Gree ULTRA heating GMV-36WL/B-T, Service Manual

Page: 61 / 95

59
for North America
Ultra Heating GMV5 Multi VRF
Running
state
The display of function section The display of data section
Stop
①
The section will display the
numbers of the indoor units which have
established communication with the
outdoor unit. For example, if there are
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.
①
If the function section displays the
numbers of the indoor units, the data
section will display the outside
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.
Normal
The code of running state:
Code
Running
state
Code Running
state
UE
Pressure
equalization UH
Heating
UP Pump down A4
Oil
returning
UC Cooling A3 Defrosting
It displays the target gear of the
compressor. If the gear is zero, it will
display “0”. For example, the gear is the
fifteenth; it will display “15”. The range of
the gear is from 0 to 60.
Malfunction
If the malfunction occurs in the
system, the section will display the error
code. If there are several malfunctions, it
will display the error codes by turns at
intervals of 2 seconds.
①
If the malfunction occurs in the
outdoor unit, the section displays nothing;
②
If the malfunction occurs in the indoor
units, the section displays the address of
the indoor unit.
10.3.2
The flow chart of operation 10.3.3
Button section
Key Fuc
＋ －
Enter Back
Signification Function Increase Decrease Enter Back
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.