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UNVENTED GAS
CAST IRON STOVE
INSTALLATION AND OPERATING
INSTRUCTIONS
SINGLE DOOR MODELS:
CSVF20SNV CSVF30SNV
CSVF20SPV CSVF30SPV
DOUBLE DOOR MODELS:
VFCS20DNV VFCS30DNV
VFCS20DPV VFCS30DPV
Natural Gas or
Propane/LPG
Milli-Volt Control
This appliance may be installed in
an aftermarket, 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.
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 8.
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
– WHAT TO DO IF YOU SMELL GAS
– Installation and service must be performed by
READ AND SAVE THESE INSTRUCTIONS
WARNINGS
WARNINGS
vapors and liquids in the vicinity of this or any
other appliance.
• 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.
a qualified installer, service agency or the gas
supplier.
O N
O F
F
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Table of Contents
Related Manuals for Monessen Hearth Double Door VFCS20DNV
Summary of Contents for Monessen Hearth Double Door VFCS20DNV
- Page 1 UNVENTED GAS CAST IRON STOVE INSTALLATION AND OPERATING INSTRUCTIONS SINGLE DOOR MODELS: CSVF20SNV CSVF30SNV CSVF20SPV CSVF30SPV DOUBLE DOOR MODELS: VFCS20DNV VFCS30DNV VFCS20DPV VFCS30DPV Natural Gas or Propane/LPG Milli-Volt Control This appliance may be installed in an aftermarket, permanently located, manufactured (mobile) home, where not prohibited by local codes.
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Page 2: Table Of Contents
CONTENTS Important Safety Information ... 3 Product Features ... 5 Dimensions ... 6 Getting Started ... 7 Product Specifications ... 8 Ignition Controls ... 8 Pilot ... 8 Thermal Generator ... 8 General Installation Information ... 9 Codes ... 9 Adequate Combustion and Ventilation Air ... -
Page 3: Important Safety Information
INSTALLER Please leave these instructions with the appliance. Read these instructions carefully before installing or trying to operate this vent-free gas heater. • 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 4 IMPORTANT SAFETY INFORMATION Continued from page 3 16. Keep room area clear and free from combustible materi- als, 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. 18. Unvented gas heaters emit moisture into the living area. In most homes of average construction, this does not pose a problem. In houses of extremely tight construction, addition mechanical ventilation is recommended. 19. During manufacturing, fabricating and shipping, various components of this appliance are treated with certain oils, films or bonding agents. These chemicals are not harmful but may produce annoying smoke and smells as they are burned off during the initial operation of the...
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Page 5: Product Features
Optional Remote Receiver Break-Away Handle Optional Remote Receiver Piezo Hi/Lo Knob Off/Pilot/On Knob Figure 2 - Cast Iron Stove (Double Door) 58D6002 Handle Piezo Hi/Lo Knob Off/Pilot/On Knob Fan Switch Figure 1 - Cast Iron Stove (Single Door) Optional Fan Switch PRODUCT FEATURES On/Off Switch... -
Page 6: Dimensions
DIMENSIONS Figure 3 - Dimensions CSVF20S/VFCS20D CSVF30S/VFCS30D " 3" " " " " 58D6002... -
Page 7: What You Will Need For Installation
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: • Cast Iron Stove with Burner Assembly • Installation/Operating Instructions • Ceramic Fiber Logs • Touch-up Paint Millivolt controlled heater designed to be operated with optional devices for ON/OFF functions. • Hand-Held Remote with Manual Receiver • Wall Switch with 15' Wire Gloves are recommended when handling ceramic fiber logs to prevent skin irritation from loose fibers. Logs are fragile — handle with care. Carefully inspect the contents for shipping damage. If any parts are missing or damaged, immediately inform the dealer from whom you purchased the appliance. Do not attempt to install any part of the appliance unless you have all parts in good condition. -
Page 8: Product Specifications
PRODUCT SPECIFICATIONS NATURAL GAS NOTE: An external regulator is required to reduce supply pressure to a maximum of 10 systems operating at higher pressure. MILLIVOLT PRESSURE Regulator Pressure Setting: 3.5" w.c. Pilot Regulator: 3.5" w.c. Gas Inlet Pressure: Max. 10 1/2" w. c. Model Number CSVF0SNV/VFCS0DNV (G-EBL-ES-EMB) CSVF30SNV/VFCS30DNV (G-EBL-ES-EMB) PROPANE / LPG Note: An external regulator is required to reduce supply pressure to a maximum of 13" w.c. MILLIVOLT PRESSURE Regulator Pressure Setting: 10" w.c. Gas Inlet Pressure: Maximum 13" w.c. Minimum 11" w.c. Model Number CSVF0SPV/VFCS0DPV (G-EBL-ES-EMB) CSVF30SPV/VFCS30DPV (G-EBL-ES-EMB) IGNITION CONTROLS Piezo ignitor allows ignition of the pilot without the use of matches. -
