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Design Dynamics VTD-18N-JHB, Owner'S Operation And Installation Manual

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Design Dynamics VTD-18N-JHB Owner'S Operation And Installation Manual Download Page 9

www.desatech.com

114370-01E

9

INSTALLATION

Continued 

4.. Place. log. set. assembly. in. center. of.

fireplace. floor.. Make. sure. front. faces.

forward.

5.. Install.gas.connector.tube.into.gas.supply.

fitting. Carefully shape tube to attach to 
adapter fitting being careful not to kink 

tube.

6.. Install. provided. gas. connector. tube.

into the gas inlet fitting (see Figure 7, 
page 8).

7.  Test for leaks following instructions under 

Testing Burner for Leaks

.

Repositioning Gas Inlet to Left Side of 

Unit

1.  Remove venturi and gasket by unscrew

-

ing  two  screws  under  chassis  (see 
Figure 8).

2.  Unthread  elbow  fitting  from  orifice  (see 

Figure 8).

3.  Remove orifice and brackets by unscrew

-

ing two screws on right side of unit (see 
Figure 8).

4.  Install orifice and brackets into left side of 

unit using screws removed in step 1.

5.. Install. venturi. and. gasket. under. bottom.

burner and into repositioned orifice and 
brackets (see Figure 8).

6.  Thread elbow fitting back into orifice. Ap

-

ply thread sealant to orifice threads (see 
Figure 8).

7.. Install. gas. connector. tube. that. comes.

with  log  set  into  gas  inlet  fitting  (see 
Figure 8).

8.  Install supplied brass adapter fitting that 

comes  with  log  set  into  fireplace  gas 

supply. pipe.. Use. thread. sealant. (see.

Figure 8).

9.. Place. log. set. assembly. in. center. of.

fireplace. floor.. Make. sure. front. faces.

forward.

10..Install.gas.connector.tube.into.gas.supply.

fitting. Carefully shape tube to attach to 
adapter  fitting.  Be  careful  not  to  cause 

kinks.in.tube.

11. Test for leaks following instructions under 

Testing Burner for Leaks

.

TESTING BURNER FOR LEAKS

1.. Generously.apply.noncorrosive.leak.de-

tection fluid to all connections.

 WARNING: Never check for 

gas leaks with open flame.

2.  Light  burner  with  shutoff valve  no more 

than. half. open. and. holding. a. match.
slightly.in.front.of.the.pan.(see.

Lighting 

Instruction

s

, page 10).

3.  Inspect all connections for bubbles, raw 

gas odors, or flame from any area other 
than  burner.  If  leaks  are  detected,  shut 

off. gas. valve. immediately.. Tighten. or.
reassemble.the.loose.connections.using.

pipe joint compound until burner system 

is.leak.free.

4.  When  finished  testing,  turn  gas  shutoff 

valve OFF to extinguish all flames.

Figure 8 - Repositioning Gas Inlet to Left 

Side of Unit

Outer.
Bracket

Gasket

Venturi

Screws

Inner.
Brackets

Orifice

Elbow 

Fitting

Elbow 

Fitting

Inner.Brackets

Orifice

Gasket

Venturi

Screws

Chassis

Chassis

Summary of Contents for VTD-18N-JHB

Page 1: ...rgassupplierfromaneighbor 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 quali fied installer service agency or the gas supplier INSTALLER Leave this manual with the appliance CONSUMER Retain this manual for future reference VENTED DECORATIVE NATURAL GAS LOG HEATER OWNER S OPERATION AND I...

Page 2: ...See page 6 for minimum flue opening WARNING This is a gas fired heater It uses air oxygen from the room in which it is in stalled Provisions for adequate combustion and ventilation air must be provided Refer to the National Fuel Gas Codes ANSI Z233 1 NFPA54 AirforCombus tion and Ventilation This appliance may be installed in an aftermarket permanently located manufactured mobile home where not pro...

Page 3: ...this log set or its controls can be dangerous WARNING Donotuseablow erinsert heatexchangerinsertor otheraccessorynotapprovedfor use with this appliance WARNING This appliance is equipped for natural gas Field conversion is not permitted WARNING Donotallowfans toblowdirectlyintothefireplace Avoidanydraftsthatalterburner flame patterns Due to high temperatures the appliance should be located out oft...

