Dip Switch Settings - Haier 2U18MS2VHB Service Manual

Ductless multi-split heat pump, outdoor/indoor, wall mount - highwall, 2'x2' compact cassette, 3'x3' large cassette, slim duct, mid-static ducted, medium static ducted, console
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SW5 DIP Switch Settings (3U24MS2VHB, 4U36MS2VHB)
Description
Set On For Colder Climates
Set Off For Normal Operations
Max Running Current Is 15Amps
4U36HS1ERE & 4U36MS2VHB
3U24GS1ERE & 3U24MS2VHB
3U24GS1ERE & 3U24MS2VHB
4U36HS1ERE & 4U36MS2VHB
4U36HS1ERE & 4U36MS2VHB
3U24GS1ERE & 3U24MS2VHB
Temperature Correction Valid
Temperature Correction Null
Note:
1. Power input restrict selection: OFF-invalid; ON-valid(≤3500W)
2. Quiet operation: If OFF, the outdoor unit will calculate and obtain the average ambient temperature of the unit within the
last 24 hours, Tao_average_24. Then compare the current ambient temperature with the ambient temperature average
Tao_average_24, and combine it with the previous ambient temperature trend to determine whether it can enter Quiet
operation (low compressor speed and low O.D. fan speed).
SM2 DIP Switch Settings (2U18MS2VHB)
Defrost frequency is reduced by 10Hz compared with OFF/OFF state
Defrost frequency is increased by 10Hz compared to OFF/OFF state

DIP Switch Settings

SW5-1
Cooling Only
ON
Heat Pump OFF*
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Normal Conditions
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Quiet Operation Valid
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Quiet Operation Invalid
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*Factory Default Setting
Description
Enhanced Defrost (Cold Climates)
Demand Defrost (Default Setting)
OUTDOOR TECHNICAL OVERVIEW
SW5-2
SW5-3
SW5-4
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ON
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OFF*
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ON
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OFF*
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ON
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OFF
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SM2-1
SM2-2
OFF
OFF
ON
OFF
OFF
ON
ON
ON
SW5-5
SW5-6
SW5-7
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ON
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OFF
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ON
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OFF
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ON
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OFF*
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SW5-8
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ON
OFF*
B-21

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