AERMEC MVA - Wiring Diagram Key

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9.4. WIRING DIAGRAM KEY
KEY DESCRPTION
Indoor unit internal unity
Power Power supply
XT1 power Terminal
XT2 Terminal block serial links
M1 Fan motor
M2
Motor outlet fins (SWING)
M3
AP1 - Main Board main board
AP2 - Filter Board Tab filter feeding disorders
AP3 - Wired controller Attachment control panel
AP4 - Connection Board connections tab
AP5 - Display board Display Board Infrared indoor unit
L1 - L2 - Induttance Inductance
L Line
N Neutral
PE grounding
D1
Terminals serial link
D2
H1
Terminal connection control panels accessories
H2
Wired controller Panels flush command WRC
Optional accessory not supplied
RT2 - Outlet pipe Temp. Sensor indoor unit exchanger temperature sensor output
RT4 - Inlet pipe temp. sensor Temperature probe input indoor unit exchanger
RT1 - Room Temp. Sensor Room temperature sensor
EKR Electronic thermostatic valve
WH White
YEGN yellow green
RD red
VT Violet
GN green
BN Brown
BU blue
BK black
OG orange
5-core Electronic expansion valve
connect to CN20.
If the unit uses an electronic expansion valve 5 cables will be connected to the FB
terminal
6-core Electronic expansion valve
connect to CN19.
If the unit uses an electronic expansion valve 6 cables will be connected to terminal
FA