Desa P325 Owner's Operation And Installation Manual

B-vent decorative gas fireplace

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For more information, visit www.desatech.com
For more information, visit www.desatech.com
MODELS P324, VP324, P325(B) AND VP325(B)
WARNING: If the information in these instructions
is not followed exactly, a fire or explosion may
result causing property damage, personal injury
or death.
FOR YOUR SAFETY
— Do not store or use gasoline or any other flam-
mable vapors or liquids in the vicinity of this or
any other appliance.
— 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 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.
— Installation and service must be performed by a
qualified installer, service agency, or the gas
supplier.
This appliance may be installed in an aftermarket,* permanently located, manufactured
(mobile) home, where not prohibited by local codes.
This appliance is only for use with 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
B-VENT DECORATIVE GAS FIREPLACE
OWNER'S OPERATION AND
INSTALLATION MANUAL

NATURAL GAS

Save this manual for future reference.
Save this manual for future reference.
SAVE THIS BOOK
This book is valuable. In addition to instructing
you on how to install and maintain your appli-
ance, it also contains information that will enable
you to obtain replacement parts or optional
accessory items when needed. Keep it with your
other important papers.
WARNING: Improper installation, ad-
justment, alteration, service or main-
tenance can cause injury or property
damage. Refer to this manual. For
assistance or additional information
consult a qualified installer, service
agency, or the gas supplier.
NOT FOR USE WITH SOLID FUEL
CHECK LOCAL CODES PRIOR TO
INSTALLATION

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Summary of Contents for Desa P325

  • Page 1: Natural Gas

    OWNER’S OPERATION AND INSTALLATION MANUAL For more information, visit www.desatech.com For more information, visit www.desatech.com MODELS P324, VP324, P325(B) AND VP325(B) NATURAL GAS SAVE THIS BOOK WARNING: If the information in these instructions This book is valuable. In addition to instructing...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS CLEANING AND MAINTENANCE ..........18 SAFETY INFORMATION ............2 SERVICE HINTS ............... 18 UNPACKING ................3 TECHNICAL SERVICE ............. 18 INTRODUCTION ................. 4 REPLACEMENT PARTS ............18 PRODUCT SPECIFICATIONS ............ 5 TROUBLESHOOTING .............. 19 SELECTING LOCATION .............
  • Page 3: Unpacking

    Only a qualified service person should install, service, or re- • Rear Log (P325/VP325 Models Only) - Remove the two plastic pair this fireplace. Have fireplace inspected annually by a quali- quick ties from around the burner and grate fied service person.
  • Page 4: Introduction

    These fireplace models are vented gas fireplaces that use a millivolt The installation must conform with local codes or, in the absence of gas control valve with a millivolt ignition system. P325/VP325 local codes, with the current National Fuel Gas Code, ANSI Z223.1 models have a 5"...
  • Page 5: Product Specifications

    PRODUCT SPECIFICATIONS SELECTING LOCATION PRODUCT SPECIFICATIONS " " * 20 " " 7" HEARTH AREA " * 13 " " DIMENSIONS * 27 " " 5/8" 29" 7" Alternate Gas * WITH REFRACTORY Supply Inlet 7" " " " " "...
  • Page 6: Pre-Installation Preparation

    PRE-INSTALLATION PREPARATION Clearances Mantel Clearances and Wall Details PRE-INSTALLATION PREPARATION MANTEL CLEARANCES AND WALL DETAILS CLEARANCES A combustible mantle shelf maybe installed a maximum 12" Minimum clearances to combustibles are: (229mm) from the wall. Figures 5 and 6 show the minimum •...
  • Page 7 PRE-INSTALLATION PREPARATION Framing PRE-INSTALLATION PREPARATION Continued These Dimensions Allow for a FRAMING 3/4" Clearance at Sides and 1. Frame appliance enclosure as illustrated in Figures 7 and 8. Back of Fireplace. However, 0" Clearance is Permitted Note: If a wall covering is used to line the enclosure, then all 12"...
  • Page 8: Venting Installation

    VENTING INSTALLATION VENTING INSTALLATION Example 1: Shows the minimum allowable system height and A B-type venting system must be connected to the appliance for venting to the outside of the building. lateral offset for a 60° degree or greater inclination. Code specifies that offsets at 60°...
  • Page 9 VENTING INSTALLATION Checking for Proper Venting VENTING INSTALLATION Continued Note: Before connecting this appliance to an existing vent system Vent terminations must be located in accordance with height and proximity rules of NFPA No. 54 or CAN/CSA B149. These rules or a common venting system consult with your local architect, apply to vents at 12 in.
  • Page 10: Installation

