Installation & Maintenance Manual R520 R620 R-Series Indoor Residential Fireplace WARNING DANGER Read and understand this manual. Improper installation, adjustment, alteration, service or maintenance can cause serious injury, property damage or even death. For assistance or additional information consult a qualified installer, service agency or the gas supplier. Do not store or use gasoline or any other flammable vapors and liquids in the vicinity of this or any other gas burning appliance.
R520 & R620 Power Vent Indoor Gas Fireplace Table of Contents Safety Alert Key....................................................................................... 3 Introduction .......................................................................................... 3 Congratulations on your purchase............................................................... 3 Warranty and Installation Information: (See Appendix B)........................... 3 Installation ...............................
R520 & R620 Power Vent Indoor Gas Fireplace Safety Alert Key Introduction This manual covers installation, operation and maintenance. Lighting, operation and care of this fireplace can be easily performed by the homeowner. All installation and service work should be performed by a qualified or licensed installer, plumber or gas fitter as certified by the state, province, region or governing body where the fireplace is being installed.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section A: Before You Begin IMPORTANT MESSAGE: SAVE THESE INSTRUCTIONS The R520* & R620* Power Vent fireplaces must be installed in accordance with these Instructions. Carefully read all the instructions in this manual first. Consult the Local Gas Branch to determine the need for a permit prior to starting the installation.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Introduction to the R-Series Fireplace: The complete system will require a firebox, a power vent module, an electrical control panel, and a vent system. The appropriate vent system will connect the firebox to the power vent module and will be placed in a vertical or horizontal location. The R-Series fireplace is not a heat efficient fireplace and should not be used with a thermostat to heat your home.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 1: Product Dimensions 72 11/16" 61 1/8" 18" 21 3/4" 39 1/16" 9 13/16" Front View 15 3/16" 36 5/16" 5 3/8" 9 1/2" 9 7/8" 4 7/8" 32 15/16" 18 1/8" OD 61 1/4" OD 11 3/8" 65 9/16" 5 7/8" 8 3/16" Gas Inlet Side View Combustion Air Switch Sensor Line Top View Figure 1. R520* Fireplace dimensions (Tolerance ± ⅛").
R520 & R620 Power Vent Indoor Gas Fireplace Installation 84 11/16" 21 3/4" 39 1/16" 18" 73 1/8" 9 13/16" Front View 15 3/16" 42 5/16" 5 3/8" 9 1/2" 4 7/8" 9 7/8" 18 1/8" OD 32 15/16" 11 3/8" 5 7/16" Gas Inlet Combustion Air Switch Sensor Line 73 1/4" OD 77 9/16" 8 3/16" Side View Top View Figure 1a. R620* Fireplace dimensions (Tolerance ± ⅛").
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 2: Framing Clearances: MODEL Top - Rear Vent † Top - Top Vent † Rear - Top Vent Rear - Rear Vent Sides Floor Mantel To ensure the fireplace operates safely, all models must maintain the following clearances: R520* 10 10 2 6 3 0 6 R620* 10 10 2 6 3 0 6 † Note: Clearance from top of fireplace to a combustible ceiling within the fireplace enclosure.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Raised Installation: Determine the height of the platform based on where you want the bottom edge of the glass to be, see figure 1 or 1a for unit dimensions. Maintain minimum ceiling height shown in table. Build fireplace frame as shown in figure 3. Maximum Platform Height Minimum Required Ceiling Height 24" 8' 48" 10' U Q (Opening) Drywall or Equiv.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Installing the Fireplace: Place the Fireplace on the platform and install the Vent pipe, and Power Vent module. Next, connect the Gas line, and provide a gas service shut-off valve; according to local gas codes. Before fastening in place Line up the front face of the fireplace (top and bottom), Figure 3. then secure in place with 1/4"bolts and washers to the platform.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Back framing the Fireplace NOTE: Maintain a 1" clearance around the throat (projection at the front of the fireplace that holds the glass door) when installing 2x4s for back framing. Step 1). Cut and install one 2x4 to fit horizontally under the fireplace throat. Step 2). Cut and install required quantity of short filler 2x4's to fit vertically under the horizontal piece. Step 3). Cut and install four vertical 2x4's.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Recessed Installation: This fireplace can be recessed into the floor to get the viewing area as low as possible. Maintain a minimum of 6" clearance from the Header bottom of glass to completed floor. Minimum clearance can be reduced to 3" for uncarpeted Picture of Non combustible flooring. Discolouration may occur due to high temperatures. Steel header (supplied by Montigo) 2x4 (horizontal) 2-pcs 2 x 4 (vertical) Both Sides Typ.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 3: Venting Montigo supplies a variety of power venting options. The location of the power vent should be selected and laid out to provide the most efficient possible run to an external wall or through the roof. 3. Install the removed Rear flue cover (5" and 10") to the Top Vent outlet. Fasten the cover with included hardware, as . shown in Figure 7a. Notes For Planning Venting: 4.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 3-1-2: Converting the Pressure Sensing Tube and Air Baffle When the R520*/R620* is converted from Top Vent to Rear Vent, the pressure sensing tube must be removed and replaced with supplied Rear Vent pressure sensing tube and air baffle must be relocated as described below. 3. Position the supplied Rear Vent pressure sensing tube as shown in Figure 7a. Hand tighten the compression nut by hand and then a half-turn with a wrench.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 3-2: Installing a Roof Mounted Vent System This section applies to installations where the most efficient vent run is through the roof. Refer to Appendix A - Power Vent locations, to ensure the planned Power vent location is acceptable. Refer to the table below for vent run requirements.
