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York YUHC 18 - Troubleshooting: Additional Protections; Evaporator and Condenser Protections; Anti-cold Air and Outdoor Protections

York YUHC 18
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5.1.4 Evaporator Protection against low temperature(cooling mode)
5.1.4.1 When the evaporator pipe temperature 3°c and this lasts for 3 minutes, the compressor and outdoor fan
will be shut off.
5.1.4.2 When the evaporator pipe temperature 7°c, it recovers.
5.1.4.3 The restart of the compressor shall execute the delay protection.
5.1.5 Anti-cold air protection
Only available to heating mode, including heating mode, heating operation under auto mode.
5.1.6 Condenser high temperature protection
5.1.6.1Only available to cooling (incl. cooling mode, cooling operation under auto mode) and dehumidifying
mode.
5.1.6.2 Delay protection should be performed when the compressor restarts.
5.1.7 Outdoor protection
Only 3HP has outdoor protection function.

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