Gree GUHD18ND3FO - Page 40

U-Match Series DC Inverter Service Manual
37
Table 2-7-2 Introduction to the Symbols on the LCD
No.
Name
Description
1
Fan speed
It displays the fan speed of the indoor unit, high, medium, low and
auto.
2
Running mode
It displays the running mode of the indoor unit, auto, cool, dry, fan and
heat.
3
System clock
It displays the current time (hour and minute) in 24-hour time system
and also the week day.
4
Shield
It displays the shield status, “ALL‟, “TEMP”, “MODE” and „On/Off”.
5
Weekly timer
It displays the timing period (unit: 0.5 hour) which will circulate every
week.
6
Set temperature
Indoor unit code
It displays the set temperature, indoor unit code (01-16), and symbols
of Celsius and Fahrenheit scale.
7
Control mode
It displays “CENTER” under the centralized control mode and no
display under the single control mode.
8
Ambient
temperature
Serial port
It displays the ambient temperature, serial port as well as symbols of
Celsius and Fahrenheit scale.
9
Indoor unit code
On/off status
Numbers indicate the indoor unit codes which will be displayed when
the corresponding indoor unit is online; “” indicates the on/off status of
the indoor unit, its flashing for “on” or else for “off”
10
Error
Child lock
It displays the error codes when some error(s) arises and also “CHILD
LOCK” when this function is activated.
7.1.4.3 Network Topology
Network Connection of the Smart Zone Controller
Figure 2-7-4