Gree GMV-Pdm450W/NaB-M

DC Inverter Multi
VRF Service Manual
149
Outdoor unit
Outdoor unit
Outdoor unit
F
F
3�4 Debugging of Cooling Mode
Step1: make sure that the compressor has been preheated for over 8 hours before rst startup of it.
Step 2: Connect monitoring instrument of debugging.
Step 3: After the monitoring instrument has been installed, check if the communication of data is normal, if all indoor
units and wired controllers can be viewed on monitoring software and if there is any repeated code or wire dropped off.
Whenitisnormal,theaddressofwiredcontrollershallbecorrespondingto
addressofindoorunit,whichisshownasFig.A.
Address of wired controller
Address of inddor unit
Fig.A