– 134 –
2) Turn on dip switch 2 of SW30 on the interface P.C. board of the header outdoor unit if the switch is OFF.
(Leave it as it is if it has already been set to ON.)
2
Turn on the indoor and outdoor units of the refrigerant line for which you want to initialize the
addresses. About one minute after turning on the power, confirm that the 7-segment display on
the header outdoor unit indicates “U.1. - - -” and operate the interface P.C. board on the header
outdoor unit of the refrigerant line as follows.
3
Confirm that the 7-segment display indicates “A.d. c.L.” and set SW01, SW02 and SW03 to 1, 1, 1
respectively.
4
After a time “U.1.L08” appears on the 7-segment display if the address clearing has been
completed successfully.
If the 7-segment display indicates “A.d. n.G.”, the outdoor unit may still connected with other
refrigerant lines. Check the connection of the relay connectors between [U1, U2] and [U3, U4].
NOTE
Take care to carry out the procedure above correctly; otherwise, addresses in other refrigerate lines may also be
cleared.
5
Set the addresses again after finishing the clearance.
s
e
s
s
e
r
d
d
a
e
l
b
a
r
a
e
l
C
4
0
W
S
3
0
W
S
2
0
W
S
1
0
W
S
2
1
2
Confirm that the 7-segment display indicates
“A.d.buS” and turn SW04 ON for more than five
seconds.
System/indoor unit/group address
2
2
2
Confirm that the 7-segment display indicates
“A.d.nEt” and turn SW04 ON for more than five
seconds.
Central control address
U3 U4
U1 U2
U5 U6
U1 U2
A
B
U3 U4
U1 U2
U5 U6
U1 U2
A
B
U3 U4
U1 U2
U5 U6
U1 U2
A
B
U3 U4
U1 U2
U5 U6
U1 U2
A
B
U3 U4
U1 U2
U1
U3
U2
U4
U5 U6
U1 U2
A
B
Central remote
controller
Header
unit
Follower unit
Follower unit
Remote
controller
Remote
controller
Remote
controller
Remote
controller
Indoor units to have their addresses initialized
Header
unit
Header
unit
Summary of Contents for MMY-MAP0804HT7JP
Page 23: ... 22 1 Wiring Diagrams 1 1 Outdoor Unit Models MMY MAP0804 MAP1004 and MAP1204 ...
Page 24: ... 23 Models MMY MAP1404 and MAP1604 ...
Page 35: ... 34 1 2 10 Slim Duct Type AP024 AP027 Models MMD AP0244SPH MMD AP0274SPH ...
Page 38: ... 37 1 2 13 High Wall Type 3 series Models MMK AP0073H AP0093H AP0123H AP0153H AP0183H AP0243H ...
Page 52: ... 51 2 5 Parts Layout in Outdoor Unit 8 10 12HP Model MMY MAP0804 MAP1004 MAP1204 ...
Page 53: ... 52 14 16HP Model MMY MAP1404 MAP1604 ...
Page 57: ... 56 2 7 2 Inverter P C board for compressor MCC 1596 A3 IPDU ...
Page 323: ......