Page 1
Airtowaterheatpump
OperationalInstructions
Model: AEH/18
Page 2
General Specifications
Rated heating capacity: 18.4kW
Rated cooling capacity: 12kW (option)
Average heating input power: 4.6kW
Rated current: 9A
Hot water supply: 400 L/h
Water connection: DN25
Max outlet water temperature: 60°C
Noise: 55Db
Dimensions: 1120 x 490 x 1270mm
Packing Dimensions: 1200 x 520 x 1425mm
Weight: ~175kg
Recommended heating surface: 150 sqm
Power Supply: 220V or 380V
Compressor: COPELAND
Refrigerant: R407C
Hot water flow: 5000 L/h
Page 3
Airtowaterheatpumpoperationmanual
P1
Heat
Heat
Heat
Heatpump
pump
pump
pumpcontrol
control
control
controlinstruction
instruction
instruction
instruction
Ⅰ、Summarize
Summarize
Summarize
Summarize
Thecontrollerfirforsingle
or
doublecompressor(singlephase&threephase)
air
source,directoutlet
hotwater
or
circulatingheatingtypeheatpumpwaterheater.Thecontrolsystemconsistsofmainboard,
controlpanel,thermostat(optional).
Ⅱ、Main
Main
Main
Maintechnical
technical
technical
technicalparameters
parameters
parameters
parameters
1.Use
Use
Use
Usecondition
condition
condition
condition
Operatingvoltage:AC220～240V/380～410V±10%,50Hz～60Hz±1Hz
Operatingenvironmentaltemperature:-20～+75℃
Storetemperature:-30～+80℃
Relativehumidity:0～95％RH
2.T emperature
Temperature
Temperature
Temperaturecontrol
control
control
controlprecision
precision
precision
precision:
:
:
:1℃
3.The
The
The
Thecontrol
control
control
controlboard
board
board
boardcomplies
complies
complies
complieswith
with
with
withthe
the
the
thefollow
follow
follow
followrequirement:
requirement:
requirement:
requirement:
□GB4706.1-1998“Householdandsimilarelectricequipment
’
ssafetypart1—currency
requirement
□GB4706.32-1996“Householdandsimilarelectricequipment’ssafety,heatpump,
air
conditioneranddehumidifier’sspecialrequirement
□GB18430.1-2001“Steamcompressorcyclecoolingwaterheatpumpmachinesuitforindustryand
commerceusingandrelevantusing
□GB18430.2-2001“Steamcompresscyclecoolingwaterheatpumpmachine,householdandsimilar
purposecoolingwater(heatpump)units.”
□Anti-jammingdegreecomplieswithGB4343.2-1999
□PrintedCircuitBoardcomplywithGB4588.1andGB4588.2
’
srule
Ⅲ、The
The
The
Themain
main
main
mainfunction
function
function
functionof
of
of
ofc
c
c
control
ontrol
ontrol
ontrolpanel
panel
panel
panel
1
1
1
1.
.
.
.Heatingand/orcoolingwaterfunction
2
2
2
2.
.
.
.Show
Water
tanktemperatures,presettemperatures,runningstate,outputstate,clockandsoon.
3.
3.
3.
3.Caninquireaboutevaporatorpipetemp,environmentaltemp,exhausttemp,returngastemp,outletwater
temp,returnwatertemp,currentofcompressor,electricexpansionvalveopening,errorcodeandsoon.
4
4
4
4.
.
.
.Automaticallyrememberallparameters,ifpoweroff,andresumerunningautomaticallyafterpoweron.
5.
5.
5.
5.Clockworkonafterpoweroff,needn’treadjusteverytime.
6.
6.
6.
6.Turnon/offattwocertainperiodoftimewithin24hours.
7.
7.
7.
7.Supplyhotwaterattwocertainperiodoftimewithin24hours.
8.
8.
8.
8.Amendrunningparameterstobebestatallkindsofworkingcondition.
9.
9.
9.
9.Electricexpansionvalveiscontroledautomatically(accordingtothedegreeeofsuperheattoadjustintime)
10.
10.
10.
10.Automaticallydefrostingfunction(ithasdroppingwaterfunctionwhendefrosting)
11.
11.
11.
11.Forceddefrostingfunction.
Page 4
Airtowaterheatpumpoperationmanual
P2
12.
12.
12.
12.K
ey-presslockedautomatically.
13.
13.
13.
13.Functionoftimelimitedviapassword
14.
14.
14.
14.HugeLCDwithbluebackgroundandwhitewordsshowing.
15.
15.
15.
15.Perfectprotectfunction(lackofphaseandwrongpahseprotectionof3-phasesupply,compressorover
currentprotection,highpressureprotection,lowpressureprotection,lackofwaterprotectionandsoon).
