Mitsubishi Electric PUMY-P36NKMU3 Technical & Service Manual page 127

9-3. DESIGN FOR CONTROL WIRING
Please note that the types and numbers of control wires needed by MULTI-S series depend on the remote controllers
and whether they are linked with the system or not.
9-3-1. Selection number of control wires
Remote controller → indoor unit
Wires connecting → indoor units
Wires connecting → indoor units with outdoor unit
Wires connecting → outdoor units
9-4. WIRING TRANSMISSION CABLES
9-4-1. Types of control cables
1. Wiring transmission cables
Kind of transmission cables
Cable diameter
Maximum wiring length
2. M-NET Remote control cables
Kind of remote control cable
Cable diameter
Remarks
3. MA Remote control cables
Kind of remote control cable
Cable diameter
Remarks
* Connected with simple remote controller.
9-4-2. Wiring examples
Controller name, symbol and allowable number of controllers.
•
Name
Outdoor unit controller
Indoor unit controller
Remote controller
Note that the number of connectable units may be limited by some conditions such as an indoor unit's capacity or each unit's equivalent power consumption.
(Refer to DATA BOOK.)
OCH733
Use
Shielding wire CVVS, CPEVS, or MVVS
More than 13.5 ft [1.25 mm
2
Within 656 ft [200 m]
Shielding wire (2-core) CVVS, CPEVS, or MVVS
AWG 20 to AWG 16 [0.5 to 1.25 mm
When 10 m is exceeded, use a cable with the same specifications
as transmission line wiring.
Sheathed 2-core cable (unshielded) CVV
AWG 22 to AWG 16 [0.3 to 1.25 mm
AWG 18 to AWG 16 [0.75 to 1.25 mm
Within 656 ft [200 m]
Symbol
OC
PUMY-(H)P36 1 to 11 units per 1 OC
M-IC PUMY-(H)P48 1 to 12 units per 1 OC
PUMY-P60
M-NET RC
RC
MA-RC
M-NET remote controller
Remote controller used in system control operations
• Group operation involving different refrigerant systems
• Linked operation with upper control system
2-core wire (non-polar)
2]
]
2
2
]
]*
2
Allowable number of controllers
―
1 to 12 units per 1 OC
Maximum of 12 controllers for 1 OC
Maximum of 2 per group
127