Page 1
DaVinci Heat Exchanger
Touch-Screen Version
Compatibility Notes
This kit must be installed in conjunction with a DaVinci pre-configured for heat-exchanger use.
NOTE: Does not work for island or bay configurations or any unit with 58’ tall glass.
Packing List
Blower Assembly with Strain Relief
Blower Grill
Heat Exchanger Lead (2 wire molex)
(4) Hose Clamps and (4) Lock-Ties
Register Boot (4” Dia. to 2.25” x 10”) (102mm Dia. to 58mm x 254mm)
Output Register (2.25” x 10”) (58mm x 254mm)
25’ (7.5M) 4” (102mm) Diameter Insulated Duct (U.L. 181)
Category 2 Heat Exchanger Location
For category 2 fireplaces, the heat exchanger is always located on the primary module (near the
exhaust).
Heat Exchanger Length (Inside Fireplace)
Category 1:
3 Burner = 3’ Heat Exchanger (1M)
4 Burner = 4’ Heat Exchanger (1.25M)
5 Burner = 5’ Heat Exchanger (1.5M)
Category 2:
6 Burner = 5’ Heat Exchanger (1.5M)
7 Burner* = 4’ Heat Exchanger (1.25M) (4 burner + 3 burner modules)
* For 7 burner units that are shipped pre-assembled, the heat exchanger will need to be installed.
Follow the instructions on the last page of this document for installation instructions.
8 Burner = 4’ Heat Exchanger (1.25M) (two (2) 4 burner modules)
9 Burner = 5’ Heat Exchanger (1.5M) (5 burner + 4 burner modules)
10 Burner = 5’ Heat Exchanger (1.5M) (two (2) 5 burner modules)
Additional Options
Remote Intake Grill, SKU # 94400131 (allows for intake box to be concealed & air to be drawn from a
register)
Installation Warnings
Warning: This kit must be installed as specified in these instructions. Do not modify any component.
Warning: Use of any external blower other than the Travis Power Heat Duct Blower will void the warranty
and listing of this appliance and may create a fire hazard.
Warning: Disconnect power to the fireplace (turn the service breaker off) before conducting the installation.
Enable power to the fireplace only after the installation is verified.
Note: This kit must be installed by a qualified service technician.
Note: Some building codes may require the use of firestop spacers whenever the duct passes from
room to room.
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DaVinci Heat Exchanger
Touch-Screen Version
Installation Overview
The overview below details installation concerns for the type of heater being used. Install
the heat duct prior to installing drywall. The homeowner must turn the blower on and off
manually. The blower will remain on until the fireplace is turned off.
MIN. 1" CLEARANCE REQUIRED TO HEAT EXCHANGER BOX
This clearance is to top, sides, and bottom of the box. The duct has a 0" clearance.
Heat Exchanger Inlets
- orientation does not matter
- may be re-routed to the top
4" Diameter Duct (insulated - 0" clearance)
- maximum 50' (15M) combined length
Power for Blower
- Power for the blower comes from the
fireplace and is controlled by the touch
screen.
- A 120v power line is routed to the
fireplace (not supplied - use romex, etc.).
Blower Box
- raise 1.5" minimum if placing near floor
- must not be placed on its side
- must draw air from inside the
household/structure (do not pull from
an exterior location).
- includes grill and optional filter
Heat Outlet Boot and Register
- register has direction vane
- make sure register is not shut off
(knurled knob to the side of louvers)
- should be raised above flooring material
to allow register installation.
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DaVinci Heat Exchanger
Touch-Screen Version
Fireplace Heat Exchanger Location
9.5"
242mm
15"
381mm
MIN. 1" (25mm) CLEARANCE REQUIRED
TO HEAT EXCHANGER BOX
This clearance is to top, sides, and bottom
of the box. The duct has a 0" clearance.
4.75"
121mm
5.75"
147mm
One or both inlets may
be re-routed to the top
of the heat exchanger.
3.25"
83mm
5"*
127mm
* Inlets are centered on the fireplace.
Clearances
Minimum 1” (25mm) clearance required to the heat exchanger box. This clearance is to the top,
sides, and bottom of the box (see illustration above).
The duct (and its connection to the heat exchanger box) has a 0” clearance.
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DaVinci Heat Exchanger
Touch-Screen Version
Re-Routing the Heat Exchanger Inlet(s) Upwards
The inlets are shipped in the downward positon. One or both inlets may be re-routed upwards.
