ICM-UDefrost Universal Defrost Control Board
🧊 ICM-UDefrost Universal Defrost Control Board
SKU: ICM-UDefrost
Category: Heap pump refrigeration
Vendor: ICM Controls
🔧 Product Overview
The ICM-UDefrost is a universal time and temperature defrost control board designed to replace nearly all OEM heat pump defrost controls. Engineered for broad compatibility, it serves as a form, fit, and functional replacement for over 200 competitive part numbers—streamlining inventory and simplifying field service.
ICM-UDEFROST
With the high cost and limited access to OEM replacement boards, the need for a singular Universal defrost control board which replaces the function of nearly all time & temperature heat pump defrost controls is a must. ICM controls has what you need with the ICM-UDefrost board. The added benefit of selecting the ICM-UDefrost is the ease of configuration using the ICM OMNI mobile App downloaded free to your Apple or Android Mobile device.
The ICM-UDefrost board monitors thermostat calls for Y, O/B and W2 inputs. During a heat call if conditions for defrost are met, the control will perform a time and temperature defrost cycle. During normal operation, the control continuously monitors safeties such as the low-pressure switch, high-pressure switch, brownout detection, and sensor health while displaying status and fault conditions via onboard LED diagnostics.
⚙️ Key Features
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Universal Compatibility: Replaces legacy defrost boards across major brands.
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Smart Configuration: NFC-enabled for quick setup and parameter adjustments.
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Advanced Diagnostics: Onboard LED indicators display system status and fault codes.
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Safety Monitoring: Continuously checks low/high pressure switches, brownout conditions, and sensor health.
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Quiet Shift Technology: Minimizes noise during defrost transitions.
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Field-Test Mode: Speeds up troubleshooting and verification.
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Customizable Defrost Parameters:
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Defrost interval timer
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Max defrost duration
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Defrost enable/end temperatures
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Compressor Protection:
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Anti-short cycle delay
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Staging delay after brownout or power-up
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Ambient Lockouts:
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High ambient auxiliary heat lockout
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Low ambient compressor lockout
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Reversing Valve Configuration: Supports both heat-active and cool-active setups
🛠️ Applications
Ideal for HVAC technicians and service professionals seeking a reliable, drop-in replacement for aging or failed defrost boards in residential and light commercial heat pump systems.
ICM-UDefrost Cross Reference Guide UNIVERSAL DEFROST CONTROL BOARD
Universal Control Manufacturer Part Numbers/ Special Comments White-Rodgers 47D01U-843 Resideo DB711OU
