Carrier RAV-SP180UT-UL Service Manual page 106

[1] SET DATA read out from EEPROM
The SET DATA modified on the site, other than factory-set value, stored in the EEPROM shall be read out.
Step 1 Push , and
SET CL
∗ When the group operation control is performed, the unit No. displayed for the first time is the header unit No.
At this time, the CODE No. (DN) shows "
and the swing operation also starts if it has the louvers.
Step 2 Every time when the
order. Specify the indoor unit No. to be replaced.
1. Change the CODE No. (DN) to
setting. (this is the setting for the filter sign lighting time.)
At this time, be sure to write down the SET DATA displayed.
2. Change the CODE No. (DN) by pushing
Similarly, be sure to write down the SET DATA displayed.
3. Repeat the step 2-2 to set the other settings in the same way and write down the SET DATA as shown
in the table 1 (example).
∗ The CODE No. (DN) are ranged from "
Step 3 After writing down all SET DATA, push
(It takes approx. 1 min until the remote controller operation is available again.)
CODE No. required at least
CODE No. (DN) Contents
10
11 Indoor unit capacity
12 System address
13 Indoor unit address
14 Group address
[2] P.C. Board for indoor unit servicing replacement procedures
Step 1 Replace the P .C. board to the P .C. board for indoor unit servicing.
At this time, perform the same setting of the jumper wire (J01) setting (cut), switch SW501
(4-Way Air Discharge Cassette Type), (short-circuit) connector CN34 (Under Ceiling Type) as the setting of
the P .C. board before replacement.
Step 2 According to the system configuration, turn on the indoor unit following to the either methods shown below.
a) Single operation (Indoor unit is used as standalone.)
Turn on the indoor unit.
1. After completion of the auto-address setting mode (required time: approx. 5 min.), proceed to [3].
(System address = 1, Indoor unit address = 1, Group address = 0 (standalone) are automatically set.)
2. Push
SET
setting mode, and proceed to [3]. (The unit No. "
b) Group operation
Turn on the indoor unit(s) with its P .C. board replaced to the P .C. board for indoor unit servicing, accord-
ing to either methods 1 or 2 shown below.
1. Turn on only the indoor unit with its P .C. board replaced. (Be sure to confirm the remote controller is
surely connected. If not, the operation [3] cannot be performed.)
Perform either methods 1 or 2 described in item a) above.
2. Turn on the multiple indoor units including the indoor unit with its P .C. board replaced.
• All group connections
After completion of the auto-address setting mode (required time: approx. 5 min.), proceed to [3].
∗ The header unit of the group may be changed by performing the auto-address setting.
Also, the system address/Indoor unit address of the indoor unit with its P .C. board replaced may be
assigned to the addresses (not used) other than those of the indoor units without its P .C. board replaced.
It is recommended to keep the information in advance, which cooling system the indoor unit belongs to or
whether the indoor unit works as the header unit or the follower unit in the group control operation.
button on the remote controller simultaneously for more than 4 seconds.
TEST
UNIT LOUVER
button is pushed, the indoor unit No. under the group control is displayed in

→
TEST
1. The CODE No. (DN) for the Indoor unit type and Indoor unit capacity
are required to set the rotation number setting of the fan.
Type
2. If the system/indoor/group addresses are different from those before
replacement, the auto-address setting mode starts and the manual
resetting may be required again.
(when the multiple units group operation.)
, and buttons simultaneously for more than 4 seconds to interrupt the auto-address
CL TEST
". Also, the fan of the indoor unit selected starts its operation

by pushing /
/ buttons for the temperature setting.
 ..
" to " ". The CODE No. (DN) may skip.
button to return to the normal stop status.
 
" is displayed.)
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buttons for the temperature