Gree XE7A-24/HC

Owner’s Manual
13
Instruction for wire connection:
(1) The wiring methods in fig. 4.4, fig. 4.5, fig. 4.8 and fig. 4.9 can
be adopted for the wired controller connecting U-match unit.
(2) The wiring methods in fig. 4.4~fig. 4.7 can be adopted for the
wired controller connecting VRF unit.
(3) Only the wiring methods in fig. 4.4 and fig. 4.5 can be
adopted for the wired controller connecting Big Duct Type
unit or Air-cooled Packaged unit, that is, one (or two)
wired controller(s) can control only one indoor unit,
cannot control multiple indoor units of different systems.
(4) When one (or two) wired controller(s) control(s) multiple
indoor units simultaneously, the wired controller can
connect to any one indoor unit, but the connected indoor
unit must be the same series indoor unit. The total
quantity of indoor unit controlled by wired controller can't
exceed 16 sets, and the connected indoor unit must be
within the same indoor unit's network. Wire controller
must set quantity of group control indoor units. Please
refer to 4.2.3 Parameter Setting “P14”.
(5) When two wired controllers control one (or more) indoor
unit(s), the addresses of those two wired controllers
should be different. Please refer to 4.2.3 Parameter
Setting “P13”.
(6) The terminal of the wire controller is non-polarized and
cannot be connected to strong electric.
NOTE:
Wired controller XE7A-24/HC only supports one (or more)