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B-VENT DECORATIVE GAS FIREPLACE
OWNER’S OPERATION AND INSTALLATION MANUAL
MODELS M36(B,H), M42(B,H), VM36(B,H) AND VM42(B,H) NATURAL GAS
MODELS M36P(B,H), M42P(B,H), VM36P(B,H) AND VM42P(B,H) PROPANE/LP GAS
SAVE THIS BOOK
WARNING: If the information in these instructions
This book is valuable. In addition to instructing you
is not followed exactly, a fire or explosion may re-
on how to install and maintain your appliance, it
sult causing property da
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2 TABLE OF CONTENTS Safety Information ........................................................................2 Cleaning and Maintenance .........................................................18 Unpacking ....................................................................................3 Wiring Diagram ...........................................................................18 Introduction ...................................................................................3 Service Hints .
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3 3 SAFETY INFORMATION INTRODUCTION Continued Models M36(P)(B,H), VM36(P)(B,H), M42(P)(B,H) and VM42(P)(B,H) are vented gas fireplaces that use a millivolt gas 9. You must keep control compartments, burners and circulating control valve with a millivolt ignition system. A 6" B-Type venting air passages clean. More frequent cleaning may be needed due system and a listed type vent cap are not supplied but are required to excessive lint and dust from carpeting, bedding material, etc. for prop
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4 GAS RATING - NATURAL INTRODUCTION M36(B,H), VM36(B,H) M42(B,H), VM42(B,H) Continued Max. Input Rating: 40,000 Btu/Hr 45,000 Btu/Hr Manifold Pressure: 3.5 in. WC (.87 kPa) 3.5 in. WC (.87 kPa) CAUTION: Do not connect appliance before pressure Minimum Supply Pressure: 4.5 in. WC (1.12 kPa) 4.5 in. WC (1.12 kPa) testing gas piping. Damage to gas valve may result and Maximum Supply Pressure: 10.5 in. WC (2.66 kPa) 10.5 in. WC (2.66 kPa) an unsafe condition may be caused. Orifice Size: # 30 # 29
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5 5 SELECTING LOCATION PRE-INSTALLATION To determine the safest and most efficient location for your appli- PREPARATION ance, you must take into consideration the following guidelines: 1. The location must allow for proper clearances (see Clearances, CLEARANCES next column). Minimum clearances to combustibles are: 2. Consider a location where heat output would not be affected • Back and Sides of Outer Surround ..................... 0" min. by drafts, air conditioning ducts, windows or doors. •
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6 PRE-INSTALLATION PREPARATION Continued MANTEL CLEARANCES AND WALL DETAILS TOP VIEW A combustible mantle shelf maybe installed a maximum 12" Outer Surround (229 mm) from the wall. Figures 5 and 6 show the minimum Combustible allowable distances from various combustible mantle compo- Material May nents in relation to the fireplace opening. Be Used SAFE 12" Combustible 1 ZONE 1 /2" (38 mm) (229mm) Materials Max. 3" (76 mm) Header Max. 6" (152 mm) 6" (152mm) Max. A Perpendicular B Wall A M36(
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7 7 These Dimensions Allow for a 3/4" PRE-INSTALLATION Clearance at Sides and Back of Fireplace. However, 0" Clearance PREPARATION is Permitted Continued D FRAMING C 1. Frame appliance enclosure as illustrated in Figures 7 and 8. A 3/4" Clearance Not Required Note: If a wall covering is used to line the enclosure, then all at Nailing measurements must be from the surface of the covering. Flanges 2. Place the appliance into the framing and secure it. Note: If appliance is to be raised
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8 Example 1: Shows the minimum allowable system height and VENTING INSTALLATION lateral offset for a 60° degree or greater inclination. Code specifies A B-type venting system must be connected to the appliance for that offsets at 60° degrees or greater are considered horizontal and venting to the outside of the building. must follow the 75% percent rule for lateral to total vertical system height. Codes also allows only one offset in the total system when The following section is provided a
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9 9 VENTING INSTALLATION WARNING: This appliance must be properly con- Continued nected to a system and must not be connected to a chimney flue servicing a separate solid fuel burning Vent terminations must be located in accordance with height and appliance. proximity rules of NFPA No. 54 or CAN/CGA B149. These rules apply to vents at 12 in. diameter or less and require a minimum height in accordance with the roof pitch and a minimum of 8 ft. CHECKING FOR PROPER VENTING distance from a ve
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O OUT IN 10 4. Connect wires to control circuit. Connect white wire to termi- INSTALLATION nal marked TH/TP on control valve. Connect red wire to male blade connector provided at open end of safety circuit wiring WALL SWITCH INSTALLATION (see Wiring Diagram, page 18). The installation of a wall switch allows you to activate the gas 5. Locate the battery clip mounted on the back of the receiver control valve without the normal household electricity since the (see Figure 16). valve operates
