Gree ULTRA heating GMV5 Multi VRF Series Service Manual page 61

Running
The display of function section
state
① The section will display the
numbers of the indoor units which have
established
outdoor unit. For example, if there are
Stop twenty established indoor units, the
section will display "20".
② It will display the address of the
indoor units by turns. For example, the
"44" is represented of the indoor unit's IP.
The code of running state:
Code
Normal
UE
UP
UC
If the malfunction occurs in the
system, the section will display the error
code. If there are several malfunctions, it
Malfunction
will display the error codes by turns
intervals of 2 seconds.
Button section
10.3.2
Key
Signification
① When entering the menu to set parameters, the function section will flash running codes and
the data section will flash the current parameters.
② When the menu is set, the data section will flash "=". After the "=" stops blinking, the unit will
run the new parameters.
10.3.3 The flow chart of operation
communication
Running Running
Code
state
Pressure
UH Heating
equalization
Pump down A4
returning
Cooling A3 Defrosting
Fuc
Function Increase
The display of data section
① If the function section displays the
numbers of the indoor units, the data
section will
with the
temperature. For example, the "35" is
represented of 35℃.
② If the function section displays the
address of the indoor unit，the data section
will display the model of the indoor unit,
for example, the "56" is represented of 56
model.
It displays the target gear of the
state
compressor. If the gear is zero, it will
display "0". For example, the gear is the
fifteenth; it will display "15". The range of
Oil the gear is from 0 to 60.
If the malfunction occurs in the
①
outdoor unit, the section displays nothing;
② If the malfunction occurs in the indoor
at
units, the section displays the address of
the indoor unit.
＋ －
Decrease
Ultra Heating GMV5 Multi VRF
for North America
display the outside
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