4.2.3 Basic function
Weekly disinfect function
Under disinfection unit immediately start to heat water up to 70
℃
to kill the potential legionella bacteria inside water of tank
,
icon will be lightened on the display screen during disinfection;
Unit will quit disinfection if water temperature is higher than 70
℃
and extinguish icon.
Vacation function:
Press the
button to select VACATION , Unit will automati-
cally heat water to 15
℃
for the purpose of energy saving during
vacation days.
Rmote shutdown function:
Users can connect a switch.If the switch is closed, the unit will be
stopped forcibly.If switch breaks, the unit can run normally
according settings.
How is the unit running:
If unit is OFF->press ->unit will be waken->press
to set target water temperature(38-70
℃
)->press
->unit
will automatically select heat source and start to heat water to
target temperature.
Restart After a Long Term Stop
When the unit is restarted after a long term stop(trail running
included), it is normal that outlet water is unclean. Keep the tap on
and the water will be clean soon.
Fig.4-4
About TCO and ATCO
The power of compressor and E-heater will be automatically
shut-off or turn on by TCO and ATCO.
If the temperature is higher than 78
℃
, the ATCO will automati-
cally shut off the power of compressor and E-heater, and turn on
it if the temperature fall down below 68
℃
.
If the water temperature is higher than 85
℃
, the TCO will
automatically shut off the power of compressor and E-heater.
After that it needs to be reset manually.
1)
2)
3)
4)
4.2.4 Query function
For the convenience of maintenance and debug, query function is
available by Press 3 buttons together:
+ + ,
then system running parameters will be shown one by one with
following sequence by each pushing of
or button.
Table
.
4-2
When ambient temp below 2
℃，
heat pump and E-heater will
take different portions of heating capacity, generally the lower of
ambient temperature, the lower portion of heat pump will be
taken as well as the higher portion of E-heater will account for.
More detail please refer to Table.4-1.
0
2
4
6
8
10
12
-7 -5
2
7
20
25
30
32
35
40
45
Ti
m
e(
h)
Ambient temp(°C)
15-45
15-55
15-65
15-70
No.
Hour
low bit
Min.
high bit
Min.
Low bit
unit
Explenation
1
Temp.
T5U
2
Temp.
T5L
3
Temp.
T3
4
Temp.
T4
5
Temp.
TP
6
Temp.
Th
7
8
Last error code
9
Previous 1st error or
protection code
10
Previous 2nd t error or
protection code
Model code:
01 Europe 190
02Europe 300
03 Australia 190
04 Australia 300
End sign
11
12
13
14
15
16
17
18
19
20
21
Temp.
T7
Temp.
T1
Current
Current value
Current
Electric heating
current value
Fan
Electronic
expansion
valve 1/8
Electronic
expansion
valve
Warm water
valve1/32
Warm
water valve
Compressor
frequency
Frequency
Host software version
Version
Display board
software version
Version
0
：
OFF
1
：
Low fan
2/3:High fan
NOTE
While the ambient temperature below
than -7
℃
, heat pump efficiency will
decrease dramatically, the unit will
automatically shift to E-heater running.
11
Summary of Contents for COMPAK KHP-15/190 ACS2
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