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111826-02C

For more information, visit www.desatech.com

2

SAFETY INFORMATION

Carbon Monoxide Poisoning:

 Early signs of carbon mon ox ide 

poisoning re sem ble the fl u, with head aches, dizziness, or nau sea. 
If you have these signs, the log set may not be working properly. 
Get fresh air at once! Have log set serviced. Some people are more 
affected by carbon monoxide than others. These include preg nant 
wom en, peo ple with heart or lung disease or ane mia, those under 
the in fl u ence of alcohol, and those at high altitudes.

Natural & LP Gas :

 Natural & LP gas are odorless. An odor-mak-

ing agent is added to the gas. The odor helps you detect a gas leak. 
However, the odor added to the gas can fade. Gas may be present 
even though no odor exists.

Make certain you read and understand all warnings. Keep this 
manual for reference. It is your guide to safe and proper operation 
of this log set.

WARNING ICON

G 001

  WARNINGS

IMPORTANT: Read this owner’s man u al carefully and 
completely be fore trying to assemble, op er ate, or ser-
 vice this log set. Im prop er use of this log set can cause 
se ri ous injury or death from burns, fi re, ex plo sion, elec-
trical shock, and carbon mon ox ide poi son ing.

  DANGER: Carbon mon ox ide poisoning may lead 

to death!

  WARNING: Any change to this log set or its con-

trols can be dan ger ous.

  WARNING: Keep fl ue open when operating unit.

TABLE OF CONTENTS
SAFETY INFORMATION

1.     This appliance, as supplied, is only for use with the type of gas 

indicated on the rating plate. 

2.    If you smell gas

•   shut off gas supply
•   do not try to light any appliance
•   do not touch any elec tri cal switch; do not use any phone in 

TABLE OF CONTENTS

SAFETY INFORMATION..............................................................2

LOCAL CODES ............................................................................3

PRODUCT IDENTIFICATION.......................................................3

UNPACKING.................................................................................4

PRODUCT FEATURE ..................................................................4

INSTALLATION ............................................................................7

OPERATING AP PLI ANCE..........................................................11

INSPECTING BURNERS  ..........................................................13

CLEANING AND MAINTENANCE .............................................13

TROUBLESHOOTING................................................................14

REPLACEMENT PARTS ............................................................18

ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST .........20

ACCESSORIES..........................................................................22

OWNER'S REGISTRATION FORM............................................23

WARRANTY INFORMATION ...................................... Back Cover

your build ing

•   immediately call your gas supplier from a neighbor’s phone. 

Follow the gas supplier’s instructions

•   if you cannot reach your gas sup plier, call the fi re  de part ment

3.    Never install the log set

•   in a recreational vehicle
•   where curtains, furniture, clothing, or other fl ammable ob-

 jects are less than 42 inches from the front, top, or sides of 
the log set

•   in high traffi c areas
•   in windy or drafty areas

4.     Before installing in a solid fuel burn ing fi replace, the chim ney 

fl ue and fi re box must be cleaned of soot, creosote, ash es and 
loose paint by a qualifi ed chimney cleaner. Creosote will ig nite 
if highly heated.  Inspect chimney fl ue for damage. If dam aged, 
repair fl ue before operating appliance.

5.     You must operate this log set with fi replace doors or screens in 

place and fully closed. Unless provided by other means,  screens 
shall have openings for in tro duc tion of combustion air. 

6.    This log set is designed to be smoke less. If logs ever appear to 

smoke, turn off appliance and call a qual i fi ed  ser vice  per son. 

Note:

 During ini tial op er a tion, slight smok ing could oc cur due 

to log curing and the burning of man u fac tur ing  res i dues.  You 
may wish to add more ventilation by opening a win dow.

7.     To reduce the creation of soot, follow the in struc tions in Clean-

 ing  and  Main te nance, page 13.

8.     Do not allow fans to blow directly into the fi replace. Avoid any 

drafts that al ter burner fl ame patterns. Ceiling fans can create 
drafts that alter burner fl ame patterns. Altered burner patterns 
can increase sooting. 

9.    Do not use a blower insert, heat ex chang er insert or other ac-

 ces so ry not approved for use with this log set. 

10.  The installation and provisions for combustion and ventilation air 

must conform with the National Fuel Gas Codes, ANSI Z233.1/
NFPA 54, Section 5.3, Air for Combustion and Ven ti la tion.

11.  Do not run log set

•  where fl ammable liquids or vapors are used or stored
•   under dusty conditions

Summary of Contents for Design Dynamics VTD-18N-BTB

Page 1: ...appliance may be installed in an aftermarket 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 applian...

