Page 2 - CONTENTS
2 61D1013 CONTENTS Important Safety Information ................................. 3Product Features ......................................................5 Before You Start .....................................................5 General Installation Information .............................6 Firebox ...
Page 3 - National; INSTALLER; IMPORTANT SAFETY INFORMATION; CARBON MONOXIDE POISONING:; burns, explosion or carbon monoxide poisoning.; ARNING
61D1013 3 9. The installation must conform with local codes or, in the absence of local codes, with the National Fuel Gas Code, ANSI Z223.l/NFPA54. 10. This unit complies with ANSI Z21.91.2001 ventless firebox enclosures for gas-fired unvented decorative room heaters. 11. Do not install heater in a ...
Page 5 - BEFORE YOU START; MAKE SURE YOU HAVE RECEIVED ALL PARTS; PRODUCT FEATURES
61D1013 5 The BUF400 and BUF500 are vent-free fireboxes and feature a self contained heat-circulating system. This unit also features a 2-in1, flexible-face system that converts the circulating system into a radiant system in seconds. This installation manual will enable you to obtain a safe, effici...
Page 6 - FIREBOX EXTERNAL DIMENSIONS; GENERAL INSTALLATION INFORMATION; Figure 1 - Firebox Dimensions
6 61D1013 BUF400: 24 13 / 16 " 2 3 / 16 " 6 9 / 16 " 10 3 / 8 " 14 7 / 16 " BUF400: 40" BUF400: 36" 24 1 / 4 " 6 1 / 2 " 21 9 / 16 " 21" 34" 6" 2" BUF500: 30 13 / 16 " BUF500: 46" BUF500: 42" In planning the installation for the app...
Page 7 - Figure 3 - Location of Firebox; MINIMUM HEARTH DIMENSIONS; Figure 2 - Minimum Hearth Dimensions; LOCATION OF FIREBOX
61D1013 7 17" 21 1 / 2 " BUF400: 35 1 / 2 " BUF400: 20 3 / 8 " BUF500: 26 3 / 8 " BUF500: 41 1 / 2 " Figure 3 - Location of Firebox MINIMUM HEARTH DIMENSIONS GENERAL INSTALLATION INFORMATION Figure 2 - Minimum Hearth Dimensions Carefully select the best location for installat...
Page 8 - Sidewall clearances:; The ceiling must be at least 42” from the top of the firebox opening.; CLEARANCES; HEIGHT REqUIREMENTS
8 61D1013 9" Minimum 42" Minimum 9" Minimum Ensure that minimum clearances shown in Figures 4 through 7 are maintained. Left and right clearances are determined when facing the front of the firebox. Follow these instructions carefully to ensure safe installation. Failure to follow these ...
Page 9 - Mantel clearances:; The canopy supplied with the unit
61D1013 9 12" 10" 8" 6" 2 1 / 2 " 12" 16" 19" 21" 23" CLEARANCES and HEIGHT REqUIREMENTS 4. Mantel clearances: The canopy supplied with the unit must be installed. If a combustible mantel is installed, it must meet the clearance requirements as shown in Figure...
Page 10 - FIREPLACE FRAMING; and the chart below for your specific installation requirements.
10 61D1013 20 5 / 16 " 400: 40 1 / 4 " 400: 66 1 / 8 " 400: 24 13 / 16 " 500: 30 13 / 16 " 500: 46 1 / 4 " 500: 72 5 / 8 " 400: 46 3 / 4 " 500: 51 3 / 8 " 400: 33 1 / 16 " 500: 36 5 / 16 " 400: 12 3 / 4 " 500: 16 " 400: 24 13 / 16 " 400: 40 1 /...
Page 11 - Bend out the nailing flanges located on each side of the firebox.
61D1013 11 FIREPLACE FRAMING 1. Bend out the nailing flanges located on each side of the firebox. 2. Slide the firebox into prepared framing or position firebox in its final position and frame later. 3. Level the firebox by checking the top edge of the firebox. Shim if necessary. 4. Anchor firebox t...
Page 13 - CANOPY INSTALLATION; INSTALLING CANOPY; Figure 13 - Installing Canopy
61D1013 13 CANOPY INSTALLATION INSTALLING CANOPY A canopy is furnished with each firebox and MUST be installed for safe operation. See Figure 14. 1. Locate three (3) holes at the top of the front frame. See Figure 13. 2. Align the canopy with the holes in the top of the frame. 3. Secure canopy to fr...
Page 14 - OPTIONAL EqUIPMENT; FORCED AIR KIT
14 61D1013 OPTIONAL EqUIPMENT FORCED AIR KIT (FA2A) If you are installing the forced air kit, Model FA2A, see the installation instructions provided with the kit for electri-cal wiring requirements, or the blower installation section. The firebox must be connected to main power supply at time of fir...
Page 15 - ILLUSTRATED PARTS LIST
61D1013 15 1 2 3 3 ILLUSTRATED PARTS LIST ITEM DESCRIPTION qTY BUF400 BUF500 1 Canopy 1 26D4568 26D4706 2 Screen Panel 2 26D0131 26D0187 3 Screen Rod 2 26D0132 26D0133 4 Rear Refractory 1 61D0102 61D0107 5 Side Refractory 2 61D0101 61D0101 6 Bottom Refractory 1 61D0100 61D0106 7 Outside Air Kit 1 AK...
Page 16 - FOR USE OF OPTIONAL AK-4 OUTSIDE AIR KIT; COMBUSTION AIR; See Figures 14
16 61D1013 8'max. FOR USE OF OPTIONAL AK-4 OUTSIDE AIR KIT COMBUSTION AIR 1. Locate combustion air assembly at an exterior location which is not likely to be accidentally blocked in any manner. Locate assembly a min. of 12" above the snow line to prevent blockage by snow accumulation. 2. Never m...
Page 17 - MODEL AK-4 COMBUSTION AIR ASSEMBLY; Figure 18 - Attaching Outside Air Starting Collar; Figure 19 - Attaching Outside Duct; Figure 20 - Combustion Air Assembly for
61D1013 17 FOR USE OF OPTIONAL AK-4 OUTSIDE AIR KIT The use of outside air for combustion is optional unless required by building codes. It is only necessary to supply outside combustion air to one side of the fireplace. Use the model AK4 combustion air kit. MODEL AK-4 COMBUSTION AIR ASSEMBLY 1. Rem...
Page 18 - Figure 21 - Installing Duct
18 61D1013 MODEL AK-4 COMBUSTION AIR ASSEMBLY (CONTINueD) 7. If the duct is the insulated type, push the insulation back from one end of the duct approximately 2". See Figure 21. 8. Slip the exposed end of the duct over the starting collar on the fireplace . 9. Using the sheet metal screws provi...
Page 20 - LIMITED LIFETIME WARRANTY POLICY; FIVE YEAR WARRANTY; number of your MHSCC product.; MHSC
LIMITED LIFETIME WARRANTY POLICY The following components are warranted for life to the original owner, subject of proof of purchase: Firebox, Combustion Chamber, Heat Exchanger, Grate, and Stainless Steel Burners. FIVE YEAR WARRANTY The following components are warranted for 5 years to the original...