ICM CONTROLS ICM870 Series Soft Starter Built-In Capacitor

GENERAL SIZING

• Check the RLA of the compressor and make sure the soft start you choose is correct for the application. Note: Do not jump to a larger size soft start if the RLA is close to max.
• 3-ton units may require either the 16A or 32A soft-start. Refer to the RLA on your compressor name plate to choose the correct model.

အရွယ်အစား	BTU	*RLA	ICM870 မော်ဒယ်
၃.၅ တန်	12,000	6	ICM870-9A
၃.၅ တန်	24,000	12	ICM870-16A
၃.၅ တန်**	36,000	16	ICM870-16A
၃.၅ တန်	48,000	22	ICM870-32A
၃.၅ တန်	60,000	26	ICM870-32A
၃.၅ တန်	72,000	32	ICM870-32A

တောင်တက်ခြင်း။

• Check for proper mounting of the ICM870 inside the equipment cabinet or in an outdoor-rated enclosure with a sealed wire raceway.
• Also, be sure the ICM870 is not mounted upside down.

SURGE PROTECTION RECOMMENDATION

• ICM Controls recommends protecting your equipment and the ICM870 with a surge protection device such as the ICM517A or ICM518 to ensure damaging surges do not get to your equipment or the ICM870

မှတ်ချက် - Startup errors are indicated by flashing the red fault light on the soft start in a repeating pattern of blinks followed by a brief pause [For example, 2 blinks followed by a pause, which repeats,s is a Code 2 fault (2 flashes)].

အမှား	အယ်လ်အီးဒီ အဆင့်အတန်း	အမှန်အကန်လုပ်ဆောင်မှု
အမြင့်/အနိမ့်အသံtage	၂.၀ Flash	Incoming Vol ကိုစစ်ဆေးပါ။tage is not out of range with the soft start specifications for the model being used (refer to the installation guide).
Compressor not sensed or Open Fuse	မီးတောက် ၃ ခု	•   Check RLA of the compressor does not exceed the rating for the soft start being used (See install guide for RLA table) •    Check all wiring is clean and tight with no loose crimps or connections •    Make sure no additional hard start or start relay is connected •    Check the BROWN wire of the ICM870 is directly spliced to the Run winding wire of the compressor (no wire nuts) •    Check the ICM870 BROWN wire splice is NOT attached back to the contactor •    Check that the RED wire of the ICM870 is connected to the contactor for better load carrying capacity. •    Check the value of the run capacitor of the AC unit to be sure it is good •    Check the resistance between the ICM870 RED & BLUE wires. It should be about 460KΩ-500KΩ. It should not read open.
High Current	မီးတောက် ၃ ခု	•    Check all wiring is clean and tight with no loose crimps or connections •    Make sure no additional hard start or start relay is connected •    Check and clean any rust or oxidation on terminals •    Check or replace the RUN capacitor •    Check or replace the contactor relay
Compressor Start Error	မီးတောက် ၃ ခု	This is not a hard error, and the unit will run. This error is simply a timeout error, which means the time to start the compressor exceeded the normal start time in the ICM870 software. •    Check for weak run capacitor •    Check for any compressor issues, including weak start winding, and check the refrigerant charge
Invalid Operating Frequency	မီးတောက် ၃ ခု	If running on a generator or other power source, be sure the frequency is a steady 50/60Hz before energizing the softstartr.t •    Check your line power frequency is stable at 50/60Hz.
စတင်နှောင့်နှေး	Rapid	A rapidly flashing fault light indicates you are in a start delay. This is a normal condition when the compressor has not been given 4 minutes of uninterrupted runtime. The start delay can last up to 4 minutes, depending on how much uninterrupted accumulated runtime the compressor had in the previous cycle.

စတင်ရန်နှောင့်နှေး

If the Fault light is flashing rapidly, WA,  it can take up to 4 minutes for the start delay to end. Do not begin troubleshooting or removing the soft start until the delay has elapsed. Please note that the compressor must see 4 minutes of uninterrupted run time between cycles, or this delay will continue to occur.

ကြိုးသွယ်ခြင်း။

• Check all wiring is correct per the ICM870 wiring diagram, and connections are clean and tight, and be sure no wire nuts are being used with the ICM870.
• Check all crimp connections are tight (tug on wires to be sure).
• Make sure the Brown wire of the ICM870 is directly spliced to the run winding of the compressor and NOT reconnected back to the contactor.

တပ်ဆင်ခြင်း စစ်ဆေးခြင်း။

• Check the RUN Capacitor for proper MFD reading and integrity.
• Check that there are no additional hard starts, start capacitors, or starting relays installed. If there are, these must be removed or disabled before using the ICM870 soft start.
• Check and remove or bypass any diagnostic controllers like the core sense, & comfort alert boards that can interfere with the operation of the ICM870.

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အမေးအဖြေများ

What do different fault light patterns indicate?

The fault light blinking patterns indicate specific issues. For example, one flash followed by two flashes indicates High Low Voltage or Compressor not Sensed Open Fuse.

How do I address a High Current fault?

A High Current fault is indicated by three flashes. Check for high current issues and take corrective action as needed.

စာရွက်စာတမ်းများ / အရင်းအမြစ်များ

ICM CONTROLS ICM870 Series Soft Starter Built In Capacitor [pdf] ညွှန်ကြားချက်များ ICM870-9A, ICM870-16A, ICM870-32A, ICM870 Series Soft Starter Built In Capacitor, ICM870 Series, Soft Starter Built In Capacitor, Built In Capacitor, Capacitor

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