16
16
16
16.High,middle,lowwaterlevelsensortestshowingoncontrolpanel
17.
17.
17.
17.Functionofsupplywaterautomatically(cansupplywateraccordingtotemp,alsocansupplywaternot
accordingtotemp)
18.
18.
18.
18.Returnwaterfunction
19.
19.
19.
19.Anti-frostfunction
20.
20.
20.
20.Heatpumpcanindentifyautomaticallyandstartuptoheatwaterundertheconditionofwithoutcontrol
panel(orcontrolpanelisbroken)
Ⅳ、main
main
main
mainboard
board
board
board
1,
1,
1,
1,Control
Control
Control
Controlboard
board
board
boardinput
input
input
input
Lowwaterlevelswitch(lead
or
probe)middlewaterlevelswitch(lead
or
probe)
highwaterlevelswitch(lead
or
probe)Lowpressureswitch
highpressureswitchwaterflowswitch
W
aterpressureswitchThreephaseAC-A,B,C
2,
2,
2,
2,Control
Control
Control
Controlboard
board
board
boardoutput
output
output
output
Circulatingpump(contactcurrent20A)auxiliaryelectricheating(contactcurrent8A)
Fanmotor(contactcurrent8A)waterSuppyvalve(contactcurrent8A)
Compressor(contactcurrent20A)Fourwayvalve(contactcurrent8A)
CrankcaseHeating(contactcurrent8A)Returnwaterpump(contactcurrent8A)
Hotwatersupplypump(contactcurrent8A)
3,Control
3,Control
3,Control
3,Controlboard
board
board
boardsimulation
simulation
simulation
simulationsignal
signal
signal
signalinput
input
input
input
W
atertanktemperature(rangeofmeasure:0-160dc),
Evaporatorpipecoiltemperature(rangeofmeasure:-30-110dc)
Returngastemperature(rangeofmeasure:-30-110dc)
Exhausttemperature(rangeofmeasure:0-160dc)
Environmentaltemperature(rangeofmeasure:-30-110dc)
Outletwatertemperatuer(rangeofmeasure:0-160dc)
Returnwatertemperature(rangeofmeasure:0-160dc)
Compressorcurrent(rangeofmeasure:0-30A)
Page 5
Airtowaterheatpumpoperationmanual
P3
water
tem
perature
s e
t
tem
perature
1 2 3 4 5 6 7
8
2
2
2
2，
，
，
，Operate
Operate
Operate
Operate
Controlpanelpower-on,buzzergivealongringing,LCDdisplayes,backgroundlightgivemicrolight,
now,thekey-pressarelocked,
it
isineffectivetotouchanykey.
2
2
2
2．
．
．
．1
1
1
1Unlock
Unlock
Unlock
Unlockkey-press:
key-press:
key-press:
key-press:touch“power”key
by
fingerformorethan3seconds,afterhear“toot”sound,moveaway
finger,nowbackgroundlightgivehighlight,key-pressareunlocked,key-lockedsignaldisappear(60s
later,ifanykeyisn’
t
pressed,keycanbelockedautomatically,key-lockedsignaldisplay).
2
2
2
2
．
．
．
．
2
2
2
2On/off
On/off
On/off
On/off:
:
:
:Touch“power”key
by
finger,ifcontrolpanelisunderONstate,thenpoweroff,ifcontrolpanelunde
r
OFFstate,thenpoweron.
2
2
2
2．
．
．
．3
3
3
3Water
Water
Water
Watertank
tank
tank
tanktemperature
temperature
temperature
temperaturesetting
setting
setting
setting：Touch
“▲”
，
“settemperature”signalflashanddisplaythepreset
temperatureofwatertank,touch“▲”again,thepresettemperatureofwatertankincrease.Touch
“▼”
，
“settemperature”signalflashanddisplaythepresettemperatureofwatertank,touch“
▼”
again,thepreset
temperatureofwatertankdecrease.Thesettingrangeofwatertankis20℃to60℃.
2
2
2
2．
．
．
．4
4
4
4Definite
Definite
Definite
Definitetime
time
time
timesetting
setting
setting
setting：Touch“timer”key,enterdefinitetimesettingstate.
Firstadjustthe“hour”ofthefirstperiodofdefinitetimeforpower-on,thentouch”timer”keyagain,then
adjustthe“minute”ofthefirstperiodofdefinitetimeforpower-on,touch“timer“keyagain,thenadjustthe
“hour”ofthefirstperiodofdefinitetimeforpower-off,touch“timer”keyagain,thenadjustthe“minute”ofthefirst
periodofdefinitetimeforpower-off.Touch“timer”keyagain,entertheseconddefinitetimesetting,theoperationis
thesameasthefirstdefinitetimesetting,untilfinishallthedefinitetimesetting,thenquitsetting.