Remove the 4 screws holding the cover plate and gasket in place.
Remove the corresponding inlet and gasket and re-connect with the 4 screws in the desired position.
Re-connect the cover plate and gasket with the 4 screws in the desired position.
NOTE: Cover plate and inlet are positioned with the notches to the side (they will not install if rotated 90°).
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DaVinci Heat Exchanger
Touch-Screen Version
Duct Installation
Maximum Duct Length
Maximum duct length is 50’ (15M) (inlet and outlet combined length).
Duct Routing
Duct has a 0” clearance to combustibles.
Do not route duct next to any surfaces that reach 170° F. (76° C.) or greater (must maintain a
minimum 1” (25mm) clearance to the fireplace B-Vent exhaust).
Do not route duct in external areas or areas subject to severe cold or heat.
Duct inlet and outlet must be placed within the household/structure. Do not pull air from outside
the household/structure.
Included duct is listed to U.L. 181. If using alternative duct, make sure it complies with U.L. 181.
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DaVinci Heat Exchanger
Touch-Screen Version
Duct Installation
Attach insulated duct to the connections using the included hose clamps for the inner liner and
lock-ties for the outer layer.
The flexible duct must be supported every 24” (610mm) to 36” (915mm) on horizontal sections.
Use framing/plywood or plumbing straps to support the duct. Take care to prevent damage to
the duct.
WARNING: Do not over-tighten the hose clamps and/or lock-ties. When securing the inner layer,
take care to prevent tearing of the material.
5/16" Nutdriver
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DaVinci Heat Exchanger
Touch-Screen Version
Blower Box Placement
The blower box has a removable grill that allows access to the blower. The blower box must be
placed so it may be accessed at a later time.
The blower box may be placed upright (power inlet on the top) or with the grill facing upwards or
downwards. Do not place the blower box on its side (power inlet on the side with the grill on
its side).
11.375"
289mm
13"
331mm
11.5"
293mm
13"
331mm
NOTE: Do not place the blower
on its side (this places the
blower axle vertically, leading to
premature blower failure).
15"
381mm
The intake grill is primed
and ready to paint.
NOTE: If placing the blower near the floor, make sure to
raise it a min. 1.5" (39mm) to allow the grill to install (it
extends 1.5" 39mm below the base of the blower).
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DaVinci Heat Exchanger
Touch-Screen Version
Wiring Instructions
WARNING: All wiring should be done by a qualified electrician and shall be in compliance with
local codes and with the current National Electric Code ANSI/NFPA 70 (in the U.S.), or
with the current CSC22.1 Canadian Electric Code (in Canada).
Wiring Diagram
Fireplace Junction Box
Black
White
Green
White
Black
Blower Box Wiring
Black
White
Green
Green
White
Black
Romex Clamps
Black
White
Green
POWER
IN
Blower Assembly
Insert the power line through the romex
clamp on top of the blower box. After the
wires are connected, secure the electrical
line by tightening the clamp.
Blower Electrical Inputs (& ground)
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DaVinci Heat Exchanger
Touch-Screen Version
Wiring on the Fireplace Junction Box
See manual for details on accessing the junction box.
Route the power from the heat exchanger blower to the connector on the fireplace as shown below.
NOTE: The ground wire from the blower should be connected to the ground wire from the power in.
Attach the ground wire from the blower to
Optional Heat
the ground wires on the power in.
Exchanger Connection
Romex Clamp
1/4" Nutdriver
Power Vent
High Voltage (120vac)
Cover Plate
Operating Instructions
Allow the fireplace to reach normal operating temperature. Then use the wall-mounted rheostat
to operate the blower speed. Turn the blower off when the fireplace is not in operation.
Maintenance Instructions
Once a year the grill should be removed and the blower area cleaned. Use a vacuum to clean
around the squirrel-cage blower, being careful not to damage any of the blades.
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DaVinci Heat Exchanger
Touch-Screen Version
Heat Exchanger Installation on 7 Burner Units
For 7 burner units that are shipped pre-assembled, the heat exchanger will need to be installed. Follow the
instructions below for installation.
1. Use a 5/16” nut driver to remove the (10) screws indicated below (set aside for reinstallation). Only
remove the screws indicated with the black circles.
Do not remove
these screws
2. Slide the heat exchanger into place
3. Push the gasketed surface of the heat exchanger up tight to the body of the fireplace and secure using
the (10) screws removed in step 1.
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