Page 9: General Installation Information
Do not install the heater … • Where curtains, furniture, clothing, or other flammable objects are less than 42" from the front of the heater. • In high traffic areas. • In windy or drafty areas. 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… 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. - Page 10 GENERAL INSTALLATION INFORMATION Figure 4 - Example of a Large Room with 1/2 Wall Divider The following formula can be used to determine the maximum heater rating per the definition of unconfined space: Consider two connecting rooms with an open area between, with the following dimensions: If there were a door between the two rooms the calculation would be based only on the room with the heater. If the area in which the heater may be operated is smaller than that defined as an unconfined space or if the building is of unusually tight construction, provide adequate combustion and ventilation air by one of the methods described in the National Fuel Gas Code, ANSI Z223.1, NFPA54, Section 5.3 or applicable local codes.
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Page 11: Clearances / Height Requirements
The dimensions shown in Figure 5 are minimum clearances to maintain in installing this heater. Left and right clearances are determined when facing the front of the heater. Follow these instructions carefully to ensure safe installation. Failure to follow instructions exactly can create a fire hazard. The appliance cannot be installed on a carpet, tile or other combustible material other than wood flooring, the appliance shall be installed on a metal, wood or noncombustible material panel extending full width and depth of the appliance. - Page 12 CLEARANCES / HEIGHT REQUIRMENTS VF20 VF30 Note: Maintain minimum side and back clearances when placing stove in alcove. Figure 6 - Placing Stove in Alcove Tested Minimum Alcove Dimensions Height From Hearth Width 38½" 3" " 34" Depth 36" 36" 58D6002...
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Page 13: Removing Unit From Crate
1. Remove two (2) straps. See Figure 7. 2. Open plastic bag and slide to bottom of unit. See Figure 8. 3. Lift up on ash lip and pivot down to open control door. See Figure 9. 4. Lift up on front. Pivot bottom of front out. Remove front. See Figure 9. 5. Lift screen to remove. 6. Remove log box from inside of unit. 7. Lift unit off pallet. Lift unit up high enough to clear upright supports unit is sitting on. Note: You will need at least two (2) strong people to lift unit off of pallet. -
Page 14: Connecting The Gas
CONNECTING THE GAS NOTICE: A qualified gas appliance installer must connect the heater to the gas supply. Consult all local codes. 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. -
Page 15: Checking Gas Pressure
CHECkING GAS PRESSURE The heater gas inlet connection is 3/8" NPT at the valve. The inlet is located on left side of stove. Remove front control plate to better access the inlet. When tightening up the joint to the valve, hold the valve securely with a wrench to prevent movement. Test all gas joints from the gas meter to the heater valve for leaks using a gas analyzer or soap and water solution after completing connection. DO NOT USE AN OPEN FLAME. Check the gas pressure with the appliance burning and the control set to HIGH. MILLIVOLT CONTROL (FIGURE 11) The valve regulator controls the burner pressure which should be checked at the pressure test point. If outlet pressure is low, check inlet pressure against data plates or manual. Turn captured slotted screw counter clockwise 2 or 3 turns and then place tubing to pressure gauge over test point (Use test point “OUT” closest to control knob). After taking pressure reading, be sure and turn captured screw clockwise firmly to re-seal. Do not over torque. Check for gas leaks. NOTE: Remove control panel to access gas valve. CONNECTING REMOTE RECEIVER 1. Remove cover on control panel to show opening for remote receiver. See Figure 12. -
Page 16: Electrical Wiring
ELECTRICAL WIRING (MILLI-VOLT) The milli-volt valve is a self-powered combination gas control THAT DOES NOT REQUIRE 110 VAC TO OPERATE. Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. CONNECTION 1 = TP 2 = TP, TH 3 = TH CONNECTING OPTIONAL WALL SWITCH 1. Use 18 awg, two-wire cable, 15 feet maximum length. -
Page 17: Log Placement
