Sample Control Wiring - Mitsubishi Electric PUHY-P200 Service Handbook

[ 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
OS2 OS1
53 52
TB3
TB3 TB7
M1 M2 M1 M2 S 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.
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 200 model or above is connected) are con-
nected.
HWE10040
L2
Leave the male
connector on
CN41 as it is.
SW2-1 OFF
OC
51
TB3
TB7
TB7
S S
M1 M2 M1 M2 M1 M2
L3
Group Group
IC
01
TB5 TB15
S 1 2
M1 M2
A B
MA
L12
Group
IC
03
TB5 TB15
M1 M2 S 1 2
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.
- 30 -
Interlock operation with
the ventilation unit
L4
LC
IC
02 05
TB5 TB15 TB5
S 1 2 S
M1 M2 M1 M2
A B
MA
L13
LC
IC
04 06
TB5 TB15 TB5
M1 M2 S 1 2 M1 M2 S
GB