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Screw
Figure 6
1b.
Internal Wire Compartment: If the motor is already installed in the housing, using a
7/16" socket, remove the two hex nuts holding the blower assembly in place. Lift up on
the assembly and slide it out of the tabs on the housing (Figure 7). Remove the wire
compartment cover screw and place the cover in a secure place (Figure 8).
Plug
Hex Nuts
Figure 7
NOTE: If the fan motor plug is connected to the fan housing receptacle, unplug so the blower
assembly can be completely removed.
Screw
Figure 8
NOTE: Wire compartment configuration will be dependent on model.
Standard Models
2a.
Run wiring from an approved wall switch carrying the appropriate rating. One neutral
(white), one ground (green or bare copper), and one hot (black lead connected to the switch).
Secure the electrical wires to the housing with an approved electrical connector. Make sure
you leave enough wiring in the box to make the connection to the fan's receptacle.
2b.
From where you have chosen to access the fan's junction box, connect the White wire
from the house to the White wire from the fan's receptacle. Connect the Black wire from
the wall switch to the Black wire from the fan's receptacle. Connect the ground wire
from the house to the Green wire from the fan's receptacle (Figure 9). Use approved
methods for all connections.
Supply from
house
Ground
Figure 9
Humidity Sensing Models
3a.
For proper operation the humidity sensing fan will require a 3 way switch (not included).
Run wiring between the fan and the switch location. Make sure you leave enough wiring
in each box to make the connections. At the switch box connect the Black wire from
the house to the common terminal of the switch. Connect the black wire from the fan to
6728081 Rev. B 6-15
Wire
Compartment
Cover
Tab
Wire Compartment
Cover
White
Hot (Black)
www.airkinglimited.com
one of the switched terminals on the switch. This position will energize the automatic
mode and the fan will energize upon a rise in humidity. Connect the Red wire from the
fan to the other switched terminal on the switch. This position will activate the Manual
On feature and energize the fan. Properly connect the ground and neutral (if applicable)
mount the switch and the cover.
3b.
From where you have chosen to access the fan's junction box, connect the white wire
from the house to the white wire from the fan. Connect the wire from the automatic
position on the wall switch to the black wire from the fan, connect the wire from the
manual On position on the switch to the red wire from the fan. Connect the ground
wire from the house to the green wire from the fan housing (Figure 10). Use approved
methods for all connections.
Supply from house
Ground
Figure 10
NOTE: The fan's receptacle wires might need to be pulled outside compartment for connection.
Only pull the three loose wires outside of compartment. Additional wires will be present.
4.
Carefully tuck wire back inside wire compartment and replace wire compartment cover
securing with the screw that was removed earlier.
SECTION 6
Completing the Installation
1.
Use a sealant appropriate for contact with the building materials present and for the
temperature requirements of the installation to prevent air leakage from unconditioned
spaces is recommended. If gaps between unit housing and ceiling are great, additional
material (backing rod, ceiling material) may be required.
NOTE: This fan is rated for direct insulation contact (Type IC) and it is recommended that this fan
be completely covered by insulation in order to reduce heat loss or gain to unconditioned space.
2.
If the fan's blower assembly was removed during the wiring process, reinstall the
blower by reversing the directions in Section 5 (Wiring), Step 1b.
3a.
AKLS MODELS: Plug the fan's quick connect motor cord into the receptacle. This cord
will only fit one way into the receptacle (Figure 11).
Figure 11
3b.
AKLS6 MODELS: Plug the fan's 5 pin quick connect motor cord into the included
harness. Plug the 3 pin quick connect harness cord into the receptacle located on top of
the wire compartment. These cords will only fit one way into the receptacles (Figure 12).
Figure 12
White
Hot (Black)
Red
3 of 12
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