York YHKE09XEEAMH-RX Service Manual page 30

be set to high/med/low/auto. And the anti-cold
wind function has the priority.
The indoor fan is controlled as below:
Td=Ts+Δt
Setting fan
T1-Td ℃(°F)
speed
A
H
B
C
D
M
E
F
G
L
H
I
Auto fan action in heating mode:
T1-Td
8.4.3.4 Defrosting mode
For 7K INDOOR, YHKE09XEEAMH-RX,
YHKE12XEEAMH-RX models,
AC will enter the defrosting mode according to
the value of temp. of T3 and the value of temp.
of T4 and also the compressor running time.
During the defrosting mode, the compressor keep
running, indoor and outdoor motor will stop,
defrost lamp of the indoor unit will be lighted
" ." Will be displayed.
If any one of the following items is satisfied, the
defrosting will finish and the machine will turn to
normal heating mode.
----T3 rises to be higher than TCDE1℃.
----T3 keeps to be higher than TCDE2℃ for 80
seconds.
----The machine has run for 15 minutes in
defrosting mode.
For YHKE18XEEAMH-RX,
YHKE24XEEAMH-RX models,
AC will enter the defrosting mode according to
the value of temp. of T3 and the value range of
Actual fan speed
temp. change of T3 and also the compressor
H+(H+=H+G)
H（=H）
running time.
H-（H-=H-G)
During the defrosting mode, the compressor keep
M+(M+=M+Z)
running, indoor and outdoor motor will stop,
M(M=M)
defrost lamp of the indoor unit will be lighted
M-(M-=M-Z)
L+(L+=L+D)
L(L=L) "
L-(L-=L-D)
If any one of the following items is satisfied, the
defrosting will finish and the machine will turn to
normal heating mode.
----T3 rises to be higher than TCDE1℃.
----T3 keeps to be higher than TCDE2℃ for 80
seconds.
----The machine has run for 10 minutes in
defrosting mode.
8.4.3.5 Evaporator coil temperature
protection
Off: Compressor stops.
Decrease: Decrease the running frequency to
the lower level.
Hold: Keep the current frequency.
Resume: No limitation for frequency.
8.4.4 Auto-mode
This mode can be chosen with remote
controller and the setting temperature can be
changed between 17°C~30°C
In auto mode, the machine will choose cooling,
heating or fan-only mode according to ΔT (ΔT
=T1-Ts).
28
." Will be displayed.
T2
Off
TEstop
Decrease
TEdown
Hold
TEH2
Resume