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QuietCool STEALTH PRO-1.5X - User Manual

QuietCool STEALTH PRO-1.5X
20 pages
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DO NOT THROW AWAY!
SERIAL NUMBER FOR FAN IS LOCATED ON THE BACK COVER OF THE OWNER’S GUIDE.
LEAVE WITH HOMEOWNER
OWNER’S GUIDE
STEALTH PRO X WHOLE HOUSE FAN
!
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Summary

How to Use Your QuietCool

Introduction to QuietCool

Congratulates the user on their purchase and introduces the QuietCool fan.

QuietCool Fan Features

Lists the key features of the QuietCool system, including motor, design, and warranty.

When to Run the QuietCool Whole House Fan

Where to Start Cooling the Home

How QuietCool Works

Indoor Air Quality Improvement

Using QuietCool During the Winter

System Overview

Product Diagram and Components

Identifies and describes the components of the QuietCool whole house fan system.

System Venting Requirements

Getting Started: Important Pre-Installation Steps

General Safety Information

Details critical safety precautions and instructions for using the QuietCool system.

Warnings and Cautions

Highlights crucial warnings and cautions regarding the installation and use of the fan.

Template Sizes for Fan Models

Provides a table detailing template sizes for different QuietCool fan models.

Special Instructions for Installation

General Installation Guidelines

Covers initial steps like checking parts, cutting drywall, and wiring.

Contractor Specific Guidelines

Provides guidance for professional installers regarding the owner's manual and customer handover.

Do-It-Yourselfer Specific Guidelines

Offers advice for DIY installers, recommending videos and cautioning on skill requirements.

Included in the Box

Tools Required for Installation

Installation of the QuietCool System

Installing the Stealth Pro X WHF

Step-by-step guide for installing the QuietCool Stealth Pro Whole House Fan.

Installing the Damper Box and Ceiling Grille

Instructions for installing the damper box and ceiling grille after hanging the fan.

Installing the Vertical Adapter

Wiring and Controls

Single Speed Wiring for QC STL PRO-1.5 X

Wiring instructions for the single speed QuietCool Stealth Pro 1.5X model.

Two Speed Wiring for QC STL PRO-2.5 X & 3.3 X

Wiring instructions for the two-speed QuietCool Stealth Pro 2.5X and 3.3X models.

Three Speed Wiring for QC STL PRO-4.8 X, 5.5 X, 6.0 X, & 7.0 X

Wiring instructions for the three-speed QuietCool Stealth Pro 4.8X, 5.5X, 6.0X, 7.0X models.

System Operating Instructions

Operating Single Speed Controls (Timer Only)

Explains how to operate single speed QuietCool fans using the 8-hour timer.

Operating Two Speed Controls (Timer + HIGH-LOW-OFF Switch)

Details operation of two-speed fans using a timer and HIGH-LOW-OFF switch.

Operating Three Speed Controls (Timer + Double 3-Way Switch)

Explains operation of three-speed fans using a timer and double 3-way switch.

Whole House Fans Limited Warranty

QC Manufacturing Inc. Customer Service

Summary

How to Use Your QuietCool

Introduction to QuietCool

Congratulates the user on their purchase and introduces the QuietCool fan.

QuietCool Fan Features

Lists the key features of the QuietCool system, including motor, design, and warranty.

When to Run the QuietCool Whole House Fan

Where to Start Cooling the Home

How QuietCool Works

Indoor Air Quality Improvement

Using QuietCool During the Winter

System Overview

Product Diagram and Components

Identifies and describes the components of the QuietCool whole house fan system.

System Venting Requirements

Getting Started: Important Pre-Installation Steps

General Safety Information

Details critical safety precautions and instructions for using the QuietCool system.

Warnings and Cautions

Highlights crucial warnings and cautions regarding the installation and use of the fan.

Template Sizes for Fan Models

Provides a table detailing template sizes for different QuietCool fan models.

Special Instructions for Installation

General Installation Guidelines

Covers initial steps like checking parts, cutting drywall, and wiring.

Contractor Specific Guidelines

Provides guidance for professional installers regarding the owner's manual and customer handover.

Do-It-Yourselfer Specific Guidelines

Offers advice for DIY installers, recommending videos and cautioning on skill requirements.

Included in the Box

Tools Required for Installation

Installation of the QuietCool System

Installing the Stealth Pro X WHF

Step-by-step guide for installing the QuietCool Stealth Pro Whole House Fan.

Installing the Damper Box and Ceiling Grille

Instructions for installing the damper box and ceiling grille after hanging the fan.

Installing the Vertical Adapter

Wiring and Controls

Single Speed Wiring for QC STL PRO-1.5 X

Wiring instructions for the single speed QuietCool Stealth Pro 1.5X model.

Two Speed Wiring for QC STL PRO-2.5 X & 3.3 X

Wiring instructions for the two-speed QuietCool Stealth Pro 2.5X and 3.3X models.

Three Speed Wiring for QC STL PRO-4.8 X, 5.5 X, 6.0 X, & 7.0 X

Wiring instructions for the three-speed QuietCool Stealth Pro 4.8X, 5.5X, 6.0X, 7.0X models.

System Operating Instructions

Operating Single Speed Controls (Timer Only)

Explains how to operate single speed QuietCool fans using the 8-hour timer.

