Dip Switch Setting - Hitachi FSG1 Series Technical Catalogue

CONTROL SYSTEM
9
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9.3.2.

DIP SWITCH SETTING

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NOTE:
The mark "{" indicates position of dips switches.
Figures show setting before shipment or after
selection.
By using DSW4, 7 or 8 the unit is started or stopped
after 10 to 20 seconds after the switch is operated.
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CAUTION:
Before setting dips switches, firstly turn off power
source and set the position of the dips switches.
If the switches are set without turning off the power
source, the contents of the setting are invalid.
n n n n DSW1: REFRIGERANT CYCLE NO. SETTING
Setting is required if H-Link is used. Setting position before
shipment are all OFF (Refrigerant cycle No. 0). In the same
Refrigerant Cycle set the same refrigerant cycle no. for the
outdoor unit and for the indoor units as shown below.
Cycle no. 0
ON ON
Setting
Position
1 2 3 4 1 2 3 4
4
Cycle no.
ON ON
Setting
Position
1 2 3 4 1 2 3 4
8
Cycle no.
ON ON
Setting
Position
1 2 3 4 1 2 3 4
12
Cycle no.
ON ON
Setting
Position
1 2 3 4 1 2 3 4
n n n n DSW2: CAPACITY SETTINGS
Not setting is required. Each outdoor unit is set as shown
before shipment.
Setting
Model
Position
ON
RAS-5FSG
1 2 3 4
ON
RAS-10FSG
RAS-10FXG
1 2 3 4
ON
RAS-20FXG1
1 2 3 4
ON
RAS-24FSG1
1 2 3 4
ON
RAS-30FSG1
1 2 3 4
1 2 3
ON ON
1 2 3 4 1 2 3 4
5 6 7
ON ON
1 2 3 4 1 2 3 4
9 10 11
ON ON
1 2 3 4 1 2 3 4
13 14 15
ON ON
1 2 3 4 1 2 3 4
Setting
Model
Position
ON
RAS-8FSG
RAS-8FXG
1 2 3 4
ON
RAS-16FSG
1 2 3 4
ON
RAS-20FSG
1 2 3 4
ON
RAS-30FXG1
1 2 3 4
n n n n DSW3: HIGH DIFFERENCE
Setting is required
FSG/FSG1
The Outdoor Unit is located higher than
Indoor Unit (0~50m)
The Outdoor Unit is located lower than
Indoor Unit (0~20m)
The Outdoor Unit is located lower than
Indoor Unit (20~40m)
FXG/FXG1
The Outdoor Unit is located higher than
Indoor Unit (0~20m)
The Outdoor Unit is located lower than
Indoor Unit (20~50m)
The Outdoor Unit is located lower than
Indoor Unit (0~20m)
The Outdoor Unit is located lower than
Indoor Unit (20~40m)
n n n n DSW4: TEST OPERATION & SERVICE SETTINGS
Setting is required. This dip switch is utilized for servicing
Setting before shipment
Test Cooling Operation
Test Heating Operation
Enforced Compressor Stop
24 & 30HP Except Compressor
FSG1 No. 1 Operation
ON
1 2
ON
1 2
ON
1 2
ON
1 2
ON
1 2
ON
1 2
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6