Wiring Transmission Cables - Mitsubishi Electric CITY MULTI PQRY-P250 Installationshandbuch

9.3. Wiring transmission cables

1 Types of control cables
1. Wiring transmission cables
• Types of transmission cables
Shielding wire CVVS or CPEVS
• Cable diameter
2
More than 1.25 mm
• Maximum wiring length within 200 m
2. Remote control cables
Kind of remote control
2-core cable (unshielded)
cable
Cable diameter
When 10 m is exceeded, use cable with
Remarks the same specifications as (1) Transmis-
sion line wiring.
2 Wiring examples
Typical wiring examples are shown on pages 22 to 25 .
• Controller name, symbol and allowable number of controllers.
Name Symbol
Heat Source Unit Controller OC
BC Controller BC
Indoor Unit Controller IC
Remote Controller RC
2
0.5 to 0.75 mm
Allowable number of controllers
One controller for one OC
Two to sixteen controllers for one OC
Maximum of two per group
21