1 Readout of the setup data from EEPROM
(Data in EEPROM contents, which have been changed at the local site, are read out together with data in
EEPROM set at shipment from the factory.)
1. Push
SET
,
CL
and
TEST
button of the remote controller at the same time for 4 seconds or more.
1
(Corresponded with No. in remote controller as shown below picture.)
• When group operation, the header indoor unit address is displayed at the first time. In this time, the
CODE No. (DN)
10
10
10
10
10
is displayed. The fan of the second indoor unit operates and the louver starts
swinging if any.
2. Every pushing [Unit, Louver
UNIT LOUVER
] button, the indoor unit address in the group are displayed successively.
2
Specify the indoor unit No. to be replaced.
3. Using the set temperature
/
buttons, the CODE No. (DN) can be moved up and down one by one.
3
4. First change the CODE No. (DN) from
10
10
10
10
10
to
01
01
01
01
01
. (Setting of filter sign lighting time.)
Make a note of the set data displayed in this time.
5. Next change the CODE No. (DN) using the set temperature
/
buttons.
Also make a note of the set data.
6. Repeat item 5. and made a note of the important set data as shown in the below table.
•
01
01
01
01
01
to
AA
AA
AA
AA
AA
are provided in the CODE No. (DN). On the way of operation, DN No. may skip.
7. After finishing making a note, push
TEST
button to return to the usual stop status.
4
(Approx. 1 minute is required to be able to use the remote controller.)
2 Replacement of service P.C. board
1. Replace the P.C. board with a service P.C. board.
In this time, setting of jumper line (cut) or setting of DIP switch on the former P.C. board should be reflected
on the service P.C. board.
Refer to the following table about DIP switch setting and drawing of P.C. board parts layout.
2. It is necessary ti set indoor unit to be exchanged : Remote controller = 1 : 1
Based upon the system configuration, turn on power of the indoor unit with one of the following items.
1) Single (Individual) operation
Turn on power of the indoor units and proceed to
3
.
2) Group operation
A) In case that power of the exchanged indoor unit only can be turned on.
Turn on power of the exchanged indoor unit only and proceed to
3
.
B) In case that power of the indoor units cannot be turned on individually. (
CASE 1
)
a) Remove temperature the group wire connected to the terminal blocks A and B of the exchanged
indoor unit
b) After connecting the remote controller wire only to the removed terminal block, turn on power of
the indoor units and proceed to
3
.
• When the above methods cannot be used, follow at the
CASE 2
below.
Minimum requirements or CODE No.
DN
11
12
13
14
Contents
Indoor unit capacity
Refrigerant line address
Indoor unit address
Group address
Capacity of the indoor unit is necessary to set the
revolutions of the fan.
4
3
1
2
TEMP.
ON / OFF
SET
TIME
TEST
FILTER
RESET
CL
SAVE
SWING/FIX
VENT
UNIT LOUVER
CODE No.
UNIT No.
R.C. No.
TIMER SET
MODE
FAN
SET DATA
SETTING
FILE NO. SVM-17045
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