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INSTALLATION: WIRING & CONTROLS

The fi nal step in this fan’s installation is to install its controls. The VentCool 1.8 unit can be equipped with two
different control packages: 1st generation or 2nd generation. Either control package works the same with
controlling the operation of the fan.  The standard control package included with this fan contains: the control box, 
1 wall switch, 1 mounting bracket for the wall switch, and 50 ft. of red CAT5 cable.

First, locate the control box. The control box is an 12.375” x 5.5” x 2.0” galvanized steel electrical box. It is connected 
to the fan assembly and has a series of RJ45 ports on one side. These ports are labeled with the following label (refer 
to Figures 12A or 12B, depending if unit is equipped with either 1st or 2nd Generation control package):

The green FAN, white WEB and yellow AUX ports are not used by this fan.

Connect the red CAT5 cable to the red W/S 

W/S port located on the electrical control box on the \fan

housing.  Then, run the cable through the attic and down the wall to the desired location for the wall switch

d down the wall to the desired location for the wall switch

(Refer to Figure 13A or 13B for additional wall switch nomenclature).  Note: This cable is low-voltage but unshielded. 

(Refer to Figure 13A or 13B for additional wall switch nomenclature).  Note: This cable is low-voltage but unshielded. 
Building Codes require unshielded low-voltage wiring to be run through shielded conduit. Do not run cable in

Building Codes require unshielded low-voltage wiring to be run through shielded conduit. Do not run cable in
parallel with 110V or greater wiring.

parallel with 110V or greater wiring.

Connect the included wall switch  to  the  fan’s  control  box  regardless  of  whether  or  not  it  will  be

h to the fan’s control box regardless of whether or not it will be

installed in a wall. 

installed in a wall. 

Because an accessible wall switch is necessary for providing technical support, this

Because an accessible wall switch is necessary for providing technical support, this

switch MUST be installed. 

switch MUST be installed. FAILURE TO INSTALL THE WALL SWITCH WILL VOID THIS FAN’S WARRANTY!

FAILURE TO INSTALL THE WALL SWITCH WILL VOID THIS FAN’S WARRANTY!

If it is not desired to be installed in a wall, connect the switch to the control box’s red W/S port and leave it stored in 
the attic with the cable kept spooled.

FIGURE 12A:  Electrical Control Box Port Labeling - 1st Generation Control Package 

FIGURE 13A:

1st Generation Wall Switch

FIGURE 13B:

2nd Generation Wall Switch

INCREASE TIMER

FAN OFF

START FAN

BUTTON DOES 

NOTHING

FIGURE 12B:  Electrical Control Box Port Labeling - 2nd Generation Control Package 

WALL SWITCH INSTALLATION: 

(Refer to Figure 12A or 12B for Electrical Control Box Port

Labeling)

P/N 78010007000  05/17 Rev B

Summary of Contents for VentCool 1.8

Page 1: ...1 8 WHOLE HOUSE FAN ITEMS INCLUDED GENERATION 1 2 Fan assembly with electrical control box Chain 25 ft Duct tape 30 ft 7 ft of acoustic flex duct 16 diameter Backdraft Damper Backdraft Damper Transit...

Page 2: ...ared to install the Whole House Fan system In particular Thehomeowner residentshouldreadtheWHERETOLOCATEsectionsothatthefanwillbecorrectlylocatedto maximize its effectiveness and efficiency The VENTIL...

Page 3: ...ity supply We strongly recommend providing a dedicated circuit for this fan providing a dedicated circuit for this fan This unit is provided with a single speed controller and a minimum 10 ft power co...

Page 4: ...in their products specification documents Ifthisinformationisunavailable aratioof50 netfreeareatototalareaisusuallyagoodruleofthumb A notable exception to this rule of thumb are ridge vents The indust...

Page 5: ...w space or over hard flooring as sound reflecting off of hard surfaces can amplify its percieved noise Even though this fan is extremely quiet we specifically recommend against installing it in a bedr...

Page 6: ...hrough the opening created in the previous step and into the attic opening created in the previous step and into the attic These items have been designed to fit through this These items have been desi...

Page 7: ...e installed with the Y axis at a slight angle However this angle must NOT exceed 45 as shown in Figure 6C The X axis must NEVER be installed at any angle as The X axis must NEVER be installed at any a...

Page 8: ...adhere to the following guid lines Do not hang the fan using fewer than 4 lengths of chains or eye bolts all four attachment points are necessary to sup port the fan s weight and to eliminate any swa...

Page 9: ...secure use pliers to close all of the S hooks to ensure stability and tape down all unused D rings to avoid excess rattling Lastly use the provided foil tape to seal the joints between the fan assembl...

Page 10: ...menclature Note Thiscableislow voltagebutunshielded Building Codes require unshielded low voltage wiring to be run through shielded conduit Do not run cable in Building Codes require unshielded low vo...

Page 11: ...able breaker on the electrical control box on fan assembly has not tripped POWER CONNECTION FIGURE 14 Wall Mounting Bracket Using the provided wall mounting bracket Figure 14 as a template trace an ou...

Page 12: ...e fan will turn off and the damper flaps will fall closed When starting this fan for the first time make sure to observe it turning on running and turning off from both the attic to see the fan itself...

Page 13: ...indows to your fan s opening Generally the longer the path the more cooling IMPORTANT OPERATING TIPS A wireless remote is an available accessory for this fan It is not included as part of the VentCool...

Page 14: ...embly and backdraft damper are kept clean of any possible build up of debris Blocking this fan s exhaust can cause it to fail prematurely Keep the area in front of the fan as unobstructed as possible...

Page 15: ...page 15 of 16 Figure 18 Spare Parts P N 78010007000 05 17 Rev B...

Page 16: ...y information about this or any Field Controls product visit For warranty information about this or any Field Controls product visit www fieldcontrols com ventCool www fieldcontrols com ventCool Field...

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