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114370-02C

2

SAFETy INFORMATION

TABLE OF CONTENTS

Safety Information ............................................... 2
Product Identification ........................................... 4
Local Codes......................................................... 5
Unpacking............................................................ 5
Product Features ................................................. 5
Optional Accessories ........................................... 5
Installation ........................................................... 5
Operating Appliance .......................................... 10
Inspecting Burners............................................. 12
Cleaning and Maintenance ................................ 12

Specifications .................................................... 12
Troubleshooting ................................................. 13
Service Hints ..................................................... 17
Technical Service............................................... 17
Replacement Parts ............................................ 17
Accessories ....................................................... 17
Wiring Diagrams ................................................ 17
Illustrated Parts Breakdown and Parts List........ 18
Warranty Information ...........................Back Cover

WARNING:  Improper  in-
stallation, adjustment, al-
teration, service or main-
tenance can cause injury 
or property damage. Refer 
to this manual for correct 
installation and operation-
al  procedures.  For  assis-
tance  or  additional  infor-
mation consult a qualified 
installer,  service  agency 
or the gas supplier.

This appliance may be in-
stalled in an aftermarket,* 
permanently  located, 
manufactured  (mobile) 
home, where not prohib-
ited by local codes.
This appliance is only for 
use  with  the  type  of  gas 
indicated  on  the  rating 
plate.  This  appliance  is 
not  convertible  for  use 
with other gases. 

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

WARNING:  This  appli-
ance  is  for  installation 
only in a solid-fuel burn-
ing  masonry  or  UL127 
factory-built  fireplace, 
constructed  of  noncom-
bustible  material  and 
connected  to  a  working 
flue. (See page 6 for mini-
mum flue opening.)

WARNING:  This  is  a  gas-
fired  heater.  It  uses  air 
(oxygen) from the room in 
which it is installed. Provi-
sions  for  adequate  com-
bustion and ventilation air 
must  be  provided.  Refer 
to  the 

National  Fuel  Gas 

Codes, ANSI  Z233.1/NFPA 
54, Section 5.3, Air for Com-
bustion and Ventilation.

State  of  Massachusetts: 
The  installation  must 
be  made  by  a  licensed 
plumber  or  gas  fitter  in 
the  Commonwealth  of 
Massachusetts.

Summary of Contents for Design Dynamics VTD-18NV-JHB

Page 1: ...l switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department...

Page 2: ...his appliance may be in stalled in an aftermarket permanently located manufactured mobile home where not prohib ited by local codes This appliance is only for use with the type of gas indicated on the...

Page 3: ...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 Any change...

Page 4: ...lified service person Note During initial operation slight smoking could occur due to log curing and the burning of manufacturing residues You may wish to add more ventilation by opening a window 7 To...

Page 5: ...o HI LO for use with hand held ON OFF remote included OF RC Converts ON OFF valve for use with hand held ON OFF remote See Accessories page 17 Installation WARNING Before installing in a solid fuel bu...

Page 6: ...p or permanent stop must be installed or the damper blade must be cut or removed Model Burner Btu Input MinIMUM Vent Opening VTD 18NV JHB VTD 18PV JHB 18 Ramp 59 000 8 dia VTD 24NV JHB VTD 24PV JHB 24...

Page 7: ...ply CONNECTING TO GAS SUPPLY WARNING This appliance requires a 3 8 NPT National Pipe Thread inlet connection to the pressure regulator WARNING A qualified ser vicepersonmustconnectheater to gas supply...

Page 8: ...t lightly to male NPT threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves Figure 7 Gas Connection PurchasetheoptionalCSAdesign ce...

Page 9: ...e LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air 4 Check all joints of gas supply piping system Apply noncorrosive leak detection fluid to gas jo...

Page 10: ...not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department C Us...

Page 11: ...switch selector switch to the ON position to light burners Note AUTO is not functional Figure 11 Control Knob and Ignitor Button 11 Set flame adjustment knob to any level between HI and LO Optional co...

Page 12: ...W C Inlet Gas Pressure in of water Max 10 5 W C Min 5 0 W C VTD 18PV JHB Rating Variable 59 000 Btu Hr Type Gas Propane LP Ignition Piezo Manifold Pressure 10 W C Inlet Gas Pressure in of water Max 14...

Page 13: ...T position 4 Air in gas lines when in stalled 5 Depleted gas supply pro pane LP only 6 Pilot is clogged 7 Gas regulator setting is not correct When ignitor button is pressed there is no spark at pilot...

Page 14: ...es out when control knob is released Oneorbothburnerdoesnotlight after ODS pilot is lit Delayed ignition of burner Burner backfiring during com bustion 1 Press in control knob fully 2 After pilot ligh...

Page 15: ...rs are lit White powder residue forming within burner box or on adjacent walls or furniture Remote does not function Appliance produces a clicking ticking noise just after burners are lit or shut off...

Page 16: ...rs chemicals new car pet etc See IMPORTANT statement above 2 Low fuel supply propane LP only 3 Gas leak See Warning statement at top of page 1 Not enough fresh air is avail able 2 Low line pressure 3...

Page 17: ...l numbers of your log set how log set was malfunctioning type of gas used propane LP or natural gas purchase date Usually we will ask you to return the part to the factory Parts Not Under Warranty Con...

Page 18: ...desatech com 114370 02C 18 Illustrated Parts Breakdown Models VTD 18NV JHB VTD 24NV JHB VTD 30Nv JHB 2 10 11 26 27 28 20 13 7 9 13 19 1 8 12 3 5 6 4 12 5 24 29 22 18 13 23 14 17 15 16 13 29 21 25 12...

Page 19: ...re Harness 1 17 103784 01 ON OFF Extension Knob 1 18 14512 Valve MV NG 1 14513 Valve MV LP 1 19 112804 05 Valve Bracket 1 20 114395 01 Pilot Bracket 1 114395 02 Pilot Bracket 1 21 116910 01 Brass 3 8...

Page 20: ...war ranty The heater 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 parts that are not in origin...

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