EcoSpring ES190 Operating instructions

INSTALLATION & 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.
All In One Type Air-source Heat Pump Water Heater
EcoSpring ES190
Verson 1.0 Sep.2011

WARNING
This unit is required reliable
earthing before usage,otherwise
might cause death or injury
!
Please ask skilled service persons
for reliable earthing connection
（Refer to part 6.1）
Your safety is the most important thing we concern !

PARTS NAMES
NOTE
All the picture in this manual are for explanation purpose only. They may be slightly different from the heat pump water heaterr you
purchased (depand on model).The actual shape shall prevail.
Fan Unit
PT Valve
Top Cover
Evaporator Filter
Magnesian Stick
Rear Cover
Front Cover
Water Outlet
Water Inlet
Drain port
Electric Heater
Cover,Electric Heater(Upper)
Front Decorative Board
Temperature Sensor T5
Electronic Control Box
Power Connect Box and cover
Compressor
Display
Magnesian Stick Cover
Thermostat TCO
Thermostat TOD
Water Inlet

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Installation & Owner‘s Manual
CONTENTS PAGE
1. PRECAUTIONS
To prevent injury to the user, other people and/or property damage,
the following instructions must be followed. Incorrect operation may
cause harm or damage.
WARNING
WARNING
CAUTION
Failure to observe a caution may result in injury or
equipment damage.
Failure to observe a warning may result in death or serious
injury.
The water heating unit must be earthed effectively.
For the purpose of warning and reminding, do not tear off the
labels on the unit.
The safety precautions listed here are divided into two categories.
In either case, important safety instructions are listed to which
close attention must be paid.
WARNING
Ask professional installer for installation of the air source heat
pump water heating unit.Improper installation may result in
water leakage, electric shock, or fire.
This appliance shall be installed in accordance to AS/NZS
standards.
This appliance should not be used by children without
supervision.
Ask professional service person for repair and maintenance.
Improper repair and maintenance may result in water leakage,
electric shock or fire.
In order to avoid electric shock, fire or injury, if any abnormal-
ity is detected, such as smell of fire, turn off the power supply
and contact your service agent for instructions.
Never use wire or fuse with incorrect current. Use of wrong
wire or fuse may cause the unit to break down or a fire.
Do not insert fingers, rods or other objects into the air inlet or
outlet. When the fan is rotating at high speed, it will cause
injury.
Never use flammable spray such as hair spray or lacquer
paint near the unit. It may cause a fire.
Never touch the air outlet or the horizontal blades while the
swing flap is in operation. Fingers may be caught or the unit
may break down.
Never put any objects into the air inlet or outlet. Objects
touching the fan at high speed can be dangerous.
If the supply cord is damaged, it must be replaced by the
manufacturer or your installer or a similarly qualified personnel
in order to avoid hazard.
An all-pole disconnection device which has at least 3mm
separation distance in all pole and a Residual Current Device
(RCD) with a rating of above 10mA shall be incorporated in
the fixed wiring according to the AS/NZS standards.
DISPOSAL:Do not dispose electrical appliances as unsorted
municipal waste, use separate collection facilities.
Contact you local government for information regarding the
collection systems available.
If electrical appliances are disposed of in landfills or dumps,
hazardous substances can leak into the groundwater and get
into the food chain, damaging your health and well-being.
1
2
2
4
5
6
9
10
16
18
19
A creepage breaker must be installed near the power supply.
PRECAUTIONS......................................................................................
ACCESSORIES......................................................................................
INSTALLATION LOCATION.....................................................................
INSTALLATION .....................................................................................
PIPELINE CONNECTION .......................................................................
DUCT CONNECTION WAY.......................................................................
ELECTRIC CONNECTION.......................................................................
OPERATING INSTRUCTION...................................................................
RUNNING AND CAPABILITY...................................................................
MAINTENANCE......................................................................................
SPECIFICATIONS...................................................................................

