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HVFL Unvented Gas Logs

59D1016

39

LIFETIME WARRANTY

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.

FIVE YEAR WARRANTY

The following components are warranted for 5 years to the original owner, subject of proof of pur-
chase: Vent Free Ceramic Fiber Logs and Aluminized Burners.

BASIC WARRANTY

MHSC warrants the components and materials in your gas appliance to be free from manufacturing 
and material defects for a period of two years from date of installation. After installation, if any of 
the components manufactured by MHSC in the appliance are found to be defective in materials or 
workmanship, MHSC will, at its option, replace or repair the defective components at no charge to 
the original owner. MHSC will also pay for reasonable labor costs incurred in replacing or repairing 
such components for a period of two years from the date of installation. Any products presented for 
warranty repair must be accompanied by a dated proof of purchase.
This Limited Lifetime Warranty will be void if the appliance is not installed by a qualified installer in 
accordance with the installation instructions. The Limited Lifetime Warranty will also be void if the 
appliance is not operated and maintained according to the operating instructions supplied with the 
appliance, and does not extend to (1) firebox/burner assembly damage by accident, neglect, misuse, 
abuse, alteration, negligence of others, including the installation thereof by unqualified installers, 
() the costs of removal, reinstallation or transportation of defective parts on the appliance, or (3) 
incidental or consequential damage. All service work must be performed by an authorized service 
representative.
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. MHSC does not assume 
for it any other obligations or liability in connection 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 
damage, those limitations of exclusions may not apply to you. You may also have additional rights 
not covered in this Limited Lifetime Warranty.
MHSC reserves the right to investigate any and all claims against the Limited Lifetime Warranty and 
decide upon method of settlement.

IF WARRANTY SERVICE IS NEEDED...

1.  Contact your supplier. Make sure you have your warranty, your sales receipt and the model/serial 

number of your MHSC product.

.  DO NOT ATTEMPT TO DO ANY SERVICE WORK YOURSELF.

LIMITED LIFETIME WARRANTY

Summary of Contents for 18HVFL

Page 1: ...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 agen...

Page 2: ...E 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 wa...

Page 3: ...area of firebox Ceiling fans may create drafts that alter burner flame patterns Sooting and improper burning will occur 14 Caution Candles incense oil lamps etc produce combustion byproducts includin...

Page 4: ...er Immediately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water 24 This appliance must not be...

Page 5: ...um of 13 0 w c for LP systems 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 s...

Page 6: ...t sensor 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 o...

Page 7: ...ealed b weather striping has been added on openable windows and doors and c caulking or sealants are applied to areas such as joints around window and door frames between sole plates and floors betwee...

Page 8: ...cs of the fireplace which in turn can cause the unit to overheat and malfunction WARNING Important information for the installation of this gas log set The following are guidelines for placing a gas l...

Page 9: ...logs into a fireplace with no wooden mantel shelf or other combustible projection above the fireplace opening measure the heat resistant material height per Figure 5 then see TABLE A Heat resistant ma...

Page 10: ...ast 12 and observe material to at least 12 profiles shown on Page 15 and observe profiles Fig 7 shown on Page 16 Fig 9 Less than 8 Extend heat resistant mat l Extend heat resistant to at least 8 insta...

Page 11: ...mum acceptable distance of 6 If your mantel profile is unsafe you may either Raise the mantel to an acceptable height or Remove the mantel 1 6 Minimum FP2801 combustible floor Heater in Fireplace or F...

Page 12: ...sote or other obstructions Have this cleaning performed annually after installation Seal any fresh air vents or ash clean out doors located on floor or wall of fireplace If not drafting may cause pilo...

Page 13: ...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 Dat...

Page 14: ...ulator is preset and locked to dis courage tampering If the pressure is not as specified replace the regulator with the correct part from the parts list in this manual Remove 1 8 NPT plug located on s...

Page 15: ...s can cause improper and dangerous operation Verify proper operation after servicing WARNING The milli volt valve is a self powered combination gas control that does not require 110 Vac to oper ate Co...

Page 16: ...ry life You can protect the receiver and extend battery life by mounting the receiver in a wall or other location outside the fireplace FP2813 remote receiver Remote Wire Con nectors Remote Receiver F...

Page 17: ...two 2 0 250 male spade terminals for remote or t stat option Figures 22 and 23 7 Install knob to shaft of t stat sensor Figure 22 8 Place thermo bulb in front of the firebox for incoming air HIGH LOW...

