Warranty

62
Applications
• Use on any single phase air conditioner or refrigeration unit
• Low voltage situations
• Hard starting compressors
Choosing the correct hard start for the application combines a technical need with a professional preference. Select from the broadest offering of hard
starts from the Pioneer of Hard Start technology.
Three (3) styles to choose from:
• SPP Series PTC/Capacitor combination
• SPPE Elite Series Electronic Potential Relay (EPR)/Capacitor combination
• SK3W Series 3-wire Potential Relay/Capacitor combination
A/C Hard Starts
SK3W Series 3-wire Potential Relay/Capacitor Combination
Features/Benefits
• OEM-Style 3-wire Installation
• Instant re-start
SPPE ‘E Class’ Series EPR/Capacitor Combination
Features/Benefits
• Electronic Potential Relay Technology (EPR)
• Backup electronic timing circuit to protect
the compressor
• Voltage sensing
• Instant re-start
• Easy 2-wire installation
• Can be used on PSC and CSIR type
compressors
SPP Series PTC/
Capacitor Combination
Features/Benefits
• Positive Temperature Coefficient
Technology (PTC)
• Field proven reliability
• Easy 2 –wire installation
• Most economic
• Easy installation with “fast clamp-on” connection
• Models for standard and scroll compressors
• 330 VAC Start Capacity Voltage
®
OPERATING
PART VOLTAGE RECOMMENDED INCREASE
NO. (VAC) RANGE (hp) IN TORQUE (%)
SPP* 90 – 277 ½ to 10 250%
SPP5 90 – 277 ½ to 10 300%
SPP6 90 – 277 ½ to 10 500%
SPP7S 90 – 277 ½ to 10 600%
* This model does not include a capacitor
®
DROP-OUT PICK-UP MAXIMUM START
PART H.P. VOLTAGE VOLTAGE COIL CAP
NO. RATINGS COMPRESSOR (VAC) (VAC) VOLTAGE (mF)
SK3W2 1 thru. 2 HP Standard 60-135 204-233 500 VAC 88 - 108
SK3W3 2½ thru. 3 ½ HP Standard 60-121 171-184 420 VAC 189 - 227
SK3W5 4 thru. 5 HP Standard 60-121 171-184 420 VAC 243 - 292
SK3W4S 3 thru. 4 HP Scroll 60-135 204-233 500 VAC 189 - 227
SK3W6S 4½ thru. 6 HP Scroll 60-121 171-184 420 VAC 270 - 324
AC Hard StarAC Hard Star
AC Hard StarAC Hard Star
AC Hard Star
tsts
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OPERATING
PART VOLTAGE RECOMMENDED CAPACITOR
NO. (VAC) RANGE (hp) Size (uF)
SPP4E 90 – 130 1/8 – 1 88–106
SPP5E 90 – 277 1/3 – 2 43–52
SPP6E 90 – 277 1/2 – 3 88–106
SPP7E 90 – 277 1 – 4 130–156
SPP8E 90 – 277 1 and up 189–227
SPP9E 90 – 277 1 and up 233–280
SPP10E 90 – 277 3 and up 270–324 / 330V
“Fast Clamp-On”
Connection
(used with SK3W Series)
SK3W Series 3-wire
Application Note: 2-wire vs. 3-wire Installation
SPP & SPPE
Series 2-wire
Hard Start Comparison SPPE SPP SK3W
Series Series Series
Start Sensing Technology Voltage N/A Voltage
Uses Electronic Potential Relay (EPR) Yes No Yes
Instant Re-Start Yes No Yes
Senses Motor Start Yes No Yes
Two wire, non-polarized Yes Yes No
OEM Style, 3-wire No No Yes
Replaces 3-wire capacitor kit Yes Yes Yes
UL approved Yes Yes Pending
PTCR Device No Yes No
Backup Timing Safety Circuit Yes No No
Potentially damaging to motor windings No No No
Requires non-replaceable fuse protection No No No