    INSTALLATION Wall Switch Installation Optional Wireless Hand-Held Remote Control Installation INSTALLATION WALL SWITCH INSTALLATION The installation of a wall switch allows you to activate the gas Route Millivolt To Safety Circuit control valve without the normal household electricity since the Wires (Supplied) Wall Switch Through Gas Line...
  • Page 11 INSTALLATION Optional Wireless Hand-Held Remote Control Installation (Cont.) Gas Line Hook-Up INSTALLATION Continued GAS LINE HOOK-UP 4. Connect wires to control circuit. Connect white wire to termi- nal marked TH/TP on control valve. Connect red wire to male blade connector provided at open end of safety circuit wiring WARNING: Gas line hookup should be done by (see Wiring Diagram, page 29).
  • Page 12 The grate must be placed in the burner pan so that the back grate fingers appliance, Once connected through the appliance, a flexible gas line (P325/VP325) or pins (P324/VP324) fit into the notches on back of may be used for ease of installation to gas control valve (see Figure 20).
  • Page 13 Pan and Ember Grate Material 0.5" Burner Pan 0.5" Figure 24 - Pan and Ember Material Clearances (P325/VP325 Models Shown) Figure 26 - Installing Logs 3 and 4 LOG PLACEMENT FOR P325(B)/VP325(B) LOG PLACEMENT FOR P324/VP324 MODELS MODELS 1. Place front (log 1) onto front of grate sliding log all the way 1.
  • Page 14 INSTALLATION Log Placement For PO325/VP325 Models (Cont,) Combustion Air Kit Model AK4 (Optional) Appliance Enclosure INSTALLATION Continued COMBUSTION AIR KIT MODEL AK4 3. Rest front of log 3 between first two grate fingers on left of grate assembly and rear of log 3 into notch on left front oflog (OPTIONAL) 1(see Figure 28).
  • Page 15 INSTALLATION Installing Optional Glass Door Accessory INSTALLATION Continued INSTALLING OPTIONAL GLASS DOOR 9. Reopen one door at a time and retighten the upper and lower hold-down screws. ACCESSORY 10. Repeat the process until both doors are evenly joined, spaced CAUTION: Use only glass doors certified for use and working freely.
  • Page 16: Operating Fireplace

    OPERATING FIREPLACE For Your Safety Read Before Lighting Lighting Instructions To Turn Off Gas to Appliance OPERATING FIREPLACE FOR YOUR SAFETY 9. Push in the knob all the way and hold in. Immediately light the pilot manually. Continue to hold the control knob in for READ BEFORE LIGHTING about (1) minute after the pilot is lit.
  • Page 17: Inspecting Burners

    (see Figure 36, page 16). Do not remove the adjustment screw. • see Troubleshooting, pages 19 through 21 P325(B) and VP325(B) Models Figure 39 - Typical Flame Pattern For more information, visit www.desatech.com For more information, visit www.desatech.com...
  • Page 18: Cleaning And Maintenance

    CLEANING AND MAINTENANCE Pilot and Burner Logs SERVICE HINTS TECHNICAL SERVICE REPLACEMENT PARTS CLEANING AND TECHNICAL SERVICE MAINTENANCE You may have further questions about installation, operation, or troubleshooting. If so, contact DESA’s Technical Service Depart- ment at 1-866-672-6040. When calling, please have your model and WARNING: Installation and repair should be done serial numbers of your heater ready., by a qualified service person.
  • Page 19: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING The two most common causes of a malfunctioning gas appliance are: Note: For additional help, visit DESA’s Technical Service web 1. Loose wiring connections site at www.desatech.com. 2. Construction debris clogging the pilot and/or gas control valve Note: Before troubleshooting the system, make sure the gas shutoff filter valve is ON.
  • Page 20 TROUBLESHOOTING TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Pilot goes out when wall switch is ON 1. Millivolt output on thermopile too high 1. Replace thermopile Spark ignitor will not light pilot after re- 1. Defective ignitor (no spark at electrode) 1.
  • Page 21 TROUBLESHOOTING TROUBLESHOOTING Continued WARNING: If you smell gas • Shut off gas supply. • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
  • Page 22: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN P324 and VP324 Models ILLUSTRATED PARTS BREAKDOWN P324 AND VP324 MODELS 24-2 24-6 24-11 24-5 24-10 24-1 24-12 24-9 24-8 24-4 24-7 24-9 24-8 24-3 For more information, visit www.desatech.com For more information, visit www.desatech.com 108660-01D...
  • Page 23 PARTS LIST P324 and VP324 Models PARTS LIST P324 AND VP324 MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 18 of this manual. PART PART NUMBER DESCRIPTION QTY.
  • Page 24 ILLUSTRATED PARTS BREAKDOWN P325(B) and VP325(B) Models ILLUSTRATED PARTS BREAKDOWN P325(B) AND VP325(B) MODELS 24-6 24-2 24-5 24-11 24-10 24-1 24-12 24-9 24-8 24-4 24-7 24-9 24-8 24-3 For more information, visit www.desatech.com For more information, visit www.desatech.com 108660-01D...
  • Page 25 PARTS LIST P325(B) and VP325(B) Models PARTS LIST P325(B) AND VP325(B) MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 18 of this manual. PART PART NUMBER DESCRIPTION QTY.
  • Page 26 ILLUSTRATED PARTS BREAKDOWN Log Assembly WIRING DIAGRAM ILLUSTRATED PARTS BREAKDOWN LOG ASSEMBLY P325(B) and VP325(B) Models P324 and VP324 Models PART PART NUMBER DESCRIPTION QTY. NUMBER DESCRIPTION QTY. 109100-02 Log Set 109109-01 Log Set 109421-01 Rear Log 105958-05 Front Log...
  • Page 27: Owner's Registration Form

    OWNER'S REGISTRATION FORM In order to provide better customer service for this and future purchases, we recommend that you register your product with us. You can register online at www.desatech.com. If access to our website is not available to you, please complete this Owner’s Registration Form and mail to the address on the back of this owner’s manual.
  • Page 28 Postage Required 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 For more information, visit www.desatech.com For more information, visit www.desatech.com TAPE 108660-01D...
  • Page 29: Accessories

    ACCESSORIES ACCESSORIES BLOWER KIT Purchase these firebox accessories from your local dealer. If they can not supply these accessories, call DESA’s Sales Department at BK - Squirrel Cage Blower With Speed Control 1-866-672-6040 for information. You can also write to the address listed on the back page of this manual.
  • Page 30: Warranty Information

    WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty.

This manual is also suitable for:

Vp324P325bVp325Vp325bP324

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