MXZ-SM48NAMHZ Service Manual

137
OCH789
9-4. WIRING TRANSMISSION CABLES
9-4-1. Types of control cables
1. Wiring transmission cables
Types of transmission cables Shielding wire CVVS, CPEVS, or MVVS
Cable diameter More than 13.5 ft
2
[1.25 mm
2]
Maximum wiring length Within 656 ft [200 m]
2. M-NET Remote control cables
Types of remote control cable Shielding wire (2-core) CVVS, CPEVS, or MVVS
Cable diameter AWG 20 to AWG 16 [0.5 to 1.25 mm
2
]
Remarks
When 10 m is exceeded, use a cable with the same specications
as transmission line wiring.
3. MA Remote control cables
Type of remote control cable Sheathed 2-core cable (unshielded) CVV
Cable diameter
AWG 22 to AWG 16 [0.3 to 1.25 mm
2
]
AWG 18 to AWG 16 [0.75 to 1.25 mm
2
]*
Remarks Within 656 ft [200 m]
* Connected with simple remote controller.
9-4-2. Wiring examples
• Controller name, symbol and allowable number of controllers.
Name Symbol Allowable number of controllers
Outdoor unit controller OC ―
Indoor unit controller
CITY MULTI
series
M-IC
SM36 1 to 11 units per 1 OC
*1
SM42/48/60 1 to 12 units per 1 OC
*1
M, S, P
series
A-IC
SM36 2 to 4 units per 1 OC
*1
SM42 2 to 5 units per 1 OC
*1
SM48 2 to 8 units per 1 OC
*1
SM60 2 to 8 units per 1 OC
*1
Branch box BC ― 0 to 2 units per 1 OC
*1
Remote controller RC
M-NET RC
*2
Maximum of 12 controllers for 1 OC
*1
MA-RC Maximum of 2 per group
Note:
*1
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.
*2
Don’t use the Lossnay controller (PZ-61DR-E, PZ-43SMF-E, PZ-52SF-E, PZ-60DR-E).