Product Description
Supco E Series Super Boost Kit Part Number SPP9E.
Electronic Potential Relay/Start Capacitor Combination Hard Start Kit with Electronic Timing Circuit.
The Supco SPP9E is a premium hard start kit from the E Series, engineered to deliver maximum starting torque for demanding HVAC and refrigeration compressors. Featuring advanced Electronic Potential Relay (EPR) technology and a high-capacity start capacitor, this 2-wire kit is ideal for systems with long line sets, low voltage, or aging compressors that struggle to start.
Specifications:
- Range (HP): 3HP and up
- Capacitor (MFD): 233 to 280 MFD
- Operating Voltage: 170 to 277 VAC
- Capacitor Voltage: 330 VAC
Key Features
- Electronic Potential Relay (EPR) — Provides precise voltage sensing and faster, more reliable compressor starts
- High-Boost Start Capacitor — 233–280 MFD at 330V for powerful torque during startup
- Built-In Timing Circuit — Protects the compressor from rapid cycling and premature failure
- Instant Re-Start — Reduces downtime and improves system responsiveness
- Universal Fit — Compatible with PSC and CSIR-type compressors in residential and light commercial systems
- Easy 2-Wire Installation — Pre-wired for fast, no-hassle setup
- UL Recognized & NATE Certified — Meets rigorous safety and performance standards
- NATE Recognized Course #1867-0002
- UL Recognized File E146162
Ideal Applications
- Central air conditioners and heat pumps with hard-starting compressors
- Refrigeration systems with long refrigerant lines or low voltage conditions
- Units requiring enhanced torque for startup due to age or high ambient temperatures
Replaces
- Supco SPP6, SPP7, and other standard hard start kits
- OEM hard start kits for 1–5 HP compressors requiring electronic relay control
Installation Tips
- Disconnect power before installation
- Mount securely near the compressor terminal box
- Connect red lead to the run terminal and white lead to the start terminal
- Not for use with scroll compressors or systems requiring mechanical relays