Afterquitdefinitetimesetting,
it
displaytheandsignal.
ONOFF
2
2
2
2
．
．
．
．
4
4
4
4
．
．
．
．
1
1
1
1Can
cel
Cancel
Cancel
Canceldefinite
definite
definite
definitetime
time
time
time
：
Pre
ss“
ti
mer
“key
for3s,heara“toot”voice,thenmoveawayfinger,thendefinite
Ⅴ、c
c
c
con
on
on
ont
t
t
tr
r
r
rol
ol
ol
olp
p
p
pan
an
an
ane
e
e
el
l
l
li
i
i
il
l
l
ll
l
l
lu
u
u
us
s
s
st
t
t
tr
r
r
rat
at
at
ati
i
i
ion
on
on
on
1
1
1
1，
，
，
，c
c
c
con
on
on
ont
t
t
tr
r
r
rol
ol
ol
olp
p
p
pan
an
an
ane
e
e
el
l
l
lp
p
p
pi
i
i
ic
c
c
ct
t
t
tu
u
u
ur
r
r
re
e
e
e
Page 6
Airtowaterheatpumpoperationmanual
P4
timesettingcanceld
2
2
2
2
．
．
．
．
5
5
5
5Clock
Clock
Clock
Clocksetting
setting
setting
setting：press“timer”keyfor3s,heara“toot”voice,presscontinuingly,afterpressthe“timer”keyfor8s,
whenhear“toot”voiceagain,thenmoveawayfinger,enterclocksettingstate,
Firstadjustthe“hour”ofclock,press“timer”keyagain,thenadjust“minute”ofclock,press“timer”key
again,thenfinishsettingandquitsetting.
Note:clocksettingjustcanbeoperatedundertheconditionofthereisn’tdefinitetimeset.
2
2
2
2．6
6
6
6Force
Force
Force
Forcedefrosting
defrosting
defrosting
defrosting：aftertheheatpumpwaspoweronandthecompressorhasstarted,thenpress“
▼”
over8s,
whenheara“toot”voice,moveawayfinger,thenenterdefroststate,whenthetemperatureofcoil（evaporator
）
o
r
defrostingtimereachpresetparameter,thenquitdefrost.
2
2
2
2．7
7
7
7Cooling
Cooling
Cooling
Coolingmode
mode
mode
mode：Underheatingwatermode,press“▲”keyover8s,thenheara“toot”voice,entercooling
mode.Rangeofwatertemperatureadjusting:7℃-30℃，undercoolingmode,thenpress“▲”over8s,
enterheatingmode.
Parametersettingandinquiry（attachedtable1）
A
A
A
A
：function
function
function
functioninquiry
inquiry
inquiry
inquiry
Underpoweronstate,press“setting”key ,inquirycodeisfromA1toA9,ifsinglecompressorheatpump,
press“setting”keyagain,thenquitinquirystate,ifdoublecompressorheatpump,another9inquirycode
canbeinquired,from
b1
tob9,press“setting”keyagain,quitinquirystate.Pleasecheckfollowingstable：
B
B
B
B：function
function
function
functionsetting
setting
setting
setting
Underpoweronstate,press“setting”keyover3s,whenhear“toot”voice,moveawayfinger,
enterparametersettingstate,afterparameterset,press“setting”key,enternextparameter
setting,untilallthesettingofparametersarefinished,thenquitsetting.
