York HP Series Service Manual page 81

(2) Temperature setting function is disabled,
and no setting temperature is displayed.
(3) Indoor fan can be set to high/med/low/auto.
(4) The louver operates same as in cooling
mode.
(5) Auto fan:
T1-24°C(75.2°F)
6.0°C(10.8°F)
a
5.0°C(9°F)
b
4.0°C(7.2°F)
2.5°C(4.5°F)
1.0°C(1.8°F)
15.4.2 Cooling Mode
15.4.2.1 Outdoor fan running rules
T4
A
28 ℃ (82.4°F)
26 ℃ (78.8°F)
B
25 ℃ (77°F)
23 ℃ (73.4°F)
C
22 ℃ (71.6°F)
20 ℃ (69°F)
D
19 ℃ (66.2°F)
17 ℃ (62.6°F)
E
15.4.2.2 Indoor fan running rules
In cooling mode, indoor fan runs all the time
and the speed can be selected as high,
medium, low and auto.
The indoor fan is controlled as below:
Setting fan
T1-Td ℃ (°F)
speed
4.5(8.1)
A
3.0(5.4)
H
B
1.5(2.7)
C
4.5(8.1)
D
M
3.0(5.4)
E
1.5(2.7)
F
4.5(8.1)
G
L 3.0(5.4)
H
1.5(2.7)
I
Auto fan in cooling mode acts as follow:
H
(H-L)*0.75+L
(H-L)*0.5+L
(H-L)*0.25+L
c
L
d
e
DC_FAN_HI_SPD_ADD
DC_FAN_MID_SPD_ADD
DC_FAN_MIN_SPD_ADD
DC_FAN_SLOW_SPD_ADD
DC_FAN_SSLOW_SPD_ADD
H+(H+=H+G)
H（=H）
H-（H-=H-G)
M+(M+=M+Z)
M(M=M)
M-(M-=M-Z)
L+(L+=L+D)
L(L=L)
L-(L-=L-D)
6.0°C(10.8°F)
5.0°C(9.0°F)
4.0°C(7.2°F)
2.5°C(4.5°F)
1.0°C(1.8°F)
15.4.3 Heating Mode
15.4.3.1 Outdoor fan running rules
T4
21 ℃ (69.8°F)
19 ℃ (66.2°F)
18 ℃ (64.4°F)
16 ℃ (60.8°F)
15 ℃ (59°F)
13 ℃ (55.4°F)
12 ℃ (53.6°F)
10 ℃ (50°F)
15.4.3.2 Indoor fan running rules
When the compressor is on, the indoor fan can
be set to high/med/low/auto. And the anti-cold
wind function has the priority.
The indoor fan is controlled as below:
Setting fan
speed
H
M
L
Actual fan speed
Auto fan action in heating mode:
T1-Td+1.5°C(34.7°F)
0.0°C(0°F)
-1°C(-1.8°F)
-2°C(-3.6°F)
-3°C(-5.4°F)
-4°C(-7.2°F)
-6°C(-10.8°F)
-6.5°C(-11.7°F)
.3.3 Defrosting mode
78
T1-Td
a
b
c
d
e
E DC_FAN_SSLOW_SPD_ADD
D DC_FAN_SLOW_SPD_ADD
C DC_FAN_MIN_SPD_ADD
B DC_FAN_MID_SPD_ADD
A DC_FAN_HI_SPD_ADD
T1-Td+1.5 ℃ (34.7°F)
-1.5(-2.7 ° F)
-3.0(-4.8 ° F)
-4.5(-8.1 ° F)
-1.5(-2.7 ° F)
-3.0(-4.8 ° F)
-4.5(-8.1 ° F)
-1.5(-2.7 ° F)
-3.0(-4.8 ° F)
-4.5(-8.1 ° F)
-5°C(-9°F)
H
(H-L)*0.75+L
(H-L)*0.5+L
(H-L)*0.25+L
L
Actual fan speed
H- （ H-=H-G)
H （ =H ）
H+(H+=H+G)
M-(M-=M-Z)
M(M=M)
M+(M+=M+Z)
L-(L-=L-D)
L(L=L)
L+(L+=L+D)
-
L
(H+-L)*0.2+L
(H+-L)*0.4+L
(H+-L)*0.6+L
(H+-L)*0.8+L
H+
15.4