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