Installation
900683-01F, 10/2018
Innovative Hearth Products
DRT3500 Series Direct-Vent Gas Fireplaces
17
INSTALLATION SEQUENCE
The typical sequence of installation is outlined below; however, each installation is unique and may result in
variations to the steps described.
See the pages referenced in the following steps for detailed instructions.
Framing
1. Construct the Fireplace Framing (Page 17).
2. Prepare the Fireplace Top Spacers (Page 19).
3. Route the Gas Supply Line to the Fireplace (Page 19).
4. Determine Venting in Combination Venting Fireplaces (Page 20).
5. Install Non-Combustible Front Fireboard Standoff (Page 20)
6. Rough in the Electrical Supply, if Needed (Page 21).
7. Place the Fireplace in the Framing and Secure (Page 21).
Venting
8. Select a Horizontal or Vertical Vent System (Page 21).
9. Install the Vent Restrictor (if necessary) (Page 22).
10. Connecting the Vent Pipe (Page 23).
11. Install the Vent System (Page 25).
Electrical Connection
12. Complete the Field Wiring (Page 37).
Gas Connection
13. Connect the Gas Line (Page 39).
14. Verify Proper Fireplace Operation (Page 40).
Remote Control
15. Initialize the Remote Control System for the First Time (Page 41)
Finishing
16. Optional: Install the Firebox Liners (Page 43).
17. Traditional Fireplaces: Install the Logs, Volcanic Stone, and Glowing Embers (Page 43).
18. Contemporary Fireplaces: Install Glass Media (Page 43)
19. Install the Glass Door (Page 43).
20. Adjust the Air Shutter to Ensure Proper Flame Appearance (Page 43).
21. Install the Hood (Page 45).
22. Reinstall the Included Barrier (Page 45).
23. Install the Finishing Materials (Page 45).
24. Attach the Safety-in-Operation Warning Labels (Page 45).
1.
Construct the Fireplace Framing
1. Frame the fireplace as illustrated in Table 10, Page 18. For corner framing installations, use Table 11, Page 18.
All framing details must allow for a minimum clearance to combustible framing members as shown in Table 8.
2. If the fireplace is to be elevated above floor level, a solid continuous platform must be constructed below the fireplace.
NOTE: Headers may be in direct contact with the fireplace top standoff spacers when they are bent up vertically,
maintaining the 4” clearance to the fireplace top, but must not be supported by them or notched to fit around them.
All construction above the fireplace must be self-supporting. DO NOT use the fireplace for structural support.
