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Auto Restart; Forced Defrost; Indoor Temperature Display (Highwall Only; Enhanced Defrost - 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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Special Functions
Topic Title

Auto Restart

When this is enabled, the following functions will automatically resumes after a power loss:
• ON/OFF State, Mode of Operation, Fan Speed, Temperature Setpoint, Louver Swing settings.
• If there was a timer set or the system was in Sleep mode, they will be canceled upon restart.
Wired Controller:
• Auto Restart is Enabled by Default
Wireless Controller:
• Enable: Press the Sleep button 10 times within 5 seconds. You will hear 4 beeps as confirmation.
• Disable: Press the Sleep button 10 times within 5 seconds. You will hear 2 beeps as confirmation.

Forced Defrost

This will force the unit to run a Defrost Cycle.
Wireless Controller:
• Set the unit to HEAT, 30°C and High fan speed. Press the Sleep button 6 times within 5 seconds.
• You will hear 3 beeps as a confirmation.

Indoor Temperature Display (Highwall Only)

This function will allow you to set the display to show either the Ambient temperature or the setpoint:
• Press the Light button 10 times within 5 seconds.

Enhanced Defrost

Enable Enhanced Defrost via YR-HG Controller:
1. Set to HEAT mode
2. Set to 30C/86F
3. Set High fan speed
4. Press "Temperature +" button 10 times within 5 seconds
5. Unit will beep 7 times to confirm
Disable Enhance Defrost:
• 6. Repeat steps 1-5. Unit will beep 5 times to confirm

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