Gree SUPER+ MULTI ULTRA Series Service Manual page 124

Super Free Match
Service Manual
 Back:
Press "Back" key to the previous menu, and long press the "Back" key to exit the operation.
③ Display unit 1(d1) operation:
 When entering into the display unit 1:
The function section display running code uninterrupted and the data section display the current value
uninterrupted.
 "＋" "－"Keys are invalid in the operation.
④ If no operation is performed within 1min, it will automatically return to the normal display.
1.3.3 The meaning of running code
Sorts
Control Unit
Vacuum operation
Set refrigerant
recovery mode
Display Unit 1
Display suction
temperature
Display discharge
temperature
Display low pressure
Display high
pressure
1.3.4 For example: How to Display low pressure
① Long press "Fuc" key for more than 2s to enter the first-level menu: the function section flashes "CU"
code and the data section is blank.
② Switch with the "Fuc" key again: the function section flashes "d1" code and the data section is blank.
③ Press "Enter" key to enter the second-level menu: the function section flashes "NH" code and the data
section display the current suction temperature.
④ Switch with the "Fuc" key to display low pressure: the function section flashes "PL" code and the data
section display the current low pressure.
1.3.5 How to Recover the refrigerant to the outdoor unit
1) Let all the indoor units work in the Cooling mode for more than half one hour.
2) Set the units running the "Fo" mode.
① Long press "Fuc" key for more than 2s to enter the first-level menu: the function section flashes "CU"
code and the data section is blank.
② Press "Enter" key to enter the second-level menu: the function section flashes "AU" code and the data
section display the current parameters.
③ Switch with the "Fuc" key until the function section flashes "Fo" code and the data section display the
current parameters.
④ Press "Enter" key: the function section display "Fo" code uninterrupted and the data section flashes the
MAINTENANCE 118
Function
Data section
section
CU Blank
AU The current
Fo The current
d1 Blank
Suction temperature. For
NH
example, 15 represents 15℃
Discharge temperature. For
NP
example, 70 represents 70℃
Low pressure. For example, 95
PL
represents 0.95Mpa
High pressure. For example,
PH
280 represents 2.80Mpa
Use the "＋" "－" keys to switch ON, OF.
parameter
 ON represents that the unit is
 OF represents that the unit isnot
parameter
"＋" "－"Keys are invalid in the operation.
Remarks
running the current state.
running the current state.