R520 & R620 Power Vent Indoor Gas Fireplace Installation D** D** Figure 10b. Multi-Elbow with downward vent run, Top or Rear Vent, Roof mounted power vent.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 3-2-1: Installing Roof Mounted Power Vent (EPVRR) and Rough-in Frame (EPVRRF) Step 1: Construct a chase box around the vent penetration with interior dimensions of 14 1/2" x 14 1/2" x 18" minimum in height, see Figure 11. Front View 14 14 1/2” 14 1/2” 19.3 2.0 18” 8.46 5 Figure 11. Chase box dimensions. Step 2: Install the Vent pipe female end up 2" to 3" maximum from the top of the chase box.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Step 6: Install the Power Vent module power harness. Hold the Power Vent in close proximity to the assembled chase. With stainless steel cover attached, plug in the power harness. Note the direction and orientation of the plug socket, see Figure 11e. Inset Power Vent Rough-in Kit Electrical Harness Connector Location Electrical Harness from Power Vent Electrical Harness Figure 11e. Installed power harness. Figure 11b.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 3-3: Installing a Wall Mounted Vent System This section applies to installations where the shortest possible vent run is through the wall. Refer to Appendix A - Power Vent locations, to ensure the planned Power vent location is acceptable. Refer to the table below for vent run requirements.
R520 & R620 Power Vent Indoor Gas Fireplace Installation D** D** Figure 12b. Multi-Elbow with downward vent run, Top or Rear Vent, Wall mounted power vent.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 3-3-1: Installing Wall Mounted Power Vent (EPVRW) and Rough-in Frame (EPVRWF) 14 1/2” 14 1/2” Figure 13. Frame dimensions. Step 2: Insert the Power Vent Rough-in Kit and secure in place, see Figure 13a. Framing Fasteners Rough-in Frame Figure 13a. Securing the Power Vent Rough-in Kit. Step 3: Remove the bottom collar and conduit mounting frame, see Figure 13a. Set removed hardware aside until needed for reassembly.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Step 4: Insert the conduit from the Power Vent module into the rough-in frame through the two top right entry holes. Remove the nut from the supplied strain relief and place as show in Figure 13c. Step 7: Fasten conduit mounting frame into place using existing hardware, six pieces. Coil conduit behind cover. See Figure 13e. Strain Relief Power Vent Harness Installed Power Vent Connector Tightened hardware, 6-pcs. Strain Relief Nut Figure 11e.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 3-4: Venting components The following components and associated Montigo part numbers are for installation of a roof or wall mounted Power Vent. Only use Montigo Vent Components. Use of non-Montigo parts will VOID the warranty and may impede operation of the fireplace.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 3-5: Heat Shields Installing a Wall Mounted RHS102 Heat shield The RHS102 Heat shield must be used if vent pipe passes through a wall or ceiling within 6' of the unit. To install the RHS102, Slide the Inner Section over the vent pipe that will connect to the fireplace. Then fasten the vent pipe to the back of the fireplace with a minimum of three sheet metal screws. From the outside slide the RHS102 outer section on.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 4: Wiring Installing the Fireplace Control Box Install the Fireplace Control Box in an accessible location. The location should be where maintenance, adjustments and service may be made easily. Connector Vertical Power Vent Termination Control Panel / Top View Control Cable Installation required for either Horizontal or Vertical Termination Vent Figure 15a.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Fuse 5A Pre-purge Time-On delay 110V 110 Volts 60Hz 5A 1 2 3 4 5 6 7 8 Post-purge Module Green LED NC Gas Valve 1 LV Wall Switch Gnd Green Brn Blu Red Blk / Wht Wht / Blk Blk / Wht Wht / Blk Plug NO Combustion Flue Gas Air Switch Switch Power Vent Fireplace Figure 16. R520* & R620* HSI Wiring Diagram Note: If any of the original wire supplied with the appliance is replaced, it must be with the same or it's equivalent.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 5: Installing the gas line Fuel Type Verify that your fireplace is compatible with your available gas type. Natural Gas or Propane shown by "N" or "L" in your model number on rating plate. Located next to the Gas Inlet is the Combustion Air Switch Sensor Line. Do NOT obstruct or alter the Combustion Air Switch Sensor Line. Gas Pressure Optimum appliance performance requires proper input pressures.