Wiring Of Main Power Supply And Equipment Capacity - Mitsubishi Electric City Multi PUMY-SP112VKM Manuel D'installation

6. Electrical work
System chart <mixed system with branch boxes and City Multi indoor units>
[1] Basic system
OC: Outdoor unit
BC: Branch box
M-IC: M-Net control Indoor unit (City Multi indoor unit)
A-IC: A-control indoor unit (M, P, S series indoor unit)
MA-RC: MA remote controller
OC
M-NET RC: M-NET remote controller
WL-RC: Wireless remote controller
BC (5-branch type) BC
A B C D E A
A-IC A-IC A-IC A-IC A-IC A-IC
MA-RC MA-RC WL-RC WL-RC WL-RC WL-RC
3 Group operation between A-control system and M-
NET control system
OC
(5-branch type)
BC
A B C D E
A-IC A-IC A-IC A-IC A-IC
WL-RC WL-RC WL-RC WL-RC

6.4. Wiring of main power supply and equipment capacity

Schematic Drawing of Wiring (Example) (Fig. 6-7)
■
PUMY-SP·VKM
A
~/N 220-230-240 V 50 Hz
~/N 220 V 60 Hz
■
PUMY-SP·YKM
A
3N~ 380-400-415 V 50 Hz
3N~ 380 V 60 Hz
18
(3-branch type)
M-IC
B C
A-IC A-IC
WL-RC WL-RC MA-RC
4 ME remote controller connection to a system that
contains a branch box
O C
BC (3-branch type)
A B
A-IC A-IC
M-IC
MA-RC MA-RC
MA-RC
NO
~/N 220-230-240 V 50 Hz
B
~/N 220 V 60 Hz
A Switch (Breakers for Wiring and Current Leakage)
B
B Outdoor Unit
C Branch box
[2] Incorrect systems
1 Group operation by MA
remote controller
O C
BC (3-branch type)
A B
M-IC
A-IC A-IC A-IC
MA-RC WL-RC
NO
MA-RC
1 Plural indoor units cannot be operated by a MA remote
C
controller.
2 Different refrigerant systems cannot be connected together.
A-IC
3 Different types control systems (A-IC/M-IC) cannot be con-
nected together.
M-NET 4 An M-NET remote controller cannot be connected to a
WL-RC
RC
system that contains a branch box.
NO
Fig. 6-6
A
Fig. 6-7
2 Group operation between different
refrigerant systems
O C
BC (3-branch type)
C A B C
A-IC A-IC
MA-RC
NO
D D
D A-control indoor unit (M, P, S series indoor unit)
E M-Net control Indoor unit (City Multi indoor unit)
F Pull Box
O C
BC (3-branch type)
A B C
A-IC
WL-RC
F
D D