DC INVERTER MULTI VRF INSTALLATION
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Mainboard of 5-bit Function Dial-up
Mainboard of 4-bit Function Dial-up
9.4.2 Address dial code
Address dial-up must be set for the multi indoor units; otherwise abnormal communication will
be caused to the unit. The address code has 4-bit dial-up in total. The highest address is 16
and the lowest address is 1.
NOTES! To use multiple indoor units in parallel, make sure to change the setting of address
code before installation and guarantee that the address code of each indoor unit must be different
(The address code is located on the mainboard of indoor unit). If wired controller is used, make
sure to dial the address code of wired controller to the position same as the address code on
corresponding indoor unit. (The address code of wired controller is located on the back of wired
Capacity code S2
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