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26

106918

DIRECT-VENT GAS FIREPLACE

VDDVF36PN/PP and VDDVF36STN/STP Series

®

OBSERVED PROBLEM

Burner does not light after pilot is lit

Delayed ignition burner

Burner backfiring during combustion

Slight smoke or odor during initial operation

Fireplace produces a whistling noise when
burner is lit

Glass soots

Fireplace produces a clicking/ticking noise
just after burners are lit or shut off

REMEDY

1. Clean burner or replace burner orifice
2. Contact local propane/LP or natural gas

company

3. Reconnect leads

4. Replace thermopile

1. Contact local propane/LP or natural gas

company

2. Clean burner or replace burner orifice

1. Clean burner or replace burner orifice
2. Replace damaged burner
3. Replace gas control

1. 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 burner until air is removed from

line. Have gas line checked by local pro-
pane/LP gas company

3. Clean burner or replace burner orifice

1. Adjust the log set so that the flame does

not excessively impinge on it

2. Inspect the opening at the base of the

burner to see that it is NOT packed with
any type of material

1. This is common. If noise is excessive,

contact qualified service person

POSSIBLE CAUSE

1. Burner orifice clogged
2. Inlet gas pressure is too low

3. Thermopile leads disconnected or im-

properly connected

4. Thermopile is defective

1. Manifold pressure is too low

2. Burner porting or orifice clogged

1. Burner orifice is clogged or damaged
2. Damaged burner
3. Gas regulator defective

1. Residues from manufacturing processes

and logs curing

1. Turning control knob to HI position

when burner is cold

2. Air in gas line

3. Dirty or partially clogged burner orifice

1. Flame impingement on logs

2. Debris around burner air mixer

1. Metal expanding while heating or con-

tracting while cooling

TROUBLESHOOTING

Continued

www.desatech.com

Summary of Contents for VDDVF36STN/STP

Page 1: ...s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier SAVE THIS BOOK This...

Page 2: ...ensions Back of Surround Back of Surround Figure 2 VDDVF36STN STP See Thru Dimensions Left Side Surround Right Side Surround Rating Plate Location Left Side Surround Right Side Surround GLOSSARY OF TE...

Page 3: ...ing other than the type of gas approved for use in this gas appliance NOTICE Check local building codes for area requirements be fore installing this appliance This appliance when installed must be el...

Page 4: ...N Do not block re quired air spaces with insula tion or any other material Do not obstruct the effective opening of the appliance with any type of facing material MANTEL CLEARANCES Woodwork such as wo...

Page 5: ...maxi mum thickness of 3 4 Do not recess venting terminals into a wall or siding Install horizontal venting with a 1 4 rise for every 12 of run toward the ter mination You may paint the vent terminal...

Page 6: ...bove paved side walk or a paved driveway located on public property 84 inches 2133mm minimum M clearance under veranda porch deck 12 inches 305mm minimum N clearance above a roof shall extend a minimu...

Page 7: ...to select the proper length of vent pipe for the type of termination you choose It is also important to note the wall thickness For Horizontal Termination Select the amount of vertical rise desired Th...

Page 8: ...ows to the appliance adaptor with pipe seams oriented towards the wall or floor Twist lock Procedure The female ends of the pipes and fittings have four locking lugs indentations These lugs will slide...

Page 9: ...utside edge of the vent cap Position the vent cap in the center of the 7 1 2 or 10 hole on the exterior wall with the arrow on the vent cap pointing up Insure proper clearance of 1 to combustibles is...

Page 10: ...Vertical V and Horizontal H maxi mums and minimums The same amounts apply for flexible venting FGFVK Vent Kit Shown Horizontal Termination Configurations Figures 21 through 23 show different con figur...

Page 11: ...90 Elbows Vertical V Horizontal H1 Horizontal H2 5 min 4 max 6 min 8 max 7 min 10 max 8 min 15 max 20 max 20 max Figure 23 Horizontal Termination Configuration for Rigid Venting Using Two 90 Elbows w...

