Table of Contents
[ 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-21MAA), MA simple remote controller, and wireless re-
mote controller.
*2 The use of cables that are smaller than 0.75mm
*3 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 " 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
Indoor unit
MA remote controller
*1
Outdoor unit
*1. The outdoor units in the same refrigerant circuit are automatically designated as OC and OS 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).
*2. Turn off the power to all the outdoor units in the same refrigerant circuit.
HWE10190
MA remote controller
CVV
2-core cable
2
0.3 to 1.25mm
[AWG22 to 16] *2
2
(0.75 to 1.25mm
)
[AWG18 to 16] *3
200 m [656ft] max.
2
(AWG18) is recommended for easy handling.
Symbol
Main/sub unit
IC
Main/sub remote
MA
controller
OC,OS
- 19 -
*1
Units to which the power must be shut off
*2
Outdoor units
and Indoor units
Indoor units
*2
Outdoor units
GB
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