85
S4179544
85
S4179544
(B)
When linking outdoor units in a network (S-net link system).
a
Set the R.C. address number of the outdoor unit in S002 and S003.
R.C. address : Refrigerant circuit address 1~30.
b
Remove the short plug (CN031, 2P Black, location: right bottom on the outdoor control PCB) from all
outdoor units except one.
For a system without link, set the R.C. address number to 1 and retain the short plug CN031.
Example,
R.C. address
S002
CN031
1
1
off
off
short (for a system without link)
12
2
off
on
open (for a system with link)
23
3
on
off
open (for a system with link)
●
Setting of indoor control PCB
No setting necessary.
Each indoor unit address (UNIT No: R.C. - No.) is decided after Auto. address operation.
Manual setting for indoor unit address can also be performed with the remote controller.
●
Check items before the test run
1
Turn on all power supply switches more than 5 hours before in order to charge the crank-case heater.
2
Fully open the outdoor service valve after making the leak inspection of field connected tubing,
vacuuming, and gas charging.
11-2.
PCB Setting & Test Run
●
Setting of outdoor control PCB
(A)
Set the number of indoor units which are con-
nected to the outdoor unit in S004.
a
For example in the case of 13, set “D” in
S004.
b
If the number of indoor units and the num-
ber of set switches are identical, the LED: 1
to 8 (9~16) light up matching the number of
indoor units.
c
If the outdoor alarm LED (yellow) and LED:
2, 3, 6 light up when operating the indoor
unit, it is a combination fault. Check the
number of connected indoor units.
*(Remote controller shows the alarm of
display).
1
S004 (RED) :
Setting SW for number of
indoor units (1~16 or 1~10).
2
S002 (BLK) :
Setting SW for R.C. address of
the outdoor unit (0~9).
3
S003 :
Setting SW for R.C. address of
the outdoor unit (10, 20).
4
RED LED 1 ~ 8 :
Message lamp
5
RED LED (9 ~ 10) : Message lamp
(only for 70, 90 type)
6
D001 (RED) :
Power lamp
7
D083 (Yellow) :
Outdoor unit alarm lamp
8
S001 :
A. ADD (Auto. address) button
S004
8 7
6 5
4 3
2 1
16 15
14 13
12 11
10 9
S003
10
20
on
off
S002
S001
A.ADD
0186_C_I
3
4
5
6
7
2
8
1
S003
20
10
Refrigerant Circuit No. (R.C. address)
Indoor unit No.