Design For Control Wiring; Wiring Transmission Cables; Types Of Control Cables; M-Net Remote Control Cables - Mitsubishi Electric PUMY-P200YKM Technical & Service Manual

9-3. DESIGN FOR CONTROL WIRING

Please note that the types and numbers of control wires needed by the CITY MULTI-S series will depend on the remote
controllers and whether they are linked with the system.
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
• Types of transmission cables: Shielding wire (2-core) CVVS, CPEVS or MVVS
• Cable diameter: More than 1.25 mm
• Maximum wiring length: Within 200 m

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
OCH575
Use
2
Shielding wire (2-core) CVVS, CPEVS or MVVS
0.5 to 1.25 mm
2
When 10 m is exceeded, use a cable with the same specifications
as transmission line wiring.
Sheathed 2-core cable (unshielded) CVV
0.3 to 1.25 mm 2 (0.75 to 1.25 mm
Within 200 m
Symbol Allowable number of controllers
OC
IC PUMY-P200
RC
(M-NET)
RC
MA
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 wires (non-polar)
)*
2
–
1 to 12 units per 1 OC
Maximum of 12 controllers for 1 OC
Maximum of 2 per group
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