Installation
900960-00C, 06/2019
Innovative Hearth Products
DRT3500-C 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.
Check local codes for more restrictive installation. The more restrictive installation for clearances must be used.
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 and header shield (
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 26
).
Electrical Connection
12. Complete the Field Wiring (
Page 38
).
Gas Connection
13. Connect the Gas Line (
Page 40
).
14. Verify Proper Fireplace Operation (
Page 42
).
Remote Control
15. Initialize the Remote Control System for the First Time (
Page 42
)
Finishing
16. Required Accessory (see
Page 68
for ordering information): Install the Firebox Liners (
Page 44
).
17. Install the Logs, and Glowing Embers (
Page 44
).
18. Install the Glass Door (
Page 44
).
19. Adjust the Air Shutter to Ensure Proper Flame Appearance (
Page 44
).
20. Install the Hood (
Page 45
).
21. Reinstall the Barrier and Close Access Door (
Page 46
).
22. Install the Finishing Materials (
Page 47
).
23. Attach the Safety-in-Operation Warning Labels (
Page 47
).
1.
Construct the Fireplace Framing
1. Frame the fireplace as illustrated in
Table 10
. For corner framing installations, use
Table 11
. 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,
and header shield installed, 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.