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Installation & Owner‘s Manual
CAUTION
The earth pole of terminal must be earthed,and the rated
current should be more than 20A. Make sure that power
supply terminal and power supply plug are dry and have a
good connection.
Method: Turn on power supply, run the unit for 30 minutes
then turn it off and check whether the power supply plug is
hot. If it is hot (more than 50℃), it need to be replaced to
prevent potential electric shock or fire.
Do not use the air-source water heater for other purposes.
Before cleaning, be sure to stop machine operation by turning
off the breaker or power supply. If not, electric shock or other
injury may be caused.
A tempering valve needs to be installed as per Australian and
New Zealand plumbing code.
In order to avoid injury, do not remove the cover on the unit.
Do not touch the electric supply with wet hands. Electric shock
may be caused.
The installation height of power supply should be over 1.8m
for safety purposes.
All valves installed must comply with Australian and New
Zealand standard.
It is normal if some water drops from the TPR valve drain pipe
during operation. However, if the water is in great amount,
contact your installer for instructions.
After using the unit for a long period (years), check the unit
stand and fittings. If damaged, the unit may fall and result in
injury.
Ensure the drain pipe goes into the proper drainline or a safe
place outdoor. Improper drain pipe may cause leaking into the
building and damage furnitures, etc.
Do not touch the inner parts of the controller.
Do not remove the front panel. Some parts inside are
dangerous to touch. Electric shock and/or machine
malfunction may be caused.
Do not turn off the power supply during operation. System will
stop or restart heating automatically depending on water
temperature. A continuous power supply for water heating is
necessary, except for service and maintenance.
2. ACCESSORIES
Table.2-1
1
1
Accessory Name Qty. Shape Purpose
Installation &Owner’s
Manual
For installation and instruction
3. INSTALLATION LOCATION
Enough space for installation and maintenance shall be
preserved.
The air inlet and outlet should be free from obstacles and strong
wind.
The bearing surface should be flat, able to bear weight of the
unit and suitable for installing the unit without increasing noise
or vibration.
Install the unit in a location where operation noise is unlikely to
cause disruption. The use of the timer function can reduce this
possibility.
Avoid installing the unit where gas leakage may be present.
Convenient for piping and wiring.
If unit is installed indoor, it might cause declination of indoor
temperature and noise disturbance, Please take preventive
measures for this.
If the unit need to be installed on a metal holder, make sure the
unit is been well insulated and installed in accordance with
AS/NZS standards.
CAUTION
Installing the equipment in any of the following places may
lead to malfunction of the equipment (if it is inevitable, consult
the supplier).
Place where mineral oils such as cutting lubricant is present.
Seaside where the salt concentration in air is high.
Hot spring area where corrosive gases such as sulfide gas
exist.
Factories where the power voltage fluctuates extremely.
Inside a car or cabin.
Drainage Adaptor
Australian and New Zealand standard plumbing valve kits are to
be used.
Drain condensed water

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Installation & Owner‘s Manual
A
H
Fig.3-1
Fig.4.1
Display
Fig.3-2
Air outlet
unit: mm
unit: mm
Barrier
≥600 ≥300 ≥100
≥600
≥500
≥100
Place like kitchen where oil permeates.
Place where strong electromagnetic waves exist.
Place where flammable gases or materials exist.
Place where acid or alkali gases evaporate.
Other special environments.
Use appropriate tools and equipments to transport the unit,
and ensure the unit is not damaged during transportation.
If the unit has to be installed on a metal part of the building,
electric insulation must be installed, and the installation must
meet relevant AS/NZS standards for electric devices.
Installation space and duct connection
Before installing the unit, leave enough space for sufficient air
flow and ease of maintenance as shown in figure 3-1 to 3-6
below.
WARNING
4. INSTALLATION
Ask your installer to install the air-source heat pump water
heating unit. Inccorrect installation performed may result in
water leakage, electric shock, or fire.
Unit installed in a complete unsheltered open area is not
allowed.
The unit must be securely fixed and level, or else may result in
noise and vibration.
Make sure that there is enought space around the unit.
In places where there is strong wind such as seashore or
hillside, fix the unit in a location protected from the wind.
Carry the unit onto the site
In order to avoid scratch or deformation of the unit surface,
apply guard boards to the contacting surface.
Do not incline the unit more than 45° when moving, and
keep it vertical when installing.
This system is very heavy, it need to be carried by 2 or more
people, otherwise may cause injury or unit damage.
Install the unit.
The circulating air for every unit should be more than 700m3/h.
Make sure there is enough installation space.
Outline dimensional drawing(see Fig.4-1,Fig.4-2)

