearth & Home Technologies LIMITED LIFETIME WARRANTY Hearth & Home Technologies, on behalf of its hearth brands (“HHT”), extends the following warranty for HHT gas, wood, pellet and electric hearth appliances that are purchased from an HHT authorized dealer. WARRANTY COVERAGE: HHT warrants to the original owner of the HHT appliance at the site of installation, and to any transferee taking ownership of the appliance at the site of installation within two years following the date of original purchase, that the HHT appliance will be free from... - Page 42 PH Gas Logs WARRANTY CONDITIONS: • This warranty only covers HHT appliances that are purchased through an HHT authorized dealer or distributor. A list of HHT authorized dealers is available on the HHT branded websites. • This warranty is only valid while the HHT appliance remains at the site of original installation. •...
- Page 43 PH Gas Logs Monessen, a brand of Hearth & Home Technologies 7571 215th Street West, Lakeville, MN 50044 www.monessenhearth.com Monessen • PH18/24 Installation/Owner's Manual • 65D2035 • Rev G • 03/2020...
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