Unvented (vent-free) propane/lp gas log heater variable manually-controlled models also design-certified as vented decorative appliances ® save this manual for future reference. This appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohibited by state or local code...
2 104309 unvented propane/lp gas log heater vanguard flame-max ® safety information danger: carbon monoxide poisoning may lead to death! Carbon monoxide poisoning: early signs of carbon monoxide poisoning re- semble the flu, with headaches, dizziness, or nausea. If you have these signs, the heater m...
3 104309 owner’s manual product identification local codes install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of the national fuel gas code ans z223.1, also known as nfpa 54*. *available from: american national standards institute, inc. 14...
4 104309 unvented propane/lp gas log heater vanguard flame-max ® providing adequate ventilation the following are excerpts from national fuel gas code. Nfpa 54/ans z223.1, sec- tion 5.3, air for combustion and ventilation. All spaces in homes fall into one of the three following ventilation classifi...
5 104309 owner’s manual determining fresh-air flow for heater location determining if you have a confined or unconfined space use this work sheet to determine if you have a confined or unconfined space. Space: includes the room in which you will install heater plus any adjoining rooms with doorless ...
6 104309 unvented propane/lp gas log heater vanguard flame-max ® air for combustion and ventilation continued ventilation air ventilation air from inside building this fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must pro- vide two p...
7 104309 owner’s manual log sizing requirements log minimum firebox size height depth front rear * width width 18" 17" 14" 24" 20" 24" 17" 14" 28" 21" 30" 17" 14" 34" 24" 36" 17" 14" 40" 30" installation and clearances (vent-free operation only) figure 4 - minimum clearance to wall and ceiling warni...
8 104309 unvented propane/lp gas log heater vanguard flame-max ® installation continued minimum noncombustible material clearances if not using mantel note: if using a mantel, proceed to if using mantel. If not using a mantel, follow the information below. You must have noncombustible material(s) ab...
9 104309 owner’s manual figure 7 - minimum mantel clearances when using hood installation continued figure 6 - minimum mantel clearances without using hood mantel clearances in addition to meeting noncombustible mate- rial clearances, you must also meet required clearances between fireplace opening ...
10 104309 unvented propane/lp gas log heater vanguard flame-max ® installation continued installing heater base assembly warning: if installing in a sunken fireplace, special care is needed. You must raise the fire- place floor to allow access to heater control panel. This will in- sure adequate air...
11 104309 owner’s manual connecting to gas supply notice: a qualified service per- son must connect heater to gas supply. Follow all local codes. Caution: never connect heater directly to the propane sup- ply. This heater requires an exter- nal regulator (not supplied). Install the external regulato...
12 104309 unvented propane/lp gas log heater vanguard flame-max ® on position off position figure 15 - manual shutoff valve open closed manual shutoff valve figure 16 - checking gas joints warning: never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. B...
13 104309 owner’s manual installation continued warning: failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. Installing logs it is very important to install the logs exac...
14 104309 unvented propane/lp gas log heater vanguard flame-max ® 1. Stop! Read the safety information, column 1. 2. Make sure manual shutoff valve is fully open. 3. Set switch in off position. Operating heater for your safety read before lighting warning: if you do not fol- low these instructions e...
15 104309 owner’s manual figure 20- pilot ignitor electrode pilot burner 8. Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob. • if control knob does not pop out when released, contact a qualified service person or gas supplier for repairs. Note...
16 104309 unvented propane/lp gas log heater vanguard flame-max ® important: this remote control has been specially engineered to take an air temperature sample ev- ery 5.5 minutes in the auto mode. It will not respond immediately to the temperature setting being turned up or down. Important: the ha...
17 104309 owner’s manual troubleshooting warning: turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. Caution: never use a wire, needle, or similar object to clean ods/pilot. This can damage ods/ pilot unit. Possible cause 1. Ignitor elect...
18 104309 unvented propane/lp gas log heater vanguard flame-max ® observed problem burner does not light after ods/pilot is lit delayed ignition burner burner backfiring during combustion slight smoke or odor during initial operation moisture/condensation noticed on windows heater produces a whistli...
19 104309 owner’s manual troubleshooting continued warning: if you smell gas • shut off gas supply. • 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’...
20 104309 unvented propane/lp gas log heater vanguard flame-max ® specifications golden oak golden oak 18" remote 24”,30”,and 36" ready remote ready btu (variable) 16,000/30,000 20,000/39,000 type gas propane only propane only ignition piezo piezo pressure manifold 8.0" w.C. 8.0" w.C. Inlet gas pres...
21 104309 owner’s manual cleaning and maintenance warning: turn off heater and let cool before cleaning. Caution: you must keep control areas, burner, and circu- lating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a quali- fied servi...
22 104309 unvented propane/lp gas log heater vanguard flame-max ® illustrated parts breakdown flame-max™ golden oak log models vyd18pr, vyd24pr, vyd30pr, and vyd36pr 4 13 13 14 22 13 8 18 7 6 9 1 12 5 23 16 15 17 3 11 2 10 10 19 24 19 20 21 o f f p il ot o n h i l o o f f p il ot o n h i l o * note:...
23 104309 owner’s manual parts list vyd18pr, vyd24pr, vyd30pr, and vyd36pr this list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under replacement parts on page 20 of this manual. Key part number for no. Vyd18pr vyd24pr vyd30pr vyd36pr descript...
24 104309 unvented propane/lp gas log heater vanguard flame-max ® accessories purchase these heater accessories from your local dealer. If they can not supply these accessories, call desa international’s parts department at 1-800-972-7879 for referral information. You can also write to the ad- dress...
25 104309 owner’s manual notes _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________________________________________________________...
Keep this warranty warranty information always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty. We make no other warranty, expressed or i...