Page 12: ...ances air space to combustibles when passing through ceilings walls roofs enclo sures attic rafters etc Do not pack air spaces with insulation Also note maxi mum vertical rise of the venting sys tem a...

Page 13: ...ort box vertically and horizontally using a level Temporarily tack the support box in place through the inside walls and into the roof sheathing 4 Using tin snips cut the supportbox from the top corne...

Page 14: ...figuration With No Horizontal Run VENTING INSTALLATION Continued Venting with Two 90 Elbows Vertical V1 Horizontal H 5 min 6 max 6 min 12 max 7 min 18 max 8 min 20 max Note Vertical V1 Vertical V2 20...

Page 15: ...12 Firestop Support Roof Flashing RTV Silicone Vertical Termination and 26 screws D1000 7 x 12 Galvanized Coaxial Pipe 6 pcs D1010 7 x 24 Galvanized Coaxial Pipe 6 pcs D1020 7 x 48 Galvanized Coaxial...

Page 16: ...t be properly connected to a standard 120 VAC power source Refer to Wiring Diagram on page 23 An outlet box with two receptacles has been supplied for your convenience located on the lower left side o...

Page 17: ...ible gas line pressures in excess of 1 2 psig 3 5 kPa The appliance must be isolated from the gas supply piping system by closing its indi vidual manual shut off valve during any pressure testing of...

Page 18: ...service technicians installing gas to the appliance CAUTION Do not connect appliance before pressure test ing gas piping Damage to the gas valve may result and an un safe condition may be caused O F F...

Page 19: ...roofed is not considered noncombustible Left Right Back Front Left Front Right Back B B A A Figure 44 Installing Logs A Top View Figure45 InstallingLogs B TopView PILOT ASSEMBLY ADJUSTMENT The pilot a...

Page 20: ...se proper safety gloves to re move the broken glass door Dis card safely A glass door kit can be ordered through your local distributor Do not substitute other material for the glass WARNING Children...

Page 21: ...der water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been un der water LIGHTING INSTRUCTIONS 1...

Page 22: ...s on the hand held remote control unit for up to 3 sec onds to assure proper operation GHRC Operation 2a Press ON OFF button to turn the burners on and off When turning burners off the pilot will rema...

Page 23: ...ilot will not stay lit burner will produce flames and soot fireplace will backfire when lit Youmayfeelyourgaspressureistoolowor gas quality is bad If so contact your local propane LP gas supplier WIRI...

Page 24: ...o light the fireplace 3 Remove debris and dirt inspect and clean any other possible obstructions 4 Contact your gas supplier 5 Refer to section on pilot lighting 6 Have a qualified technician replace...

Page 25: ...6 Thermocouple damaged 7 Control valve damaged REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Tighten nut holding piezo ignitor Nut i...

Page 26: ...burner until air is removed from line Have gas line checked by local pro pane LP gas company 3 Clean burner or replace burner orifice 1 Adjust the log set so that the flame does not excessively impin...

Page 27: ...ent cap installation 1 Gas leak See Warning statement above 2 Control valve defective 1 Gas leak See Warning statement above 1 Improper log placement 2 Air holes at burner inlet blocked 3 Burner flame...

Page 28: ...ural 105883 01 25701 Propane LP 105883 02 25702 If in need of replacing have a qualified technician replace it WALL SWITCH KIT 105742 01 22180 Wall Switch 105902 01 14112 Cover Plate 105903 01 14113 W...

Page 29: ...01 25854 Left Right Bottom 105887 01 25856 Rear 106924 01 27374 Front 105888 01 25885 BURNER ASSEMBLY 105885 01 27243 REPLACEMENT PARTS Continued Front Bottom Left Right Bottom Front Used for See Thru...

Page 30: ...____________________________________________ _______________________________________________________________________________________________ ___________________________________________________________...

Page 31: ...___________________ _______________________________________________________________________________________________ ____________________________________________________________________________________...

Page 32: ...l be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIE...

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