Instruction/ maintenance manual of the product HVFL18 Monessen Hearth
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READ AND SA VE THESE INSTRUCTIONS MODELS: HVFL18 and HVFL24 Natural Gas or Propane/LPG Control T ype: Manual and Milli-V olt UNVENTED GAS LOG HEA TER OR VENTED DECORA TIVE APPLIANCE INST ALLA TION AND OPERA TING INSTRUCTIONS This is an unvented gas-fired heater .
2 59D1015 CONTENTS Important Safety Information .................................. 3 Getting Started .......................................................... 5 Product Features and Specifications .................... 6 Natural Gas .................
59D1015 3 IMPORT ANT SAFETY INFORMA TION 10. This unit complies with ANSI Z21.1 1.2-2001 Unvented Heat ers and als o compli es with ANSI Z 21.60- 2000 Dec o - rative V ented Appliances for Solid Fuel Burning Fire- places. State and local codes may only allow operation of this appliance in a vented configuration.
4 59D1015 IMPORT ANT SAFETY INFORMA TION Continued fr om 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 the primary heating appli- ance.
59D1015 5 MAKE SURE YOU HA VE RECEIVED ALL P ARTS: Check your packing list to verify that all listed parts have been received. Y ou should have the following: • Unvented gas log grate/burner assembl.
6 59D1015 PRODUCT FEA TURES AND SPECIFICA TIONS Gas Rate Model Number Control Max BTU/Hr Min BTU/Hr HVFL18NM MANUAL 28,000 18,000 HVFL18NV MILLIVOL T 28,000 20,000 HVFL24NM MANUAL 36,000 20,000 HVFL24.
59D1015 7 IGNITION CONTROLS Piezo ignitor allows ignition of the pilot without the use of matches or batteries. Manual control has three (3) positions: OFF - All gas to the gas logs is shut off at the valve. IGN - V alve position to light/maintain a standing pilot.
8 59D1015 GENERAL INST ALLA TION INFORMA TION CODES Adhere to all local codes or , in their absence, the latest edition of THE NA TIONAL FUEL GAS CODE ANSI Z223.1 or NFP A54 which can be obtained from… American National Standards Institute, Inc. 1430 Broadway New Y ork, NY 10018 or National Fire Pr otection Association, Inc.
59D1015 9 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.
10 59D1015 A C D B Model A B C D HVFL18 18" 13 1 / 4 " 27" 17" HVFL24 22 1 / 4 " 13 1 / 4 " 28 1 / 2 " 17" HVFL24 with 30" Logs 25 1 / 2 " 13 1 / 4 &q.
59D1015 1 1 Height of Restriction (X) Minimum Depth of Fireplace/Firebox No restriction 13 1 / 4 " 0 to 1 1 / 2 " 16" From 1 1 / 2 " to 3" 16" Greater than 3" ANY BARRIER GREA TER THAN THREE INCHES (3") PLACED IN FRONT OF THE GAS LOG SET IS NOT RECOMMENDED BY THE MANUF ACTURER.
12 59D1015 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.
59D1015 13 Measure this distance Heater in Fireplace or Firebox Heat Resistant Material Figure 5 - Measuring Heat Resistant Material Heat resistant material (minimum requirements) with no wooden mante.
14 59D1015 Heater in Fireplace or Firebox 8" or More of Heat Resistant Material Hood CLEARANCES and HEIGHT REQUIREMENTS Figure 6 - Measuring Heat Resistant Material for Mantel Heat resistant mate.
59D1015 15 Heater in Fireplace or Firebox Heat Resistant Material 10" 8" 6" 2 1 / 2 " 8" 14" 20 1 / 2 " 24 5 / 8 " 28" Heater in Fireplace or Firebox Heat .
16 59D1015 Heater in Fireplace or Firebox Heat Resistant Material 10" or less 12" min. 28" 2 1 / 2 " 8" 6" 7" 14 1 / 2 " 4" Figure 10 - Minimum Mantel Clea.
59D1015 17 Heater in Fireplace or Firebox 1 3 / 8 " Minimum Combustible Material 14" Minimum Heater in Fireplace or Firebox Combustible Material This Distance May Now Be Less than 5" FL.
