Majestic Fireplaces 7PDVS Homeowner's Installation And Operating Manual - Table of Contents

Manual is about: DV Power Vent System

Summary of 7PDVS

  • Page 1

    Dv power vent system model 7pdvs do not store or use gasoline or other flammable vapours and liquids in the vicinity of this or any other appliance. For your safety what to do if you smell gas: • do not try to light any appliance. • do not touch any electric switch; do not use any phone in your buil...

  • Page 2: Table of Contents

    Dv power vent system 2 10003262 general information ....................................................................................................3 power system parts and description ......................................................................... 4 clearance to combustibles ............

  • Page 3

    3 dv power vent system 10003262 • this dv power vent system was designed to be used only on units with electronic ignition (en or ep). • this dv power vent system was certified by csa to be used only with cfm corporation direct vent models, as listed in this manual. • this dv power vent system can be...

  • Page 4

    Dv power vent system 4 10003262 1. Dv power vent box assembled with a 6ft power cord. 2. Two deflectors to be added to the side wall vent termination. 3. Assorted restrictor orifice plates to be used according to the instructions for specific models. 4. Installation and operating instruction manual. Dv...

  • Page 5

    5 dv power vent system 10003262 • the dv power vent system box needs a minimum 1” clearance all around the box. The dv power vent system box already has a 1” stand-off on all sides. • pipes from the fireplace to the dv power vent system box and from the box to the vent termination need: • clearance t...

  • Page 6

    Dv power vent system 6 10003262 models input (btu/h) restrictor orifice size 33bdvt or 33bdvr 15,000 23/32” 36bdvt or 36bdvr 18,000 29/32” dvr33 20,000 31/32” 39bdvt or 39bdvr 22,000 31/32” 43bdvt or 43bdvr 25,000 1” dvrt36 25,000 1” dv360 30,000 1¹⁄₃₂” dvrt39 30,000 1¹⁄₃₂” dvrt43 33,000 1¹⁄₁₆” 360dv...

  • Page 7

    7 dv power vent system 10003262 1-changing the restrictor orifice plate: before installation of the power vent box (recommended): a. From the inlet side, remove the two 3/8” nuts holding the orifice plate. B. Remove the orifice plate. C. Install the correct restrictor orifice plate according to the char...

  • Page 8

    Dv power vent system 8 10003262 install pipes and elbows according to the lay-out from the unit to the power vent system box and from it to the vent termination. Follow the vent installation accord- ing to the fireplace manual recommendations. 2-install the vent pipes and the dv power vent system box...

  • Page 9

    9 dv power vent system 10003262 l 6 l 7 l 5 l 2 l 4 l 3 l 1 in the above example there are: 4 times 90 degrees elbows = 360 degrees 2 times 45 degrees elbows = 90 degrees total elbow degrees = 450 degrees installation is ok a - maximum 40ft of straight pipe. B - minimum 10ft of straight pipe for uni...

  • Page 10

    Dv power vent system 10 10003262 venting down: a - maximum 40ft of straight pipe. B-minimum 10ft of straight pipe for units up to 33,000btu/h, minimum 15ft of straight pipe for units from 33,000btu/h to 40,000btu/h. C-maximum 6ft of straight pipe. D-maximum 12ft down. A = l 1 +l 2 +l 3 +l 4 +l 5 +l ...

  • Page 11

    11 dv power vent system 10003262 3- dv power vent system setup: 3.1 - checking the pressure switch position: the pressure switch diaphragm must be in a vertical plane. The pressure switch hose connections should never point up. The best position is pointing down, but can be pointed to the sides. Dep...

  • Page 12

    Dv power vent system 12 10003262 3.3 - adding deflectors to the side wall vent termination: 1. Open the plastic bag and check all components. (one top deflector, one bottom deflector, four self-tapping screws) 2. Install the bottom deflector using two screws provided with the kit. Refer to figure a. 3. ...

  • Page 13: Wiring Diagram

    13 dv power vent system 10003262 com no nc blue yellow white rtn hot black black 90fl female 1/4" qc terminal yellow black 24 v ac ret white green black black 120 v ac hot green or on/off switch to w all thermost at bushing 40va transformer 90fl female blue 24 v ac hot nova sit 822 valve lo hi black 9...

  • Page 14: Wiring Diagram

    Dv power vent system 14 10003262 com no nc blue yellow white rtn hot black white green or on/off switch to w all thermost at bushing wire spec.: field supplied minimum insula tion 2/64" 18 a ws solid, low vol tage & inst alled wires power v ent kit led j2 120v ac hot 120v ac rtn fan rtn fan hot key ...

  • Page 15: Maintenance

    15 dv power vent system 10003262 turn the switch on/off or the wall thermostat, to the on position. Blower will start immediately and will purge the unit and the vent system for 45 seconds. At that point, the pilot will light and the main burner(s) will follow. When the switch on/off or the wall the...

  • Page 16

    Dv power vent system 16 10003262 if there is a need to change the restrictor plate orifice on the dv power vent system box, follow the steps below: a. Turn the power off to fireplace and power vent. B. Remove the blower’s cover (two parts): • remove the hose attached to the blower casing. • remove two...

  • Page 17

    17 dv power vent system 10003262 screws figure a figure b figure c figure d figure e figure f.

  • Page 18

    Dv power vent system 18 10003262 troubleshooting the power vent system power vent motor is working? Does the pilot spark? Pilot burner lights? On/off switch or wall thermostat “on”? Is there 120v power to the fireplace and power vent? Are all wiring connections tight? (turn off power before checking)...

  • Page 19

    19 dv power vent system 10003262 troubleshooting the power vent system power vent motor is working? Does the pilot spark? Pilot burner lights? On/off switch or wall thermostat “on”? Is there 120v power to the fireplace and power vent? Are all wiring connections tight? (turn off power before checking)...

  • Page 20: 7Pdvs Dv Power Vent System

    Dv power vent system 20 10003262 1 2 3 5 4 6 7 14 11 15 16 9 10 8 ref. Description 7pdvs 1. Hose high temperature 10003405 2. Shield heat blower right assy 10003673 3. Shield heat blower left assy 10003672 4. Blower 10003214 5. Gasket blower 10003066 6. Gasket blower plate 10002280 7. Pressure switc...

  • Page 21: 7Pdvs Dv Power Vent System

    21 dv power vent system 10003262 7pdvs dv power vent system (continued) ref. Description 7pdvs 20. Plate restriction orifice size 31/32” 10003261 21. Plate restriction orifice size 1” 10003277 22. Plate restriction orifice size 1¹⁄₃₂” 10003328 23. Plate restriction orifice size 1¹⁄₁₆” 10003329 24. Plate...

  • Page 22

    Dv power vent system 22 10003262.

  • Page 23

    23 dv power vent system 10003262.

  • Page 24

    2695 meadowvale blvd. • mississauga, ontario, canada l5n 8a3 800-668-5323 • www.Cfmcorp.Com cfm corporation.