Kaisai KHX-14PY3 User manual

OWNER’S MANUAL
AIR TO WATER HEAT PUMP
EN
#R290

AIR TO WATERAIR TO WATER
HEAT PUMPHEAT PUMP
Owner`s Manual
Thank you very much for purchasing our product,
Before using your unit , please read this manual carefully and keep it for future reference.
PL
KLIMAT Y Z ATO R
ŚCIENNY TYPU SPLIT
Instrukcja obsługi
Dziękujemy za wybór naszego produktu.
Dla zapewnienia prawidłowej obsługi, zapoznaj się z instrukcją i przechowuj ją do wykorzystania w przyszłości.
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prześlij wiadomość email na adres: [email protected], w celu uzyskania wersji elektronicznej instrukcji.
KHX-14PY3
KHX-16PY3

Content
1. Preface.......................................................................................... 5
2. Safety Instructions ....................................................................... 6
3. Features ........................................................................................ 9
4. Unit Dimension(mm)................................................................... 10
5. Parameters.................................................................................. 11
6. Display Operation Guide............................................................ 12
7. Failure List & Troubleshooting ................................................... 23

5
1. Preface
In order to provide the customers with high quality, strong reliability and good versatility
products, this heat pump is produced by strict design and manufacture standards. This manual
includes all the necessary information about installation, debugging, discharging and mainte-
nance. Please read this manual carefully before you open or maintain the unit.
The manufacture of this product will not be held responsible if someone is injured or the unit is
damaged, as a result of improper installation, debugging, unnecessary maintenance which is not
in line with this manual.
The unit must be installed by qualied personnel.
It is vital that the below instructions are adhered to at all times to keep the warranty.
-The unit can only be opened or repaired by a qualied installer or an authorized dealer.
-Maintenance and operation must be carried out according to the recommended time and
frequency, as stated in this manual.
-Use genuine standard spare parts only.
Failure to comply with these recommendations will invalidate the warranty.
Inverter air source water heat pump is a kind of high eciency, energy saving and environment
friendly equipment, which is mainly used for house warming. It can work with any kinds of indoor
unit such as fan coil, radiator, or oor heating pipe, by providing warm or hot water. One unit of
monoblock heat pump can also work with several indoor units.
The air source water heat pump unit is designed to have heat recovery by using super heater
which can provide hot water for sanitary purpose.

6
2. Safety Instructions
To prevent the users and maintainers from the harm of this unit, and avoid damage to the unit or
other property, and use the heat pump properly, please read this manual carefully and under-
stand the following information correctly.
Mark Notes
Icon Notes
Mark Meaning
A wrong operation may lead to death or grievous injury on people.
A wrong operation may lead to harm to people or loss of material.
Icon Meaning
Prohibition. What is prohibited will be nearby this icon.
Compulsory implement. The listed action needed to be taken.
ATTENTION (include WARNING)
Please pay attention to what is indicated.

7
Warning
Operation Meaning
Prohibition
DO NOT put ngers or others into the fan and evaporator
of the unit, otherwise harm may occur.
Shut o the
power
When there is something wrong or strange smells, the
power supply needs to be shut o to stop the unit.
Continue running may cause short circuit or re.
Operation Meaning
Prohibition
DO NOT put ngers or others into the fan and evaporator
of the unit, otherwise harm may occur.
Shut o the
power
When there is something wrong or strange smells, the
power supply needs to be shut o to stop the unit.
Continue running may cause short circuit or re.
Move and Repair Meaning
Entrust
When the heat pump needs to be moved or installed
again, please entrust dealers or qualied people to carry
it out. Improper installation will lead to water leakage,
electrical shock, injury or re.
Entrust
It is prohibited from repair the unit by the user himself,
otherwise electrical shock or re may occur.
Prohibit
When the heat pump needs to be repaired, please
entrust dealers or qualied people to carry it out.
Improper movement or repair on the unit will lead to
water leakage, electrical shock, injury or re.

8
Do not use means to accelerate the defrosting
process or to clean, other than those recommended
by the manufacturer.
The appliance shall be stored in a room and installed
in the environment without continuously operating or
potential ignition sources (for example: open ames,
an operating gas appliance or an operating electric
heater or Electric Spark or hot objects).
ATTENTION
Installation Meaning
Installation Place
The unit CANNOT be installed near the ammable gas.
Once there is any leakage of the gas, re may occur.
Fix the unit
Make sure that the basement of the heat pump is strong
enough, to avoid any decline or fall down of the unit
Need circuit
breaker
Make sure that there is circuit breaker for the unit, lack of
circuit breaker may lead to electrical shock or re.
Operation Meaning
Check the
installation
basement
Please check the installation basement regularly (once
a month), to avoid any decline or damage to the
basement, which may hurt people or damage the unit.
Switch o
the power
Please switch o the power when cleaning or maintaining.