Page 18: ...millivolt meter hav ing a 1 1000 mV range Conduct each check shown in chart by connecting meter test leads to terminals as indicated A Complete Millivolt System Check A Reading Thermostat contacts CLO...

Page 19: ...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 Pla...

Page 20: ...Cluster 3 Pins LG956 LG957 HVFL SH top center log Top Center Log 4 LG957 Figure 29 2 Place left log cluster 2 on pin located near left edge of base Figure 27 3 Place right log cluster 3 on two pins l...

Page 21: ...stability Figure 30 2 Place right bottom log 2 on two 2 pins located on right side of base Figure 31 LG958 HVFL SP back log Rear Log 1 Pins LG958 Figure 30 LG959 HVFL SP right bottom log Right Bottom...

Page 22: ...g 6 LG962 Figure 34 4 Rest back end of top middle log 4 on rear log and place front end of top middle log 4 on bottom right and left logs Figure 33 5 Place top right back log 5 on right bottom log and...

Page 23: ...e present when the heater is in operation It should just touch the top of the thermocouple tip for natural Refer to Figure 35 for correct pilot flame If the pilot flame does not touch the thermocouple...

Page 24: ...Figure 37 Seasoned Hardwood Correct Rear Flame Appearance Figure 38 Stacked Pine Correct Rear Flame Appearance LG963 LG964 The left and right rear flames should be yellow and extend 1 2 above the mid...

Page 25: ...e chemicals are not harmful but may produce annoy ing smoke and smells as they are burned off during the initial operation of the appliance possibly causing headaches or eye or lung irritation This is...

Page 26: ...tions 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 tr...

Page 27: ...release the piezo ignitor button to light the ODS pilot The pilot is located on the left side of the heater behind the middle log and in front of the back log If piezo ignitor does not light the pilo...

Page 28: ...gas control knob counterclockwise to IGN position Push in control knob for 5 seconds 7 With the control knob pushed in push in and release the piezo ignitor button to light the pilot 8 Continue pushin...

Page 29: ...diagram for location of items discussed below Do not use cleaning fluid to clean logs or any part of heater Brush logs with soft bristle brush or vacuum with brush attachment Vacuum loose particles a...

Page 30: ...utoff valve closed 2 Control knob not in PILOT position 3 Control knob not pressed in while in PILOT position 4 Air in gas lines when installed 5 ODS pilot is clogged 6 Gas regulator setting is not co...

Page 31: ...clogged or dam aged 2 Burner is damaged 3 Gas regulator is defective 1 Vapors from paint or curing process of logs 1 Turning control knob to HIGH posi tion when burner is cold 2 Air in gas line 3 Dir...

Page 32: ...2 5 Manual 6 10 11 11 3 4 13 9 5 Millivolt 12 591015 HVFL parts WARNING Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this ap...

Page 33: ...11 Control Knob 1 18D0603 18D0603 18D0603 18D0603 Millivolt Control 5 Control Valve 1 14D0467 14D0468 14D0467 14D0468 8 Front Burner Injector 1 59D2008 59D2010 59D2012 59D2014 9 Rear Burner Injector...

Page 34: ...or failure to use only parts specifically approved with this appliance may result in property damage or personal injury Seasoned Hardwood Logs Ref Description Qty 18HSHCL 24SHCL 30SHCL 1 Back Log 1 5...

Page 35: ...Qty 18SPRL 24SPRL 30SPRL 1 Back Log 1 59D1300 59D1307 59D1314 2 Right Bottom Log 1 59D1301 59D1308 59D1315 3 Left Bottom Log 1 59D1302 59D1309 59D1316 4 Top Middle Log 1 59D1305 59D1312 59D1319 5 Top...

Page 36: ...HVFL Unvented Gas Logs 36 59D1016...

Page 37: ...HVFL Unvented Gas Logs 59D1016 37...

Page 38: ...ith the above requirements provided however that during said thirty 30 day period a battery operated carbon monoxide detector with an alarm shall be installed Massachusetts Residents Only Please read...

Page 39: ...nty will also be void if the appliance is not operated and maintained according to the operating instructions supplied with the appliance and does not extend to 1 firebox burner assembly damage by acc...

Page 40: ...MHSC 149 Cleveland Drive Paris Kentucky 40361 www mhsc com...

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