York JVOHQ Series Installation & Maintenance Manual page 53

● Communications settings:
Set the outdoor unit number, the refrigerant system number, and the terminal resistance for the H-LINK
or H-LINK II system.
● Outdoor number setting:
When you combine base model module, set the DSW6 as shown below:
DSW6
(Outdoor unit No. setting)
Setting before shipment
ON
1 2 3 4
● Refrigerant system setting:
Set the refrigerant system no. for the outdoor unit within the same refrigerant system, as shown in
the figure:
Note:
Within the same refrigerant system, refrigerant no. for the outdoor unit and indoor unit should be set to the same.
DSW1
(Refrigerant system ten digit setting)
Setting
before
shipment
RSW1
RSW（Refrigerant system single digit setting)
Setting before shipment
DSW1 and RSW1 factory set to the 0.
The maximum number of refrigerant system is set to 63.
● Terminal resistance setting:
At the factory, position 1 of the DSW10 is set to ON.
If the number of outdoor units in the same H-LINK or
H-LINK II.system is 2 or more, the position 1 of the
DSW10 is set to OFF from the outdoor unit of the
second refrigerant system. In this case, no need for
setting if only one outdoor unit is used.
Main
No. 1 sub
ON ON
2 3 4 2 3 4
1 1
ON
1 2 3 4 5 6
No. 2 sub
ON
2 3 4
1
Terminal Resistance Setting
Factory setting
ON
1 2 OFF
49
No. 3 sub
ON
2 3 4
1
DSW10
When do not use
terminal resistance
ON
1 2 OFF