18 59D1015 Damper Stop Damper Figure 13 - Damper Stop Installation. (See W ARNING at top of next page.) FIREPLACE PREP ARA TION BEFORE FULL Y INST ALLING THE UNIT : • T urn 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.
59D1015 19 INST ALLING VENTED APPLICA TIONS PLACING AND SECURING APPLIANCE ASSEMBL Y PROCEDURE: 1. Center the gas log unit in the fireplace or firebox. Make certain the front feet of the grate sit inside the front edge of the fireplace or firebox.
20 59D1015 Pipe Coupling T o Heater V alve Gas Supply Inlet CONNECTING THE GAS NOTICE: A qualified gas appliance installer must connect the heater to the gas supply . Consult all local codes. IMPORT ANT : Hold heater valve firmly with a wrench to prevent movement when connecting to inlet pipe.
59D1015 21 CHECKING GAS PRESSURE The heater gas inlet connection is a 3 / 8 " NPT at the valve. On all control type units, the inlet connection is on the right side of unit. T o connect from the opposite side, route the pipe around the back portion of the unit.
22 59D1015 ELECTRICAL WIRING (MILLI-VOL T) The milli-volt valve is a self-powered combination gas control T H AT D O E S N O T R E Q U I R E 110 V A C T O OPERA TE. CONNECTING OPTIONAL W ALL SWITCH OR THERMOST A T 1. Use 18 awg, two-wire cable, 15 feet maximum length.
59D1015 23 HIGH LOW 2 6 D33 1 7 TH E RMO S T A T S ETT IN G H I GH L OW 2 6 D 3 3 1 7 T H E R M O ST A T S ET TING ELECTRICAL WIRING (MILLI-VOL T) CONNECTING REMOTE RECEIVER THESE INSTRUCTIONS SUPERCEDE THE SECTION ENTITLED “HEARTH MOUNT” IN THE MILLI-VOL T HAND-HELD REMOTE INSTRUCTIONS SUPPLIED WITH THE REMOTE.
24 59D1015 HIGH LOW 26D3317 THERMOST AT SETTING ELECTRICAL WIRING (MILLI-VOL T) 5. Route wiring harnesses through lar ge hole on side of unit. Mount bracket to side of unit with screw provided. See Figur e 22. 6. Attach wiring harness to either TP/TH and TH on control valve or to existing wiring harness with two (2) 0.
59D1015 25 HIGH LOW 26D3317 THERMOSTA T SETTING A. COMPLETE MILLI-VOL T SYSTEM CHECK (“A” Reading - Thermostat contacts CLOSED - Control Knob “ON” - Main burner should turn ON) a. If the reading is more than 175 milli-volts and the automatic valve still does not come on, replace the control.
26 59D1015 ROCK WOOL AND LOG PLACEMENT Figure 26 - Installing Back Log Before you begin — This unit is supplied with four or five ceramic fiber logs. Do not handle these logs with your bare hands. Always wear gloves to prevent skin irritation from ceramic fibers.
59D1015 27 Figure 27 - Installing Left Log Cluster (#2) Left Log Cluster #2 Pin 2. Install left log cluster (#2) on pin located near left edge of base. See Figur e 27. 3. Install right log cluster (#3) on two pins located on right side of base. See Figur e 28.
28 59D1015 LOG PLACEMENT INST ALLING SPLIT MAPLE LOGS ON GRA TE 1. Install back log (#1) on two pins (2) located near the back of base. Check log position and stability . See Figur e 30. 2. Install right bottom log (#2) on two (2) pins located on right side of base.
59D1015 29 LOG PLACEMENT 5. Place front right middle log (#5) on protrusion of bottom right log. See Figur e 34. 6. Position back end right rear-to-middle log (#6) on back log. Rest front end of right rear -to-middle log (#6) on front right middle log.
30 59D1015 PLACING THE DECORA TIVE ROCK DO NOT sprinkle volcanic rock on the logs, around the pilot, or on or near burners. This may cause sooting. Place volcanic rock only on the floor of the fireplace. During initial operation of the new heater , burning logs will give off a paper burning smell and orange flames will be present.
