Midea VRF Service Manual

One-way Cassette MCAC-VTSM-2016-05
10 Indoor Unit
6. Wiring Diagrams
MDV-D18Q1/VN1-D MDV-D22Q1/VN1-D MDV-D28Q1/VN1-D MDV-D36Q1/VN1-D
TR
DM
FM
CS
XP1 XS1
XP2 XS2
XP3 XS3
XYE
PQE
CN10CN15CN20CN5
CN25
SW5
SW1
SW6
ENC1
CN1
CN22
CN14
CN8
CN6
CN7
CN12
CN13
CN2
CN18
CN4
CN11
CN17
SW7
J1
J2
SW2
202084190081
E Q P
To centralized
controller
communication
AC 208-230V 60Hz
Wiring plate
Attention! For wiring
convenience, two
communicative
terminals
can be pulled out from
wiring plate.
White
White(Grey)
Connect the
outer network
module, short
connect if no
this module.
To new display
panel
maincontrolboard
To outdoor unit
communication
E Y X
GM
T1 T2 T2B
PMV
L N
NL
CN1
CN3
CN9
CN4
CN6
CN5
MDV-D45Q1/VN1-D MDV-D56Q1/VN1-D MDV-D71Q1/VN1-D
maincontrol panel
DM
T2B
T2T1
FM
White(Grey)
White
GM2
CS
PMV
To new display
panel
Connect the
outer network
module, short
connect if no
this module.
XP1XS1
XP2XS2
XP3XS3
CN10CN15CN20CN5
CN25
SW5SW1 SW6ENC1
CN1
CN22
CN14
CN8
CN6
CN7
CN12
CN13
CN2
CN18
CN4
CN11
CN17
J1 J2
SW2
GM1
CN9
TRANSFORMER
XYEPQ
L N
Red
LN
ON ON ON ON
To outdoor unit
communication
To centralized
controller
communication
AC 208-230V 60Hz
AC 220-240V 50Hz
Blue
White
Blue
Black
Yellow
Grey
202084490071
Brown
Red
TR

Midea VRF Specifications

General

Type	VRF (Variable Refrigerant Flow)
Brand	Midea
Control	Centralized controller, BMS integration, individual remote controllers
Refrigerant	R410A or R32
Indoor Unit Types	ducted, floor standing, wall-mounted, ceiling cassette
Outdoor Unit Noise Level	55-65 dB(A)
Indoor Unit Noise Level	22-45 dB(A) (dependent on model and fan speed)