Inquiry
code
Meaning(singlecompressor
Heatpump)
Meaning(doublesystCodeMeaning(doublesyst)
A1Coil(evaporator)temperatureCoil(evaporator)
temperature1
b1Coil(evaporator)
temperature2
A2ReturngastemperatureReturngastemperature1b2Returngastemperature2
A3ExhausttemperatureExhausttemperature1b3Exhausttemperature2
A4EnvironmenttemperatureEnvironmenttemperatureb4Environmenttemperature
A5OutletwatertemperatureOutletwatertemperatureb5Outletwatertemperature
A6ReturnwatertemperatureReturnwatertemperatureb6Returnwatertemperature
A70000b700
A8CompressorcurrentCompressorcurrent1b8Compressorcurrent2
A9Openingangleof
expansionvalve
Openingangleof
expansionvalve1
b9Openingangleof
expansionvalve1
ErDisplayoferrorcodeDisplayoferrorcodeErDisplayoferrorcode
SetcodeParameternamerangeInitial
///
W
atertanktemperature
20℃─60℃50℃
L1
T
empdifferentcebetweenwater
tankrealtempanddisplaytemp
0℃─15℃0℃
L2
T
empdifferencebetweencompressorstard
restart
tempandpresetwatertanktemp
3℃─18℃5℃
Page 7
Airtowaterheatpumpoperationmanual
P5
C
C
C
C：Error
Error
Error
Errorcode
code
code
codedisplay
display
display
displayand
and
and
andalarm
alarm
alarm
alarm：
L3Outletwatertempsetting(onlyforinstant
heatingmode)
35℃─99℃55℃
L4
W
atertanktempupperlimitsetting
30℃─99℃60℃(swimming
poolheat
pumpis45℃)
L5environmenttempatwhich
electricheatingstartup
0℃─35℃
0（0meanno
electricheat）
L6Returnwatertemperture
30℃─65℃45℃
L7
T
empatwhichcoolwatersupplyallowed
20℃─60℃20℃(20℃means
coolwatercan’tbesupplied)
L8Compressorcurrent0-48A0(0meansnotdetect)
h1Cycleofdefrost
20─99min
35min
h2
T
empofenterdefrosting
-15℃─1℃
-1℃
h3Runtimeofdefrost5-20min10min
h4
T
empofquitdefrosting
1℃─40℃
20℃
p1Cycleofelectricexpansionvalveregulating20-180S30s
p2Degreeofsuperheat
-8─15℃
0
p3Exhausttempallowedprotect
70℃─135℃90℃
p4Electricexpansionvalveopeningangle
whendefrosting
6-55degree50degree
p5Minopeningangleofelectricexpansion
valve
6-30degree15degree
P6Compensationofsuperheatdegree
0-12℃4℃
CodeDescriptionoffaultof
singlecompressorsystem
CodeDescriptionoffaultof
doublecompressorsystem
01Ewrongphase01Ewrongphase
02ELackofphase02ELackofphase
03E
W
aterflowswitch03E
W
aterflowswitch
05EHighpressure05EHighpressure1
06ELowpressure06ELowpressure1
07E07EHighpressure2
08E08ELowpressure2
09ECommunication09ECommunication
11ELimittime11ELimittime
12EExhausttemperaturetoohigh12EExhausttemperature1toohigh
13E13EExhausttemperature2toohigh
15E
W
atertanktempsensordamaged15E
W
atertanksensordamaged
16Ecoilpipe(evaporator)sensordamaged16Ecoilpipe(evaporator)sensor1damaged
17E17Ecoilpipe(evaporator)sensor
2damaged
18EExhaustsensordamaged18EExhaustsensor1damaged
19E19EExhaustsensor2damaged
Page 8
Airtowaterheatpumpoperationmanual
P6
Ⅵ、function
function
function
functiondescription
description
description
description
1
1
1
1．H
H
H
Heating
eating
eating
eating
1.1hydronicheating
1.1.1flowsheetofhydronicheating
poweron→waterlevelswitchtest→waterpressureswitchtest→cyclewaterpumpwork(16s)→waterflow
switchtest→fanwork（6s
）
→compressorwork（whenlowwaterleveldisconnect，coolwatersupplyswitcho
n,
compressor、fan、cyclewaterpumpwork.
1.1.2、Coolwatersupplycontrolling
（1）whenlowwaterlevelswitchdisconnected,coolwatersupplyswitchonandbeginsupplywater,cyclewater
pumpstartup,fanoff,compressoroff.
（2）whenlowwaterlevelswitchon,cyclewaterpumpon,fanon,compressoron,hydronicheatingbegin.
meanwhilewatersupplyvalvebegintosupplywateraccordingtothepresetwatersupplytempL7.：ifwater
tanktemperature≥L7，watersupplyvalveopen，supplywater；ifwatertanktemperature≤L7-5degree，water
supplyvalveclose，stopsupplyingwater.
（3）afterhighwaterlevelcloseup,stopsupplyingwater.Ifhighwaterlevelhasclosedupbefore,whenitdisconnect
again,notsupplywateratonce,itwillsupplywateruntilmiddlewaterleveldisconnect.
Notice:：ifL7=20℃,watersupplyisnotcontroled
by
watertemperature.
