Midea V5 X VRF Series User Manual

R410A All DC Inverter V5 X Series 50Hz MCAC-VTSM-2015-10
120 Installation
7. Selection wire size based on the value of MCA
8. MFA is used to select the circuit breaker and the ground fault circuit interrupter (earth circuit breaker).
MCA: Min. Circuit Amps. (A); TOCA: Total Over-current Amps. (A); MFA: Max. Fuse Amps. (A); MSC: Max. Starting Amps. (A)
RLA: Rated Load Amps. (A); OFM: Outdoor Fan Motor; FLA: Full Load Amps. (A); KW: Rated Motor Output (KW)
13.3 Electrical wiring installation
Note:
 Separate power supply for indoor unit and outdoor unit.
 The power supply should have specified branch circuit with leakage protector and manual switch.
 The power supply, leakage protector and manual switch of all the indoor units connected to the same outdoor unit should be
universal. (All indoor unit power supplies should be tied into the same circuit. Powering on and shutting down all indoor units
connected to the same outdoor unit should be done simultaneously in order to ensure system life span)
 Please put the connective wiring system between indoor unit and outdoor unit with refrigerant piping system together.
 Use 3-core shielded wire as signal wire between indoor and outdoor units, multi-core wire is unavailable.
 Please comply with relevant local codes and standards..
 Power wiring should be done by professional electrician.
13.3.1 Outdoor unit power supply wiring
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
GND
GND
GND
GND
Branch box
Leakage
protector
Manual
switch
Leakage
protector
Manual
switch
GND
Branch box
Outdoor unit
GND
Outdoor unit
GND
Outdoor unit
GND
Outdoor unit
GND
Outdoor unit
GND
Outdoor unit
Power facilities 1
(with leakage protector)
Power facilities 2
(with leakage protector)

Midea V5 X VRF Series Specifications

General

Brand	Midea
Model	V5 X VRF Series
Category	Air Conditioner
Language	English