Gree Ultra Heat GMV Multi VRF Series User Manual

Ultra Heat GMV Multi VRF_Heat Recovery Serial
40
Fig.48 One wired controller controls multiple IDUs
Fig.49 Two wired controllers control multiple IDUs
When two wired controllers control multiple IDUs, the wired controllers can be connected to any one
IDU, provided that the connected IDU is of the same series. Meanwhile, one and only one of the wired
controllers must be set as a slave controller. At most 16 IDUs can be controlled by the two wired
controllers and the connected IDUs shall be within a same IDU network.
No matter when unit is turned on or off, slave controller can be set.
How to set a slave controller: hold “function” button on the designated controller for 5s, and
temperature zone displays C00. Continue holding “function” button for 5s and setting screen of controller
parameter will come out. Default temperature zone displays P00.
Press button or button to select parameter code P13. Press “mode” button to switch to
setup of parameter values. Then the parameter value will blink. Press button or button to
select code 02. And then press “confirm/cancel” to finish setting.
Press “confirm/cancel” to return to the previous display until you exit from the setup of parameter
values.
Below are user’s parameter settings:
Parameter
code
Parameter
name
Parameter scope
Default value
Remark
P13
Set up address
for wired
controller
01: master wired
controller
02: slave wired
controller
01
When 2 wired controllers control one or more
IDUs, they shall have different addresses.
Slave wired controller (02) can’t set up units’
parameters except its own address.

Gree Ultra Heat GMV Multi VRF Series Specifications

General

Brand	Gree
Model	Ultra Heat GMV Multi VRF Series
Category	Air Conditioner
Language	English