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Installation & Owner‘s Manual
5. PIPELINE CONNECTION
Fig.5.1
Pipeline Connection Sketch
Water Outlet
User
Water Inlet
Barrel-drain
Drain port
PT Valve
Upper
Condensate Outlet
Lowerr
Condensate Outlet
B
Fig.4.2
User
User
Dimension
H (mm)
1580
￠A (mm)
568
Model
RSJ-15/190RDN3-C
Table. 4-1
5.1
Pressure Limiting&
Strainer& Non-return valve
Cold water
expansion valve
Tempering Valve
CAUTION
When installing the main unit, please install an isolationg valve at the
drain line to the drain.
Pipeline Connection Explanation
Install the water inlet/outlet pipes and pipe for TPR valve in
accordance with the AS/NZS standards.
NOTE
● Do not dismantle the TPR valve,
● Do not block off the drainage pipe,
Explosion and injury may be caused if installation do not
comply with the above instruction.
EXPLOSION
Handle
Drainage
pipe
All installed valves include Pressure Limiting Valve, Filter,
Non-return Valve, Cold Water Expansion Valve, and
Tempering Valve. These valves must be installed as Austrilia
and New Zealand Standard.
For indoor installation, a water tray as suggested in Fig 5-2 is
recommended to prevent leakage due to blockage during
draining.
Fig.5-2
50mm larger than
the dia. of HPWH
Max.22mm
TPR valve should be checked by pulling the valve up per half
year to ensure there is no blockage of the valve.
Please beware of burn caused by the high
temperature of water. The drainage pipe
should be well installed, in order to avoid
freezing in cold weather.
Heat Pump
Water Heater

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Installation & Owner‘s Manual
WARNING
Fig.6.1
6. ELECTRIC CONNECTION
6.1 Specifications of Power Supply
6.2 Electric leakage protector
.
Table.6-1
30/20
30 mA
≤
0.1sec
Creepage Breaker
Earth wire(mm2)
Manual Switch(A) Capcity/Fuse
Model Name
Power Supply
Min. Diameter of Powe
Supply Line(mm2)
220-240V～ 50Hz
2.5/3-core
RSJ-15/190RDN3-C
The power cord type designaion is H07RN-F , and it should
comply with local electric standard.
L
N
E
Power Cable with
Creepage Breaker
Creepage Protector
Plug/Socket
Power Supply
2.5
The unit must install a Creepage Breaker near the power supply
and must be effectively earthed, shown as Fig.6.1
The power supply for the unit must be specialized according
to the rated voltage.
Earthing must be included in the power circuit, and it must be
connected with the effective external ground wire.
The wiring must be performed by qualified electrician
according to the circuit diagram.
Electric leakage protector should be set according to the
relevant AS/NZS electrical standards.
The power cord and additional display connection cord shall
be laid out neatly and preperly without mutual interference
or in contact with the connection pipe or valve.
After wire connection is finished, check again to ensure
the installation is correct before power is supplied.
CAUTION Multimeter is recommanded to be used to check if the Earthing
is Reliable.

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Installation & Owner‘s Manual
TOD: Thermostat TOD
TCO: Thermostat TCO
Fig.6.2
6.3 Electric Wiring Diagram
T3: Evaporator Temp. Sensor
T4: Ambient Temp. Sensor
TP: Discharge Temp. Sensor
Earthing
T5:
Tank Temp. Sensor
Aboard modelDomestic model
Amloient temperature sensor
wired
Wired

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Installation & Owner‘s Manual
CAUTION
CAUTION
7.1 Operation steps
7. OPERATING INSTRUCTION
Before turning on this unit, please follow the steps below.
Filling water: If the unit is used for the first time or used again after draining the tank, please make sure that the tank
is full of water before power is turned on.
See Fig.7-1
Water filling
Hot water outlet
Close
Water out
When water flows out of the water
outlet, the tank is full. Turn off the hot
water outlet valve and water filling
is finished.
Open
Open the cold water inlet and
hot water outlet
Cold water inlet Hot water outlet
Open
Fig.7-1
Don’t operating the unit before filling water.
Operation without water in water tank may result in
damage of electric element which is not covered by
warranty.
TOD: Thermostat TOD
TCO: Thermostat TCO
High temperature hot water may result in serious burn or so caused
death. Special attention should be paid to children, disabled and
elderly in case of water burn.
Draining: If the unit needs cleaning or moving, the tank should be emptied. Turn off the power supply.
See Fig.7-2:
Fig.7-2
Draining
Close
Open
Drainpipe
Open
Cold water inlet
Close the cold water inlet, open the hot
water outlet and open drainpipe.
Hot water outlet
Drainpipe
Close
After draining, clost the drain pipe.
Replace the nut of drainpipe if necessary.

