Johnson Controls YVAHP072B31S, Service Manual

Page: 1658 / 1796

5-2
Service Manual
EXTERNAL INPUT/OUTPUT AND FUNCTION SETTING
Fig. 5.1 DSW Setting
1 3 4
ON
2 6 5 1 3 4
ON
2 6 5 1 3 4
ON
2 6 5
Setting Function Pin No.
Capacity
[x 1000 Btu/h]
72 96 120
DSW2
Setting
Except No.1 Comp. Operation
Except No.2 Comp. Operation
High Static Pressure Mode
1
Setting Function Pin No.
High Pressure Standby during
Heating Thermo-OFF of Indoor Unit
Connected to Change-Over Box
1
2
5
Turn ON the DIP switch
when using the functions below.
The outdoor unit is not single. A combination setting
is necessary. Be sure to do this setting.
3 2 1 4
ON
5 6
DSW1
Tens Digit
0
7
9
5
8
6
4
3
Setting Position
1
2
RSW1
Last Digit
DSW1
Set the unit number for outdoor units
at each system.
(Factory setting is 0 for a unit.)
System No. Setting
DSW3
Factory Setting
DSW10 Communication Setting Power Supply Setting and Service Setting
For End Resistance
Cancellation
End Resistance
Cancellation
2 1
ON
2 1
ON
Factory
Setting
208V, 230V Unit: 230V Factory Setting
460V Unit: 460V Factory Setting
208V Unit:
230V, 460V Unit:
208V 230V 460V
Run Test and Service Setting DSW4
For Run Test,
Function Setting and
External Input/Output Setting
1
ON
2 3 4 5 6
Factory Setting
Factory Setting
Factory Setting
DSW5
3 2 1 4
ON
5 6
Emergency Operation / Run Test and Service /
High Static Pressure Mode Setting
2 1
ON
3 4
Single Setting
(Factory Setting)
Capacity Setting DSW2
DSW7
2 1
ON
3 4 2 1
ON
3 4 2 1
ON
3 4
Arrangement of DIP Switches
SEG2
DSW6
DSW5 PSW3
SEG1
DSW4
DSW3 DSW2 PSW2
PSW1
DSW7
DSW10
PSW4
PSW5
DSW1
RSW1
Push Switches
PSW1
PSW2
PSW3
For
Checking
PSW5
For Checking
PSW4
For Manual
Defrost
Enter
For Checking
2 1
ON
3 4
Combination Setting
2 1
ON
3 4 2 1
ON
3 4 2 1
ON
3 4
Unit A
(No.0 Unit)
Unit B
(No.1 Unit)
Unit C
(No.2 Unit)
Unit D
(No.3 Unit)
Outdoor Unit No. Setting DSW6
Setting is required.
Setting is required.
Setting is required.
No setting is required.
No setting is required.
ON
1 4 3 2
No setting is required.
No setting is required.
Setting is required. Setting is required.
IMPORTANT NOTICE
If installing the air outlet duct kit (field-supplied), make
sure to turn ON DSW5-No.5.
IMPORTANT NOTICE
This setting is available only for the indoor unit
connected to the change-over box.
IMPORTANT NOTICE
Refrigerant Amount Judgment 4
Setting Function Pin No.
Test Cooling Operation
Test Heating Operation
External Input/Output Setting
1
Setting Item Pin No.
Function Setting 4
1, 2
4, 6
Compressor Forced Stop
and Function Setting
4
Set DSW10-No.1 correctly in the same H-LINK system.
Otherwise, it may cause abnormal communication.
5.1 DIP Switch Settings of Outdoor Unit
TURN OFF all power sources before setting.
Without turning OFF the power sources, the switches will not work and the settings will be invalid.
(However, DSW4-No.1, 2, 4, 6, DSW7-No.4 and push switches can be operated when the power source is
ON.)
The “
Q
” mark indicates the positions of DIP switches.
Ɣ Initial Setting
NOTE:
Thermo-ON: The outdoor unit and some indoor units are running.
Thermo-OFF: The outdoor unit and some indoor units stay on, but don’t run.
Test Run
Test Run,
When the outdoor unit is not single, a combination setting
is necessary. Be sure to perform this setting.
Ref. Cycle No. Setting
Test Run