Med Static Pressure Duct Unit - Haier MRV II Instruction Manual

2.2 Med static pressure duct unit

S mbol y Description
Fan Motor
FM
Running Capacitor
RC
Transformer
TR
TA
Ambient Temperature Sensor
TC1
Gas Pipe Temperature Sensor
Liquid Pipe Temperature Sensor
TC2
TW1 Terminal block (Power)
CN17Y
Terminal block (Control)
TW2
Electronic Expansion Valve
EEV
WIRING DIAGRAM OF INDOOR UNIT
FS
Q0
- 141 -
CN16
CN14
CN13 1 2
2 3
1
Y 1 2 G
W 2 3
1
1
10
LED3LED4
1 2 3 4 5 6
CN33
2 9
1 3 4 5 6
2
8
7
1 1 1 2 3 4 5 6
6
EEV
RC
1 2 CN10 CN9
1 3 4 5 6 1 2 3 4 5 6
2
1 2 R W
1 2 3 4 5 6 1 2 3 4 5 6
CN8 W
7 7
5 5
1 3 4 5
2
3 3
1 2 3 4 5
SW08
1 1
CN11
SW07
R
1 1
Malfunction Code indication by Wired Remote Controller
The Flash Times
Malfunction
of LED5 on the
Code
the PCB/Timing
LED on the
FM
Wireless Receiver
Y/G
M Indoor ambient temp.
RC
01 1
sensor TA failure
~
Indoor gas pipe temp.
FM 02
2
sensor TC1 failure
Indoor liquid pipe temp.
3
03
~
sensor TC2 failure
Y/G
Indoor twin energy
RC
04
4
source sensor failure
Part 4
0010578437
Malfunction Contents