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Installation & Owner‘s Manual
7.2 Operation steps
1. Control Panel Explanation
2. Display Explanation
Fig.7.3
Display
Operation
ECONOMY MODE
ALARM
FILL WATER
HIGH TEMP
TIME ON TIME OFF TIMER
CONFLICT
TEMP-SET
OUTLET TEMP
HYBRID MODE
E-HEATER MODE
ON\OFF
CLOCK
CANCEL MODE
TIME
ON
Fig.7.4
① ② ③
⑤
④
⑧
⑦
⑩ ⑨
⑥
111213
14
15
16
Table.7-1
3. Operation
Fig.7.5
4. Operation Instruction
ECONOMY MODE
ALARM
FILL WATER
HIGH TEMP
TIME ON TIME OFF TIMER
CONFLICT
TEMP-SET
OUTLET TEMP
HYBRID MODE
E-HEATER MODE
TIME
OFF
LOCK
LOCK
HIGH TEMP indicator:When the setting temperature
exceeds 50
℃ , this indicator will light up.
FILL WATER indicator: When the power supply is turned
on,
it lights up to remind you to refill water if necessary.
ALARM indicator: It will flash at malfunction or
protection.
TEMP-SET indicator: Show error code if there is a problem
and display the pre-set target temperature at other times.
LOCK indicator : Lights when display is locked.
②
①
③
④
⑤
Water temperature indicator: Lights up when the actual
water temperature exceeds 60
℃.
⑥
Water temperature indicator: Lights up when the actual
water temperature exceeds 50
℃.
⑦
ON\OFF
CLOCK
CANCEL MODE
Used to turn the
unit on or off
Used to set
time
Used to cancel
timer and lock
Used to set
different modes
Used to set the
OFF timer
Used to increase
time or temp.
Used to decrease
time or temp.
U sed to set the
ON timer
TIME
ON
TIME
OFF
Preparation before running the unit.
When you turn on the power supply, all the indicators on the
display will light for 3 seconds, the buzzer will ring“didi” twice at
the same time, then display the preset screen. After no opera-
tion for 1 minute, all indicators will go out automatically except
for the Fill Water indicator flashing and tank temperature
indicator. Buzzer will ring “di” when you press it.
When the tank is full, press the ON\OFF key, the Fill Water
indicator will stop flashing and you can continue to set other
settings. When all settings have been finished, press the
ON\OFF key again and the Fill Water indicator will go out. Then
unit can operate.
When the unit is in operation, if there is no operation or
malfunction for 20 seconds, the backlight of the display will go
out automatically except lights for the operation mode, outlet
temperature and lock indicator .
Water temperature indicator: Lights up when the actual
water temperature exceeds 40
℃.
OUTLET TEMP indicator: Displays water temperature of
the upper part of the tank, which can be used.
It always lights.
TIMER CONFLICT indicator: Lights up when the
temperature set through Wired Controller conflicts with
that through display.
TIME OFF indicator: Lights up when time off mode
has been set.
TIME ON indicator: Lights up when time on mode
has been set.
CLOCK indicator: Display present time
, blanks
when screen protection is activated.
E-HEATER MODE indicator: Lights up when user sets the
E-heating Mode.
HYBRID MODE indicator: Lights up when user sets the
Hybrid Mode.
ECONOMY MODE indicator: Lights up when user set the
Economy Mode.
⑧
⑨
⑩
11
12
1
3
14
15
16

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Installation & Owner‘s Manual
Fig.7.6
Fig.7.7
Fig.7.8
Clock Setting
The clock is for a 24-hour system and the initial time is 00:00.
To make better use of this unit, it is recommended to set the
unit to accurate local time. Every time the unit is powered off,
the clock will be reset to the initial time of 00:00.
To set time
CLOCK
Press the CLOCK key, the minute digit of
the clock on the display will flash slowly.
CLOCK
Press the CLOCK key again, the minute
digit stops flashing while the hour digit
starts.
Press the UP and DOWN key, to adjust
the minute.
Press the UP and DOWN key, to adjust
the hour.
Press CLOCK key again or stop operation
for about 10 seconds, flashing will stop and
clock set is complete.
ECONOMY MODE
E-HEATER MODE
HYBRID MODE
Mode Selection
The unit is enhanced with three operation modes, Economy
Mode, Hybrid Mode and E-heater Mode.
: The unit heats water only by compressor drive
according to heat-pump principle. Use when the ambient
temperature is high.
: The unit heats water by both compressor and
electric element. Use when the ambient temperature is low or
large amount of hot water is needed.
: The unit heats water only by electric element. Use
when the ambient temperature is very low.
To change mode
MODE
Press the MODE key, operation mode will
be shifted among the three modes in a
cycle, meanwhile the corresponding
indicator on the display will light up.
Temperature Setting
Temperature displayed is the water temperature in the upper
part of the tank. Default is 55℃, setting range is 38~60℃.
Lock and Unlock
In order to prevent accident operation, a special lock setting
function has been designed. If there is no operation for 1
minute, the unit will be locked automatically, and the lock
indicator will be displayed.
When the unit is locked, no settings can be changed.
CANCEL
To unlock, press the CANCEL key for 3
seconds, the lock indicator will disappear,
all keys can be operated normally.

