DC Inverter Multi VRF System
25
Status:
A0 Unit waiting for debugging AP
Debugging confirmation when starting
A1
Inquiry of compressor operation
AU Long-distance emergency stop
A2
Refrigerant recovery operation of
Ab Emergency stop of operation
SE operation setting of system
Heat pump function setting
Setting of defrosting cycle K1
A7 Quiet mode setting n2
Setting of upper limit of IDU/ODU
capacity distribution ratio
A8 Vacuum pump mode n4
Limit setting for max. capacity/output
capacity
EU AA level EER test mode
Inquiry of project code of IDU
Charge refrigerant automatically
Charge refrigerant manually
Cleaning reminding of filter
q1
Anti-ice temperature setting under low
temperature condition
qA Heat recover status
Shield setting for compressor frequency
main body conducts heating
q3
Upper limit of correction value for target
qC The main body conducts cooling
q4
Upper limit of correction value for target
qL Static pressure setting
q5
Setting for general unit and high
sensible heat unit (0 represents
general, 1 represents high sensible
qE EVI operation status setting
q6
Setting for engineering ability correction
qF Compulsory cooling mode
Select Centigrade or Fahrenheit
Dual heat source water emptying
q8
Low temperature protection correction
value for discharge
qy
Working mode of compressor heating
zone
8 Maintenance and Care
Regular check, maintenance and care can extend unit’s service life. Please have specialized
person in charge of the management of air conditioners.
8.1 Outdoor Heat Exchanger
Outdoor heat exchanger shall be cleaned regularly, which is at least once every two months. You
can use a dust catcher with nylon brush to clean away the dust on the heat exchanger. If compressed
air source is available, it also can be used to clean the heat exchanger. Do not clean it with water.
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