Before you begin — This unit is supplied with four ceramic fiber logs. Do not handle these logs with your bare hands. Always wear gloves to prevent skin irritation from ceramic fibers. After handling the logs, wash your hands gently with soap and water to remove any traces of fibers. 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. -
Page 18: Installing Logs On Grate
LOG PLACEMENT VF20 INSTALLING LOGS ON GRATE (See Figure 15) 1. Install back log (#1) on back of burner assembly. 2. Install front log (#2) on 2 pegs on burner assembly. ROCk WOOL INSTALLATION (VF30 UNITS ONLY) 1. Break rock wool into dime-sized pieces. 2. Place rock evenly across rock wool tray and front burner as shown in Figure 16. • Rock wool depth must not be more than 1". • Do not place rock wool past the bend in rock wool tray. •... -
Page 19: Flame Appearance
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 PILOT FLAME The pilot flame must always be present when the heater is in operation. It should just touch the top of the ther- mocouple tip for natural. See Figure 17 for correct pilot flame. If the pilot flame does not touch the thermocouple, then the burners cannot function reliably. See Figure 18 for incorrect shape of pilot flame. -
Page 20: Checking The Burner Flame
FLAME APPEARANCE CHECkING BURNER FLAME In normal operation at full rate after 15 minutes, the following flame appearances should be observed: The left and right rear flames should be yellow and extend 1"-2" above middle logs. The yellow flames should not contact the logs. There should be glowing embers on the front surface of the middle log. Note: The flames and embers will be an opaque orange color during the burn off time. Middle Log OPERATING INSTRUCTIONS Avoid any drafts that alter burner flame patterns. -
Page 21: Operating Instructions
FOR YOUR SAFETY READ BEFORE LIGHTING A. This appliance is equipped with an ignition device which automatically lights the pilot. If the piezo is not working properly, see Match Lighting Instructions, page 24. B. BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor. WHAT TO DO IF YOU SMELL GAS: • Do not attempt to light any appliance. • Do not touch any electric 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. C. Use only your hand to push in, or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, don't try to repair it. Call a qualified service technician. Force or attempted repair may result in a fire or explosion. D. Do not use this appliance if any part of it has been under water. Immediately call a qualified service tech- nician to inspect the appliance and to replace any part of the control system and any gas control that has been under water. Optional Remote Receiver Hi/Lo Knob Off/Pilot/On Knob Figure 20 - Location of Piezo Ignitor, Control Knobs and Switch on Milli-volt Unit... -
Page 22: Milli-Volt Control Lighting Instructions
OPERATING INSTRUCTIONS 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 23. 4. Turn gas control knob clockwise 5. Wait (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow the instructions under What To Do If You Smell Gas, page 21. 6. From OFF position, turn the gas control knob counterclockwise control knob for 5 seconds. NOTE: If you are running the heater for the first time, it may be necessary to press in the control knob for 30 seconds or longer to allow air to bleed out of the gas piping. -
Page 23: Match Lighting Instructions
OPERATING INSTRUCTIONS MATCH LIGHTING INSTRUCTIONS 1. Open stove door. Remove any items necessary for easy access to the pilot (for example: logs, screens, etc.). 2. Follow appropriate lighting instructions found previously. Light a match and hold the flame to the end of the pilot and ignite the pilot. 3. After control knob has been released and pilot stays lit, reinstall any items that were removed for pilot access. Close and latch stove door. 4. Call a qualified service technician for repair or replacement of the piezo ignitor. CLEANING AND SERVICING Annual inspection and cleaning by your dealer or qualified service technician is recommended to prevent malfunction and/or sooting. Remove logs, handling carefully by holding gently at each end. Gloves are recommended to prevent skin irritation from ceramic fibers. If skin becomes irritated, wash gently with soap and water. Refer to manual for correct log placement. PERIODIC CLEANING - See parts diagram for location of items discussed below. • Do not use cleaning fluid to clean logs or any part of heater. - Page 24 REPLACEMENT PARTS BURNER ASSEMBLY VF20 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. 58D6002...
