1. Introduction
The HEAPETS P339 Large Pet Air Purifier is designed to improve indoor air quality, especially in homes with pets. It features a 7-stage advanced air purification system capable of filtering pet dander, airborne fur, odors, dust, smoke particles, and common allergens. This manual provides essential information for the safe and efficient operation and maintenance of your air purifier.
2. Setup
2.1 Unboxing and Filter Installation
- Carefully remove the air purifier from its packaging.
- Locate the front panel of the unit. It is magnetically attached and can be easily removed.
- Open the front panel to access the filter compartment.
- Remove the main filter, which is typically wrapped in plastic for protection during shipping.
- Remove all plastic packaging from the filter.
- Insert the unwrapped filter back into the compartment, ensuring it is correctly seated.
- Reattach the front panel securely.

Image: Removing the air filter from the HEAPETS P339 air purifier for initial setup.

Image: Step-by-step diagram illustrating the removal and replacement of the pre-filter and main filter.
2.2 Power Connection
Connect the power cord to the air purifier and then plug it into a standard electrical outlet. Ensure the power cord is not damaged and is securely connected.
Video: Demonstrates the unboxing, filter installation, and initial power-on of the HEAPETS P339 air purifier.
3. Operating Instructions
3.1 Control Panel Overview
The control panel is located on the top of the unit and features touch-sensitive buttons and a digital display for various functions and settings.

Image: Detailed view of the HEAPETS P339 control panel, showing icons for speed, timer, sleep mode, sterilize, pet lock, anion, and power.
3.2 Basic Operation
- Power On/Off: Touch the power button (⏻) to turn the unit on or off.
- Fan Speed: Press the fan speed button (⏴) to cycle through 4 fan speed modes: Auto (P0), P1 (Low), P2 (Medium), P3 (High).
- Timer: Use the timer button (L) to set an operating duration from 1 to 12 hours.
- Sleep Mode: Activate sleep mode (☾) for quiet operation and dimmed indicator lights, ideal for nighttime use.
- Sterilize Function: Engage the sterilize function (⚙) which utilizes a UV light inside the unit.
- Pet Lock: Press and hold the pet lock button (3S) for 3 seconds to disable the control panel, preventing accidental changes by pets or children.
- Anion Function: Activate the anion function (⁕) to release negative ions into the air.
3.3 Smart WiFi Control
The HEAPETS P339 can be controlled via a smartphone app. Download the app by scanning the QR code in the instruction manual or searching for it in your app store. Follow the in-app instructions to pair your device. The app allows you to control all functions, monitor air quality, and set schedules remotely.

Image: The HEAPETS smartphone app interface showing air quality data and control options, with the air purifier in the background.
4. Key Features
4.1 Large Coverage Area
The P339 air purifier is designed for large spaces, with a CADR rating of 205 CFM (350 m³/h), capable of refreshing air in areas up to 4200 sq ft every 60 minutes. It is suitable for pet zones, bedrooms, homes, apartments, and open living areas.

Image: The HEAPETS P339 air purifier effectively purifying air in a spacious living room environment.
4.2 7-Stage Advanced Air Purification System
This system rapidly cleans indoor air through multiple layers:
- Pre-filter: Captures large particles like pet hair and dander.
- H12 HEPA Filter: Effectively filters out pet allergens, dust, and other fine particles.
- Activated Carbon Filter: Targets and neutralizes odors.
- Bio-enzyme Layer: Decomposes various odors.
- Anion Generator: Releases negative ions to help settle airborne particles.
- UV Light: Provides sterilization.
- Triple Metal Filter: Additional filtration for enhanced air purity.

Image: Visual representation of the multi-layered filtration process, from pre-filter to activated oxygen.
4.3 Pet Hair Absorption
The U-shaped air inlet and customized pre-filter cotton are designed for strong suction to quickly and firmly adsorb pet hair, dander, and other floating particles, preventing secondary pollution.

Image: The air purifier's U-shaped air inlet demonstrating strong suction to capture airborne pet hair.

Image: A pre-filter visibly covered with accumulated pet hair and dust, demonstrating its effectiveness.
Video: A short demonstration of the HEAPETS P339 air purifier's filter, showing collected pet hair and dust.
4.4 Odor Elimination
Pet formula activated carbon and bio-enzyme layers effectively decompose various odors, including pet odor, litter box odor, dog smell, cat smell, pet urine, vaping smell, and cooking smell.

Image: Infographic detailing the multi-component approach to neutralizing pet odors using bio-enzymes, activated carbon, and negative ions.
4.5 Quiet Operation
In sleep mode, the air purifier operates at a low noise level of 30 decibels, ensuring a quiet environment for rest. Indicator lights can also be turned off for light-sensitive individuals.

Image: The air purifier in sleep mode, emphasizing its quiet operation for an undisturbed night's sleep.
4.6 Air Quality Monitoring
The unit features a PM2.5 display and an air quality indicator that monitors air quality in real-time. The indicator light changes color (red for poor, blue for fair, green for good) to reflect current air purity levels.

Image: The air purifier's display showing PM2.5 readings and a color-coded light bar indicating air quality levels.
4.7 Pet Lock
The pet lock feature prevents pets or children from accidentally changing the settings on the control panel.

Image: The pet lock feature ensures settings remain unchanged even with active pets or children around the air purifier.
5. Maintenance
5.1 Filter Cleaning and Replacement
The HEAPETS P339 features a replaceable pre-filter that extends the life of the main filter. The pre-filter can be cleaned regularly to maintain optimal performance.
- Cleaning the Pre-filter: Remove the front panel and detach the pre-filter. Use a vacuum cleaner to remove accumulated pet hair and dust.
- Replacing the Pre-filter: If the pre-filter is worn or damaged, replace it with a new one. (Search for B0DSZTXBM9 Pre-filter).
- Replacing the Composite Filter: The main composite filter (HEPA + Activated Carbon) should be replaced every 3-6 months depending on usage and air quality. (Search for B0DPKG4KNR Composite Filter).

Image: Instructions for cleaning the reusable pre-filter with a vacuum cleaner.

Image: Instructions for replacing the pre-filter with a new one.
5.2 Cleaning the Air Quality Sensor
The air quality sensor should be cleaned monthly to ensure optimal performance. Clean the sensor port and surrounding area with a cotton swab.

Image: Visual guide for cleaning the air quality sensor using a cotton swab.
6. Specifications
- Model Number: P339
- Product Dimensions: 9.06"D x 15.39"W x 24.08"H
- Weight: 22.05 Pounds
- Noise Level: 30 Decibels (in sleep mode)
- Coverage Area: Up to 4200 sq ft (refreshes air every 60 minutes)
- CADR: 205 CFM (350 m³/h)
7. Certifications
The HEAPETS P339 Air Purifier is certified by multiple organizations, ensuring high standards of safety and performance:
- EPA Certified
- ETL Certified
- FCC Certified
- CE Certified
- Complies with CARB (California Air Resources Board)
- Complies with CA65 (California Proposition 65)

Image: Display of product certifications for the HEAPETS P339 air purifier.
8. Warranty and Support
Each HEAPETS air purifier comes with a 12-month warranty. No registration is required. For any concerns or issues, 7*24 hours customer service and lifetime technical support are available. Please feel free to contact us for assistance.

Image: HEAPETS customer service support, available 24/7 for any product inquiries or issues.


