Johnson Controls YVAHP072B31S, Service Manual

Page: 90 / 1796

1-74
Service Manual
INSTALLATION
x
Function Setting
2
1
External Input/Output and Function Setting
[ External Input/Output Setting ]
By pressing the push-switches PSW3 ( ) and PSW5 ( ),
the function No. can be selected.
PSW4 ( ): forward, PSW2 ( ): backward
Fill out the selected function setting No.
in the space of the table as shown.
[ Function Setting ]
By pressing the push-switches PSW3 ( ) and PSW5 ( ),
the setting can be changed.
PSW4 ( ): forward, PSW2 ( ): backward
Refer to the Service Manual for more details.
Fill out the selected function setting No.
in the space of the table as shown.
< Example >
< Example >
Start of Setting
Exit Setting Mode
Turn ON No.4 pin of DSW4.
Turn ON No.6 pin of DSW4.
External Input/Output Setting Mode
“ ”
Make sure to perform external input/output and function setting while the outdoor unit is stopped.
It cannot be set while the outdoor unit is operating or check mode.
[ External Input/Output Setting ]
Turn OFF No.6 pin of DSW4
during indicated External Input/Output
Setting Mode.
Turn OFF No.4 pin of DSW4.
After setting, confirm DSW4 setting is same as setting before shipment,
and DSW7 setting is correct.
Press PSW1 once.
1 For the setting mode, refer to below.
Start of Setting
Exit Setting Mode
Turn ON No.4 pin of DSW4.
Turn ON No.4 pin of DSW7.
Function Setting Mode
“ ”
[ Function Setting ]
Turn OFF No.4 pin of DSW7 during
indicated Function Setting Mode.
Turn OFF No.4 pin of DSW4.
2 For the setting mode, refer to below.
NOTE:
Release “Menu Mode” after
the setting is completed.
Otherwise, the air conditioner
may not operate appropriately.
The same input/output function setting cannot be set to different
input/output terminals.
If set, a setting of larger function number becomes invalid.
Example: When setting of input 1 and input 2 are same, input 2 will be invalid.
Before shipping, the input/output function settings are specified to each
input/output terminal according to above table. The details of
function No. and external input/output settings are as shown below.
Setting of External Input/Output Function
Function
No.
Input Output
1 Fixing Heating Operation Mode Operation Signal
2 Fixing Cooling Operation Mode Alarm Signal
3 Demand Stoppage Compressor ON Signal
4 Outdoor Fan Motor Start/Stop Defrost Signal
5 Forced Stoppage -
6 Demand Current Control 40% -
7 Demand Current Control 60% -
8 Demand Current Control 70% -
9 Demand Current Control 80% -
10 Demand Current Control 100% -
11 Low Noise Setting 1 -
12 Low Noise Setting 2 -
13 Low Noise Setting 3 -
0 No Setting No Setting
Item SEG2 SEG1 SET Item SEG2 SEG1 SET
1
Circulator Function at
Heating Thermo-OFF
18
Demand Function
Setting
2
Night-Shift
(Low Noise)
19
Wave Function
Setting
3
Cancellation of
Outdoor Ambient
Temperature Limit
20
Protection of Decrease
in Outlet Temperature
for Cooling
4
Defrost for Cold Area
(Change of Defrost
Condition)
21
5
SLo (Fan Speed)
Defrost Setting
22
Adjustment of
Fan Rotation
(for multiple installation)
6
Cancellation of
Hot Start
23 Not Prepared
7 Priority Capacity Mode 24
Thermo-OFF Setting
for Outdoor Unit After
Defrosting Operation
8
Compressor
Frequency Control
Target Value for Cooling
25 Not Prepared
9
Compressor
Frequency Control
Target Value for Heating
26
10
Indoor Expansion Valve
Control Target Value
for Cooling
27 Not Prepared
11
Indoor Expansion Valve
Control Target Value
for Heating
28
Intermittent Operation
of Outdoor Fan Motor
12
Indoor Expansion Valve
Opening during Heating
Operation Stoppage
29
Indoor Expansion Valve
Control Target Value
for Cooling
(Only for
13
Indoor Expansion Valve
Opening during Heating
Thermo-OFF
14
Indoor Expansion Valve
Initial Opening during
Heating Thermo-ON
30
15
Indoor Expansion Valve
Initial Opening
for Cooling
31
16
Outdoor Expansion
Valve Initial Opening
for Heating
32
17
Sound Reduced
Function
33 Not Prepared
Item SEG2 SEG1 SET
1
Input Setting 1
CN17 [1-2 pin]
2
Input Setting 2
CN17 [2-3 pin]
3
Input Setting 3
CN18 [1-2 pin]
4
Output Setting 1
CN16 [1-2 pin]
5
Output Setting 2
CN16 [1-3 pin]
(Setting Before Shipment)
Details of Checking Mode should be
according to the exhibit of
”Checking Method by 7-Segment Display”
attached to the back side of the service cover.
Outlet Temperature
Control (DOAS)
Crankcase Heater
Control during Stoppage
4-Way Cassette Type)
Indoor Expansion Valve
Opening Limit during
Heating SW-OFF
Invalid Capacity Control
by Compressor for
Cooling
Forced Defrosting after
Enforced Stoppage
during Defrosting Cycle