Hitachi PC-ARF Technical Catalogue page 591

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6 Building air conditioning controls

CSNET Manager LT/XT

Readings for the outdoor unit:

Puls (Pulse):

<OU: Impulses of the expansion valve of the IU requested>

<OU: Operation mode: HEAT=0, COOL=1, DRY=2, STOP=3>

<OU: Ambient temperature in ºC>

<OU: Discharge gas temperature in ºC>

<OU: Evaporation temperature in ºC>

<OU: Number of compressors in operation>

<OU: Pressure of discharge gas (not Utopia)>

<OU: Suction pressure (not Utopia)>

<OU: Value of total compressor consumption, a stepped series is used for FX units>

<OU: Frequency of compressor in Hz (not Utopia)>

<OU: % opening of the expansion valve 1 (not Utopia)> (% x 1000 in version 2)

<OU: % opening of the expansion valve 2 (not Utopia)> (% x 1000 in version 2)

<OU: % opening of the expansion valve 3 or b (only set-free 3 tubes)> (% x 1000 in version 2)

Operation of the graph

Data can only be displayed in periods of one day, although they may be downloaded for greater time ranges. Select the

day to be displayed in the "Day" field.

To change the display to graph mode, select the Graph tab on the display panel.

Select the configuration of the graph pressing on Configure....

TCGB0106 rev.0 - 12/2014

Troubleshooting