Heat-Zone-240V Air Duct Kit
INSTALLATION AND
OPERATION INSTRUCTIONS
Hearth Technologies, Inc.
7571 215th Street West
Lakeville, MN 55044 USA
Approvals
Preliminary Preparation
The HEAT-ZONE-240V air duct kit is approved for use on
Heat & Glo Models XLR-AU, 6000, 350 and 550 series
gas heaters.
1. Contents of kit:
• 6 meters of 152 mm round duct
• Fan housing assembly
• Junction box
Introduction
The HEAT-ZONE-240V accessory kit conveys warm air
from the heater through air duct(s) to remote locations
in the same room or other rooms of the building. See
Figures 1 and 2. One or two HEAT-ZONE-240V kits can
be installed on the heater.
• Air register
• Register adapter frame
• Heater duct collar
• Duct adapter - (round to oval)
• Hardware
• 2166-191 IPI Plus auxiliary jumper
NOTICE! If any parts are missing or damaged, contact your
dealer before starting installation. DO NOT install a damaged kit.
Possible Air Duct Runs/Locations
CEILING REGISTER
WALL REGISTER
TWO DUCT KITS
FLOOR REGISTER
WALL REGISTER
WALL REGISTER
Figure 1
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3. Determine the location for the air register/fan housing as-
sembly. Cut a 127 x 346 mm hole between framing
members (wall studs or floor joists).
4. Mount and secure the fan housing assembly to framing
members so the front surface is 6 mm below the fin-
ished wall or floor surface. Use the adjustable mounting
brackets and screws provided in the kit. See Figure 4.
NOTE: The brackets can be rotated 180º and mounted
to the back side of the 2 x 4 if necessary.
FAN HOUSING
FINISHED SURFACE
Figure 6
6 mm
ROUND AIR DUCT: Attach the 152 mm round air duct
(supplied in the kit) to the heater collar and run the duct to
the fan housing. Attach the round-to-oval adapter to the
fan housing and the air duct to the adapter. See Figure 6.
ADJUSTABLE
MOUNTING BRACKET
OVAL AIR DUCT: Attach the round-to-oval adapter to
the heater starting collar and a 152 mm oval duct to the
adapter. Complete the duct run and attach the oval duct
to the fan housing. NOTE: 152 mm metal oval air duct is
NOT provided with this kit but can be purchased from a
heating or air conditioning ventilation supplier.
FRONT OF FAN HOUSING
Figure 4
NOTE: If the fan housing is installed in a 2 x 4 wall, the
front of the housing will protrude approximately 13 mm out
of the wall. See Figure 5.
ROUND and OVAL DUCT:Acombination of 152 mm round
and 152 mm oval air duct can be used in the duct run. Oval
duct components must be purchased from a heating or air
conditioning ventilation supplier.
NOTE: Support duct at intervals of no greater than four
feet with no more than 1/2 in. sag between supports or as
required per local code. Secure the duct so that clearance
to the outer wrap of the fireplace is maintained.
2 x 4 WALL
FAN HOUSING
6. Install a wall switch in a convenient location. This switch
will control the HEAT-ZONE-240V fan operation. When
using the AUX300CE in the IPI Plus system, the AUX1
orAUX2 can control the output and ON/OFF function in
place of a separate wall switch. Note that the RC300
remote is needed.
7. Wire 240 VAC service TO the wall switch and FROM the
wall switch to the fan junction box. Use wire connectors to
secure the 240 VAC service wires to the hot and neutral
fan wires and screw the 240 VAC ground wire to the fan
junction box. See Figure 8 for isolated control wall switch.
See Figure 9 for IPI Plus with auxiliary control.
13 mm
Figure 5
8. Screw the fan junction box to the fan housing.
9. Screw the register adapter frame and the air register to
the fan housing. See Figure 7.
5. Install the air duct run. NOTE: Fold outer poly layer of
flexible duct back to maintain clearance to combustibles
on the fireplace. Secure liner to the collar with clamp.
10. Complete the heater installation per instructions.
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Operation
FAN HOUSING
1. Start the heater per instructions and allow it to warm
up.
2. Turn the wall switch "ON" to start air flow at the air duct
ADAPTER FRAME
register or use RC300 remote to turn on blower.
Maintenance
1. Service and maintain the gas heater per instructions.
2. Keep the air register(s) clean and free of any blockage.
3. Reference IPI Plus instructions with remote control for
fan auxiliary control.
1/2 in.
(13 mm)
REGISTER
Figure 7
Isolated ON/OFF control wall switch
STUD
FAN
SWITCH
JUNCTION BOX
FAN
JUNCTION BOX
BROWN
BLUE
BROWN HOT
BLUE NEUTRAL
YELLOW / GREEN
GROUND
GROUND
Figure 8
FAN
IPI Plus with auxiliary control
AUX1= 3 FAN SPEEDS
AUX2= ON/OFF CONTROL HIGH ONLY
APPLIANCE
JUNCTION BOX AND
CONNECTION WIRE SUPPLIED
BY INSTALLATION
JUNCTION BOX
BROWN
PROFESSIONAL
BROWN
BLUE
FAN
JUNCTION BOX
AUX1 AUX2
BLUE
GREEN/
YELLOW
BROWN
BLUE
GREEN/
YELLOW
BROWN
BLUE
BLACK
WHITE
2166-191 JUMPER
GREEN/YELLOW
Figure 9
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