Carrier XCT7 Installations- Und Benutzerhandbuch Seite 25

Installation and debugging
1. Installation and debugging method of the outdoor machine
SW01 SW02
Outdoor machine fault code
The machine units are not locked and there is no fault, .
(1)
0
For example, "U08" means that the machine is connected to 8 internal machines.
(2)
1 Outdoor operation mode (stop: OFF; refrigeration: CCC; heating: HHH)
2 Program version
3 E2 Edition
Compressor target frequency (Hold Start for 5 seconds to enter manual frequency control, use Up/
Down to adjust frequency, hold Stop for 5 seconds to exit the manual frequency control.
4
Manual control, flash display frequency, automatic control, normal display frequency
7 Machine units
8 Outdoor machine capacity
0
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 unit:
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 gas)
Forced fan running, no mandatory display "FAN" (Hold Start for 5 seconds to enter fan manual control,
Up/Down adjust the fan gear, Hold Stop for 5 seconds to fan manual control), mandatory display "0-
F
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 (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);
the third bit: SV2 (0- off, 1- open) (example 101 indicates that the 4WV is turned on; the SV1 is
8
turned off, and the SV2 is turned on)
1
First: high voltage switch HPS (0-disconnect, 1-closed); second: low voltage switch LPS
(0-disconnect, 1-closed); third: heating belt (0-closed, 1-open) (101: HPS LPS closed off, open
9
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)
Forced refrigeration alternately display "CCC" (hold Start for 5 seconds to enter, all internal cooling
E
operations, hold Stop for 5 seconds to exit).
B
The connection machine number: display "U" + machine units.
Power supply type: 220 represents a single phase 220V, and 380 represents a three-phase 380V).
Seven segment digital tube display
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