Questions? Email us at fireplaces@montigo.com or visit our website at www.montigo.com. MD44-DV Direct Vent Vented Fireplace Installation Operation & Maintenance MD44-DV Direct-Vented Gas Fireplace Warning: Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency or the gas supplier.
MD44-DV Direct Vent Vented Fireplace Table Of Contents Introduction ............................................................................. 2 Installation ........................................................................ 3 - 12 Installing the Fireplace Shell ......................................... 3 Installing the Gasline ..................................................... 4 Introduction The MD44-DV is a direct-vented gas fireplace equipped with a double burner.
MD44-DV Direct Vent Vented Fireplace Installation Installing The Fireplace Shell ** The fireplace may be installed in any location that maintains proper clearances to air conditioning ducts, electrical wiring and plumbing. Safety, as well as efficiency of operation, must be considered when selecting the fireplace location. Try to select a location that does not interfere with room traffic, has adequate ventilation, and offers an accessible pathway for Direct Vent installation.
MD44-DV Direct Vent Vented Fireplace Installation Installing The Gas Line The gas line must be installed before finishing the D44DV Fireplace. Natural Gas requires a minimum inlet gas supply pressure of 5.5" W.C. & a manifold pressure of 3.5" W.C. Propane Gas requires a minimum inlet gas supply pressure of 11" W.C. & a manifold pressure of 10.5" W.C. Provision must also be made for a 1/8" N.P.T.
MD44-DV Direct Vent Vented Fireplace Installation Installing Terminations with Built-In Frames Installing Terminations with MOSR Frames MOSR 11 12 PTO-3F 12 11 PTO-3 1. Frame the termination opening to 11" x 11". 1. Frame the termination opening to 12" x 12". 2. Fasten the termination to the studs using a minimum of 4 screws. 2. Fasten the MSR frame to the interior side of the studs using a minimum of 4 screws. Installing Terminations with MSR Frames 3.
MD44-DV Direct Vent Vented Fireplace Installation Top Vent Installation Of Top Vent DV Top Vent Venting Runs Before you install any venting, you must determine whether the venting run will be acceptable. Unacceptable venting can affect the fireplace's combustion.
MD44-DV Direct Vent Vented Fireplace Installation Top Vent 150" max. 126" PTKO Termination Termination Solid Section w/ 90° Elbow PEL-90 Elbow Exterior Wall Flex Section Hearth Figure 10. Extended installation using PIHR-10. Figure 8. Simple Top Vent installation. If the 90° elbow is installed directly on the fireplace, the height to the center of the termination is 49 5/8". 30" Max.
MD44-DV Direct Vent Vented Fireplace Installation Top Vent Installation Of Vertical Vent DV n Vertical Terminations must be installed: • minimum 2' (two feet) above the highest point where vent passes through the roof. • minimum 6' (six feet) from a mechanical air inlet • minimum 18" (1 1/2 feet) from a parapet wall. n Maximum vent height is 30 feet above fireplace. Note: Flame characteristics will change if the maximum vent height is used.
MD44-DV Direct Vent Vented Fireplace Installation Rear Vent Rear Vent Venting Runs The MD44-DVRV has three possible installations: 3. 45° Corner Installation. Use a 45° elbow, and a termination (and frame, if appropriate). 1. Straight Installation. The height from the hearth to the center of the termination is 33". MD44-DV Rear Vent versions are supplied with an 20" extension pipe (PEXT-20) with female/female connections. For shorter installations, cut the PEXT-20 to the desired length.
MD44-DV Direct Vent Vented Fireplace Installation Finishing Around the Fireplace 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 19a. Side wall clearances are 3". Combustible surrounds may be installed with 3" clearance to the side of the fireplace as shown in Figure 19b. design, for example: candles, plastic or pictures.
