Hitachi HNE Serie Manual De Instalación Y Funcionamiento página 40

ELECTRICAL WIRING
13.3.4. SINGLE, TWIN, TRIPLE AND QUAD DIP SWITCH SETTING
Dip Switch Setting (No H-Link example:)
-
SINGLE TWIN
Dip switch setting (H-Link example)
-
Cycle Nº0 Cycle Nº1
Before
Cancelation
shipment
Name of Dip
Unit
Switch
Refrigerant
Cycle
Outdoor
Unit
End Terminal
DSW5-1P
Resistance
Refrigerant
Cycle
Indoor Unit
Indoor Unit
Address
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TRIPLE
Cycle Nº2
Cancelation
Setting Before
Mark
Shipment
For setting refrigerant cycle address of outdoor unit. Set the DSW4 not to overlap
DSW4
the setting of other outdoor units in the same H-LINK system
1 2 3 4
For matching impedance of transmission circuit. Set the DSW5 according to the
quantity of outdoor units in the H-LINK system.
Setting of End Terminal Resistance
Before shipment, No.1 pin of DSW5 is set at the "ON" side.
In the case that the outdoor units quantity in the same H-link is 2 or more, set No.1
1 2
pin of DSW5 at the "OFF" side from the 2nd unit. If only one outdoor unit is used,
no setting is required.
For setting refrigerant cycle address of indoor unit. Set the DSW5 corresponding to
DSW5
the address of outdoor unit in the same refrigerant cycle.
1 2 3 4
For setting indoor unit address. Set the RSW not to overlap the setting of other
RSW
indoor units in the same refrigerant cycle.
QUAD
Mark Description
DSW5 (End Terminal Resistance)

DSW4 (Refrigerant Cycle)

Outdoor Unit

Indoor Units

DSW5 (Refrigerant Cycle)

RSW (Indoor Unit Address)

Function
PMGB0126A rev.2 - 11/2006
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