![True North TN40 INSERT Installation And Operating Instruction Download Page 23](http://html.mh-extra.com/html/true-north/tn40-insert/tn40-insert_installation-and-operating-instruction_1175503023.webp)
The stove's damper will need to be set after installation, during the intial burn in. This will optimize the
stoves performance and reduce emissions based on the installation. This should be done with a low pres-
sure digital vacuum gauge or magnehelic.
Install the gauge using a sealed 1/8" metal probe into the port located below the ash lip.
Remove the surround panel and left side panel. Find the draft slider damper, located against the back of
the Air Jacket. loosen the locking screw with a T20 screwdriver.
After the unit has been running on high for 15-20 min. adjust the damper slider to achieve a reading of
0.11-0.12in.w.c. To increase the draft, pull the damper slider out toward the outside of the stove
Tighten the locking screw and reinstall the left side shield and surround panel set as per instructions.
Setting the damper
Installer Information
23
5055.538-A_080317-28
TN40 INS
Figure 15: TRNO20 SURROUND ASSEMBLY.AI
Leveling Legs
The leveling legs provided can be used to stabilize the front or back of the unit on uneven or dropped
surfaces. Thread the legs in from underneath the unit and adjust as needed when the unit is installed.
•
Install the bolts into the threaded inserts provided as needed.
Part B
Part C
Part A
D
D
Surround Assembly and Installation
Un-package the top panel and lay parts A, B and C
face down on a flat, non-marring surface. Fasten
together with 1/4” x 1/2” bolts and nuts provided
through holes at points “D” (Fig. #17).
Lift the surround assembly to the upright position
and make sure the front face is flat and even at the
joints.
Move the assembled surround around the stove.
Lower the surround carefully to avoid scratching the
paint. Attach the ribbon cable to the Main circuit
board.
1. Locate and engage the panels hooks into the slots
located on the surround brackets. Push down to
lock.
2. Push the entire appliance back until the surround
assembly is in contact with the fireplace structure.