Gree GMV-ND100L/A-T Service Manual page 71

GREE
5.1.5 Engineering Parameter Query
Engineering parameters can be queried in power-on or power-off status.
Press and hold the "FUNCTION" button for five seconds to enter the engineering parameter query
interface. The temperature area displays "C00" and "View" is on.
(1) Within five seconds after "C00" is displayed, continuously press the "MODE" button for three
times in an interval less than one second to enter engineering parameter query.
(2) Select a parameter code by pressing " " or " ".
(3) Press the "ENTER/CANCEL" button to return to the upper-level menu till quitting parameter
query.
In the engineering parameter query interface, users can also query user parameters listed in Table
3.1.
The engineering parameter query list is as follows:
Parameter
Parameter Name
Code
Parameter setting
C00
ingress (default)
Indoor unit
C02
capacity query
Project number
C04 query of master
IDU
Historical fault
C05 query ingress of
IDU
Static pressure
C10 setting query of
ODU
Outdoor unit
C13 network number
query
Table 2.3 Engineering Parameter Query List
Parameter
Range
Display mode:
Timer area: displays the project number of the current IDU.
-
Note: If the current HBS network consists of multiple IDUs, only
the IDU that has the minimum project number is displayed.
Operation method:
In "C02" status, press the "MODE" button to enter the
preferential operation query interface. Press " " or " " to
switch the project number of IDU.
- Display mode:
Temperature area: displays the project number of the current
IDU.
Timer area: displays the current IDU capacity/IDU capacity after
adjustment.
1-255: project
number
Timer area: displays the project number of the master IDU/00.
00: no master
IDU
Operation method:
1. In "C05" status, press the "MODE" button to enter the
historical fault query interface. Press " " or " " to switch the
project number of IDU. Press the "MODE" button to enter fault
code query of the current IDU. Press " " or " " to switch the
Five historical
fault SN. Press the "ENTER/CANCEL" button to return to the
faults
upper-level menu.
Display mode:
Temperature area: displays the fault SN and fault code.
Timer area: displays the project number of IDU.
Operation method:
In "C10" status, press the "MODE" button to enter static
00: 0 Pa
pressure setting query of ODU. Press " " or " " to switch the
20: 20 Pa
ODU address.
50: 50 Pa
Display mode:
82: 82 Pa
Temperature area: displays the address of the current ODU.
Timer area: displays the static pressure setting value.
1-255 Timer area: displays the network number of the current ODU.
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GMV5 INDOOR UNIT SERVICE MANUAL
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