York HIC4008B21S Installation And Maintenance Manual page 35

6. Refrigerant Cycle No. Setting (RSW2 & DSW5)
This setting is required. The unit arrives with all
settings in the OFF position.
7. Fuse Recovery (DSW7)
● Factory Setting
● When introducing high voltage to terminals 1 and 2 of TB2,
the (0.5A) fuse on the PCB is cut. In such a case, first, reconnect
the wiring correctly to TB2, and then adjust the number 1 pin to ON.
8. Optional Function Setting (DSW9)
No setting is required. Settings positions before shipment are all in the
OFF position.
NOTES:
● The solid square "■" symbol signifies the "ON" and "OFF" positions for DIP switches. The diagrams show
original settings before shipment.
● When the unit number and the refrigerant cycle are set, record the unit number and refrigerant cycle to
facilitate maintenance and servicing activities afterward.
All indoor and outdoor units must be shut down prior to attempting to make DIP Switch adjustments,
otherwise, the settings will not take effect.
P5417054
Refrigerant Cycle No. Setting
DSW5 (Tens Digit)
1 2 3 4 5 6
Before shipment, DSW5 and RSW2 are set at "0".
For the units supporting H-LINK II,
the ref. cycle No. can be set for Max. 64 cycles.
(No. 0~63)
ON
1 2
OFF
NOTICE
RSW2 (Units Digit)
Setting Set by inserting
Position slotted screwdriver
ON
into the groove.
0
OFF
ON
1
OFF
ON
1
OFF
Ex.) Set at No.5 Cycle
DSW5
ON
OFF
1 2 3 4 5 6
Set All Pins OFF
RSW2
0
Set at "5"
2
2
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