Page 4: ...nstitute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Battery March Park Quincy MA 02269 You may wish to add more ventilation by opening a window 7 To reduce the creation of soot follow the instructions in Cleaning and Maintenance page 10 8 The installation and provisions for com bustion and ventilation air must conform with the National Fuel Gas Codes ANSI Z233 1 N...

Page 5: ...difications to or use of unauthorized components or accessory items will void the manufacturer swarrantyandmay result in a hazardous condition Ceramic Burner WARNING Failure to posi tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this appliance may result in property damage or personal injury CHECK GAS TYPE Use only natural gas If your gas s...

Page 6: ...at all times during the operation of this log set Model Burner DESCRIPTION Btu Input Minimum Vent Opening VTD 18N JHB 18 Ramp 59 000 8 dia VTD 24N JHB 24 Ramp 69 000 8 dia VTD 30N JHB 30 Ramp 74 000 8 dia Installation Continued MINIMUM FIREBOX SIZES MODEL FRONT WIDTH BACK WIDTH DEPTH HEIGHT VTD 18N JHB 28 16 14 18 VTD 24N JHB 29 3 4 17 15 1 2 18 VTD 30N JHB 36 27 18 18 At depth indicated BURNER OR...

Page 7: ...ap must be upstream from log set see Figure 4 IMPORTANT Install equipment shutoff valve in an accessible location The equipment shutoff valve is for turning on or shutting off the gas to the appliance Apply pipe joint sealant lightly to male NPT threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves WARNING Use pipe joint sealant ...

Page 8: ...d fittings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Fig ure 5 2 Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter Figure 6 Checking Gas Joints Hearth Kit assembly and installation 1 Determine which side the gas line will be coming into the fireplace NOTICE Unit comes preas...

Page 9: ... see Figure 8 8 Install supplied brass adapter fitting that comes with log set into fireplace gas supply pipe Use thread sealant see Figure 8 9 Place log set assembly in center of fireplace floor Make sure front faces forward 10 Install gas connector tube into gas supply fitting Carefully shape tube to attach to adapter fitting Be careful not to cause kinks in tube 11 Test for leaks following inst...

Page 10: ...ive 1 hour periods raising flame an additional 2 to full height for a total of 3 hours FOR YOUR SAFETY READ BEFORE LIGHTING WARNING Keep flue open when operating unit WARNING If you do not fol low these instructions exactly a fire or explosion may result causing property damage per sonal injury or loss of life A BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to t...

Page 11: ...ing sooting excessively Note It is natural and un avoidable for vented gas log sets to produce moderate levels of carbon soot where flames contact logs Burner is excessively noisy Note The movement and combustion of gas will cre ate low unavoidable levels of noise Burner flame is too low or too high 1 Contact local gas supplier 2 Adjust damper wide open and or have fireplace and venting profession...

Page 12: ...hile cooling 1 Log set burning vapors from paint hair spray glues cleaners chemicals new carpet etc See IMPORTANT statement above 2 Gas leak See Warning statement at top of page 1 Gas leak See Warn ing statement at top of page 2 Control valve or gas con trol defective 1 Gas leak See Warn ing statement at top of page Troubleshooting Continued WARNING If you smell gas Shut off gas supply Do not try ...

Page 13: ...he back page of this manual Lava Rock GA6060 Order when additional rock is desired 1 8 lb bag Replacement Parts Note Use only original replacement parts This will protect your warranty 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 Heating LLC at 1 866 672 6040 When calling DESA H...

Page 14: ...www desatech com 114370 01E 14 Parts Models VTD 18N JHB VTD 24N JHB and VTD 30N JHB ...

Page 15: ...e 1 112371 10 Orifice 1 112371 11 Orifice 1 8 112370 01 Gasket 1 9 901232 01 Flexible Connector 1 10 112832 01 Ceramic Burner 1 112832 02 Ceramic Burner 1 112832 03 Ceramic Burner 1 11 112833 01 Log Assembly 1 112833 02 Log Assembly 1 112833 03 Log Assembly 1 12 14325 Brass Elbow 1 13 111800 01 Screw 10 Self THD 6 PARTS AVAILABLE NOT SHOWN 112363 01 Log Scrap Kit 1 1 112364 01 Log Scrap Kit 2 1 GA...

Page 16: ...ded by a DESA Heating LLC Authorized Service Center or a provider approved by DESA Heating LLC Warranty parts must be obtained through authorized dealers of this prod uct and or DESA Heating LLC who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty Travel handling transportation diagnostic material labor and incidental costs assoc...

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