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B-VENT DECORATIVE GAS FIREPLACE
OWNER’S OPERATION AND
TM
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 instruc-
This book is valuable. In addition to instructing
tions is not followed exactly, a fire or explosion
you on how to install and maintain your appli-
may result causing property damage, personal
ance, it also contains inf
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TABLE OF CONTENTS 2 SAFETY INFORMATION TABLE OF CONTENTS CLEANING AND MAINTENANCE ............................................ 18 SAFETY INFORMATION ............................................................ 2 SERVICE HINTS....................................................................... 18 UNPACKING ............................................................................... 3 TECHNICAL SERVICE ............................................................. 18 INTRODUCTION.............
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SAFETY INFORMATION 3 UNPACKING 3 SAFETY INFORMATION UNPACKING Continued The following items are packed inside the firebox. Remove before positioning firebox into framing. 8. Turn fireplace off and let cool before servicing or repairing. Only a qualified service person should install, service, or re- • Ceramic Log Pack - Shrink-wrapped on cardboard pair this fireplace. Have fireplace inspected annually by a quali- • Three (3) plastic bags containing lava rock, pan and ember fied service person. m
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INTRODUCTION 4 Before You Begin 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" B-vent and P324/VP324 models have a 4" B-vent. or with the current CAN/CSA B149 Installation Codes. A properly sized B-Type venting system and listed type vent cap are Th
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PRODUCT SPECIFICATIONS 5 5 SELECTING LOCATION PRODUCT SPECIFICATIONS 1 21 /2" 3 22 /8" 3 * 20 /8" 1 14 /2" 7" 3 HEARTH AREA 16 /4" 3 3 * 13 /4" DIMENSIONS 11 /4" 1 1 * 27 /2" 34 /2" 5/8" 29" 7" Alternate Gas * WITH REFRACTORY Supply Inlet 7" 1 1 36 /2" 1 8 /8" 1 18 /4" 32 /4" 1 7 10 /2" 6 /8" 1 1 8 /4" 8 /4" 7" 1 2 /2" 1 1 29 /2" 2 /2" 3 1 8 /8" 5 3 2 /4" 7 /8" 35 /8" 1 13 /4" 5 10 /8" 3 16 /4" Figure 1 - Appliance Dimensions SELECTING LOCATION To determine the safest and most efficient location
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PRE-INSTALLATION PREPARATION 6 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 • Top of Spacers ........................................................... 0" min. allowable distances from various combustible mantle components • Back and Sides of Outer Surround.............
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PRE-INSTALLATION PREPARATION 7 Framing 7 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" measurements must be from the surface of the covering. 3 2. Place the appliance into the framing and secure it. 39 /8" 3 16 /4" Note: If appliance is to be raised above
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VENTING INSTALLATION 8 VENTING INSTALLATION A B-type venting system must be connected to the appliance for Example 1: Shows the minimum allowable system height and venting to the outside of the building. lateral offset for a 60° degree or greater inclination. Code specifies that offsets at 60° degrees or greater are considered horizontal and The following section is provided as a guide to a standard B-type must follow the 75% percent rule for lateral to total vertical system vent installation. h
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VENTING INSTALLATION 9 Checking for Proper Venting 9 VENTING INSTALLATION Continued Vent terminations must be located in accordance with height and Note: Before connecting this appliance to an existing vent system 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. diameter or less and require a minimum planner, or building official. height in accordance with the roof pitch and a minimum of 8 ft. dista
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O IN OUT INSTALLATION Wall Switch Installation 10 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 valve operates on millivolt current supplied by the heat generated by Conduit Sleeve the thermopile. To install the wall switch: To Thermopile 1.
