Gree R410A Manual page 21

Outdoor unit
D1
Fig. 3.6 Two wired controllers control multiple indoor units simultaneously
2.3 Engineering Test
1）Mater IDU Settings
In power-off status, press and hold the "MODE" button for five seconds to set the IDU connected with the
current wired controller to master IDU.If the setting is successful, MASTER icon will be on.
2）User Parameter Query
Engineering Parameters can be queried in power-on of power-off status.
(1) Press and hold the "FUNCTION"button for five seconds to enter the user parameter query interface. The
temperature area display "C00" and "CHECK" is on.
(2) Select a parameter code by
(3) Press"ENTER/CANCEL" botton ro return to the upper-level menu till quitting parameter query.
The user parameter query list is as follows:
Paremeter
Parameter Name
Code
Parameter setting
C00
ingress
Project number query
C01 of IDU and fautly
IDU loaciton
D2
Indoor unit 1
pressing" ∧ " or"∨"
Parameter
Range
-
1-255：Project
number of
online IDU
Indoor unit 2
View Method
Operation method:
In" C01" status,press " MODE" button to enter project
number query of IDU.Press" ∧" or" ∨" to switch the IDU
SN.
Display mode:
Temperature area:displays the fault of current IDU
Timer area:displays project number of current IDU
Special operations:
After users press the " MODE" button to enter project
number query, the buzzer of the IDU operated by the
wired controller will ring till users quit " C01" query or
Photovoltaic Direct-driven VRF
for North America
Indoor unit 16
-
19
CONTROL