Wiring Design; System Configurations - Mitsubishi Electric QAHV-N136TAU-HPB Data Book

5. Wiring Design

5-1. System Configurations

5. Wiring Design
1. Types of control cables
Remote controller cable
M-NET cable between units *1
External input wire size
External output wire size
*1. Use a CVVS or CPEVS cable (Max. total length of 200 m (656 ft)) if there is a source of electrical interference near by (e.g., factory) or the total length of
control wiring exceeds 120 m (393 ft).
*2. When the wiring length exceeds 10 m (32 ft), use wire of 1.25 mm² (AWG 16).
2. System Configuration
(1) Individual system
* Each unit is operated individually by connecting a dry contact switch/relay to each unit.
External
temperature
sensor
Field-supplied dry contact
switch/relay or remote
controller (PAR-W31MAA) or
centralized controller (AE-200)
(2) Multiple system (2-16 units)
* A group of unit that consists of one main unit and up to 15 sub units is operated collectively by connecting an external
water temperature sensor and a dry contact switch/relay to the main unit.
External
temperature
sensor
Field-supplied dry contact
switch/relay or remote
controller (PAR-W31MAA) or
centralized controller (AE-200)
MEES22K030
Size
Recommended cable types
Size
Recommended cable types
Unit (MAIN circuit)
PCB
Field-supplied dry contact
switch/relay or remote
controller (PAR-W31MAA) or
centralized controller (AE-200)
Unit (MAIN circuit)
PCB
MAIN unit
Inter-unit wiring
(M-NET line)
0.3 - 1.25 mm² (AWG 22 - 16) (Max. 200 m (656 ft) total)*2
Min. 1.25 mm² (AWG 16) (Max. 120 m (393 ft) total)
Shielded cable CVVS, CPEVS or MVVS
Min. 0.3 mm² (AWG 22)
1.25 mm² (AWG 16)
Unit (MAIN circuit)
External
PCB
temperature
sensor
Unit (MAIN circuit)
PCB
SUB unit
Inter-unit wiring
(M-NET line)
CVV
Unit (MAIN circuit)
PCB
SUB unit(s)
n units
44