9
Prohibition
It is prohibited from using copper or iron as fuse. The
right fuse must be xed by electricians for the heat
pump.
Prohibition
It is prohibited from spray the ammable gas to the
heat pump, as it may cause re.
3. Features
This series of heat pump unit owns following features:
3.1. Advanced Controlling
The PC micro-computer based controller is available for the users to review or set the running
parameters of the heat pump. Centralized controlling system can control several units by PC.
3.2. Nice Appearance
The heat pump is designed with beautiful looking. The monoblock one has the water pump
included which is very easy for installation.
3.3. Flexible Installation
The unit has a smart structure with compact body, just as simple outdoor installation is needed.
3.4. Quiet Running
The heat pump unit use a special designed heat exchanger to enhance whole eciency.
3.5. Good Heat Exchange Rate
The heat pump unit use a special designed heat exchanger to enhance whole eciency.
3.6. Large Working Range
This series of heat pump is designed to work under

10
4. Unit Dimension(mm)
4.1. Models: KHX-14PY3
4.2. Models: KHX-16PY3
Power line
Power line
Signal line
Signal line
Water outlet 1”
Water outlet 1”
238363
928
458
540
500
125
1287
1250
975
216
Water inlet 1”
Water inlet 1”
1330
985 155

11
5. Parameters
Model KHX-14PY3 KHX-16PY3
Power Supply / 380÷415V/3N~/50Hz 380÷415V/3N~/50Hz
Moisture Resistance IPX IPX4 IPX4
Electrical Shockproof I I I
Heating Condition - Ambient Temp, (DB/WB): 7/6°C, Water Temp, (In/Out): 30/35°C
Heating Capacity Range kW 5,40÷14,95 8,00÷22,00
Heating Power Input Range kW 1,05÷3,85 1,60÷6,90
Heating Current Input Range A 1,9÷6,8 2,8÷12,2
Cooling Condition - Ambient Temp, (DB/WB): 35/24°C, Water Temp, (In/Out): 12/7°C
Cooling Capacity Range kW 3,60÷10,50 4,20÷15,00
Cooling Power Input Range kW 1,12÷4,47 1,80÷7,30
Heating Current Input Range A 2,0÷7,9 3,2÷12,9
Hot Water Condition - Ambient Temp, (DB/WB): 20/15°C, Water Temp, (In/Out): 15/55°C
Hot Water Capacity Range kW 6,50÷18,50 10,00÷27,00
„Hot Water Power Input
Range” kW 1,27÷4,65 1,90÷7,10
„Hot Water Current Input
Range” A 2,4÷8,21 3,4÷12,5
Max, Power Input kW 5,3 9
Max, Current Input A 10,5 15,8
Water Flow m3/h 1,7 2,9
Refrigerant / Proper Input kg R290 / 0,85kg R290 / 1,30kg
CO2 Equivalent Ton 0,0026 0,0039
Sound Pressure (1m) dB(A) 44 47
Sound Power Level (EN12102) dB 58 62
Net Weight kg 160 202
„Operation Pressure(Low
Side)” MPa 0,8 0,8
Operation Pressure(High Side) MPa 3,0 3,0
Unit Dimension(L/W/H) mm 1287×458×928 1250×540×1330
Shipping mm 1420×540×1080 1380×570×1480
Dimension(L/W/H)
Compressor Brand HIGHLY HIGHLY
Circulation Pump Brand GRUNDFOS GRUNDFOS
Operating Ambient Temperature °C -25÷43 -25÷43
Fan Quantity / 1 2
Fan Motor Type / DC motor DC motor
Fan Motor Power Input (min~max) W 60÷120 60÷160
Fan Speed (RPM) RPM 220÷600 300÷750
Water Connection (inch) inch 1 1
Water Pressure Drop (max) kPa 20 65
Circulation Pump Head m 7,5 12,5
Cabinet Type Galvanized sheet+ ASA Galvanized sheet+ ASA

12
6. Display Operation Guide
6.1. Main Interface Display and Function
(1) Power on Interface
(2) Starting up Interface
13 12 11 10 9
8
7
14
15
6
5
43
2
1

13
Key function
Note:
2is home icon. This icon is shown by sliding the main interface.
3is tank water temperature. The machine is in hot water mode when this
icon is shown; Otherwise this icon is not shown.
6 is outlet water temperature or room temperature. If H25=0, the outlet
water temperature will be shown. If H25=1, the room temperature will be shown.
7 is Target Temperature of No.1 Unit.
8 is fault icon. This icon will ash when there is an error shown up,
then the display will enter failure record interface after tapping this icon;
9is defrosting icon. It will display in the defrosting process of the unit.
10 is timing mute icon which displays only when activated.
11 is timing switch which displays only when activated.
12 is ambient temperature.
13 is system time.
14 is current mode.
Key number Key name Key Function
1Lock screen
Click this key to lock the screen.
White represents not enabled, while blue
represents enabled
4On and o Click this key to switch ON or OFF. Blue
represents ON, while white represents OFF
5Temperature
setting
Click this key to set the target
temperature
15 Mode key
Hot water mode, heating mode, cooling
mode, hot water+ heating mode or hot water+
cooling mode can be selected by pressing
this key