1.1.3、watertemperaturecontrolling
Rangeofwatertemperaturecontrolling：35-60℃，
1.1.4Runningcontrolling
ON
OFF
L2presetwatertemperaturewatertemperature
1.2Instantlyheating
21EEnvironmentsensordamaged21EEnviormnetsensordamaged
22EReturnwatersensordamaged22EReturnwatersensordamaged
23E23E
25E
W
aterlevelswitchdamaged25E
W
aterlevelswitchdamaged
26E26E
27EOutletwatersensordamaged27EOutletwatersensor1damaged
28E28EOutletwatersensor2damaged
29EReturngassensordamaged29EReturngassensor1damaged
30E30EReturngassensor2damaged
31E
W
aterpressureswitchdamaged31E
W
aterpressureswitchdamaged
32ECoolingwatertemptoolow32ECoolingwatertemptoolow
33E33E
34E34E
35ECompressorovercurrent35Ecompressor1overcurrent
36E36Ecompressor2overcurrent
Page 9
Airtowaterheatpumpoperationmanual
P7
1.2.1Poweron→waterpressureswitchtest→openwatersupplyvalvetosupplywater→fanon→compressoron,
afterhighwaterlevelconnected,watersupplyvalveclose,ifwatertanktemperaturedoesn’
t
reachpreset
temperature,cyclewaterpumpon,waterwasheatingtopresettemperaturecircularly,thenpoweroff.
1.3Supplywatercontrolling
（1)whenhigh
、
middle、lowwaterlevelswitchesalldisconnect,watersupplyvalvesupplywater,thencheckwa
ter
pressureswitch,ifwaterpressureswitchisclosedup,thenfanon,compressoron,thermostaton,beginto
supplywateruntillhighwaterlevelswitchclosedup,thermostatandwatersupplyvalveclose,stopsupplying
water.
（2）ifhighwaterlevelswitchhavebeenclosedup,whenthehighwaterlevelswitchdisconnect,itwillnotsupply
wateratonce,itmustuntillmiddlewaterleveldisconnect.Thenwatersupplyvalveon,fanon,compressoron,
thermostaton.
1.4
Water
temperaturecontrolling
Rangeofwatertemperaturecontrolling:35-65℃
,
whenpresettemperaturereach60℃
,
ifwanttosetthewater
temperature＞60℃
,
press▲keyover6s
,
whenhearinga“toot”voice,moveawayfinger,press▲keyagain,
nowthemaxwatertemperaturecanbesetat65℃.
1.4
.1
Runningcontrolling
ON
OFF
Lowwaterlevelhighwaterlevel
2
2
2
2.Auxiliary
.Auxiliary
.Auxiliary
.Auxiliaryelectric
electric
electric
electricheating
heating
heating
heatingcontrolling
controlling
controlling
controlling
2.1
2.1
2.1
2.1Conditionofauxiliaryelectricityheatingstartup
A.underheatinghotwaterstate;
B.watertanktemperature+5℃≤presettemperature
C.watertanktemperature＜45℃;
D.environmentaltemperature≤L5
Alloftheaboveconditionsaremetatthesametime,theauxiliaryelectricheatingstartup.
2.2
2.2
2.2
2.2Conditionofauxiliaryelectricityheatingstop.
A.underforceddefrostingstate;
B.watertanktemperature≥presettemperature
C.watertanktemperature≥50℃
D.environmentaltemperature＞L5
A
ny
oneofaboveconditionsismet,theauxiliaryelectricheatingwillstop
3
3
3
3、Defrosting
Defrosting
Defrosting
Defrostingrunning
running
running
running（attheconditionofparametersarenotchanged,thedefaultdefrostingprocessofsystemis
following，ifneedamending,thendefrostingwillbeaccordingtotheamendedmethod）
3.1、conditionsofenterdefrosting
A,cumulativeruntimeofcompressorreach35minuteswhenheating,andcontinuingruntimeover6minutes
B,evaporatorcopperpipetemperatureunderh2(theoriginalvalueis-1℃,changeable)；
IfbothA,Bconditionsaremet,thenenterdefrosting,frombeginningtotheendofdefrosting,LCDdisplay
defrostingsignal.(whendefrosting,cyclewaterpumpon,4-wayvalveon,compressoron,fanoff,thermostatoff)。
C,Runningstatewhendefrost:
Compressoroff,fanoff,postpone50s
,
4-wayvalveopen,postpone40sstill,compressoron,cyclewaterpumpon.
3.2、conditionsofquitdefrosting
Page 10
Airtowaterheatpumpoperationmanual
P8
A:Evaporatorcoilpipetemperature≥h4(originalvalueis12℃
,
changeable)
B:Defrostingtime≥h3(orgininalvalueis10minutes,changeable)
Note:anyoneofaboveconditionismet,Systemquitfromdefrosting,specificactionandtimesequenceas
followingchart:
C:Runningstate:compressoroff,fanon,postpone60S,fourwayvalveoff,postpone30sstill,compresoron,cycle
waterpumpon.
3.3forceddefrosting
Undertheconditionofpoweron,andcompressorstartuptoheatingwater,Touch▼keyover8s,whenheara
“toot“voice,moveawayfinger,enterforceddefrostingstateatonce,whenforceddefrostingmeetpresettime
or
presettemperature,systemquitfromforceddefrostingstateautomatically,enternormalheatinghotwaterstate.
