Address Setting - Mitsubishi Electric CITY MULTI PQRY-P200YMF-B Service Handbook

[2] Address setting

(1) Switch operation
In order to constitute CITY MULTI in a complete system, switch
operation for setting the unit address No. and connection No. is
required.
1 Unit address No. group No. and connection No.
The unit address No. is determined by the address setting
switch of the heat source unit, indoor unit and remote controller.
2 Caution for switch operations
1 Be sure to shut off power source before switch setting. If operated with power source on, switch can
not operate properly.
2
Address switch shall follow decimal system with 2 digits. Set 000 ~ 250
Heat source unit
Indoor unit
10
3 No units with identical unit address shall exist in one system. If set erroneously, system can not
operate.
(2) Address setting and switch operations
1 In case of system with a single system
(In case higher rank controller such as remote controller for centralized control is not connected)
Unit
Indoor unit
Heat source unit
BC controller
Remote controller
(Main)
Remote controller
(Sub)
MJ-103
Fresh Master
Lossnay unit
Remotecontroller
10
1
Address setting Example
01~50
10
51~99, 100
10
51~99, 100
10
1
101~150
Fixed
10
1
151~199, 200
Fixed
10
000, 201~250
100
1~50
10
1~50
10
Connection
No. setting
Indoor unit
Heat source unit
BC controller
Remote controller (Main)
Pair remote controller (Sub)
MJ-103
1
1
The smallest address of indoor unit in same refrigerant
system + 50
*If the address is to be 100, use "50."
1
The address of Heat source unit + 1
*If the address is to be 100, use "50."
1
The smallest address of indoor unit in the group + 100
*The place of "100" is fixed to "1"
1
The address of main remote controller + 50
*The address automatically becomes "200" if it is set as
"00"
1
10 1
· The Fresh Master system allows you to select opera-
tions using the remote controller or using the indoor
unit. Use the dip switch (SW3-1) to make this selection.
See the section "Fresh Master operation/Remote
controller switching" for settings.
· For operations using the remote controller, use the
1 same setting method as for the indoor unit.
· For operations using the indoor unit, settings should be
within the range 01 – 50, without respect to the group.
Set within the range 01 – 50 with no duplications.
1
–38–
Rotary switch
Unit address No. setting
01~50
51~99,100
51~99,100
101~150
151~199, 200
000, 201~250
Note