Hyundai HSH-121NBE, Service Manual

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T
preset
+4
ć
T
preset
+2 ć
Stop heating
Original
running
status
Start heating
Run
Indoor fan
Reversing
valve
Outdoor fan
Compressor
Stop
min.
min.
min.
T
amb
.
min. min.
settingfan speed
Defrosting Conditions and Process
Intelligent defrosting is adopted, and it can conduct defrosting automatically according to the frosting condition. Double 8
displays H1.
Protection Function
High Temp. Prote
c
tion
If it is detected that the evaporator tube temperature is too high, the outdoor fan w
i
ll be stopped. When the temperature of the
evaporator tube resumes to normal, the outdoor fan will be restarted
up
.
Noise Silencing Protection
If the unit is stopped by pressing ON/OFF
button
, the
reversing
valve will be stopped after 2-minute
delayed
; or 2 minutes will be
delayed
upon mode switching.
Overload Protection
The overload protection is same as the overload protection under the cooling mode (while the indoor fan is running based on
afterheat blowing).
(4) Fan Mode
Under
this
mode, the indoor fan is running at
setting fan
speed, and the compressor, outdoor fan and
reversing
valve
will
all
stop
running
.
Under
this
mode, the temperature
setting range is
16-30 ć . The display equipment will show the
running
signal and the
setting
temperature.
(5) Auto Mode
Under this mode, the system will automatically select the running mode (cooling, heating and air flow) depending
on the ambient temperature.The display will show the
running
signal, the actual
running
mode signal and the
setting
temperature. There are 30s delay
ed
protection for mode
switchover
. The protection function is same as the protection
function
under each mode.
3 Other Control
(1) Tim
er
Function
The main board is equipped with
general
tim
er
function and
clock
tim
er
function at the same time, and the tim
er
function
General tim
er
Time
r
on: It is available to set the time
r on
under the
OFF status
. After
timer on reaches
, th e
controller will operate according to the original set
ting
mode. The timing interval is 0.5h, and the set range is 0.5-24h.
Time
r
off: It is available to set the time
r off
under the
ON status
. After
timer off reaches
, the
Clock
tim
er
Time
r
on:
If timer on is set under running state of unit, the system will continue running. If timer on is set under off state of
.
the unit, the system will run in setting mode when timeron reaches.
system will start operating according to the preset mode.
Time
r
off: If t
imer off is set under off state of the unit, the system will keep standby status. If timer off is set under on state
of the unit, the system will stop running when timer off reaches.
preset time of stop, the system will stop running.
system will
be turned off
. The timing interval is 0.5h, and the set range is 0.5-24h.
can be selected by providing remote controllers of different function.
setting fan speed
62