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[ II Restrictions ]
29- 29 -
HWE09080 GB
2. An example of a system with one heat source unit to which 2 or more LOSSNAY units are connected
(manual address setup for both indoor and heat source units) <PQHY>
(1) Sample control wiring
(2) Cautions
1) ME remote controller and MA remote controller cannot
both be connected to the same group of indoor units.
2) No more than 2 MA remote controllers can be connected
to a group of indoor units.
3) A transmission booster is required in a system to which
more than 32 indoor units (26 units if one or more indoor
units of the 72 model or above is connected) are con-
nected.
(3) Maximum allowable length
1) Indoor-heat source transmission line
Same as [5] 1.
2) Transmission line for centralized control
No connection is required.
3) MA remote controller wiring
Same as [5] 1.
L2
TB3
51 52
TB7
S
TB3
TB7
S
IC
TB5
S
TB
15
1 2
01
IC
TB5
S
TB
15
1 2
02
A B
MA
A B
MA
LC
TB5
S
05
IC
TB5
S
1 2
TB
15
IC
TB5
S
TB
15
1 2
04 03
LC
TB5
S
06
A B
MA
Group Group
Group
M1 M2 M1 M2 M1 M2
M1 M2 M1 M2 M1 M2
L11
L3 L4
L12 L13
53
TB7
M1 M2 M1 M2 M1 M2 M1 M2 M1 M2 M1 M2
S
TB3
L1
OC OS1 OS2
Leave the male
connector on
CN41 as it is.
SW2-1 OFF
Leave the male
connector on
CN41 as it is.
SW2-1 OFF
Leave the male
connector on
CN41 as it is.
SW2-1 OFF
Interlock operation with
the ventilation unit