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WARNING: If the information in this man u al 
is not followed exactly, a fi re or explosion 
may result caus ing prop er ty damage, per-
 son al in ju ry, or loss of life.

— Do not store or use gasoline or other 

 fl ammable vapors and liq uids in the  vicinity 
of this or any other ap pli ance.

— WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.
• Do not touch any electrical switch; do not 

use any phone in your build ing.

• Immediately call your gas sup pli er from 

a neigh bor’s phone. Follow the gas sup-
 pli er’s in struc tions.

• If you cannot reach your gas sup plier, call 

the fi re de part ment.

— Installation and service must be per formed 

by a qualifi ed installer, ser vice agen cy, or 
the gas supplier.

WARNING: Improper in stal la tion, ad-
 just ment, al tera tion, service, or main-
 te nance can cause injury or prop er ty 
dam age. Re 

fer to this man 

u al for 

cor rect in 

stal la tion and op 

er a tion al 

pro ce dures. For as sis tance or ad di -
tional in for ma tion con sult a qualifi ed 
in stall er, ser vice agen cy, or the gas 
sup plier.

This appliance may be installed in an aftermarket,* manufactured (mobile) home, where not 
pro hib it ed by local codes.
This appliance is only for use with the type of gas indicated on the rating plate. This ap pli ance 
is not convertible for use with other gases.

* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer 

Warning: This product must be installed by a Licensed Plumber or Gas Fitter when installed 
within The Commonwealth of Massachusetts.

VTD-24N-PDG, VTD-24P-PDG, 

VTD-18N-PDG, VTD-18P-PDG

VTD-24N-BTB, VTD-24P-BTB, 

VTD-18N-BTB, VTD-18P-BTB

For more information, visit www.desatech.com

GAS LOG VENTED
DECORATIVE  AP PLI ANCE

OWNER’S OPERATION AND
INSTALLATION  MAN U AL

ANSI Z21.60a-2000

CSA 2.26a-2000

APPROVED

WARNING: This appliance is for in-
 stal la tion only in a solid-fuel burn-
 ing ma son ry or UL127 fac to ry-built 
fi re place, con struct ed of non com -
bus ti ble ma 

te ri al, and con 

nect ed 

to a working fl ue. (See page 7 for 
min i mum fl ue open ing.)

WARNING: This is a gas-fi red ap pli ance. It uses air (ox y gen) from the room in which it is installed. 
Pro vi sions for ad e quate com bus tion and ven ti la tion air must be provided. Refer to the National 
Fuel Gas Codes, ANSI Z233.1/NFPA 54, Section 5.3, Air for Combustion and Ventilation.

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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