Haier HSU-09HSA03/R2(DB) manual Haier air conditioner, low temperature treatment in the heat mode

Haier air conditioner Edition: 20070116

High load protection activities are limited twice within 30 minutes, and then high load protection starts to be alarming.

When Heat exchange temperature doesn’t reach "THHEAT[2]", the unit will return to state of normal temperature area control .

The lesser value of High load frequency and area frequency is used for the operation data.

.low temperature treatment in the heat mode

If the case that four-direction valve couldn’t be switched, or the compressor restarts except the defrosting mode in the heat operation, if the temperature of heat exchanger keeps below "THHOTLTH" (-4.5 ) for "TMHOTLTH" 90 seconds , compressor will be off and wait for 3 minutes. Heat exchange temperature higher than "THHOTLTH" (-4.5 ) will reset.

.EEPROM control

When outdoor power on, if the value unconformity between total parameter of EEPROM and check sum, indication the EEPROM disorder.

Indoor received disorder signal of EEPROM from outdoor, indicating outdoor EEPROM disorder. Control and emergency operating does not be received.

Cancel it by power OFF only.

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