MHSC 36CDVXTRN Operations Instructions

Installation Instructions and Homeowner’s Manual20012253 10/09 Rev. 7Builder Direct Vent Models: 36CDVXRRN (Rear Vent) 36CDVXTRN (Top Vent)DO N

10CDVX Series Direct Vent Gas Fireplace20012253The fireplace, when installed, must be electrically connected and grounded in accordance with local cod

11CDVX Series Direct Vent Gas Fireplace20012253VVVVVVVXXXDEBBBCBMBAJKFLVENT TERMINATION AIR SUPPLY INLETAREA WHERE TERMINAL IS NOT PERMITTEDHIÝi`

12CDVX Series Direct Vent Gas Fireplace20012253General Information Assembling Vent PipesCanadian Installations:Venting system must be installed in acc

13CDVX Series Direct Vent Gas Fireplace20012253The vent chart should be read in conjunction with the following vent installation instructions to deter

14CDVX Series Direct Vent Gas Fireplace20012253• Minimum clearances between vent pipe and com-bustible materials are as follows: Top - 1” (25 mm) S

15CDVX Series Direct Vent Gas Fireplace20012253FP1005Side View Vent Termination1/25/00 djt22”(559 mm)CLFinished WallSecure with ScrewVent Terminatio

16CDVX Series Direct Vent Gas Fireplace20012253&0REARFLEXVENTFig. 21 Bend flex pipe up 90° as close to fireplace as pos-sible.FP1604&a

17CDVX Series Direct Vent Gas Fireplace20012253needs to have an immediate rise before going hori-zontal. NOTE: Be careful not to distort the outer fle

18CDVX Series Direct Vent Gas Fireplace2001225312341 + 2 + 3 + 4 = 270oCFM132Insert Rear Vent Sidewall2/26/01 staCFM132Fig. 29 Maximum number of elb

19CDVX Series Direct Vent Gas Fireplace20012253STEP 6Support the horizontal pipes every 36” (914 mm) with metal pipe straps. Make sure that the horizo

2CDVX Series Direct Vent Gas Fireplace20012253PLEASE READ THE INSTALLATION & OPERATING INSTRUCTIONS BEFORE USING APPLIANCE.Thank you and congratul

20CDVX Series Direct Vent Gas Fireplace20012253Do not back fill around snorkel. A clearance of at least 4” (102 mm) must be maintained between the sno

21CDVX Series Direct Vent Gas Fireplace20012253CFM100 Firestop-Vertical09/20/0011"11"JoistJoistFirestop SpacerNails (4)Upper FloorAttic Insu

22CDVX Series Direct Vent Gas Fireplace20012253How to Use the Vent GraphThe vent chart should be read in conjunction with the following vent installat

23CDVX Series Direct Vent Gas Fireplace20012253Since it is very important that the vent-ing system maintain its balance between the combustion air int

24CDVX Series Direct Vent Gas Fireplace200122531234Example: Elbow 1 = 90° Elbow 2 = 45° Elbow 3 = 45° Elbow 4 = 90° Total angular varia

25CDVX Series Direct Vent Gas Fireplace20012253FP1242Fig. 51 Through the wall.FP1243Fig. 52 Apply high temperature sealant to collars or termina-tio

26CDVX Series Direct Vent Gas Fireplace20012253BG402aTop VentBelow grade installation1/26/00 djtFirestop7” Pipe7TDVSNORK (Snorkel)4” (102mm) Clearan

27CDVX Series Direct Vent Gas Fireplace200122531234Max. 8' (2.4m)FP1245through the roof90 & 45 degree 12/021 + 2 + 3 + 4 = 270°FP1245Fig. 56

28CDVX Series Direct Vent Gas Fireplace20012253 Venting Components584GVenting ComponentsFirestop spacer2/25/99 djt584HVenting componentsattic insula

29CDVX Series Direct Vent Gas Fireplace20012253Only glass approved by MHSC should be used on this fireplace. The top louvre panel is removed by liftin

3CDVX Series Direct Vent Gas Fireplace20012253This gas appliance should be installed by a qualified installer, preferably NFI or WETT (Canada) certifi

30CDVX Series Direct Vent Gas Fireplace20012253,'#$68LOGSLogsThe 36CDVX logs are shipped in place. If a log is broken, refer to the repla

31CDVX Series Direct Vent Gas Fireplace200122533. Open control access panel.4. Push in gas control knob slightly and turn clock-wise to “OFF”. Do

32CDVX Series Direct Vent Gas Fireplace20012253Lighting and Operating Instructions For Fireplaces equipped with SIT822 Gas Valve (EN or EP)A.

33CDVX Series Direct Vent Gas Fireplace20012253WARNING: BEFORE DOING ANY GAS CONTROL SERVICE WORK, REMOVE GLASS FRONT. SYMPTOM POSSIBLE CAUSES

34CDVX Series Direct Vent Gas Fireplace20012253The conversion of this appliance from one gas to another must be carried out by an authorized service p

35CDVX Series Direct Vent Gas Fireplace20012253Fig. 74 Nova SIT820 Gas Valve.DEFFC108SITregulatorconversion10/03OFFPILOTOFC107SIT820valve conversion1

36CDVX Series Direct Vent Gas Fireplace20012253Burner and Burner CompartmentIt is important to keep the burner and the burner compartment clean. At le

37CDVX Series Direct Vent Gas Fireplace20012253MHSC reserves the right to make changes in design, materials, specifications, prices and discontinue co

38CDVX Series Direct Vent Gas Fireplace20012253CDVX (continued) 15. Flexible Gas Line w/ON/Off Shut-Off Valve 20002500 16. Fan Assy (FK12 Optio

39CDVX Series Direct Vent Gas Fireplace20012253FK12This auxiliary fan system increases the efficiency of the circulation of the heating air. The FK12

4CDVX Series Direct Vent Gas Fireplace20012253Requirements for the Commonwealth of MassachusettsAll gas fitting and installation of this heater shall

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41CDVX Series Direct Vent Gas Fireplace20012253

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43CDVX Series Direct Vent Gas Fireplace20012253Lifetime WarrantyThe following components are warranted for life to the original owner, subject to proo

Efficiency Ratings Model EnerGuide Ratings Steady State (%) D.O.E. Fireplace Efficiency (%) Fan-OFF Fan-ON (AFUE%) 36CDVXRRN 66.9 76 76

5CDVX Series Direct Vent Gas Fireplace2001225376”(187 mm)166”(422 mm)3656M” (921 mm) Minimum Rough Opening WidthMinimumRoughOpeningHeightMinimumRo

6CDVX Series Direct Vent Gas Fireplace2001225376” (187 mm)166”(422 mm)3656M” (921 mm) Minimum Rough Opening WidthMinimumRoughOpeningHeightMinimumR

7CDVX Series Direct Vent Gas Fireplace20012253Top of Unit to Ceiling ... 36” (914 mm)Front of Unit to Combustibles ...

8CDVX Series Direct Vent Gas Fireplace20012253A hearth is not mandatory but is recommended for aesthetic purposes. We recommend a noncombustible hea

9CDVX Series Direct Vent Gas Fireplace20012253Gas Specifications Max. Min. Input Input Model Fuel Gas Control BTU/h BTU/h 36CD