Page 2: ...18 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST 20 ACCESSORIES 22 OWNER S REGISTRATION FORM 23 WARRANTY INFORMATION Back Cover your building immediately call your gas supplier from a neighbor s phone Fo...

Page 3: ...urface to avoid burns or clothing ignition Log set will remain hot for a time after shutdown Allow surface to cool before touching 14 Carefully supervise young children when they are in the room with...

Page 4: ...nformation on pages 4 through 6 will help you classify your space and provide adequate ventilation Unusually Tight Construction The air that leaks around doors and windows may provide enough freshairf...

Page 5: ...8 m3 per kw of the aggregate input rating of all appli ances installed in that space Rooms communicating directly with the space in which the appliances are installed through openings not furnished wi...

Page 6: ...Into Adjoining Room Option 2 Ventilation Grills Into Adjoining Room Option 1 12 12 AIR FOR COMBUSTION AND VENTILATION Ventilation Air Cont the outdoors or spaces open to the outdoors These spaces inc...

Page 7: ...y in a solid fuel burning fireplace with a working flue and constructed of noncom bustible material The charts in Figure 4 indicate technical information regarding the installation of your gas log set...

Page 8: ...ure regulator dam age could occur Install external regulator with the vent pointing down as shown in Figure 8 page 9 Pointing the vent down protects it from freezing rain or sleet CAUTION Use only new...

Page 9: ...leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once CAUTION Make sure external regulator has been installed between propane LP supply and appliance Seeguidelinesun...

Page 10: ...joints from gas meter to equipment shutoff valve for natural gas or propane LP supply to equipment shutoff valve for propane LP see Figure 11 Apply noncorrosive leak detection fluid to all joints Bubb...

Page 11: ...d turn control knob counterclockwise to the PILOT position Press in control knob for five 5 seconds see Figure 13 Note You may be running this appliance for the first time after hooking up to gas supp...

Page 12: ...NG PROCEDURE 1 Follow steps 1 through 6 under Lighting Instructions 2 Depress control knob and light pilot with match 3 Keep control knob pressed in for 30 seconds after lighting pilot After 30 second...

Page 13: ...orrect Pilot Flame Pattern Your pilot may vary from pilots shown Pilot Burner Thermocouple Pilot Burner Thermocouple Figure 17 Incorrect Pilot Flame Pattern Your pilot may vary from pilots shown Therm...

Page 14: ...gnitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Tighten nut holding piezo ignitor to base panel of log set Nut is located behind base panel 4 Replace ignit...

Page 15: ...Problem will stop after a few hours of operation 1 Turn control knob to LO position and let warm up for a minute 2 Operate burners until air is removed from line Have gas line checked by lo cal natura...

Page 16: ...DS pilot is partially clogged 1 Gas leak See Warning statement at top of page 2 Control valve or gas control defective 1 Foreign matter between control valve and burner 2 Gas leak See Warning statemen...

Page 17: ...of water Maximum 10 5 W C 10 5 W C Minimum 5 0 W C 5 0 W C Shipping Weight 32 lbs 34 lbs For purpose of input adjustment VTD 18P PDG VTD 18P BTB VTD 24P PDG VTD 24P BTB Btu Variable 37 000 54 000 41 0...

Page 18: ...arranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA International s Technical...

Page 19: ...111826 02C For more information visit www desatech com 19 19 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 20: ...EAKDOWN VTD 24N PDG VTD 24P PDG VTD 24N BTB VTD 24P BTB VTD 18N PDG VTD 18P PDG VTD 18N BTB VTD 18P BTB 3 Log sets and mounting plates are ordered as an assembly REMOTE MODELS ONLY GTA Replacement Par...

Page 21: ...6 01 111796 02 111816 01 111793 01 see table page 20 112359 01 111800 01 111372 01 112370 01 111371 02 111807 02 111796 01 097159 04 103784 01 103784 02 099998 01 111817 02 111828 01 103778 01 111816...

Page 22: ...HUTOFF VALVE GA5010 For all models Equipment shutoff valve with 1 8 NPT tap Fits 1 2 NPT pipe FIREPLACE HOOD Black GA6050 Brass GA6052 Antique Brass GA6053 For all models Helps deflect heat away from...

Page 23: ...ge Completed Graduate School 13 Age of Purchaser Under 20 20 29 30 39 40 49 50 59 60 or Over 14 Buyer s total annual household income Under 15 000 15 000 to 19 999 20 000 to 34 999 35 000 to 49 999 50...

Page 24: ...111826 02C For more information visit www desatech com 24 2701 S Harbor Blvd Santa Ana CA 92704 www desatech com Postage Required TM...

Page 25: ..._________________________________ ________________________________________________________________________________________________ _____________________________________________________________________...

Page 26: ...cement parts voids this warranty The appliance MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to pa...

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