Hitachi mini-HNRQ1 Series Service Manual page 62

Heat pump air conditioners
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DSW3
Power Supply
220-240V
1N~ 50HZ
380-415V
3N~ 50HZ
Ref.Cycle No Setting
DSW4
Setting is required
Setting Before Shipment Setting Position
DSW4
DSW6
Capacity and Power Supply Setting
3.0
5.0
7.0
11
DSW5
Setting is required
RSW1
0 1
9
2
8
3
7
6
4
5
-
No Setting is required.
Setting Before
Shipment
Capacity(HP)
3.5
4.0
6.0
6.5
8.0
10.0
12
Communication Setting
For End Terminal Resistance Cancellation
Set No.1 pin of DSW5 correctly in the same H-LINK system
otherwise, it may cause abnormal transmission.
Refer to "Setting of End Terminal Resistance".
Setting Before
-
DSW7
No Setting is required.
Setting Before
Shipment
55
TROUBLESHOOTING
4.5
End Resistance

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