Solatube WHF3000 — Dimmer Module Facts
Documented from photos taken in the attic — June 12, 2026.
📸 Photo Gallery
Attic Installation

Solatube WHF3000 Product Label

PPA401S Dimmer Module

Whole House Fan (Solatube WHF3000)
| Field | Value |
|---|---|
| Brand | SOLATUBE |
| Product Type | Whole House Fan |
| Model | WHF3000 |
| Part No. | 540340 Rev A |
| Date of Mfg. | September 2020 |
| Address | 2210 Oak Ridge Way, Vista, CA 92081 |
| Website | www.solatube.com |
Compatibility (modular combos)
- WHF3000 + WHF1500 → converts to WHF4500
- WHF3000 + WHF3000 → converts to WHF6000
Dimmer Module (PPA401S)
| Field | Value |
|---|---|
| Type | 0-10V Wireless Dimming Module |
| Model | PPA401S |
| Version | V1.4 |
| Mfg. Date | 06-20 (likely June 2020) |
| Made In | China |
| FCC ID | 2AQ3JPPA401S |
| UL File No. | E504054 |
| UL Listing | UL US LISTED (US + Canada) |
Electrical Specs
- Input: 120-277V AC, 50/60Hz, Max 10A, 1200W
- Output: 120-277V AC, 50/60Hz, Max 10A, 1200W
- Input type: Branch circuit (mains)
- Output type: Branch circuit (mains)
- Environment: Dry and damp locations
- Tc MAX: 70°C | Ta MAX: 55°C
Wiring / Connections
| Terminal | Wire Color | Function |
|---|---|---|
| N | WH (White) | Neutral |
| L | BK (Black) | Line (hot in) |
| L’ | RD (Red) | Switched hot (load out) |
| 0-10V DIM + | Purple | 0-10V positive |
| 0-10V DIM - | Grey | 0-10V negative (common) |
Controls & Indicators
- PAIR/TEST button — for wireless pairing and testing
- Green LED — status/power/pairing indicator
- + / - buttons — labeled under “0-10V DIM”
Warnings
- Disconnect power before servicing.
- Install in accordance with national and local electrical codes.
- ⚠️ The control circuit is not isolated — see instructions. (The 0-10V dimming wires may carry hazardous voltages; not a safe low-voltage signal path.)
Installation Context
- Fan and module are installed in an attic/crawlspace (exposed rafters, fiberglass insulation).
- A black corrugated UL-listed cable feeds the module.
- A standard 120V duplex outlet on a rafter powers the unit via a plug.
- A flashlight was clipped to the unit to illuminate the label area for photography.
Related Research
The following pages contain research and cost analysis based on the facts above — these are separate since they involve online shopping research and some speculation:
- 📡 Compatible Remote Research — which remotes work with the PPA401S module
- 💰 Dimmer Module Replacement Cost — cost to replace just the dimmer module
- 🏠 Full Fan Replacement Cost — cost to replace the entire whole house fan
Open Questions
- What remote/controller is compatible with the PPA401S module?
- Is there a Solatube-branded remote specific to the WHF3000?
- Can any standard 0-10V wireless controller pair with this module?