Electric wiring and the application
Method of installation and trial run
SW01 SW02 Display of numeral pipe light with seven segments
Error code display(Before indoor unit locked, the following sequences flash:"U"+indoor num., e.g.:
0
"U16"means the outdoor unit connecting 16 indoor units; outdoor unit code; "220"or "380" means single-
phase power source or three-phase power source.)
1
Operation mode of outdoor units (Stopping :OFF, Cooling: CCC, Heating: HHH)
2
Program version(one decimal)
3
E2 version
Target operating frequency of compressor(Press "Start" 5 seconds to enter the manual frequency control,
4
Up / Down to adjust the frequency, press "Stop" 5 seconds to exit manual frequency control; Frequency
flashes when manual control, while non-manual control, frequency displays normally)
5
Actual frequency of compressor
6
Indoor units num.
7
Running indoor units num.
8
Outdoor unit code
0
9
Rotating speed of outdoor unit Fan1(unit: rpm, max:999)
A
Rotating speed of outdoor unit Fan2(unit: rpm, max:999)
B
Target indoor unit average temp. sensor TC2(unit:℃)
C
Actual indoor unit average temp. sensor TC2(unit:℃)
D
Target overheat value of PMW when heating(unit:℃)
Special operating mode of outdoor unit:
First num.: power source type(0-single phase,1-three phase)
E
Second num.: silent operation (0-off, 1-on)
Third num.: gas recovery operating(0-off, 1-on)
("101" means the outdoor unit has three phrase power source, silent operation off and gas recovery on)
Forced fan operation, when unforced display "Fan"(Press "Start" 5 seconds to enter manual fan control,
F
Up / Down to adjust fan speed, press "Stop" 5 seconds to exit manual fan control), when forced flashes
"0-15". This function can't be affected by the failures of outdoor unit.
0
Discharge temp. sensor Td (unit:℃ )
1
Outdoor unit ambient temp. sensor TA (unit: ℃ )
2
Suction temp. sensor Ts (unit: ℃ )
3
Defrost temp. sensor Te (unit:℃ )
7
Outdoor unit PMV opening
Valve state
First num.:4WV(0-off, 1-on)
8
Second num.:SV1(0-off, 1-on)
Third num.: SV2(0-off, 1-on)
(101 means 4WV on, SV1 off, SV2 on)
First num.: High pressure switch HPS(0-off, 1-on)
1
Second num.: Low pressure switch LPS(0-off, 1-on)
9
Third num.: Heating belt(0-off, 1-on)
(101 means HPS on, LPS off and heating belt on)
A
Module temp. sensor Tfin(unit: ℃)
B
Compressor current(unit: A, one decimal)
C
Coil temp. sensor Tc(unit:℃)
D
Module DC voltage(unit: V)
Air conditioner current value CT(unit: A)
E
Display "CCC" alternately in forced cooling mode.(Pressing "Start" 5 seconds, all indoor units enter
cooling mode, they exit when pressing "Stop" 5 seconds)
Display "HHH" in forced heating mode.(Pressing "Start" 5 seconds, all indoor units enter heating mode,
F
they exit when pressing "Stop" 5 seconds),display "---" when unforced
16