Mitsubishi Electric PWFY-P-NMU-E-AU Engineering Manual page 30

11. SYSTEM DESIGN
PWFY-P36,72NMU-E-AU with Y-Series Outdoor Units
PUHY-P-YSHMU
OC OS1
T B 7 TB7 T
51 52
CN40 CN41 CN40 CN41 CN40
DipSW2-1 DipSW2-1 DipSW2-1
ON ON
TB3 TB3 TB3
201
SC
PSU
*2
*1 For Wireless R/C and Signal receiver unit (SRU), channel 1, 2 and 3 are selectable and should be set to same channel.
*2 System controller should connect to TB7 at Outdoor and use power supply unit together in Multi-Refrigerant-System.
NOTE:
1. Outdoor units OC, OS1 and OS2 in one refrigerant circuit system are automatically detected.
OC, OS1 and OS2 are ranked in descending order of capacity. If units are the same capacity, they are ranked in ascending order
of their address.
2. Address should be set to Indoor units, LOSSNAY and central controller.
3. M-NET power is supplied by the Outdoor unit at TB3, while Indoor unit and MA consume the M-NET power for transmission use.
For details, refer to "System configuration restrictions".
PWFY-30 PWFY-P-NMU-E-BU/PWFY-P-NMU-E-AU (Sept. 2010)
PUHY-P-YSHMU
OS2 OC OS1
B 7 T B 7 T B 7
53 91
CN41 C N 0 4 CN41 CN40
DipSW2-1 DipSW2-1
ON ON
TB3 TB3
G o r u p 1
PWFY-P36NMU-E-AU
PWFY-P72NMU-E-AU
Indoor unit
0 1 0 2
T B 5 TB15 T B 5
*1
MA
WMA
*1
Wireless R/C
G o r u p 3 1
PWFY-P36NMU-E-AU
PWFY-P72NMU-E-AU
41 42
T B 5 TB15 T B 5
WMA MA
PUHY-P-YHMU
OC
TB7
92 97
CN41 CN40 C N 1 4
DipSW2-1
ON ON
TB3
Group 2
PWFY-P36NMU-E-AU
PWFY-P72NMU-E-AU
0 3
B T 5 1 T B 5 B T 5 1 T B 2
Transmission Booster
PAC-SF46EPA
Group 32 G o r
LOSSNAY
45
43
T B 5 T B 5
SRU
Wireless R/C
G o r u p 2 1
3 0
T 3 B TB5 TB15
MA
(Main)
u p 3 3 G o r u p 3 4
46
TB15 T B 5 TB15
*1
MA MA
(Main) (Sub)
*1