4.Cooling
4.Cooling
4.Cooling
4.Coolingwater
water
water
waterrunning
running
running
running
Afterheatpumppoweron,touch▲keyforover8s,whenheara“toot”voice,moveawayfinger,entercooling
watermode,touche▲keyagainforover8s,whenhear“toot”voice,moveawayfinger,thenenterheathotwater
mode.
5
5
5
5.
.
.
.Cycle
Cycle
Cycle
Cyclewater
water
water
waterpump:
pump:
pump:
pump:
W
aterpumpturnonwhenheatpumprunning,ifheatpumpstop,postpone30s,thenwaterpumpstop(ifselect
instantlyheatingmode,whenwatersupplyvalveandthermostatturnon,thencyclewaterpumpturnedoff,
it
just
turnonwhenthewaterintankneedtoreheat).
6.four
6.four
6.four
6.fourway
way
way
wayvalve:
valve:
valve:
valve:
4-wayvalveturnoffatnormalheatingwaterstate,itjustturnonwhendefrost.Butifcoolingwater,itturnon.
7.
7.
7.
7.Water
Water
Water
Watersupply
supply
supply
supplyvalve:
valve:
valve:
valve:
Referwatersupplycontrolling(whendefrosting,
it
doesn’tsupplywater)
8.
8.
8.
8.crankcase
crankcase
crankcase
crankcaseheating
heating
heating
heating
Whenenvironmenttemperature<8℃
,
crankcaseturnson,whencompressorstartup,crankcaseheatingstop.if
compressordon’trunwithinonehour,crankcaseheatingturnson;Wheninvironmenttemprerature≥8℃
,
crankcaseheatingstop.
9.
9.
9.
9.Return
Return
Return
Returnwater
water
water
watervalve
valve
valve
valve:
:
:
:
Theconditionofreturnwatervalveopen
A.Lowwaterlevelswitchon
B.
Water
tanktemperature≥L6+5℃
B.Returnwatertemperature≤≤L6
D.Thepresetintervaltimeofwaterreturnisreach.
Aboveconditionsaremetatthesametime,returnwatervalveopen.
Theconditionofreturnwatervalveclose:
Page 11
Airtowaterheatpumpoperationmanual
P9
Whenretrunwatertemperature≥L6,returnwatervalveclose.
10.
10.
10.
10.Automatical
Automatical
Automatical
Automaticalrunning:
running:
running:
running:
Undertheconditionofnocontrolpanel
or
controlpanelisdamaged,systemcheckabout
1
minute,confirm
thereisnotcontrolpanelenterautomaticalcontrolling.
Whenrunautomatically:
W
atertankpresettemperature=55℃
Presetoutletwatertempofdirectoutletwater=50℃
Deviationvalueof
W
atertanktemprerature=0
T
empdifferenceatwhichCompressorcanrestartaftercompressorstop=5℃
Periodofdefrosting=35minutes
T
emperatureatwhichsystementerdefroststate=-5℃
Defrostruntime=8minutes
T
emperatureatwhichsystemquitdefroststate=20℃
T
emperatureatwhichelectricheatingstartup=10℃
Returnwatertemperture=45℃
W
atersupplytemperature=40℃
Degreeofsuperheat=0℃
Noncheckcompressorcurrent.
Ⅶ、Protection
Protection
Protection
Protectionillustration
illustration
illustration
illustration
1、Pretectionofcompressorpostpones3minutes,bothcompressorturnonandoffneed3minutes.everytime,
compressorneeds3minutestorestartafter
it
stoped.
2、Water
flowswitchprotection(hydronicheatingsystemuseit).
Afterpress“power”key,
andcyclewaterpump
run,ifwaterflowswitchoff,thencompressorandfanoff.
3、Highexhausttemperaturepretection:whenexhausttemperature≥115℃andlast30s,systemconsider
temperationistoohigh,closeoutput,displayerrorcode,3minuteslatersystemcanrestart.
4、Highpressureprotection
：
whenhighpressureswitchdisconnect3timeswithinanhour,displaypanelshowerr
or
codeandalarm.Thencompressoroff,fanoff,cyclewaterpumpoff.Afterhighpressureswitchrecover
,
postpone3minutes,compressorrestart,Ifhighpressureswitchdisconnectover3timeswithinanhour,control
panellocktheerror,turnoff
all
outputsignal,andwillnotrestartwhetherpressureswitchwillrecoverornot.
