GMV5 Home DC Inverter Multi VRF Units
252
4. The barcode inquiry starts from barcode of the entire indoor unit
and ends at the controller bar code of indoor unit without
circulatiohn. That is, the inquiry will not start again even if users
press ―▼‖.
Notes:
Under parameter inquiry status, ―Function‖, ―Timer‖, ―Heating water/Floor heating‖ buttons are
invalid. Press ―ON/OFF‖ button can return to the main interface but will not turn on/off the unit.
Engineering Parameter Settings
Engineering parameters can be set under power-on or power-off status of unit.
1) Press and hold ―Function‖ button for five seconds, temperature area will display ―C00‖.
Continuously press ―Mode‖ button for three times, and then press and hold ―Function‖ button for
five seconds to enter into engineering parameter setting interface, then the temperature area will
display ―P00‖.
2) Press ― ‖ or ― ‖ button can select parameter code, press ―Mode‖ button to switch to
parameter setting. Then the parameter flickers, press ― ‖ or ― ‖ button can adjust the parameter.
Press ―Enter/Cancel‖ button to complete settings.
3) Press ―Enter/Cancel‖ button can return to the upper level till quitting parameter setting.
Under the engineering parameter setting interface, users can also set user parameters.
The engineering parameter setting list is as below:
Engineering Parameter Setting List
00: standby after
power-fail revovery
01: restoring the original
status after power-fail
recovery
Historical fault
clearing of
indoor unit
00: not cleared
01: cleared
Historical faults of all indoor units
controlled by the current wired
controller are cleared.
Factory setting
recovery of user
functions
After selecting 01, press and hold
―Enter/Cancel‖ button to resumes to
the factory settings for user
functions (factory setting recovery
fails if remote shielding is valid).
Factory setting
recovery of
engineering
settings
After selecting 01, press and hold
―Enter/Cancel‖ button to resumes to
the factory status for engineering
settings (factory setting recovery
fails if remote shielding is valid).
Engineering
number settings
of hydro box
Automatically
generated
when the
system
operates
initially
Under ―P42‖ status, press ―Mode‖
button to enter into setting menu.
The engineering number in timer
area will flicker, press ― ‖ or ― ‖
button to adjust engineering
number. Press ―Enter/Cancel‖
button to confirm the setting and
return to the upper level menu.
When it is set to be 01, the wired
controller initiates an project
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