Switch Settings And Address Settings - Mitsubishi Electric PUHY-RP200 Service Handbook

[ II Restrictions ]

[3] Switch Settings and Address Settings

1. Switch setting
Refer to section "[5] An Example of a System to which an MA Remote Controller is connected - [7] An Example of a System
to which both MA Remote Controller and ME Remote Controller are connected" before performing wiring work.
Set the switches while the power is turned off.
If the switch settings are changed while the unit is being powered, those changes will not take effect, and the unit will not
function properly.
Units on which to set the switches
CITY MULTI indoor unit
LOSSNAY, OA processing unit
Air handling kit
ME remote controller
MA remote controller
CITY MULTI outdoor unit
*1. Applicable when LOSSNAY units are connected to the indoor-outdoor transmission line.
*2. The outdoor units in the same refrigerant circuit are automatically designated as OC, OS1, and OS2 in the order of
capacity from large to small (if two or more units have the same capacity, in the order of address from small to large).
*3. Turn off the power to all the outdoor units in the same refrigerant circuit.
HWE10010
Main/sub unit
*1
Main/sub remote
controller
Main/sub remote
controller
*2
Symbol Units to which the power must be shut off
IC Outdoor units
LC Outdoor units
IC Outdoor units
unit
RC Outdoor units
MA Indoor units
OC,OS1,OS2 Outdoor units
- 22 -
*3
and Indoor units
*3
and LOSSNAY
*3
or field supplied air handling
*3
*3
GB