Description

ProductDescriptionSupco Ultra 2 Wire Super Boost part number SPR5.Hard Start Kit Mechanical Potential Relay (MPR) and Start Capacitor, for use on 1 to 3 HP units.The Supco SPR5 Ultra Start Series Hard Start Kit is engineered to deliver a powerful jolt of starting torque to air conditioning and refrigeration compressors ranging from 1 to 3 horsepower. Featuring a mechanical potential relay (MPR) and a high-capacity start capacitor, this 2-wire kit is ideal for systems experiencing hard-start issues due to low voltage, long line sets, or aging components.Key FeaturesMechanical Potential Relay (MPR) Provides precise voltage sensing and reliable compressor engagementHigh-Boost Start Capacitor 189227 MFD at 330V for maximum torque during startupSimple 2-Wire Installation No complicated wiring; installs in minutesInstant Re-Start Capability Reduces compressor strain and improves system longevityVersatile Compatibility Works with PSC and CSIR-type compressors in residential and light commercial systemsUL Recognized & OEM Approved Built to meet industry safety and performance standardsNATE Recognized(Course #1867-0002)Instant re-startSpecifications:Capacitor (MFD): 189 to 227MFDRange (HP): 1 to 3HPCapacitor Voltage: 330 VACOperating Voltage: 208 to 277 VACReplacesSupco MPR1Kickstart KS-1Other mechanical relay-based hard start kits for 13 HP compressorsIdeal ApplicationsCentral air conditioning units with hard-starting compressorsHeat pumps and refrigeration systems with long line setsUnits operating in low-voltage environmentsSystems where OEM start components have failed or underperformInstallation TipsDisconnect power before installationMount securely near the compressor terminalsConnect red lead to the run terminal and white lead to the start terminalDo not use with scroll compressors or systems requiring electronic relays