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  9. ICM Controls ICM870-32A General instructions

ICM Controls ICM870-32A General instructions

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

Green • Green • Red (flashing)

• SCCR: 5kA • Uimp = 4kv
• Ue = 240 VAC • Pollution degree 3
• Ui = 240 VAC
(L1, L2) – 100-240 VAC 50/60Hz
• 115 VAC nominal = 140 VAC,
240 VAC nominal = 264 VAC
• 115 VAC nominal = 95 VAC,
240 VAC nominal =195 VAC

• 
• Max. nominal = 32A
• ICM870-32A = 40A

• 
40°C @ 32 FLA, 8 hour duty
•  -40°F to 149°F (-40°C to 65°C)
•  0-95% non-condensing
•  IP65
•  7.94” x 4.20” x 2.10”
• 7.36” x 2.97”


CAUTION:The  must be mounted in an area where it will
not be exposed to water or the elements. Exposure of the 








The  is intended for Marine, Recreational Vehicle, HVAC
and commercial applications. The  integrates compressor
in-rush current over startup time, thus reducing peak current demand
on a power supply source (generator or other). The 
will monitor system health including voltage, current, compressor
startup and self integrity. Upon a fault condition, the  will
halt operation and initiate a 3 minute anti-short cycle routine while
providing diagnostic fault information by means of an LED indicator.
The model crosses to the comparable amperage models
from the following manufacturer’s:
 (Easy Start) •  (So Start)
•  (Smart Start) •  (Sure Start)
Starting current reduction and
self-learning algorithm
Built-in start capacitor
Over-current protection
Over/under voltage
monitoring
Diagnostic indicators
Sealed enclosure
• UL 60947-1
• UL 60947-4-2
• Altitude: 2000 m
• IP65
• CSA C22.2 NO. 60947-1
• CSA C22.2 NO. 60947-4-2
 
1High or low voltage
2Compressor not sensed or open fuse
3High current
4Compressor start error
5Invalid operating frequency

For more information on our complete range of American-made products – plus
wiring diagrams, troubleshooting tips and more, visit us at 
IMPORTANT SAFETY INFORMATION
SPECIFICATIONS
STANDARD AND TEST RESULTS
FAULT CODES
ICM870-32A COMPARABLE AMPERAGE CROSSES
FEATURES
APPLICATION
LED INDICATORS
LIAF312
800.365.5525
7313 William Barry Blvd., North Syracuse, NY 13212

INSTALLATION INSTALLATION
Sostart
R S
C
OL
L2
L1
T2
Remove the Compressor
Run Winding Wire from T2
of the Contactor and Splice
to the ICM870 Brown Wire
NOTE (Step 2A)
Compressor
Contactor
Control
Voltage
Line
Voltage
Coil
T1
Compressor
Black
Blue
Brown
Splice
(Step 2B)
Red
Run
Cap
CH
Legend:
S = Start
C = Common
H = Hermetic
R = Run
OL = Overload Switch
!
!
WIRING DIAGRAM (GENERAL LAYOUT) WIRING DIAGRAM (GENERAL LAYOUT)
 RESIDENTIAL A/C’s  RV & MARINE A/C’s
Sostart
R S
C
OL
L2L1
Compressor
Black
Blue
Brown
Splice
(Step 1B)
Red
Run
Cap
Legend:
S = Start
C = Common
H = Hermetic
R = Run
OL = Overload Switch
CH
!
NOTE Remove the Compressor Run Winding Wire from
Common (C) of the Run Capacitor and Splice to the Brown Wire of
the ICM870 So Start
!
Step 1A
WHICH MODEL DO I NEED?
 For AC’s with a Compressor Rated Load Amps (RLA) of up to 9A
 For AC’s with a Compressor Rated Load Amps (RLA) of 9.1-16A
 For AC’s with a Compressor Rated Load Amps (RLA) of 16.1-32A
This chart reflects average conversions of Single-Phase Air Conditioning and
Heat Pump Tonnage, BTU’s, HP, and RLA. Please refer to you user manual
or service panel to determine your actual RLA before deciding which model
ICM870 you need.

Size BTU RLA ICM870 Model
1Ton 12,000 6 9A
2Ton 24,000 12 16A
3Ton 36,000 16 16A
4Ton 48,000 22 32A
5Ton 60,000 26 32A
6Ton 72,000 32 32A
 Connect the ( >to the run capacitor
terminal (c/common/T2)
 a) Disconnect factory installed compressor run wire from the
contactor terminal (T2/L2)
b) Splice the () >to the compressor
run wire previously disconnected in (Step 2A)
If there is a Start Capacitor and or PTCR already in place,
additional steps will be required to disconnect.
 Connect the () >to the run capacitor
terminal (herm/hermetic/start)
 Connect or splice the () >to the
contactor terminal (T1)
 a) Disconnect factory installed compressor run wire from the
common run capacitor / L2 terminal
b) Splice the  > to the factory installed
compressor run wire previously disconnected in step #1A.
If there is a Start Capacitor and or PTCR already in place,
additional steps will be required to disconnect them.
  > to the run capacitor (c/common/L2)
terminal
 Connect the  > to the run capacitor
(herm/hermetic/start) terminal
 Splice the  > with the factory install
compressor Overload Switch wire (OL/L1)
Special attention should be made with respect to the termination of the eld wiring leads. When these leads are terminated at a
terminal, they shall terminate only at a terminal suitable for minimum 90°C wire.