16
Method of installation and trial run
Electric wiring and the application
SW01 SW02
Display of numeral pipe light with seven segments
0
0
Error code display(Before indoor unit locked, the following sequences flash:”U”+indoor num., e.g.:
“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
4
Target operating frequency of compressor(Press “Start” 5 seconds to enter the manual frequency control,
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
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:
℃）
E
Special operating mode of outdoor unit:
First num.: power source type(0-single phase,1-three phase)
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)
F
Forced fan operation, when unforced display “Fan”(Press “Start” 5 seconds to enter manual fan control,
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.
1
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
8
Valve state
First num.:4WV(0-off, 1-on)
Second num.:SV1(0-off, 1-on)
Third num.: SV2(0-off, 1-on)
(101 means 4WV on, SV1 off, SV2 on)
9
First num.: High pressure switch HPS(0-off, 1-on)
Second num.: Low pressure switch LPS(0-off, 1-on)
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)
E
Air conditioner current value CT(unit: A)
Display “CCC” alternately in forced cooling mode.(Pressing “Start” 5 seconds, all indoor units enter
cooling mode, they exit when pressing “Stop” 5 seconds)
F
Display “HHH” in forced heating mode.(Pressing “Start” 5 seconds, all indoor units enter heating mode,
they exit when pressing “Stop” 5 seconds),display “---” when unforced
