Johnson Controls YVAHP072B31S, Service Manual

Page: 252 / 1796

1-236
Service Manual
INSTALLATION
4. Capacity Code Setting (DSW3)
1RVHWWLQJLVUHTXLUHGGXHWRVHWWLQJEHIRUHVKLSPHQW7KLVVZLWFKLVXWLOL]HGIRUVHWWLQJWKHFDSDFLW\
code which corresponds to the capacity of the indoor unit.
3. Unit No. Setting
Setting is not required.
Indoor unit numbers are set by the auto-address
function. If an indoor unit number setting is
UHTXLUHGVHWWKHXQLWQXPEHURIDOOLQGRRUXQLWV
respectively and sequentially by following setting
position. It is recommended that you assign a
number to each indoor unit from “1”. A maximum
of 64 indoor units per refrigerant cycle can be
connected to an H-LINK ll System. Though the
DYDLODEOHQXPEHUVUDQJHIURP]HURWRWKH
applicable number for the 64
th
indoor unit in
WKHRU\VXSSODQWVWKHQXPEHU]HUR
)RUWKHFHQWUDOL]HGFRQWUROWKLVVHWWLQJLV
required.
1 2 3 4
ON
OFF
Setting Position
12 15 18
Indoor Unit Capacity
(MBH)
24 30 36
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
5. Unit Model Code Setting (DSW4)
No setting is required. It is for setting the model code of the indoor unit.
8.6 DIP Switch Settings
1. Turn OFF the power supply to both indoor and outdoor units before adjusting DIP switch settings.
2WKHUZLVHWKHVHWWLQJVZLOOEHLQYDOLGDWHGDQGQRWWDNHHIIHFW
2. Positions of DIP Switches on the PCB are shown below.
0
9
8
7 6 5 4
3
2
1
0
9
8
7 6 5 4
3
2
1
DSW5 (Refrigerant Cycle No. Setting)
RSW2 (Refrigerant Cycle No. Setting)
DSW3 (Capacity Code No. Setting)
DSW4 (Unit Model Code Setting)
DSW9 (Optional Function Setting)
DSW6
(Indoor Unit No. Setting) RSW1
(Indoor Unit No. Setting)
DSW7 (Fuse Recovery)
DSW4 DSW5
RSW2
DSW9 DSW6
RSW1
DSW3
DSW7
ON ON
ON ON
ON
ON
1 2 3 4 5 6 1 2 3 4 5 6
1 2 3 4 5 6
1 2
1 2 3 4
1 2
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
Before shipment, DSW6 and RSW1 are set at "0".
For the units supporting H-LINK II,
the unit No. can be set for Max. 64 indoor units
(No.0~63).