Gree GMV-PD140W/NAB-K

35
DC Inverter Multi
VRF Service Manual
DPOUSPM
7 CENTRALIZED CONTROLLER
7.1 Central Control ZJ7011
7.1.1 Function
Main characteristics of Centralized Controller:
A set of Centralized Controller can control 64 communication modules and can connect to as much as
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control On/Off, Mode, Temperature setting and Timer On/Off of indoor unit etc.
It can realize the central, single or select control to all indoor units.
It can organize several indoor units into groups as you desired and conduct unified control—Group
select control.
Error contents are shown by codes. Corresponding communication module numbers of the indoor units
with error contents would blink for rapid inspection and repair (There is sound warning for a few errors).
Timer function. Every indoor unit can set Timer On/Off time by central, single or select control. Both
Timer On time and Timer Off time can be set at the same time, and it is available to set the timer to which day
among the 7 days from Sunday to Saturday works.
Clock function displays in year, month, day, hour, minute and week, and the clock can be manually
adjusted.
Indoor and outdoor units online auto detect, display and working state indication.
Self-inspection function is remained.
Centralized Controller and several communication modules formed communication net, the length of
communication wire of the net can be as long as 1km (without using communication repeaters).
Note: this centralized controller shall be used with communication module ZJ301-W.
7.1.2 Operation View
ALL ON ALL OFF
PAGE
INDOOR UNIT
ERROR
AUTO
ROOM TEMP.
SWING SLEEP
MELT
TIMER
ON
OFF
SET TEMP.
ERR CODE
COOL
DRY FA N
HEAT
AUTO
LOW
CHECK
MONITORING
DETECTING
TEST
MID HIGH
CENTER ADDRESS
INITIALIZE
SINGLE
SELECT
CTRL MODE
SYS
SET
IN-
DOOR
DO
MAIN
c c
Mon.
Tue. Wed.
Thu.
Fri.
Sat.
Sun.
Year Mon Date Hour Min
1 2
345678
10111213
14
15
16
17
9
Fig.7.1.2