Toshiba RAV-HM301SDTY-E Service Manual page 55

The setting data modified on the site, other than factory-set value, stored in the EEPROM shall be read out.
[1] Setting data read out from EEPROM
SET CL
Step 1
Push , and
The setting data modified on the site, other than factory-set value, stored in the EEPROM shall be read out.
When the group operation control is performed, the unit No. displayed for the first time is the header unit
Step 1
Press and ▼ button on the remote control simultaneously for more than 10 seconds.
█
No. At this time, the CODE No. (DN) shows "
* In the air-conditioning group control mode,
operation and the swing operation also starts if it has the louvers.
1 is the piping system address (the value of the refrigerant piping system is the same as the number
of outdoor units, and one outdoor unit is displayed as 1).The indoor unit address represented by N
Step 2
Every time when the
is the main indoor unit address.
order. Specify the indoor unit No. to be replaced.
* In the non-group control mode (only one indoor unit), only 1-1 is displayed on the left.
1. Change the CODE No. (DN) from
Step 2
Push ▼ or ▲ button to adjust the indoor unit number. The indoor unit number in the group control will
setting. (This is the setting for the filter sign lighting time.)
be changed cyclically. Select an indoor unit to change the settings and push
At this time, be sure to write down the setting data displayed.
1. Change the CODE No. (DN) to
2. Change the CODE No. (DN) by pushing
(this is the setting for the filter sign lighting time.)
Similarly, be sure to write down the setting data displayed.
At this time, be sure to write down the setting data displayed.
3. Repeat the step 2-2 to set the other settings in the same way and write down the setting data as shown
2. Change the CODE No. (DN) by pressing ▼ / ▲ buttons for the temperature setting.
in the table 1 (example) on page 104.
Similarly, be sure to write down the setting data displayed.
• The CODE No. (DN) are ranged from "
3. Repeat the step 2-2 to set the other settings in the same way and write down the setting data
Step 3 in as shown the table 1 (example) on page 4.
After writing down all setting data, push
(It takes approx. 1 min until the remote controller operation is available again.) The CODE No. (DN) are ranged from
Step 3
After writing down all setting data, press
CODE No. required at least
(It takes approx. 1 min until the remote control operation is available again.)
Contents
DN
10 Type
CODE No.required at least
11 Indoor unit capacity
DN
10
12 System address
11 Indoor unit capacity
13 Indoor unit address
System address
12
14 Group address
13 Indoor unit address
Group address
14
High ceiling SW
5d
[2] P.C. Board for indoor unit servicing replacement procedures
The country designed for
E0
Step 1
Replace the P .C. board for indoor unit servicing.
At this time, perform the same setting of the jumper wire (J01) setting (cut), switch SW501 (short-circuit)
connector CN34 as the setting of the P.C. board before replacement.
Step 2 It is necessary to set indoor unit to be exchanged: Remote controller = 1 : 1
[2] P.C. Board for indoor unit servicing replacement procedures
Based upon the system configuration, turn on power of the indoor unit with one of the following items.
Step 1
Replace the P.C. board to the P.C. board for indoor unit servicing.
1) Single (Individual) operation. Turn on power of the indoor units and proceed to [3].
At this time, perform the same setting of the jumper wire (J01,J08,J09) setting (cut), switch SW501 (short-circuit),
2) Group operation
connector CN34 as the setting of the P.C. board before replacement.
A) In case that power of the exchanged indoor unit only can be turned on
Step 2
It is necessary to set Indoor unit to be exchanged: Remote controller = 1:1
Turn on power of the exchanger indoor unit only and proceed to [3].
Based upon the system configuration, turn on power of the indoor unit with one of the following items.
B) In case that power of the indoor units cannot be turned on individually
1) Single (Individual) operation
Turn on power of the indoor units and proceed to [3].
a) Remove temporarily the group wire connected to the terminal blocks A and B of the exchanged
2) Group operation
indoor unit.
A) In case that power of the exchanged indoor unit only can be turned on.
b) After connecting the remote controller wire only to the removed terminal block, turn on power of
Turn on power of the exchanged indoor unit only and proceed to [3].
the indoor units and proceed to [3].
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
When the above methods cannot be used, follow to the two cases below.
indoor unit.
C) In case that power of the indoor units cannot be turned in individually b) After connecting the remote controller wire only to the removed terminal block, turn on power of
the indoor units and proceed to [3].
a) Remove all CN41 connectors of the indoor units in the same group except those of the ex-
*When the above methods cannot be used, follow to the (case 2) below.
changed indoor unit.
C) In case that power of the indoor units cannot be turned in individually.
a) Remove all CN41 connectors of the indoor units in the same group except those of the exchanged
b) Turn on power of the indoor units and proceed to [3].
indoor unit.
After [3] operation has finished, be sure to return the temporarily removed group wire or CN41
b) Turn on power of the indoor units and proceed to [3].
connector to the original connection.
Indoor unit
P.C. board
A B
Group wire
*After [3]. operation has finished, be sure to return the temporarily removed group wire or CN41 connector to the original connection.
TEST
buttons on the remote controller simultaneously for more than 4 seconds.
UNIT LOUVER
button is pushed, the indoor unit No. under the group control is displayed in
1. The CODE No. for the Indoor unit type and Indoor unit capacity
are required to set the rotation number setting of the fan.
1. The CODE No. for the Indoor unit type and Indoor unit capacity
2. If the system/indoor/group addresses are different from those
Contents are required to set the rotation number setting of the fan.
before replacement, the auto-address setting mode starts and the
Type
2. If the system/indoor/group addresses are different from those
manual resetting may be required again.
before replacement, the auto-address setting mode starts and the
manual resetting may be required again.
(When the multiple units group operation including twin system)
(Case 1)
Service P.C. board of
Indoor unit the unit to be changed
A B
Remove the group wire
of the terminal blocks
Remote A and B of the changed
controller indoor unit and then install
the remote controller only.
" . Also, the fan of the indoor unit selected starts its
and the indoor unit No.1-N are displayed first.
to by pushing
by pressing ▼ / ▲ buttons for the temperature setting.
/ buttons for the temperature setting.
" to " ". The CODE No. (DN) may skip.
TEST
button to return to the normal stop status.
to . The CODE No. (DN) may skip.
button to return to the normal stop status.
Indoor unit
P.C. board
CN41
A B
Remove CN41 connectors of the
indoor units other than the units
to be changed in the same group.
– 101 –
– 55 –
buttons for the temperature
/
button to confirm.
CN34
(Red) SW501
IC501
J08
CN504
J01
(White)
Connector (CN504)
for drain pump
(Case 1)
(Case 1)
(Case 2)
(Case 2)
(Case 2)
Indoor unit
A B A B
Group wire
Remote
controller
C08
IC503
MCC-1643
J09
Service P.C. board of
the unit to be changed