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11 11 Shutoff INSTALLATION Typical Exterior Wall Gas Valve Continued Shutoff Installation GAS LINE HOOK-UP Key WARNING: Gas line hookup should be done by your gas supplier or a qualified service person. Extension WARNING: Before you proceed, make sure your Figure 18 - Manual Shutoff Valve Installation gas supply is OFF. A manual shutoff valve has been included in the applianceʼs gas 1/2" NPT Incoming supply system. You may consider installing an extra gas shutoff Black Iron Gas Line valve
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12 LOG PLACEMENT FOR M36, M36P, VM36 AND INSTALLATION Continued VM36P MODELS 1. Place small front right log (log 1) on right front of grate as EMBER AND PAN MATERIAL PLACEMENT shown in Figure 25. 1. Open the bag(s) of vermiculite and fill the entire burner pan 2. Place large back log (log 2) onto grate making sure notches until the burner tube is completely covered (see Figure 22). rest over grate as shown in Figure 25. 2. Smooth the pan material just even with edges of the burner 3. Place
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13 13 LOG PLACEMENT FOR M42, M42P, VM42 AND INSTALLATION Continued VM42P MODELS 1. Place large back log (log 1) onto grate making sure notches 5. Place the upper end of log 5 into notch on the left of log 2 (see rest over grate (see Figure 29). Figure 27). Rest the lower end of log 5 on the grate as shown 2. Insert lower end of log 2A between the first two grate fingers in Figure 28. and position the upper end into the notch on the front of log 1. 6. Insert the lower end of log 6 between the
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14 COMBUSTION AIR KIT MODEL AK4 INSTALLATION Continued (OPTIONAL) The outside air kit may be installed on the left side of the fireplace 5. Place the upper end of log 5 into the notch on the top inner only. The vent can be installed through any outside wall a minimum right of log 1 (see Figure 31). Rest the lower end of log 5 on of three feet below fireplace termination cap. The handle to operate the middle grate finger as shown in Figure 32. the damper door for the outside air inlet will be
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15 15 INSTALLATION CAUTION: The glass panels become very hot while the Continued appliance is operating. Do not attempt to adjust or clean the glass doors until the appliance has fully cooled. INSTALLING OPTIONAL GLASS DOOR The doors may be removed for replacement or cleaning as follows: ACCESSORY 1. Partially open the door and press up on the upper spring clip with CAUTION: Use only glass doors certified for use a screw driver until the outer top pivot pin is free of the clip. with this
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16 9. Push in the knob all the way and hold in. Immediately light OPERATING FIREPLACE the pilot manually. Continue to hold the control knob in for about (1) minute after the pilot is lit. Release knob and it will FOR YOUR SAFETY pop back up. Pilot should remain lit. If it goes out, repeat READ BEFORE LIGHTING steps 5 through 9. • If knob does not pop up when released, stop and imme- WARNING: If you do not follow these instructions diately call your service technician or gas supplier. exac
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17 17 OPERATING FIREPLACE INSPECTING BURNERS Continued Check pilot flame pattern and burner flame patterns often. OPTIONAL HAND-HELD PILOT ASSEMBLY REMOTE OPERATION The pilot assembly is factory preset for the proper flame height. Note: The receiver and hand-held remote control kit must be Alterations may have occurred during shipping and handling. The purchased separately (see Accessories, page 27). Follow instal- pilot is located on the back right hand side of the burner. lation instructions
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O 18 CLEANING AND SERVICE HINTS MAINTENANCE When Gas Pressure Is Too Low • pilot will not stay lit WARNING: Installation and repair should be done • burner will have delayed ignition by a qualified service person. The appliance should be inspected before each use and at least annually by a • fireplace will not produce specified heat qualified service person. More frequent cleaning may be • propane/LP gas supply may be low if using propane/LP gas required due to excessive lint from carpeting, be
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19 19 TROUBLESHOOTING Note: Before troubleshooting the system, make sure the gas shutoff valve is ON. The two most common causes of a malfunctioning gas appliance are: 1. Loose wiring connections 2. Construction debris clogging the pilot and/or gas control valve filter OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Pilot will not light 1. No gas supply or shutoff valve is OFF 1. Check to see if you have gas supply 2. Air in gas line 2. Hold regulator control valve in the PI- LOT position for 2 to 3 minut
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20 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Spark ignitor will not light pilot after re- 1. Defective ignitor (no spark at elec- 1. Check for spark at the electrode and peated triggering of red button trode) pilot; if no spark and electrode wire is properly connected, replace ignitor 2. Defective pilot or misaligned electrode 2. Using a match, light pilot. If pilot lights, at pilot (spark at electrode) turn off pilot and trigger the red button again. If pilot lights,
