York IDM030B21E Series, Service Manual

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3-8
SM-16005-rev.2
TROUBLESHOOTING
(5) Capacity Code Setting (DSW3)
No setting is required because of the factory setting. This switch is utilized for setting the capacity
code which corresponds to the capacity of the indoor unit.
Indoor Unit Capacity
(MBH)
30 36 48
DSW3
Setting Position
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
(6) Refrigerant Cycle Number Settings
(RSW2 and DSW5)
Setting is required. Factory settings are all OFF.
34
1 0
89
2
56
7
34
1 0
89
2
56
7
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
DSW5 (Tens Digit)
Refrigerant Cycle Number Setting
RSW2 (Units Digit)
Setting
Position
Set by inserting
slotted screwdriver
into the groove.
Ex.) Set at No.5 Cycle
DSW5
RSW2
Set All Pins OFF
Set at "5"
Factory settings for DSW5 and RSW2 are set at "0".
For the units supporting H-LINK II, the refrigerant cycle
numbers can be set for a maximum of 64 cycles.
(No. 0 to 63)
(7) Unit Model Code Setting (DSW4)
No setting is required.
This switch is utilized to set the model code of the indoor unit.
(8) Fuse Recovery (DSW7) (for auxiliary use)
* Factory Setting
1 2
ON
OFF
1 2
ON
OFF
* When high voltage is applied to terminals 1 and
2 of TB2, the fuse (0.5A) on the PCB is blown.
If this happens, first connect the wiring correctly
to TB2, and then turn on the No.1 pin.
1 2 3 4
ON
OFF
(9) Optional Function Setting (DSW8)
No setting is required.
(10) Optional Function Setting (DSW9)
No setting is required. Factory settings are all OFF.
1 2
ON
OFF
Factory settings are all OFF.
2 1 3
ON
OFF
2 1 3
ON
OFF
Produced in January 2018 or earlier Produced in February 2018 or later