Table Of Contents - Hearth & Home MDV3732 Installation Manual

Safety Alert Key:
• DANGER! Indicates a hazardous situation which, if not avoided will result in death or serious injury.
• WARNING! Indicates a hazardous situation which, if not avoided could result in death or serious injury.
• CAUTION! Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
• NOTICE: Used to address practices not related to personal injury.
Installation Standard Work Checklist . . . . . . . . . . . . . . . . . . . . 3
1 Product Specifi c and Important Safety Information
A. Appliance Certifi cation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
B. Glass Specifi cations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
C. BTU Specifi cations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
D. High Altitude Installations . . . . . . . . . . . . . . . . . . . . . . . . . . 4
E. Non-Combustible Materials Specifi cation. . . . . . . . . . . . . . 4
F. Combustible Materials Specifi cation . . . . . . . . . . . . . . . . . 4
G. Electrical Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
H. Requirements for the Commonwealth of Massachusetts . . 5
2 Getting Started
A. Design and Installation Considerations . . . . . . . . . . . . . . . 6
B. Tools and Supplies Needed . . . . . . . . . . . . . . . . . . . . . . . . 6
C. Inspect Appliance and Components . . . . . . . . . . . . . . . . . . 6
3 Framing and Clearances
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A. Appliance/Decorative Front Dimension Diagrams . . . . . . . 7
B. Clearances to Combustibles . . . . . . . . . . . . . . . . . . . . . . . 9
C. Constructing the Appliance Chase . . . . . . . . . . . . . . . . . . 10
4 Termination Location and Vent Information
A. Vent Termination Minimum Clearances . . . . . . . . . . . . . . 11
B. Chimney Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
C. Approved Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
D. Use of Elbows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
E. Measuring Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
F. Use of Flex Vent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
G. Vent Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5 Vent Clearances and Framing
A. Pipe Clearances to Combustibles . . . . . . . . . . . . . . . . . . 28
B. Wall Penetration Framing/Firestops . . . . . . . . . . . . . . . . . 28
C. Ceiling Firestop/Floor Penetration Framing . . . . . . . . . . . 29
D. Install Attic Insulation Shield . . . . . . . . . . . . . . . . . . . . . . . 29
6 Appliance Preparation
A. Vent Collar Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . 30
B. Securing and Leveling the Appliance . . . . . . . . . . . . . . . . 32
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Table of Contents

Heatilator • MDV3732 Installation Manual • 2386-980 Rev. D • 11/16
7 Venting and Chimneys
A. Assemble Vent Sections . . . . . . . . . . . . . . . . . . . . . . . . . 33
B. Assemble Slip Sections . . . . . . . . . . . . . . . . . . . . . . . . . . 34
C. Secure the Vent Sections . . . . . . . . . . . . . . . . . . . . . . . . . 35
D. Disassemble Vent Sections . . . . . . . . . . . . . . . . . . . . . . . 35
E. Vertical Termination Requirements . . . . . . . . . . . . . . . . . . 36
F. Horizontal Termination Requirements . . . . . . . . . . . . . . . 37
8 Electrical Information
A. General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
B. Wiring Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
C. SMART-STAT-II Remote Control . . . . . . . . . . . . . . . . . . . 42
D. Fan Wiring and Operation . . . . . . . . . . . . . . . . . . . . . . . . 48
9 Gas Information
A. Fuel Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
B. Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
C. Gas Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
D. High Altitude Installations . . . . . . . . . . . . . . . . . . . . . . . . . 49
E. Air Shutter Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
10 Finishing
A. Facing Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
B. Mantel and Wall Projections . . . . . . . . . . . . . . . . . . . . . . . 52
C. Decorative Front Dimensions for Finishing . . . . . . . . . . . 53
D. Elevated Hearth Systems . . . . . . . . . . . . . . . . . . . . . . . . . 54
11 Appliance Setup
A. Fixed Glass Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
B. Remove the Shipping Materials . . . . . . . . . . . . . . . . . . . 55
C. Clean the Appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
D. Install the Log Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . 56
E. Ember and Lava Rock Placement . . . . . . . . . . . . . . . . . . 58
F. Install Decorative Front/Hood . . . . . . . . . . . . . . . . . . . . . . 59
12 Reference Materials
A. Vent Components Diagrams . . . . . . . . . . . . . . . . . . . . . . 60
B. Remote Control, Wall Controls and Wall Switches . . . . . . 70
 = Contains updated information.