Johnson Controls YVAHP072B31S, Service Manual

Page: 1334 / 1796

3-20
Service Manual
TROUBLESHOOTING
ƒ :DOO0RXQWHG
DIP Switch Settings
7XUQ2))WKHSRZHUVXSSO\RIWKHLQGRRUXQLWDQGWKHRXWGRRUXQLWEHIRUH',3VZLWFKVHWWLQJ1RW
doing so makes the setting invalid.
)DFWRU\VHWWLQJVIRU'6:DQG56:DUHVHWWR³´,IFRQQHFWLQJWKHLQGRR/,1.,,
supporting the outdoor unit without setting any DIP switches, auto-address setting will be performed by
the wired controller.
$XWR$GGUHVV6HWWLQJE\:LUHG&RQWUROOHU
7KHDGGUHVVQXPEHULQJLVVWDUWHGIURP³´E\WKHDXWRDGGUHVVIXQFWLRQZKHQWKHZLUHGFRQWUROOHULV
connected to H-LINK II.
< TIWM006B21S to TIWM012B21S > < TIWM015B21S to TIWM024B21S >
Switch Cover
PCB2
Switch Cover
PCB2
8QLW1R6HWWLQJ56:DQG'6:
7KHLQGRRUXQLWQXPEHUVRIDOOLQGRRUXQLWV
DUHQRWUHTXLUHG7KHLQGRRUXQLWQXPEHUV
are set by the auto-address function. If the
LQGRRUXQLWQXPEHUVHWWLQJLVUHTXLUHGVHWWKH
unit numbers of all indoor units respectively
and serially by following setting positions. It
is recommended to assign a number to each
LQGRRUXQLWEHJLQQLQJZLWK³´7KRXJKD
maximum of 64 indoor units per refrigerant
system can be connected to the H-LINK ll
System, available numbers range from 0 to 63.
7KHUHIRUHWKHDSSOLFDEOHQXPEHUIRUWKHWK
LQGRRUXQLWZLOOEH³´
)RUFHQWUDOL]HGFRQWUROWKLVVHWWLQJLVUHTXLUHG
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
DSW6 (Tens Digit)
Unit No. Setting
RSW1 (Units Digit)
Setting
Position Set by inserting
slotted screwdriver
into the groove.
Ex.) Set at No.16 Unit
DSW6
RSW1
Set No.1 Pin at ON side
Set at "6"
3
4
1 0
8
9
2
56
7
3
4
1 0
8
9 2
56
7
Factory settings for DSW6 and RSW1 are set at "0".
For the units supporting H-LINK II, the unit numbers can
be set for a maximum of 64 indoor units (No.0 to 63).
',36ZLWFK >
DSW7
ON
12
RSW2
DSW2
DSW9
RSW1
DSW5
DSW6
DSW3
SW2
SW1
0
9
87
6 5 4
32
1
0
9
87
6 5 4
32
1
2 1 3 4 5 6
ON
2 1 3 4 5 6
ON
ON
1 2 3 4 5 6
ON
1 2 3 4
ON
1 2
DSW7 (Fuse Recover)
DSW5 (System No.Setting)
DSW6
(Indoor Unit No.Setting)
DSW9 (Optional Function Setting)
DSW3 (Capacity Code Setting)
RSW2
(System No.Setting)
RSW1
(Indoor Unit No.Setting)
DSW2 (Optional Function Setting)
SW1 [Not in Use]
Do not change position.
SW2
(Wired/Wireless Setting)
Main PCB (PCB1) [Inside Electrical Box]
DIP Switch PCB (PCB2)
'6:5HIULJHUDQW&\FOH1R6HWWLQJ
(Refrigerant Cycle No.Setting)