Table of Contents
Advertisement
Instructions to installation
4 Wiring of indoor unit
The distance between the signal wires and the power cabes should be at least 50mm.
1(L) 2(N)
To other
indoor unit
Waring:
1.Incorrect address setting will cause abnormal to the system.
2.Communication cable must be use sheilded type.
Failure code
TROUBLE SHOOTING
(indoor unit)
Faulty temperature sensor Tai
Faulty temperature sensor Tc1
Faulty temperature sensor Tc2
Faulty temperature sensor Tm
Faulty EEPROM on indoor
unit PCB
Abnormal communication
between indoor and outdoor unit
P
A
Q
Communication cable (Shield wire):
H05RN-F 2X1.5 mm
Power cable : H05RN-F 3G 2.5 mm
FAILURE CODE
(CHECK THE WIRED
REMOTE
CONTROLLER)
01
02
03
04
05
06
B
C
1(L)
2(N)
2
2
Sensor disconnected, or broken, or at wrong
*
position, or short circuit
Sensor disconnected, or broken, or at wrong
*
position, or short circuit
Sensor disconnected, or broken, or at wrong
*
position, or short circuit
Sensor disconnected, or broken, or at wrong
*
position, or short circuit
Faulty indoor unit PCB
Wrong connection, or the wires be
disconnected, or wrong address setting of
*
indoor units, or faulty power supply or faulty
PCB
23
P
A
Q
To wired controller(A,B,C)
L N
C1 C2
(P Q)
To outdoor unit
POSSIBLE REASONS
B
C
Advertisement
Table of Contents