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Page 25: Replacement Parts List
REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER. BURNER ASSEMBLY Item Description Piezo Igniter VF Valve Tube Piezo Wire Burner Control Valve Burner Injector ODS Pilot Assembly On/Off Control Knob Hi/Lo Control Knob On/Off Switch Rear Log Front Log Accessories Flex Connector Wall Switch Kit Wall Thermostat Kit Hand Held Remote... - Page 26 REPLACEMENT PARTS BURNER ASSEMBLY VF30 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. 58D6002...
- Page 27 REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER. BURNER ASSEMBLY Item Description Piezo Ignitor /16 Union Tee Piezo Wire Front Burner Rear Burner Control Valve Front Burner Injector Rear Burner Injector ODS Pilot Assembly On/Off Control Knob Hi/Lo Control Knob On/Off Switch VF Valve Tube VF Rear Burner Tube VF Front Burner Tube...
- Page 28 REPLACEMENT PARTS LIST REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER. LOGS Item Description Back Log Bottom Left Log Bottom Right Log Left Top Log Right 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.
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Page 29: Troubleshooting
Note: All troubleshooting items are listed in order of operation. SYMPTOM POSSIBLE CAUSE When ignitor 1. Ignitor electrode positioned button is wrong. pressed, there 2. Ignitor electrode is broken. is no spark at ODS/pilot. 3. Ignitor electrode not connected to ignitor cable. 4. Ignitor cable pinched or wet. Keep ignitor cable dry. - Page 30 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. SYMPTOM POSSIBLE CAUSE ODS/pilot 1. Control knob not fully pressed...
- Page 31 Massachusetts Residents Only — Please read and follow these special requirements 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 damper to be permanently removed or welded in the fully open position. In addition, a naturally vented gas log may not be installed in a bedroom or bathroom in the State of Massachusetts.
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Page 32: Warranty
LIMITED LIFETIME WARRANTY MHS warrants its products to be free of defects in material and workmanship and backs each product with a Limited Lifetime Warranty. This warranty is to the original purchaser of a MHS product and is not transferable. LIFETIME WARRANTY Covered under this warranty are the stove body, combustion chamber, door frame, gold plating (manufacturing defects only), glass (thermal breakage only), heat exchange system, and burner. This coverage includes parts and reasonable labor during the first five years of ownership and parts only thereafter. FIVE YEAR WARRANTY Ceramic fiber logs, firebrick panels and secondary air tubes are covered for a period of five years from the date of pur- chase. TWO YEAR WARRANTY Gas valves, pilot assemblies, thermopiles, thermocouples, regulators, electrical components, cast iron grates and blowers are covered for a period of two years from the date of purchase. EXCLUSIONS Items that are not covered under this warranty include but are not limited to damage or chipping to any component surfaces, gasketing, refractory material, or trim. It does not cover installation or operational problems related to venting systems, inadequate draft, inadequate gas pressure, adjustments to the appliance, the cost of inspection, components which have been altered or modified, labor costs, removal and re-installation costs, shipping to or from the factory or authorized service center, shipping damage, damage from improper use or neglect, installation damage, damage from unauthorized service, incidental or consequential damage or negative pressure caused by mechanical systems such as furnaces, fans, clothes dryers etc. TERMS This warranty shall be void if the appliance is not installed a by qualified installer in accordance with the installation instruc- tions provided with the appliance and state and local codes. The warranty shall also be void if the appliance is not operated and maintained in accordance with the operating instructions supplied with the appliance. All service work must be performed by an authorized service representative. Any part or parts, which we deem defective, will be repaired or replaced at MHS’s option, through an authorized dealer or service provider. This warranty is expressly in lieu of other warranties, express or implied, including the warranty of merchantability of fitness for purpose and of all other obligations or liabilities. MHS does not assume for it any other obligations or liability in connec- tion with the sale or use of the appliance. In states that do not allow limitations on how long an implied warranty lasts, or do not allow exclusion of indirect damages, those limitations of exclusions may not apply to you. You may also have additional rights not covered in this Limited Warranty. MHS reserves the right to investigate any and all claims against the Limited Warranty and decide upon the method of settle- ment. MHS •...
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