Gree GWC09AFC-D3DNA1A/O, Service Manual

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Installation and Maintenance
Service Manual
1. In cooling mode:
1.1 When the initial set temperature is16-23°C(60.8~73.4°F),the temperature will rise 1°C(1.8°F) by every hour after sleep function is
set;the temperature will not change after rising 3°C(5.4°F) ;after running for 7hours,the temperature will decrease1°C(1.8°F) and it will not
change after that.
1.2 When the initial set temperature is 24-27°C(75.2~80.6°F),the temperature will rise 1°C(1.8°F) by every hour after sleep function is set;
the temperature will not change after rising 2°C(3.6°F);after running for 7 hours, the temperature will decrease 1°C(1.8°F) and it will not
change after that.
1.3 When the initial set temperature is 28-29°C(82.4~84.2°F),the temperature will rise 1°C(1.8°F) by every hour after sleep function is set;
the temperature will not change after rising 1°C(1.8°F); after running for 7 hours, the temperature will decrease 1°C(1.8°F) and it will not
change after that.
1.4 When the initial set temperature is 30°C(86°F), the unit will keep on running at this temperature; after running for 7 hours, the
temperature will decrease 1°C(1.8°F) and it will not change after that.
Relationship between set temperature and running time:
Initial Temp. Running time(T)
0(start) 1 2 3 4 5 6 7 8
16 17 18 19 19 19 19 18 18
17 18 19 20 20 20 20 19 19
18 19 20 21 21 21 21 20 20
19 20 21 22 22 22 22 21 21
20 21 22 23 23 23 23 22 22
21 22 23 24 24 24 24 23 23
22 23 24 25 25 25 25 24 24
23 24 25 26 26 26 26 25 25
24 25 26 26 26 26 26 25 25
25 26 27 27 27 27 27 26 26
26 27 28 28 28 28 28 27 27
27 28 29 29 29 29 29 28 28
28 29 29 29 29 29 29 28 28
29 30 30 30 30 30 30 29 29
30 30 30 30 30 30 30 29 29
2. In heating mode:
2.1 When the initial set temperature is 16°C(60.8°F), the unit will keep on running at this temperature;
2.2 When the initial set temperature is 17-20°C(62.6~68°F), the temperature will decrease 1°C(1.8°F) by every hour after sleep function is
set; the temperature will not change after decreasing 1°C(1.8°F);
2.3 When the initial set temperature is 21-27°C(69.8~80.6°F), the temperature will decrease 1°C(1.8°F) by every hour after sleep function
is set; the temperature will not change after decreasing 2°C(3.6°F);
2.4 When the initial set temperature is 28-30°C(82.4~86°F), the temperature will decrease 1°C(1.8°F) by every hour after sleep function is
set; the temperature will not change after decreasing 3°C(5.4°F);
Relationship between set temperature and running time:
Initial Temp. Running time(T)
0(start) 1 2 3 4 5 6 7 8
16 16 16 16 16 16 16 16 16
17 16 16 16 16 16 16 16 16
18 17 17 17 17 17 17 17 17
19 18 18 18 18 18 18 18 18
20 19 19 19 19 19 19 19 19
21 20 19 19 19 19 19 19 19
22 21 20 20 20 20 20 20 20
23 22 21 21 21 21 21 21 21
24 23 22 22 22 22 22 22 22
25 24 23 23 23 23 23 23 23
26 25 24 24 24 24 24 24 24
27 26 25 25 25 25 25 25 25
28 27 26 25 25 25 25 25 25
29 28 27 26 26 26 26 26 26
30 29 28 27 27 27 27 27 27
(6) Indoor Fan Control
Indoor fan could be set at ultra-high, high, medium, low speed by wireless remote controller and operated as that speed.
Auto fan speed could be set as well, indoor fan will operate under auto fan speed as following: