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DIRECT-VENT FIREPLACE
OWNER’S OPERATION AND
INSTALLATION MANUAL
For more information, visit www.desatech.com
For more information, visit www.desatech.com
CD32M (-1)(-2), CD36M (-A1)(-A2), CD42M-A
SAVE THIS BOOK
WARNING: If the information in this manual is not
This book is valuable. In addition to instructing you on
followed exactly, a fire or explosion may result caus-
how to install and maintain your appliance, it also con-
ing property damage, personal injury, or loss of life.
tains informati
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TABLE OF CONTENTS 2 INTRODUCTION Before You Begin TABLE OF CONTENTS TROUBLESHOOTING .............................................................. 15 INTRODUCTION......................................................................... 2 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST ....... 16 SELECTING LOCATION............................................................. 3 SPECIFICATIONS .................................................................... 20 PRE-INSTALLATION PREPARATION ..........
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SELECTING LOCATION 3 PRE-INSTALLATION PREPARATION 3 Clearances to Combustibles Mantel Clearances SELECTING LOCATION PRE-INSTALLATION To determine the safest and most efficient location for your fire- PREPARATION place, consider the following guidelines: 1. The location must allow for proper clearances (see Figure 1). CAUTION: Do not block required air spaces with 2. Consider a location where the firepace would not be affected insulation or any other material. Do not obstruct the by drafts, air
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PRE-INSTALLATION PREPARATION Vent Termination Clearances 4 Framing PRE-INSTALLATION PREPARATION Continued VENT TERMINATION CLEARANCES FRAMING The final position of your fireplace depends on the location of the Once the final location has been determined, observing height clear- vent termination in relation to the clearances that must be observed ances for vent termination, you may construct framing using dimen- as shown in Figure 5 on page 5. sions shown in Figures 3 and 4, depending on your ins
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V G G V A D E V B L PRE-INSTALLATION PREPARATION 5 5 PRE-INSTALLATION PREPARATION N Continued N H C I B Fixed V V Fixed Closed Openable Closed Openable F B V J G V X B B M A V X K TERMINATION CAP G GAS METER RESTRICTED AREA V X AIR SUPPLY INLET (TERMINATION PROHIBITED) A = clearance above grade, veranda, porch, deck, or balcony I = clearance to service regulator vent outlet [*72 inches (182.9cm) [*12 inches (30.5cm) minimum] minimum] B = clearance to window or door that may be opened J = clearan
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INSTALLATION Venting Installation Precautions 6 Venting Installation INSTALLATION 3. When installation of vent pipe is complete, in stall vent termi- WARNING: Read all instructions completely and nation. Depending on the location of your fireplace, you will thoroughly before attempting installation. Failure to vent vertically or horizontally. do so could result in serious injury, property damage 4. Allow 1" of pipe to protrude from internal wall, depending on or loss of life. Operation of impro
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O L O T REMOTE OFF ON O T ON L I O INSTALLATION 7 Venting Installation (Con.) 7 Electrical Gookup and Remote Reeiver Diagram Gas Supply Testing INSTALLATION Continued If an offset is necessary in the attic to avoid obstruction, it is important to support the vent pipe every 3 ft. to avoid excessive stress on the elbows and possible separation (see Figure 8, page 7). Outlet Box Clearances must be maintained between the roof and the ter- mination. Refer to chart below. Roof Pitch Minimum Height
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T O ON L I INSTALLATION Gas Line Hook-Up 8 Pilot Adjustment INSTALLATION Continued GAS LINE HOOK-UP Complete your gas line installation by connecting the incoming WARNING: Gas line hook-up should be done by gas line to the flexible gas line. Secure tightly with a wrench but your gas supplier or a qualified service person. do not over-tighten. WARNING: All gas piping and connections must WARNING: Before you proceed, make sure your be tested for leaks after the installation is completed. gas su
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6 5 2 1 4 3 INSTALLATION 9 Removing Glass Panel 9 Installin Log Set INSTALLATION Continued 3. Place log #3 (c-shaped crossover log) onto rear and front logs REMOVING GLASS PANEL as shown in Figure 20. Make sure it is seated properly on the smooth surface on front log and on the pin on back log. CAUTION: Before you proceed, make sure your 4. Place log #4 (small round log) on pin on right side of front log gas control valve is in the OFF position. (see Figure 21). 5. Place log #5 (small front lo
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4 1 1 5 2 3 INSTALLATION Installing Log Set (Cont.) 10 INSTALLATION Continued 6. Place log #6 (left log) on left pin of front log (#2) and smooth Model CD42M-A surface of rear log (#3). Make sure it is seated properly (see 1. Place log #1 (small base log) onto pin on left side of grate Figure 28). extension (see Figure 23). 7. Place log #7 (right log) on right pin of top log (#5). Make sure 2. Rest left side of log #2 (front log) on top of log #1 and right it is seated properly (see Figure 28).