5、Lowpressureprotection.whenlowpressureswitchdisconnect3timeswithinanhour,displaypanelshowerror
codeandalarm.Thencompressoroff,fanoff,cyclewaterpumpoff.Afterlowpressureswitchrecover,postpone
3minutes,compressorrestart.Iflowpressureswitchdisconnectover3timeswithinanhour,controlpanelwill
locktheerror,close
all
outputsignal,andwillnotrestartwhetherpressureswitchwillrecover
or
not..(Remarks:whendefrosting,
or
within
5
minutesaftercompressorstartup,systemdoesn’ttestlowpressure
switch)
6、Sensorerror:ifsensoroccureerror(brokencircuitorshortcircuit),
all
outputstop,andshowerrorcode.Sensorcan
restartaftererroedisappear.
7、Threephaseprotection：whendialswitch
1
selectnumberside,ithasthreephasetestfunction,
it
willtestthree
Page 12
Airtowaterheatpumpoperationmanual
P10
phasesupplyassoonaspoweron.Iflackofphase
or
wrongphase,systemwillenterthreephaseprotection,
turnoff
all
outputandshowerrorcode,itwillrecoveronlywhentroubleremovaledandpoweronagain.
8、Anti-frostprotection:whenenvironmenttemperature≤5℃，ifcompressorunderstoppingstateover30
minutes,thencyclewaterpumpwillstartandrun30S.(cyclewaterpumpwork30sper30minutes)
9、
Water
pressureswitchprotection:coolwatersupplymagnetvalveopen,aftercontrollerdetectedwaterpressure
switchofffor6scontinuingly,turnoff
all
output,showerrorcode,untillwaterpressureswitchon.Systemwill
restart3minuteslater
10
10
10
10、Compressorovercurrentprotection:aftercompressorstartedandrunsfor6s,testcompressorcurrent,if
compressorcurrent≥L8andlast6s,turnoff
all
output,iftheovercurrentiscaused
by
lackofphase,thenthe
controlpanelwillshowlackofphaseerrorcodeandalarm,systemwillrestartafterfaultremovaled.
Page 13
Airtowaterheatpumpoperationmanual
P11
Ⅷ、single
single
single
singlecompressor
compressor
compressor
compressorheat
heat
heat
heatpump
pump
pump
pumpmain
main
main
mainboard
board
board
boardillustration
illustration
illustration
illustration
Remarks:
Dialswitch1selectONsideissingle-phasesupply,selectnumbersideisthree-phasesupply.
Dialswitch2selectONsideiscommonheatpump,selectnumbersideisswimmingpoolheatpump.
Dialswitch3selectONsideisnon-online,selectnumbersideisonline..
Whenselectlinkage,iflinkageswitchon
,
thenpospone16s
,
cyclewaterpumpstart,then16slater,fanstart,
then16slater,compressorstart.
Dialswitch4selectONsideiscircularmode,selectnumbersideisstraightoutlet+circularmode
Page 14
Airtowaterheatpumpoperationmanual
P12
Ⅸ、double
double
double
doublecompressor
compressor
compressor
compressorheat
heat
heat
heatpump
pump
pump
pumpmain
main
main
mainboard
board
board
board
Remarks:1：
Dialswitch1selectonsideis1phasesupply,selectunmbersideis3phasesupply.
D
ial
switch
2
selectonsideiscommon
air
sourceheatpump,selectnumbersideisswimmingpool
heatpump.
D
ial
switch3selectonsideishydronicheatingmode,selectnumbersideisdirectoutlet+hydronic
heatingmode.