MD44-DV Direct Vent Vented Fireplace Installation Optional Blowers It is extremely important that you do not cover the Carry Over Port with embers. Doing so may cause delayed ignition of the burner. Embers may be placed in the burner tray and over the burner head. Keep the burner ports clear as much as possible as this will allow for the best “Glow” of the embers. See the illustration below for details.
MD44-DV Direct Vent Vented Fireplace Installation Removing and Installing the Door Removing and Installing the Insert Removing the door surround: You may remove the insert to protect it from theft and damage during construction. 1. Remove the two machine screws (1 left & 1 right) at the top of the insert that attach the insert to the shell. See Inset 1. 2. Remove the fresh air flex from the collars on the shell. See Figure 24.
MD44-DV Direct Vent Vented Fireplace Operation - Model MD44-DV MD44-DV with Continuous Pilot For Your Safety - READ BEFORE LIGHTING: WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. B. BEFORE LIGHTING smell all around the appliance area for gas.
MD44-DV Direct Vent Vented Fireplace MD44-DV-I Operation - Model MD44-DV-I with Honeywell Intermittent Pilot For Your Safety - READ BEFORE LIGHTING: WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance is equipped with an ignition system that lights the pilot burner automatically. Do not attempt to light the pilot by hand. B. BEFORE LIGHTING smell all around the appliance area for gas.
MD44-DV Direct Vent Vented Fireplace Operation Maintenance Lighting Instructions CAUTIONS n Fireplace gas control must be in the “OFF” position and pilot and main burners extinguished when cleaning appliance with a vacuum. See pages 13 and 14. Burner Adjustment The MD44-DV Homefire is equipped with an adjustable rear burner, allowing you to raise or lower the flames. To adjust the flames, locate the black knob marked 'Hi-Lo', in the centre of the gas control valve (See Figure 25).
MD44-DV Direct Vent Vented Fireplace Maintenance Gas Control Valve Troubleshooting Power Generator D44DV-I HONEYWELL SV 9500 /SV9600 Troubleshooting Sequence Pilot Adjustment Screw Wall Switch NOTE: Before Troubleshooting, Familiarize Yourself With START Inlet Pressure The Startup And Checkout Procedure. INSET · Turn Gas Supply off · Set thermostat to call for heat Manifold Pressure Test Connection SV9500/SV9600 is powered (24 VAC nominal) Figure 22. Sit 820 gas valve.
MD44-DV Direct Vent Vented Fireplace 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, there is a ten-year warranty on the firebox and its components, a five-year warranty on the main burner, and a one-year warranty on the pilot burner, gas control valve and fibre logs. Glass, plated/painted finishes, and refractory lining are exempt.
MD44-DV Direct Vent Vented Fireplace Appendix A - Spare Parts Pilot Assembly & Gas Valve MD44-DV Pilot Assembly & Gas Valve MD44-DV-I 19 ' $ 20 21 ! ! 1. Gas Control Valve - Sit Nova 820 15. Wire Harness 16. Pilot Burner Ass'y (Precision Speed Equip. X-10A) 29. Gas Control Valve - Honeywell SV9501M 30. Wire Harness 31. Pilot Burner Ass'y (Honeywell Q3450) 24 Burner Assembly 23 22 25 26 27 2. 3. 4. 5. 6. 7. 8. 9.
MD44-DV Direct Vent Vented Fireplace Appendix B - Termination Locations A = clearance to the termination frame above grade, veranda, porch, deck, or balcony [16 inches (41 cm) minimum] B = clearance to door, or sides and top of window, that may be opened [16 inches (41 cm) minimum for appliances ≤100 000 BTU/H (30kW)] C = clearance to bottom of window that may be opened horizontally [36 inches (92 cm) minimum for appliances ≤100 000 BTU/H (30kW)] M = clearance to mechanical air supply inlet [*6 feet (1.
MD44-DV Direct Vent Vented Fireplace XG0120 Rev. 02 07-02 Page 20 Canadian Heating Products Inc. Montigo Del Ray Corp. Langley, BC V4W 4A1 Ferndale, WA 98248 Part No.
