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Installation and debugging
1. Installation and debugging method of outdoor machine
SW01
SW02
Outdoor machine fault code
The machine units are not locked and no fault, in turn cycle "in the machine number, power supply
type".
0
(1) The connection machine number: display "U" + machine units.
Such as "U08" means that the machine is connected to the 8 internal machine .
(2) Power supply type: 220 represents a single phase 220V, and the 380 represents a three-phase
380V).
1
Outdoor operation mode (stop: OFF, refrigeration: CCC, heating: HHH)
2
Program version
3
E2 Edition
Compressor target frequency.(according to Start 5 seconds, into the manual frequency control,
4
Up/Down adjustment frequency, according to Stop for 5 seconds, exit the manual frequency control.
Manual control, the frequency of flashing display, non manual control, the frequency of normal display
7
The machine units
0
8
Outdoor machine capacity
9
External fan 1 (FAN1) speed (unit: RPM, maximum display of 999)
A
External fan 2 (FAN2) speed (unit: RPM, maximum display of 999)
B
The average Tc2 temperature of the internal machine (unit: Celsius)
C
The actual average Tc2 temperature of the unit (unit: centigrade)
D
Superheat of heating target (unit: Celsius)
Special running state of the mach:
First bit: power supply type (0- single phase 1- three-phase);
E
Second place: Mute (0- off, 1- open);Third place: the air to run (0- off, 1- open)
(101: three phase power supply, mute off, open the gas)
Forced fan running, no mandatory display "FAN" (according to Start 5 seconds into the fan manual
F
control, Up/Down adjust the fan gear, according to the Stop 5 seconds, exit fan manual control),
mandatory display "0-15", this function is not affected by external fault influence.
0
Td: exhaust gas sensor (unit: Celsius)
1
Ta: ring temperature sensor (unit: Celsius)
2
Ts: suction sensor (unit: Celsius)
3
Te: defrost sensor (unit: Celsius)
5
Pd: High pressure pressure (unit: kg)
6
Ps: Low pressure (unit: kg)
7
Outdoor machine PMV opening (unit: pls, maximum display 999)
Valve state First bit: 4WV (0- closed, 1- open); Second bit: SV1 (0- closed, 1- open);
8
the third bit: SV2 (0- off, 1- open) (example 101 indicates that the 4WV is turned on, the SV1 is turned
off, the SV2 is turned on)
1
First:high voltage switch HPS (0-disconnect,1-closed); second:low voltage switch LPS
9
(0-disconnect,1-closed);third:heating belt(0-closed,1-open)(101:HPS LPS closed off, open the heating
zone)
A
Tfin: module temperature (unit: Celsius)
B
Press current (unit: A, 1 decimal)
C
Coil temperature(unit: Celsius)
D
Module DC voltage (unit: V)
CT current (unit: A, 1 decimal)
E
Forced refrigeration alternately display "CCC" (press Start 5 seconds to enter, all internal cooling
operation, according to Stop 5 seconds exit).
Seven segment digital tube display content
16
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