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INSTALLATION 11 Optional Wireless Hand-Held Remote Control Installation (Cont.) 11 Gas Line Hook-Up INSTALLATION Continued 4. Connect wires to control circuit. Connect white wire to termi- GAS LINE HOOK-UP 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 27). your gas supplier or a qualified service person. 5. Locate the battery clip mounted on the back o
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INSTALLATION Gas Line Hook-Up (Cont.) 12 Ember and Pan Material Placement INSTALLATION Continued DESA recommends that a black iron gas line be routed from the gas EMBER AND PAN MATERIAL PLACEMENT source, through a sediment trap (shown in Figure 19), and into the 1. Open the bag(s) of vermiculite and fill the entire burner pan appliance, Once connected through the appliance, a flexible gas line until the burner tube is completely covered (see Figure 21). may be used for ease of installation to
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INSTALLATION 13 Log Placement For P324/VP324 Models 13 Log Placement for P325(B)/VP325(B) Models INSTALLATION Continued LOG PLACEMENT FOR P324/VP324 MODELS LOG PLACEMENT FOR P325(B)/VP325(B) 1. Place front (log 1) onto front of grate sliding log all the way MODELS forward against grate fingers (see Figure 24). 1. Place large back log (log 1) onto grate making sure notches 2. Insert pegs on bottom of rear log (log 2) into holes in rear of rest over grate (see Figure 26). grate (see Figure 24). 2.
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INSTALLATION Log Placement For PO325/VP325 Models (Cont,) 14 Combustion Air Kit Model AK4 (Optional) Appliance Enclosure INSTALLATION Continued 4. Insert peg on back of log 4 into hole on top left of log 1. Rest COMBUSTION AIR KIT MODEL AK4 the front of log 4 on the grate as shown in Figure 29. (OPTIONAL) 5. Insert peg on back of log 5 into hole on the top right of log 1 The outside air kit may be installed on the left side of the fireplace (see Figure 28). Rest the bottom of log 5 on grate as s
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INSTALLATION 15 Installing Optional Glass Door Accessory 15 INSTALLATION Continued 9. Reopen one door at a time and retighten the upper and lower INSTALLING OPTIONAL GLASS DOOR 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. with this appliance. CAUTION: The glass panels become very hot while the appliance is operating. Do not attempt to adjust or clean Note: Glass door may be heavy
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OPERATING FIREPLACE 16 For Your Safety Read Before Lighting Lighting Instructions To Turn Off Gas to Appliance OPERATING FIREPLACE 9. Push in the knob all the way and hold in. Immediately light FOR YOUR SAFETY the pilot manually. Continue to hold the control knob in for READ BEFORE LIGHTING about (1) minute after the pilot is lit. Release knob and it will pop back up. Pilot should remain lit. If it goes out, re- peat steps 5 through 9. WARNING: If you do not follow these instructions • If knob
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OPERATING FIREPLACE 17 Optional Hand-Held Remote Operation 17 To Turn Off Gas to Appliance INSPECTING BURNERS Pilot Assembly Burner Flame Pattern OPERATING FIREPLACE Continued OPTIONAL HAND-HELD Thermopile REMOTE OPERATION Pilot Burner Note: The receiver and hand-held remote control kit must be purchased separately (see Accessories, page 27). Follow installa- tion instructions on pages 10 and 11 of this manual. 1. After lighting, let pilot flame burn for about one minute. Turn control knob to ON
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CLEANING AND MAINTENANCE Pilot and Burner 18 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 International’s Technical Ser- vice Department at 1-866-672-6040. WARNING: Installation and repair should be done by a qualified service person. The appliance should be You can also visit DESA International’s technical services web site inspected before
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TROUBLESHOOTING 19 19 The two most common causes of a malfunctioning gas appliance are: TROUBLESHOOTING 1. Loose wiring connections Note: For additional help, visit DESA International’s Techni- 2. Construction debris clogging the pilot and/or gas control valve cal Service web site at www.desatech.com. filter Note: Before troubleshooting the system, make sure the gas shutoff valve is ON. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Pilot will not light 1. No gas supply, or shutoff valve is OFF 1. Chec
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TROUBLESHOOTING 20 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. Check for spark at the electrode and pi- peated triggering of red button lot; if no spark and electrode wire is properly connected, replace ignitor 2. Defective pilot or misaligned electrode 2. Using a match, light pilot