Operating Two Speed Controls (Timer + HIGH-LOW-OFF Switch)

Details operation of two-speed fans using a timer and HIGH-LOW-OFF switch.

Operating Three Speed Controls (Timer + Double 3-Way Switch)

Explains operation of three-speed fans using a timer and double 3-way switch.

Whole House Fans Limited Warranty

QC Manufacturing Inc. Customer Service

Overview

The QuietCool Stealth Pro X Whole House Fan is an advanced ventilation system designed to cool homes efficiently and quietly by drawing cool outside air into the living space, through the attic, and out through attic vents. This process creates a refreshing breeze and expels hot, stale air, significantly reducing air conditioning costs and improving indoor air quality.

Function Description:

The QuietCool system operates by creating a pressure differential that pulls cooler air from outside into your home. When the outdoor temperature is lower than the indoor temperature, typically in the late afternoon, evening, and early morning, the fan can be turned on. Users open a few windows in the areas they wish to cool, and the fan draws this fresh, cool air through the open windows, across the living space, and into the attic. From the attic, the hot, stale air is then pushed out through the existing attic vents. This continuous air exchange, performing 15-22 complete air exchanges per hour, not only cools the living space but also purges the hot air from the attic, which helps keep the entire house cooler during the hotter parts of the next day. This method can lead to substantial savings on A/C-related energy costs, potentially up to 90% depending on the climate.

The system is particularly effective at improving indoor air quality. Studies show that indoor air can be 2-5 times more polluted than outdoor air, even in urban areas. By constantly bringing in fresh outdoor air and exhausting stale indoor air, the QuietCool fan helps to reduce indoor pollutants, making the home healthier. Even during colder winter months, running the fan for a few minutes daily can help purge accumulated stale air and warm up the thermal mass of the home during the warmer parts of the day, reducing the workload on the heater.

Usage Features:

The QuietCool Stealth Pro X fan is designed for ease of use and quiet operation. Its patented design and acoustical ducting allow the fan motor to be suspended in the attic, isolating noise from the living space. This results in a significantly quieter operation compared to standard whole house fans, which can be as loud as a vacuum cleaner.

The fan is controlled via wall-mounted switches and timers, offering various operating modes:

  • Single Speed Controls (Timer Only): This setup uses an 8-hour countdown timer. Users can cycle through preset timer options (1, 2, 4, or 8 hours) by clicking a button. The fan turns off after the selected time, or it can be set to "HOLD" for continuous operation. This control is suitable for single-speed fans or multi-speed fans operating at a single speed.
  • Two Speed Controls (Timer + HIGH-LOW-OFF Switch): For two-speed QuietCool fans, an 8-hour countdown timer is combined with a HIGH-LOW-OFF switch. The timer functions similarly to the single-speed control. The HIGH-LOW-OFF switch allows users to select between high speed, low speed, or turn the fan off, regardless of the timer setting.
  • Three Speed Controls (Timer + Double 3-Way Switch): Three-speed QuietCool fans utilize an 8-hour countdown timer and a Double 3-Way Switch. The timer operates as described above. The Double 3-Way Switch provides three speed options: Low, Medium, and High. The bottom switch controls Low speed (left position) and activates the top switch (right position). The top switch then controls Medium speed (left position) and High speed (right position).

To maximize cooling effectiveness, it is recommended to start by opening a few windows in the area where occupants will spend the most time. Turning on all QuietCool fans simultaneously will create an immediate breeze, making the home feel up to 10°F cooler. Opening too many windows or opening them too wide can lessen the cooling breeze. As the evening progresses and outdoor temperatures drop further, additional windows can be opened in other rooms, including bedrooms, to prepare for bedtime. For privacy, if a QuietCool fan is installed in each bedroom, doors can be closed while still enjoying a cool breeze. The timer allows for automated shutdown, ensuring comfort throughout the night without manual intervention.

Maintenance Features:

The QuietCool Stealth Pro X fan is built with durable components and a 15-year warranty on the motor fan assembly, indicating a design focused on longevity and minimal maintenance. The system includes R5 insulated dampers that prevent heat transfer between the attic and the living area, contributing to energy efficiency and reducing the need for frequent adjustments. The fan's design, with the motor housing suspended in the attic and connected to the ceiling grille via an acoustical duct, also helps protect the motor from attic insulation, ensuring consistent performance.

While specific routine maintenance steps are not extensively detailed in the provided manual, the robust construction and high-quality components, such as the Ultra-Energy Efficient ECM Motor and computer-balanced fan blades, suggest a system designed for reliable, long-term operation with minimal user intervention. The manual emphasizes proper installation, including ensuring adequate attic venting and secure mounting of the damper box, which are crucial for the system's efficient and trouble-free performance. In case of any operational issues, the manufacturer provides customer support and a warranty, requiring the serial number for claims. The fan's components are designed for easy installation, and the manual provides detailed wiring diagrams and installation steps, which, if followed correctly, contribute to the system's overall reliability and reduce the likelihood of maintenance issues.

QuietCool STEALTH PRO-1.5X Specifications

General IconGeneral
TypeWhole House Fan
Fan SpeedVariable
Motor TypeECM
Voltage120V
Speed SettingsVariable
Noise Level42.2 dBA

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