59D1015 31 In normal operation at full rate after 15 minutes, the following flame appearances should be observed: Figure 42 - Correct Appearance of Rear Flames of Kentucky Stack The left and right rear flames should be yellow and extend 1"-2" above the mid log top surfaces.
32 59D1015 Figure 44 - Location of Piezo Ignitor , Control Knobs and Switch on Milli-volt, Thermostat, and Manual Units A. This appliance is equipped with a piezo ignition device which lights the pilot. If piezo is not working properly see Match Lighting Instructions , page 35.
59D1015 33 Push Push Rotate Rotate Rotate OPERA TING INSTRUCTIONS Figure 45 - IGN Position Figure 46 - HIGH Position Figure 47 - LOW Position 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.
34 59D1015 OPERA TING 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 35.
59D1015 35 OPERA TING INSTRUCTIONS AND CLEANING AND SERVICING CLEANING AND SERVICING Annual inspection and cleaning by your dealer or qualified service technician is recommended to prevent malfunction and/or sooting. PERIODIC CLEANING - Refer to parts diagram for location of items discussed below .
36 59D1015 OBSERVED PROBLEM When ignitor button is pressed, there is no spark at ODS/pilot. Ap pl ia nce p rod uc es u nw ant ed odors. Appliance shuts off during use. Gas odor even when control knob is in OFF position. When ignitor button is pressed, there is spark at ODS pilot, but no ignition.
59D1015 37 OBSERVED PROBLEM ODS/pilot lights, but flame goes out when control knob is released. Burner does not light after OD S/ pilot is lit. Burner backfires during com - bustion. Slight smoke or odor during initial operation. Logs appear to smoke after ini - tial operation.
38 59D1015 7 8 1 2 5 (Manual) 6 10 1 1 1 1 3 4 13 9 5 (Milli-V olt) 12 REPLACEMENT P ARTS Failure to position the parts in accordance with these diagrams or failure to use only parts specifically a p p r o v e d w i t h t h i s a p p l i a n c e m a y result in property damage or personal injury .
59D1015 39 REPLACEMENT P ARTS LIST REPLACEMENT P ARTS ARE A V AILABLE THROUGH YOUR RET AILER. Accessories Sold Separately 13 Thermostat Sensor 26D3314 All Models Thermostat Sensor Kit TS All Models Fl.
40 59D1015 4 1 2 3 REPLACEMENT P ARTS ARE A V AILABLE THROUGH YOUR RET AILER. Item Description Qty KSCL18 KSCL24 KSCL30 1 Back Log 1 59D1238K 59D1248K 59D1258K 2 Left Log Cluster 1 59D1234K 59D1244K 5.
59D1015 41 1 2 3 7 8 4 5 6 REPLACEMENT P ARTS LIST REPLACEMENT P ARTS ARE A V AILABLE THROUGH YOUR RET AILER. Item Description Qty SMRL18 SMRL24 SMRL30 1 Back Log 1 59D1260 59D1268 59D1276 2 Right Bot.
NOTE REGARDING VENTED PRODUCTS This product must be installed by a licensed plumber or gas fi tter when installed within the Commonwealth of Massachusetts.
SPECIAL REQUIREMENTS CONTINUED 2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accor- dance with the above provisions shall comply with NFP A 720 and be ANSI/UL 2034 listed and IAS certi- fi ed.
September 2006 P/ N 59D1015 • Rev . 4 MONESSEN HEAR TH SYSTEMS LIMITED LIFETIME W ARRANTY POLICY LIFETIME W ARRANTY The following components are warranted for life to the original owner , subject of proof of purchase: Firebox, Combustion Chamber , Heat Exchanger , Grate, and Stainless Steel Burners.
An important point after buying a device Monessen Hearth HVFL18 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Monessen Hearth HVFL18 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Monessen Hearth HVFL18 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Monessen Hearth HVFL18 you will learn all the available features of the product, as well as information on its operation. The information that you get Monessen Hearth HVFL18 will certainly help you make a decision on the purchase.
If you already are a holder of Monessen Hearth HVFL18, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Monessen Hearth HVFL18.
However, one of the most important roles played by the user manual is to help in solving problems with Monessen Hearth HVFL18. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Monessen Hearth HVFL18 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
