
8.3.3. “Green mode” . (only heat pump will work at normal working situation)
8.3.4. “Boost mode” + .
8.3.5. “E heater only” .
8.3.6. “Fan Mode” .
8.3.7. “ Defrost mode”. . (Fig. 25)
20
• Temprange38°C~60°C,default50°C
• The unit will work or stop according to upper tank and lower tank water temp.
• Compressorcontrol:
-Whenlowertankwatertemp.<Tset-5°C(parameter1)oruppertankwatertemp.≤Tset-7°C,orlowertankwatertemp.
≤35°C,thancompressorstarts.
-Whentheuppertankwatertemp.>Tset,andlowertankwatertemp.>Tsetorlowertankwatertemp.>60°C,compres-
sor stops;
• E-heateron/oforspecialuse:extremeenvironmentprotection,malfunction3timesandmalfunctionofuppertankwatertemp
sensor
-UnderGREENMode,whenworkinglimitenvironmentalprotectionhappened,5minutesafter
compressoriso,andifupperwatertanktemp.<Tset+1°C,e-heaterison.Ifupperwatertank
temp.≥Tset+1°C,tillupperwatertanktemp.≤Tset-5°C,e-heaterison(theerrorcodeisstilldisplayed).
- When high or low pressure malfunction happened 3 times, the unit is locked after 5 minutes. If the
upperwatertanktemp.<Tset+1°C,e-heaterison.Ifupperwatertanktemp.≥Tset+1°C,tillupperwatertanktemp.≤Tset-5°C,
e-heater is on.
- When there is faulty on upper tank water temp sensor, the E-heater is forbidden to work.
• Temprange38°C~60°C,default50°C
• The unit will work or stop according to upper tank and lower tank water temp.
• Compressorcontrol:
-Whenlowertankwatertemp.<Tset-5°C(parameter1)oruppertankwatertemp.≤Tset-7°C,orlowertankwatertemp.
≤35°C,thancompressorstarts.
-Whentheuppertankwatertemp.>Tset,andlowertankwatertemp.>Tsetorlowertankwatertemp.>60°C,compres-
sor stops;
• E-heateron/oforspecialuse:
-WhenTset≤60°C,andupperwatertanktemp.<Tset-7°C(parameter14)orwhenTset>60°C,andupperwatertank
temp.≤Tset-3°C,thanE-heaterisON.
- When upper water tank temp. > Tset, E-heat is OFF.
- When there is malfunction for upper water tank temp sensor, the E-heater is forbidden to work.
• Temprange38°C-70°C,default50°C
• E-heatercontrol:.
-Whenupperwatertanktemp≤Tset-7°C(parameter14),E-heaterisON.
- When upper water tank temp > Tset, E-heat is OFF.
- When there is a malfunction for upper water tank temp sensor, the E-heater is forbidden to work.
In this mode, the fan will run at low speed, compressor and E-heater are OFF.
In this mode, the fan will run at low speed, compressor and E-heater are OFF.
Defrosting entry conditions:
•“Normaldefrost”.Whenthecoiltemperature≤1°C,andthecompressoraccumulativelyrunover45minutes(parameter6,ad-
justable),andifafterthat45min.coiltemperatureis≤-3°C(parameter7,adjustable),thanthedefrostingoperationstarts.
•“Timedefrost”.Ifcoiltemperaturesensorhasproblem(errorcodeP03),thesystemwill
transfertoFixedtimedefrostingprogram(thesameDefrostinginterval,parameter6,default
45min.).Whenambienttemperatureis≤10°C,Itstartsthedefrosting.Defrostingtimeis6min.
If ambient temperature >10°C, the system will not entry defrosting.
Defrosting quit conditions:
•Whencoiltemperature≥20°C(parameter8,adjustable)orthedefrostingtimereaches12min.(parameter9,adjustable,the
defrosting operation stops.
Aftertheunitentersdefrostortheunitisturnedobymanual,theaccumulatedtimeiscleared.
The minimum defrost running time is 1 minute.