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 6: Testing the system Note: No gas is needed to test the system The R520* / R620* Control and Power Vent System can be safely tested prior to finish framing the Fireplace. This test can be done quickly and efficiently to ensure all systems function according to the design specifications. The fireplace should be installed on the rough-in frame, Figure 3 with the Power Vent Module and the Vent run connected.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 7: Finishing the fireplace As shown in Figure 19; Install the supplied Non-combustible cement board to overlap the new Horizontal & Vertical 2 x 4's, See Figure 5. Place the Non-combustible wall board above the fireplace throat, allowing 1/8" clearance from the rim above the fireplace opening. Pre-drill the board with 1/8" drill and secure to framing with Nails, use flat heat sheet metal screws to fasten the board to the metal header.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Finishing Around the Fireplace Mantels & Surrounds Non-combustible mantels and mouldings may be safely installed over the top and on the front of the fireplace provided that they do not project beyond shaded area shown in Figure 20. NOTE: National Canadian Gas Association mantel test requirements are for fire hazard prevention to combustible materials.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 8: Removing & Installing the Door Removing the door trim: Follow the steps below to remove, or install the R520* / R620* fireplace door trim. Removing the door: Follow the steps to remove, or install the R520*/R620* fireplace door. Step 1: Remove glass suction cups from box and place on Glass door. (The tool may not be exactly as shown). Step 2: Place the suction cups on the glass door, spaced evenly.
R520 & R620 Power Vent Indoor Gas Fireplace Installation Section 9: Installing the Firestones Optional River Rocks The R520* / R620* is supplied with glass firestones. To install the firestones remove the trim and door as shown in the previous section. Follow these instructions to ensure all parts are removed or replaced as required. Once the trim and glass door is removed, place the firestones randomly around the burners as shown in Figures 22 and 22a.
R520 & R620 Power Vent Indoor Gas Fireplace Operation WARNING If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. Startup Sequence: 1) Turn the wall switch ON 2) The combustion air switch relay will light up and the blowers . will start. Within 10 seconds the flue gas air switch will turn on. 3) The glow plugs will start to glow 45 - 60 seconds after the pre-purge period.
R520 & R620 Power Vent Indoor Gas Fireplace Maintenance Section 10: Cleaning and Maintenance Cleaning General ■ Have the fireplace and installation inspected yearly. The inspection must include, but is not limited to, the following: • A visual check of the entire vent system and termination. • An inspection of the door gaskets to ensure a proper seal. • An inspection of the burner, vent run, and primary air openings. • An inspection of the gas valve, gas components, and pilot flame.
R520 & R620 Power Vent Indoor Gas Fireplace Appendix Appendix A: Power Vent Locations V Horizontal Detail Vertical Detail Location Canada* USA** A clearance to the termination frame above grade, veranda, porch, deck, or balcony 30 inches 30 inches B clearance to top of doors or operable windows 12 inches 12 inches 4 feet 4 feet 0 0 C clearance to sides or bottom of door or operable windows D clearance to permanently closed window when installed with approved gas penetration terminatio
R520 & R620 Power Vent Indoor Gas Fireplace Appendix Appendix A: Power Vent Locations EDVRSPV58 Vertical Power Vent Detail EDVWSPV58 Horizontal Power Vent Detail Wall “R” Eaves / Overhang Wall “F” & “G” Wall “R” Top View “R” 24” (61cm) . “H” & “I” “V” Front View Wall 18” 18” Min.
R520 & R620 Power Vent Indoor Gas Fireplace Appendix Appendix B: Warranty The Warranty The Companies warrants the Montigo Gas Appliance to be free from defects in materials and workmanship at the time of manufacture. On the Montigo fireplace, there is a ten-year warranty on the firebox and its components, a five-year warranty on the main burner and pilot burner, and a one-year warranty on the gas control valve, fibre logs and Power Vent Module.
R520 & R620 Power Vent Indoor Gas Fireplace Appendix Appendix C: State of Massachusetts Amendment (Gas Fireplace / Equipment sold in the State of Massachusetts) 5.08: Modifications to NFPA-54, Chapter 10 (1) Revise NFPA-54 section 10.5.4.
R520 & R620 Power Vent Indoor Gas Fireplace Notes XG0772 - 040513 Page 39
R520 - R620 Single Sided Gas Fireplace Ferndale, Washington TF: 1.800.789.6236 FX: 1.866.3000.0927 XG0771 -040513 Langley, British Columbia TF: 1.800.378.3115 FX: 1.604.607.
