Option Setting - Hitachi PC-ARF Technical Catalogue

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5 Centralised remote controls

Setting for Each Group

a. Depress the "ZONE" switch and select the zone to set.

b. Depress the "GROUP"  switch to select the group to set. Then, the Ref. Nº and I.U. Add. of the indoor unit

set as the master unit of selected group are indicated.

[Group Selection]

Depress the "GROUP"  switch, and the flickering indication of group Nº is changed in order as shown below.

Only the group Nº to set is indicated.

5 Setting Procedure

Depress the "RUN/STOP" switch and the selected group is set with demand control, and the "" and "DEMAND" indica-

tions appear.

In the case where there is one or more group with demand setting in the zone, the "" indication of zone turns ON.

(Every time the "RUN/STOP" switch is depressed, the demand control is set and canceled alternately.)

5.3.4.4 Option setting

Changing to Option Setting Mode

1 Depress the "CHECK" switch for more than 3 seconds while all the groups are stopped. The central station is

changed to the option setting mode and the "CHECK" indication appears, and "1" (Master Unit Setting Mode) is indi-

cated on the 7-segment for check.

AT T E N T I O N

When there is a group in operation, the central station can not be changed to the check mode.

2 Depress the "CHECK" switch and change the indication of the 7-segment.

3 Depress the "RESET" switch and the central station is changed to the normal mode.

TCGB0106 rev.0 - 12/2014

"" and "SET" Indications: ON

(The demand control is set.)

Fixing Operation Mode

Fixing Setting Temperature

Fixing Cooling Only

Fixing Air Flow

Auto COOL / HEAT