Control
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Menus
When choose Intelligent defrost mode, the Defrost start temperature will be the same as above form
when the ambient temperature is lower than 2 degree, all the value of the form is factory setting and
they are adjustable from 0 to -30 degree. Press button Right 5 seconds to enter the form, operator can
select any defrost start temperature and revise it. For example, after change the defrost start
temperature to be -12 degree under ambient temperature is -3 degree, all the defrost temperature which
more than -12 degree will change automatically to -12 degree under the kinds of ambient temperature
which less than -3 degree.
After confirmation, the factory setting will change to above and be as new default.
MANUAL.DEF:
Manually defrost (adjustable defrost program)
˖
This function is semi-automatic. For example, operator
can change the value of INTERVAL( the distance between two defrosting) to be 40 min, and the START
TEMP(the start temperature of defrosting) to be -4degree, when the defrosting time request and
temperature request were meet at the same time, heat pump go to defrost.
Defrost finish: when outdoor evaporator pipe temperature (EXIT TEMP)’s setting is 15 degree or EXIT
TIME (defrosting timing), the defrosting will finish as soon as get one of them.
DEF.TIME:
Duration of defrosting
ˈ
adjustable from 2 to 20min(factory setting is 15min
˅
defrosting duration
INTERVAL:
Interval of defrosting
ˈ
adjustable from 25 to 70min(factory setting is 40min
˅
START TEMP
˖
Start temperature of defrosting( pipe temperature of outdoor evaporator)
ˈ
adjustable from 2 to -30
degree
˄
factory setting is -4 degree
˅
EXIT TEMP
˖
Exit temperature of defrosting( pipe temperature of outdoor evaporator), adjustable from 0 to 20degree
˄
factory setting is 15degree
˅
SINCE TIME:
Start and exit time of defrosting, to indicate whole time of defrosting.
BETW.TIME:
To record the interval between the ending of first defrosting and the beginning of second defrosting.
Outdoor
ambient
temperature
Defrost
start
temperature
(pipe at
evaporator)
Outdoor
ambient
temperature
Defrost
start
temperature
(pipe at
evaporator)
Outdoor
ambient
temperature
Defrost
start
temperature
(pipe at
evaporator)
-9
Remain-13
-10
Remain-14
-8
Remain-12
-11
Remain-15
-6
Change to -12
-7
Change to -12
-3
Change to -12
-4
Change to -12
-5
Change to -12
DEF.ADD:
How many electrical heaters will start running when heat pump is defrosting; factory setting (default) is
1 piece only; it is adjustable from 1 to 3;