14
6.2. ON/OFF
(1) In shutting down interface (on/o key is in white status),
press on/o key can start up the machine.
(2) In starting up interface (on/o key is in blue status), press on/o key can shut down the machine.
6.2.1. Mode switch

15
There are ve modes can be selected after sliding the mode icon.
(1) selecting hot water mode icon, then the display will change to this mode interface;
(2) selecting heating mode icon, then the display will enter this mode interface;
(3) selecting cooling mode icon, then the display will switch to this mode interface;
(4) selecting hot water+ heating mode icon, then the display will go into
hot water+ heating mode interface;
(5) selecting hot water+ cooling mode icon, then the display will come to
hot water+ cooling mode interface;
Note:
a) If the machine model you purchased has no cooling function, the key of cooling mode will not
be displayed.
b) If the machine model you purchased has no hot water function, the key of hot water mode
function will not be displayed.
In the main interface, there are ve modes that can be selected after tapping the mode key.
(1) tapping hot water mode icon 1, then the display will change to this mode’s interface;
(2) tapping heating mode icon 2, then the display will enter this mode’s interface;
(3) tapping cooling mode icon 3, then the display will switch to this mode’s interface;
(4) tapping hot water + heating mode icon 4, then the display will go into the hot water +
heating mode’s interface;
(5) tapping hot water + cooling mode icon 5, then the display will come to the hot water +
cooling mode’s interface;
Note:
If your unit is a heating-only model (without a cooling function), the „cooling” key will show on the
interface.

16
6.4. Setting interface display and function
Swipe from right to left on the main interface to enter the function setting interface, and swipe
from left to right on the function setting interface to return to the main interface. The function
setting interface is shown in the gure below.
Take hot water + heating mode for example:
(1) Tapping 1, the wire controller back to main interface;
(2) Sliding 2, the target temperature can be adjusted in the clockwise or
counter clock--wise direction;
(3) Tapping 3, the target temperature can be saved.
6.3. Setting of target temperature
1
2
3

17
6.4.2. Time setting
In the setup interface:
(1) Tapping the button 1, then the interface display is shown as follows:
6.4.1. Buttons description
Key number Key name Key Function
1Time setting Click this key to set the time function.
2Factory
parameter
Click the key and enter the password
to enter the factory parameter settings and
status parameters interface.
3Curve key Click this key to view the
temperature curve.
4Adjust brightness Click this button to adjust
screen brightness
5Fault Click to view fault history
5One key electric
heating
When activate electric heating function, the
color of the icon will turn blue, otherwise it will
turn white.
1 2 3

18
6.4.3. System time setting
In the time setting interface, click 1 interface displays as follows:
6.4.4. Mute Timer setting
Click the lock screen key again while the screen has been locked, the pop-up keyboard is shown
as following:
When entering the page of system time setting, the system time will be initialized to the time
at the moment when the system time setting button is pressed, and you can adjust the time by
sliding up and down.
Note: When the temperature unit is? the time format is displayed as: month-day-year hour:
minute: second.
1
3
2

19
6.4.5. Power Timer setting
In the time setting interface, click 3 interface displays as follows:
NO. Name Key color Button function
1
Whether enable the mute
timer on function
Enable: Blue
Disable: Gray
Click this key to enable or disable the
mute timer on function
Whether enable the mute
timer o function
Enable: Blue
Disable: Gray
Click this key to enable or disable the
mute timer o function
2
The mute timer on
setting point select from 0:00-23:59
The mute timer o
settingpoint select from 0:00-23:59
3
The status of mute timer on Enable: Blue
Disable: Gray The status of mute timer on is shown
The status of mute timer o Enable: Blue
Disable: Gray The status of mute timer on is shown
NO. Name Button function
1Timing switch function on Clicking the button, when the font color is blue,
the timing switch is on
2Week setting Set the day of the week to activate the
timing switch
1 2 3
4

20
3Time period setting Set the time to turn on and the time to turn o
4Turn page A total of 6 timing switch time periods can be set
which can be selected by turning the page
6.4.6. Temperature Curve
In the setup interface:
Tapping operating mode button 4, then the interface display is shown as follows:
6.4.7. Color Display Calibration
In the setting interface: Tapping operating mode button 5, then the interfacedisplay is shown
as follows:
Note:
1) This curve function records the water inlet temperature, water outlet temperature, tank water
temperature and ambient temperature;
2) Temperature data is collected and saved every ve minutes. Timekeeping is made from the la-
test data saving, if the power is disrupted when the time is less than ve minutes, the data during
such period will not be saved;
3) Only curve for power-on status is recorded, and that for power-o will not be saved;
4) The value of the abscissa indicates the time from the point on the curve to the current time
point. The rightmost point on the rst page is the latest temperature record;
5) Temperature curve record is provided with power-down memory function.