Restrictions; Electrical Work & M-Net Control - Mitsubishi Electric PURY-P200 Service Handbook

City multi r410a
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™ ™ Restrictions
[1] Electrical Work & M-NET control
1. Attention
➀ Follow ordinance of your governmental organization for technical standard related to electrical equipment, wiring
regulations, and guidance of each electric power company.
➁ Wiring for control (hereinafter referred to as transmission line) shall be (5cm or more) apart from power source wiring so
that it is not influenced by electric noise from power source wiring. (Do not insert transmission line and power source wire
in the same conduit.)
➂ Be sure to provide designated grounding work to outdoor unit.
➃ Give some allowance to wiring for electrical part box of indoor and outdoor units, because the box is sometimes removed
at the time of service work.
➄ Never connect 380~415V(220~240V )power source to terminal block of transmission line.If connected,electrical parts
will be burnt out
➅ Use 2-core shield cable for transmission line. If transmission lines of different systems are wired with the same multiple-
core cable, the resultant poor transmitting and receiving will cause erroneous operations.
Outdoor
unit
OK
2-core cable
2-core cable
2. Types of control cable
Transmission cables
Shielding wire (2-core)
Type of cable
CVVS or CPEVS
Cable diameter
More than 1.25mm
Remarks
✻1 Connected with simple remote controller.
CVVS : PVC insulated PVC jacketed shielded control cable
CPEVS : PE insulated PVC jacketed shielded communication cable
CVV
Indoor unit
Remote
controller
BC controller
M-NET Remote controller cables
0.3 ~ 1.25mm
2
(0.75 ~ 1.25mm
When 10m is exceeded, use cables with
the same specification as transmission cables.
: PV insulated PVC sheathed control cable
- 18 -
Outdoor
unit
NO
Multiple-
core cable
MA Remote controller cables
Sheathed 2-core cable (unshielded)
CVV
2
0.3 ~ 1.25mm
) ✻1
2
(0.75 ~ 1.25mm
Max length : 200m
Indoor unit
Remote
controller
BC controller
2
) ✻1
2

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