Haier HSU-12HSA03/R2(DB), HSU-09HSA03/R2(DB) Haier air conditioner, High load protection control

Haier air conditioner Edition:20070116

Heat exchange temperature sensor format:

Fixed number B =3700 R (25 degree) =10KO

In Cool\Dry operation mode, the unit performs low load protection operating according to Heat exchange temperature as following figure show.

Low load protection control

When it is on running-in process, low load protection controlling will be ignored.

After enhanced cool operation start, release temporarily the low load protection control for 3 minutes.

(THLH[3 2 1 0]= 7 4.6 2.2 -0.5 )



. High load protection control

If selection model is GANGDAcommunication, the indoor unit has not this function.

In heat operation mode, the unit performs high load protection operating according to Heat exchange temperature as following figure show:

When operating for heat, the unit is under high load controlling based on Heat exchange temperature as the following picture shows.

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