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INSTALLATION 11 Installing Log Set (Cont.) 11 Decorative Facing Face Extension for Model DC32M Only BURNER FLAME ADJUSTMENT INSTALLATION Continued Lava Rock and Ember Material 1. For all models, place lava rock along sides and front of firebox bottom in areas that are visible. It is not necessary to use all lava rock provided. NOTICE: Do not put lava rock on or under burner. Placing lava rock on burner could cause perfor- mance problems. 2. Pull ember material apart into pieces no larger than a
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BURNER FLAME ADJUSTMENT 12 OPERATING FIREPLACE Operation Guidelines For Your Safety Read Before Lighting Lighting Instructions BURNER FLAME ADJUSTMENT Continued If adjustment is necessary, you can restore the proper flame setting FOR YOUR SAFETY by loosening the air shutter screw and rotating the air shutter until READ BEFORE LIGHTING proper setting is achieved (see Figure 31). The correct shutter openings are as follows: WARNING: If you do not follow these instructions exactly, a fire or explo
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O L O T O OPERATING FIREPLACE 13 Lighting Instructions (Con.) 13 To Turn Off Gas To Appliance CONVERTING FIREPLACE FROM NATURAL GAS TO PROPANE/LP GAS OPERATING FIREPLACE CONVERTING FIREPLACE Continued FROM NATURAL GAS TO 9. Push in the control knob all the way and hold in. Immedi- PROPANE/LP GAS ately light the pilot by pressing the red ignitor button until The conversion kit is packaged with the unit. Please check the a flame appears. Continue to hold the control knob in for contents before beg
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T T O O L L I I P P F F F F O O CONVERTING FIREPLACE FROM NATURAL GAS TO PROPANE/LP GAS 14 Converting Control Valve CONVERTING FIREPLACE FROM NATURAL GAS TO PROPANE/LP GAS Continued 3. Install the identification label enclosed with gas valve regulator CONVERTING CONTROL VALVE to the valve body where it can easily be seen (see Figure 36). Convert the gas control valve by swapping out the valve regulator portion of the gas valve. WARNING: The conversion kit must be installed 1. Using a TORX T20 o
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TROUBLESHOOTING 15 15 TROUBLESHOOTING WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Pilot will not stay lit 1. Defective thermocouple 1. Check pilot flame. It must impinge on thermocouple 2. Clean or adjust pilot for maximum flame impingement on thermocouple 3. Ensure the connection between valve and thermocouple are tight and secure 4. Check thermocouple with millivolt meter. Tak
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ILLUSTRATED PARTS BREAKDOWN 16 Models CD32M and CD36M-A Series ILLUSTRATED PARTS 21-3 21-5 21-4 BREAKDOWN 6 7 MODELS CD32M 21-6 AND CD36M-A SERIES 8 21-2 21-1 20 1 4 9 3 13 16 19 18 17 14 38 10 11 22 37 12 36 15 23 39 34 29 2 24 28 15 5 30 35 27 32 33 25 42 26 31 41 40 For more information, visit www.desatech.com For more information, visit www.desatech.com 111916-01A
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PARTS LIST 17 Models CD32M and CD36M-A Series 17 PARTS LIST MODELS CD32M AND CD36M-A SERIES KEY PART NUMBER KEY PART NUMBER NO. CD32M CD36M-A DESCRIPTION QTY. NO. CD32M CD36M-A DESCRIPTION QTY. 1 ** ** Firebox Assembly 1 22 11102 11102 Screw #8-32 x 3/8 PPH Zinc 2 2 ** ** Face Weldment 1 23 11105 11105 Screw #10 x 1/2 Zinc 9 3 108892-01 108010-01 Door Assembly 1 24 11179 11179 Screw #10-24 x 1/4 Zinc 4 4 108903-01 108011-01 Top Panel Assy Louver 1 25 11237 11237 Screw Trilab
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ILLUSTRATED PARTS BREAKDOWN 18 Model CD42M-A ILLUSTRATED PARTS BREAKDOWN MODEL CD42M-A 6 7 8 20 21-5 1 21-4 13 21-7 21-6 21-3 212 37 23 17 21-1 3 11 10 18 41 9 19 12 16 2 42 14 36 15 15 38 22 40 4 39 5 35 32 29 34 24 31 28 30 27 26 28 25 33 For more information, visit www.desatech.com For more information, visit www.desatech.com 111916-01A
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PARTS LIST 19 Model CD42M-A 19 PARTS LIST MODEL CD42M-A KEY PART KEY PART NO. NUMBER DESCRIPTION QTY. NO. NUMBER DESCRIPTION QTY. 1 ** Firebox Assembly 1 21-7 109401-02 Right Top Log (Log 7) 1 2 ** Face Weldment 1 22 11102 Screw #8-32 x 3/8 PPH Zinc 2 3 108328-01 Door Assembly 1 23 11105 Screw #10 x 1/2 Zinc 9 4 108331-01 Top Panel Assembly Louver 1 24 11179 Screw #10-24 x 1/4 Zinc 4 5 108331-03 Bottom Panel Assembly Louver 1 25 11237 Screw Trilab M4 x 8mm 1 6 ** Fireplace Top 1 26 1
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SPECIFICATIONS 20 WIRING DIAGRAM SPECIFICATIONS CD32M CD36M-A CD42M-A Gas Rate (Natural) 16,000/23,000 Btu/hr 15,000/22,000 Btu/hr 25,000/35,000 Btu/hr Gas Rate (Propane/LP) 15,000/21,000 Btu/hr 14,000/20,000 Btu/hr 23,000/33,000 Btu/hr Ignition Piezo Piezo Piezo Manifold Pressure 3.5" w.c. 3.5" w.c. 3.5"w.c. Minimum Inlet Supply Pressure 4.5" w.c. 4.5" w.c. 4.5" w.c. WIRING DIAGRAM Pilot Piezo Ignitor Piezo Ignitor Thermocouple Thermopile Safety Microswitch for Models CD32M-2 Pilot and CD36M-A
