127
OCH733
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
9-4. WIRING TRANSMISSION CABLES
M-NET remote controller
Use
Remote controller used in system control operations
• Group operation involving different refrigerant systems
• Linked operation with upper control system
Remote controller → indoor unit
2-core wire (non-polar)
Transmission wires
Wires connecting → indoor units
Wires connecting → indoor units with outdoor unit
Wires connecting → outdoor units
9-4-1. Types of control cables
1. Wiring transmission cables
Kind 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
Kind 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 specifications
as transmission line wiring.
3. MA Remote control cables
Kind 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
M-IC
PUMY-(H)P36 1 to 11 units per 1 OC
PUMY-(H)P48 1 to 12 units per 1 OC
PUMY-P60
1 to 12 units per 1 OC
Remote controller
RC
M-NET RC
Maximum of 12 controllers for 1 OC
MA-RC
Maximum of 2 per group
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.)
Содержание PUMY-HP36NKMU1
Страница 33: ...33 OCH733 6 WIRING DIAGRAM PUMY P36NKMU3 PUMY P48NKMU3 PUMY P36NKMU3 BS PUMY P48NKMU3 BS ...
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Страница 35: ...35 OCH733 PUMY HP36NKMU1 PUMY HP48NKMU1 ...
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