41
Main function instruction:
By setting the rotary switch, the digital tube will display the outdoor and indoor unit parameters, the data is inform
of decimal integer. During the process of installation, adjustion and maintenance, the whole system’s operating
parameters can be tested conveniently which can help to check and solve problems quickly and correctly.
14. Digital Tube Display
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; horse power num.+”P”, e.g.:”3.0P” means a 3
horse power outdoor unit; “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 horse power(AU28-3.0P, AU48-6.0P, AU60-7.0P)
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.