Manufacturing Appliance OEM OEM Part Numbers/ Special Comments Emerson 47D01U-843, ICM300 series defrost controls BARD Manufacturing 1084-751, 1084-83-7502, 8201-XXX, 8210-XXX, 8620-XXX Carrier/ICP 1052757, 1069364, 1085843, 1087515, 1087562, 1087952, 1087953, 1093410, 1160717, 1171803, 1173425, 1173636, 1173696, 1177927, 1185790, 3232140, 34332100, 34332101, 1029-2, 1050-83-7B, 1084-100, 1084-83-1008, 1084-83-100A, 1395-329, 150-83-6A, 32312-00, 621-XXX, 621-83-550 -D,-H,-L,CEBD410104-02, CEBD43052404B, CEBD430524-22, CEBD430524-24A, CEPL110104-02, CEPL130433-XX, CEPL130524-XX, CEPL130547-01, CES0110063-XX, CES0130024-XX, CES0130049-00, CES0130076, DDL-30011-ICP, DTL-300000-ICP, HK25SZ359A, HK32EA001, HK32EA003, HK32EA007, HK32EA008, HK32FA003, HK32FA006, HQ1052757(EX), HQ1086070, HQ108671RC, HQ1087953RC, HQ1987953 Goodman/Amana 20293901, 1084-03-2022, 1084-200C, D, 1084-552, 1084-83-201A, B1226006, B12260-06, B1226008, B12260-08, C64301-1, C6431001, DFBK01, DTL-500000-001, LR40061, PCBDM101(S), PCBDM130(S), PCBDM133(S), PCBDM160(S) Honeywell DB7110U1000, ST74A1004, ST74A1020, ST74A1038, ST74A1053, ST74C1002 ICM DFORB24A2I300, DFORB-AB1004, DFORF, DFOSP24A2, ICM300C, ICM301C, ICM302C, ICM303C, ICM304, ICM307, ICM314, ICM315, ICM316, ICM317, ICM318, ICM319, ICM320, ICM321, ICM322, ICM323, ICM324, ICM350, ICM3000, W1001, W1001-4 Lennox/Allied Air 38109, 20404302, 0204043-02, 100269-XX, 1080-852-R, 1084-551, 1084-800, 1084-83-551B, C, 1084-83-800, 1084-851, -I, 1084-852-R, 11K71(01), 12J54(01), 1507N170027, 15C34(01), 16V38(01), 17M14(01), 18M23(01), 23L00(01), 23M22(01), 29M01(01), 29M02(01), 30W87(01), 33G95(01), 34M63(01), 36326B001, 37967B002, 39840B001, 41A08(01), 41F29(01), 42A16(01), 44614-XXX, 46257-001, 46K67(01), 47181-001, 56M37(01), 58H28(01), 61H42(01), 621-112-I, 621-83-4B, 68J29(01), 68J84(01), 78H68(01), 84W88(01), 85H75(01), 86G16(01), 97M81(01), DTL-100000-LXA, LB-100380A, LB101263A, B, LB83114C, LB-93614, P-8-7556, PN0204043-02, R46257001, R46614-002, R47181-001 Nordyne 620880, 624608, 624626, 624633, 624644, 624656, 624700, 917012, 920338, 920806, 6208800, 1084-400D, 1084-83-4102A, 621301A, 621579B, C, 624519A, 917178(A) Rheem/RUUD 1157-83-1002A, 47-102684-XX, 47-102685-XX, 47-21517-XX, 47-21776-XX, 840-4-5548, DDL-013002-XXX, DDL013102-1RH, DDL-017002-2RH, DDL-017102-1RH, DDL-017702-XXX, DDL-122131-2RH, UT 149-XXX Trane/American Standard 21C140501GXX, 21C142827G01, BRD04302, BRD05205, BRD05768, BRD06552, CNT01106, CNT01108, CNT01129, CNT01152, CNT01431, CNT01510, CNT01642, CNT01923, CNT01924, CNT01926, CNT02514, CNT02515, CNT02516, CNT02920, CNT02935, CNT03715, CNT03716, CNT04362, CNT04363, CNT04364, CNT04366, CNT04368, CNT04695, CNT05001, CNT05002, CNT05004, CNT05005, CNT05007, CNT05008, CNT05009, CNT05010, CNT05482, CNT05875, CNT06080, CNT06081, CNT06082, X13690231010, X13690250 XXX York/JCI 18390, 67297, 174552, 624733, 031-00872-XXX, 031-01098-XXX, 031-01222-000, 031-01251-000, 031-01268-000, 031-01298-000, 031-01954-000, 031-01957-000, 031-01971-000, 031-01975-000, 031-09104-000, 031-09170-000, 1030-100-I, 1030-102, 1030-103-L, 1030-105, 1030-83-XXX, 1084-502, 1084-83-900, 1084-900, 1157-83-9021A, 1157-83-902B, 1157-83-904B, C, 1157-XXX, 3030A374, 331-01098-XXX, 331-01975-XXX, 331-09139-000, 6TT-X, 6YG-2, 9218-374(1), DFOS-AD1008, S1-03100872701, S1-03101954000, S1-03101971000, S1-03101975102, S103103483000, S1-03109170000, S1-3030-3741, S1-3030A3741, S1-3030B3741, S1-33101954000, S1-33101975001, S1-33101975102, S1-37323867001