Mitsubishi Electric PUHY-HP200 Service Handbook page 37

[ II Restrictions ]
2. An example of a system with one outdoor unit to which 2 or more LOSSNAY units are connected
(manual address setup for both indoor and outdoor units)
(1) Sample control wiring
L1
Leave the male Leave the male
connector on connector on
CN41 as it is. CN41 as it is.
SW2-1 OFF SW2-1 OFF
OS
52
TB3 TB7
S
M1 M2 M1 M2
(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.
HWE08110
L2
Group
OC
51
TB3
TB7
M1 M2 M1 M2 S
Group
L3
Group
IC
01
TB5 TB15 TB5
M1M2 S 1 2 M1 M2 S
A B
MA
L12
IC IC
03 04
TB5 TB15 TB5
S 1 2 S
M1M2 M1M2
A B
MA
(3) Maximum allowable length
1) Indoor/outdoor 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.
- 28 -
Interlock operation with
the ventilation unit
L4
LC
IC
02 05
TB15 TB5
1 2 M1 M2 S
A B
MA
L13
LC
06
TB15 TB5
1 2 S
M1M2
GB