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17
Installation and debugging
1. Installation and debugging method of outdoor machine
SW01 SW02 Seven segment digital tube display content
0
0
Outdoor machine fault code
The machine units are not locked and no fault, in turn cycle "in the machine number, machine
capacity, power supply type".
(1) The connection machine number: display "U" + machine units.
Such as "U08" means that the machine is connected to the 8 internal machine .
(2) Outdoor mechanism cold capacity: such as 48 machine display 48(uint:KBtu/h).
(3) Power supply type: 1PH represents a single phase, and the 3PH represents a three-phase).
1 Outdoor operation mode (stop: OFF, refrigeration: CCC, heating: HHH)
2 Program version
3 E2 Edition
4
Compressor target frequency.(according to Start 5 seconds, into the manual frequency control, Up/
Down adjustment frequency, according to Stop for 5 seconds, exit the manual frequency control.
Manual control, the frequency of ashing display, non manual control, the frequency of normal
display.
5 Actual frequency of compressor
6 In machine units
7 The machine units
8 Outdoor machine capacity (unit:KBtu/h)
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: Fahrenheit)
C The actual average Tc2 temperature of the unit (unit: Fahrenheit)
D Superheat of heating target (unit: Fahrenheit)
E
Special running state of the mach:
First bit: power supply type (0- single phase 1- three-phase);
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)
F
Forced fan running, no mandatory display "FAN" (according to Start 5 seconds into the fan manual
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 inuence
1
0 Td: exhaust gas sensor (unit: Fahrenheit)
1 Ta: ring temperature sensor (unit: Fahrenheit)
2 Ts: suction sensor (unit: Fahrenheit)
3 Te: defrost sensor (unit: Fahrenheit)
5 Pd: High pressure pressure (unit: psi)
6 Ps: Low pressure (unit: psi)
7 Outdoor machine PMV opening (unit: pls, maximum display 999)
8
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 turned off, the
SV2 is turned on)
9
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 the heating
zone)
A Tn: module temperature (unit: Fahrenheit)
B Press current (unit: A, 1 decimal)
D Module DC voltage (unit: V)
E
CT current (unit: A, 1 decimal)
Forced refrigeration alternately display "CCC" (press Start 5 seconds to enter, all internal cooling
operation, according to Stop 5 seconds exit).
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