40
Schematic Diagram
8.2.2 Outdoor Unit
● Top View
1
2
3
4
5
6
7
8
9
10
11
12
13
NO. Silk scren name
Connector
Function note
1
U(BU),
V(YE),W(RD) Compressor interface
Used to connect the compressor: U (BU) - (YE) - yellow blue, V, W (RD) - red
2
OVL
Overload interface
Used to connect the compressor overload protector, the two white lines. Random selection
3
EEV
4
TEMP
Temp.sensor interface
Used to connect to the six core thermal package: tube temperature (20 k @ 25
đ
),
the outer ring temperature (15 k @ 25
đ
), exhaust (50 k @ 25
đ
)
5
OFAN,OFAN1 Fan interface
Used to connect to external fan
6
HEAT-C
Compression mechanical and
electrical heated interface
Used to compress the mechanical and electrical heating zone
7
HEAT-B
Chassis electrical heating zone interface Used for chassis electrical heating zone
8
F-WAY
4-way-valve interface
4-way-valve
9
COM
Communication line
Used to communicate with the indoor unit
10
AC-L
Power supply line
Used to connect to the power supply line
11
AC-N
Power supply wiring
Used to connect the power supply wiring
12
PE
Power supply ground line
Used to connect the power supply ground line
13
RE-1
RE-2
Reactor connecting
Used to connect the reactor
