Switch Settings And Address Settings - Mitsubishi Electric PUHY-P72 Service Manual

[ II Restrictions ]
2) Remote controller wiring
Type
Number of
cores
Cable type
Cable size
Maximum overall line
length
*1 MA remote controller refers to MA remote controller (PAR-20MAA, PAR-21MAA), MA simple remote controller, and
wireless remote controller.
*2 M-NET remote controller refers to ME remote controller and ME simple remote controller.
*3 The use of cables that are smaller than 0.75mm
*4 When connected to the terminal block on the Simple remote controller, use cables that meet the cable size specifi-
cations shown in the parenthesis.

[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 M-NET 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
M-NET 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.
HWE0804A
MA remote controller
CVV
2-core cable
2 *3
0.3 to 1.25mm
[AWG22 to 16]
2 *4
(0.75 to 1.25mm )
[AWG18 to 16]
200 m [656ft] max.
2
(AWG18) is recommended for easy handling.
Symbol
Main/sub unit IC
*1
LC
IC
Main/sub remote RC
controller
Main/sub remote MA
controller
*2
OC,OS1,OS2
- 19 -
*1
M-NET remote controller
CVV
2-core cable
2 *3
0.3 to 1.25mm
[AWG22 to 16]
(0.75 to 1.25mm
[AWG18 to 16]
The section of the cable that exceeds 10m
[32ft] must be included in the maximum in-
door-outdoor transmission line distance.
Units to which the power must be shut off
*3
Outdoor units and Indoor units
*3
Outdoor units and LOSSNAY
*3
Outdoor units or field supplied air handling
unit
*3
Outdoor units
Indoor units
*3
Outdoor units
*2
2 *4
)
GB