Toshiba MMK-AP0072H Service Manual page 119

2. Every pushing
UNIT
Specify the indoor unit No. to be replaced.
3. Using the set temperature
3
one.
4. First change the item code (DN) from
data displayed in this time.
5. Next change the item code (DN) using the set temperature
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.
))
∗
to are provided in the item code (DN). On the way of operation, DN No. may skip.
7. After finishing making a note, push
(Approx. 1 minute is required to be able to use the remote controller.)
SET DATA
4
1
SET
H2 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 to 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
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
B) In case that power of the indoor units cannot be turned on individually. (
a) Remove temporarily 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
∗ When the above methods cannot be used, follow at the
[UNIT] button, the indoor unit address in the group are displayed successively.
/ buttons, the item code (DN) can be moved up and down one by
to
button to return to the usual stop status.
UNIT No.
R.C. No.
UNIT
CL
H3
.
. (Setting of filter sign lighting time) Make a note of the set
/
Minimum requirements for item code
DN
11
12
13
3
14
Capacity of the indoor unit is necessary to set
2 the revolutions of the fan.
H3
.
H3
Case 2
119
FILE NO. SVM-05052
buttons.
4
Contents
Indoor unit capacity
Refrigerant line address
Indoor unit address
Group address
.
Case 1
)
below.
2