Page 15
Airtowaterheatpumpoperationmanual
P13
380V
380V
380V
380Vsingle
single
single
singlecompressor
compressor
compressor
compressorheat
heat
heat
heatpump
pump
pump
pumpwir
wir
wir
wiring
ing
ing
ingdiagram
diagram
diagram
diagram
A
B
C
N
PE
COMP
KM1
FR1
FAN
PUMP
KM1
FR1
C
Crankcase
heater
red
blue
yellow
A
B C
N
TH1
TH2
TH3
TH4
TH5
TH6
TH7
1
2
3
4
5
6
4wV
water flow
switch
TH7
TH6
TH5
TH4
TH3
TH2
TH1
power supply
3N380V~50Hz
high pressure
low pressure
return water temp
return gas temp
outlet water temp
exhaust gas temp
environment temp
evaporator coil temp
water tank temp
N
H
P P
L
2.6-3.2MPa 0.15-0.3MPa
control panel
electric expansion valve
1234
ONDIP
COMP
PUMP
4wV
fan
electric heater
water supply valve
Page 16
Airtowaterheatpumpoperationmanual
P14
220Vsingle
single
single
singlecompressor
compressor
compressor
compressorheat
heat
heat
heatpump
pump
pump
pumpwir
wir
wir
wiring
ing
ing
ingdiagram
diagram
diagram
diagram
L
N
PE
COMP
KM1
FAN
PUMP
KM1
FR1
C
Crankcase
heater
red
blue
yellow
A
B C
N
TH1
TH2
TH3
TH4
TH5
TH6
TH7
1
2
3
4
5
6
4wV
water flow
switch
TH7
TH6
TH5
TH4
TH3
TH2
TH1
POWER
SUPPLY
1N220V~50Hz
high pressure
low pressure
return water temp
return gas temp
outlet water temp
exhaust temp
environment temp
evaporator coil temp
water tank temp
N
H
P P
L
2.6-3.2MPa 0.15-0.3MPa
control panel
electric expansion valve
1234
ONDIP
comp
PUMP
4wV
fan
electric heater
supply water valve
C
CRS
Page 17
Airtowaterheatpumpoperationmanual
P15
380V
380V
380V
380Vdouble
double
double
doublecompressor
compressor
compressor
compressorheat
heat
heat
heatpump
pump
pump
pumpwir
wir
wir
wiring
ing
ing
ingdiagram
diagram
diagram
diagram
A
B
C
N
earth wire
2#compressor
KM2
FR2
FAN
cycle
water
pump
KM1
FR1
C
crankcase heating
red
blue
yellow
A
B C
N
TH1
1
2
3
4
5
6
4wV
water flow switch
TH7
TH6
TH5
TH4
TH3
TH2
TH1
power supply input
3N380V~50Hz
high pressure protection
low pressure protection
return water temp
return gas temp2
return gas temp1
environment temp
exhaust temp2
exhaust temp1
evaporator coil temp2
N
H
P P
L
2.3-2.8MPa 0.05-0.15MPa
control
panel
electric
expansion
valve
123
ON
cycle
water
pump
fan
auxiliary electric heating
water supply valve
4-way valve
compressor1
double compressors system wiring diagram
1#compressor
KM1
FR1
TH2
TH3
TH4
TH5
TH6
TH7
TH8
TH9
TH10
TH11
KM2
FR2
compressor2
return water valve
transformer
TH8
evaporator coil temp1
TH9
outlet water temp2
TH10
outlet water temp1
TH11
water tank temp
Page 18
Airtowaterheatpumpoperationmanual
P16
WARRANTY
WARRANTY
WARRANTY
WARRANTY
Dearcustomers,
Thankyouforusingourproducts.
We
willsupplyyouwithcompleteafter-servicesaccordingto
“SUN&DAY”and“Newthreeguaranteesofquality”.Pleasereadourinstructionformoredetailbeforeusing,so
thatyouknowhowtoinstallanduseproperlyitsexcellentcharacteroffunction.Ifyouhaveanyproblems
or
suggestions,pleasecontactthelocalagent
or
appointedRepairCompany.Theywillgiveyougoodanswerandbetter
service.
Themeanwhile,Pleasesendthecertificationthatyoucutawayfromwarrantycardtoourcompanyafteryou
installtheheatpumpintwoweeks.
We
willrecord
it
validly,andthenyourheatpumpwillgetrepairsforeverfrom
thedaywhenyoubrought
it
(Excepttheprojectmachinewhichfixperiodis1year).Duringwarrantyperiodwecan
freelysupplyaccessory.Afterthattimeyoushouldpayforrelevantmaterialfee.
Ifthereisproblem,pleasewritedownthesituationaboutproblem&theNo.ofcertificationandinformour
company,thenwewillsendpersontorepair
it.
Butthefollowsituationsarebeyondourfreerepairprogram.
1.
Theforcesofnaturecausedtheproblem.A>Flood,earthquake,typhoon,snowstorm,andthunderand
lighting.B>Pleasecleanuptheinside,wateraroundcondenserwhennotusing
it
Whentemperatureis
belowzero5Cdegreeandthereisnoelectricity .Makesureitisnotdamaged
by
ice.
2.
Incorrectaction.Forexample:Didn’tcleanevaporator,lackingofwater,notenoughvoltageandsoon.
3.
Theproblemcaused
by
overuserange.A>beyondthefixedtemperaturerange,Using
it
whenthe
voltageistoohigh
or
too
low.
B>themachineworkscontinuouslyover12hoursperiodleadingto
compressordamaged.
4.
Theproblemcaused
by
changecircuitboard
or
changeaccessorywithoutpermission
5.
Theproblemcaused
by
repairs,ifdone
by
someonenotcertified
by
ourcompany.
6.
Theproblemcause
by
incorrectinstallation.A>themistakeofmisleadpipeB>themistakeofmislead
cable.C>Modifiedproductswithoutpermission.
We
reservetherightoftheproblemofthefinalrelease
Repairrecord
DateReasonRepaircompanyMemory
Page 19
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