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Installation & Owner‘s Manual
Pipeline Connection Explanation
Install the water inlet/outlet pipes and pipe for TPR valve in
accordance with the AS/NZS standards.
Fig.7.9
Fig.7.10
Fig.7.11
Fig.7.12
Press the UP and DOWN key, you can
Increase or decrease the water temperature.
When the set temperature is higher than
50
℃,the HIGH TEMP indicator will light up.
HIGH TEMP
To set temperature
Timer
User can set up an operating start and stop time by using the
timer function. The least duration of timer is ten minutes.
TIME ON: User can set up a start time by this. The unit will
automatically operate from the set time to 24:00 on the same
day.
To set start time
TIME
ON
Press the TIME ON key, the minute digit
of the clock on the display will flash slowly.
Press the TIME ON key again, the minute
digit stop flashing and the hour digit starts.
Press the UP and DOWN key, you can
adjust the minute.
TIME
ON
Cancel:
CANCEL
In the unlocked state, press the CANCEL
key for 3 seconds and the TIME ON
function will be canceled.
Press the TIME ON key again or wait for
about 10 seconds, flashing stops and
TIME ON set is finished.
Press the UP and DOWN key, you can
adjust the hour.
TIME ON and TIME OFF: Users can set up an operating start
and stop time. When the start time is earlier than the stop time,
the unit will run between the set time. When the start time is
later than the stop time, the unit will run between the start time
today and the stop time the next day, when user sets the same
start and stop time, the stop time will be automatically delayed
by ten minutes.

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Installation & Owner‘s Manual
Fig.7.14
Fig.7.13
Fig.7.15
To set stop time
CANCEL
In the unlocked state, press the CANCEL
key for 3 seconds, the Time on and Time
off function will be canceled
Press the TIME OFF key, the minute digit
on the display will flash slowly.
Press the UP and DOWN key, you can
adjust the minute.
Cancel:
Stop operation for 10 seconds, flashing
stops and TIME OFF is completed.
TIME
OFF
Press the TIME OFF key again, the minute
digit stops flashing and the hour digit starts.
Press the UP and DOWN key, you can
adjust the hour.
TIME
OFF
ON\OFF
NOTE
TIME ON and TIME OFF cannot be set to the same time. If they
are the same, the stop time will delay 10 minutes automatically.
For example, TIME ON and TIME OFF set to 1:00 at the same
time, then the stop time will adjust to 1:10 automatically.
TIME OFF function cannot be used alone. The key can be used
only after TIME ON has been set.
User can press the ON\OFF key manually if long period is
requied.
ON/OFF key
Power On and Power Off
Press ON\OFF button after setting have been finished and the
system will run as the setting.
Operation status
The Low Ambience (LA) code from the screen of TEMP-SET
will appear to remind user when ambience temperature do not
meet the operation condition of heat pump unit
(beyond -7～43℃).
In such case, the unit will automatically switch to E-heater mode.
The unit will return to original setting automatically when the
ambient temperature meet the operation condition of heat pump
mode and the LA code will be disappear at the same time, the
screen will then display nomally.
Warning Code of disagree
with heat pump mode
TEMP-SET
Fig.7.16

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Installation & Owner‘s Manual
Fig.7.17
Fig.7.18
CANCEL
Press CANCEL key to stop the buzzer.
Fig.7.19
Fig.7.20
The light will glitter in error
ALARM
In the case when ambient temperature does not meet the heat
pump operation requirement (outside the range -7~43℃) fgor
over 20 hours, “LA” will display at TEMP-SET screen and
ALARM indicator flashing simultaneously to alarm that the
temperature is not suitable for heat pump performance, only
E-heater mode could be selected at such circumstance.
Please switch to E-heater mode manually for to ensure there
is adequate hot water to be supplied. Note that if change of
mode is done manually, the desired mode will not return
automatically upon unit returning to normal working process.
Desired mode must be changed back manually.
The light will glitter in error
ALARM
Warning Code of disagree with
heat pump mode
Temp.Set
Trouble Shooting
If error occurs, the buzzer will buzz 3 times every minute and
the ALARM indicator will glitter fast. Hold CANCEL for 3
seconds to stop the buzzer however the light will keep
glittering.
The error code from the screen of TEMP-SET will display when
a malfunction happens, the system will display error code after
one minute when the key is pressed again and the screen will
display set temperature.
Display the error code
TEMP-SET
WARNING
The covers of the electric element should not be
opened unless by a qualified electrician in order
to prevent electric shock and other dangers.
When a malfunction happens in economy mode, the system
may still be used when switched to E-heater mode. However, in
this case, the system could not reach the expected efficiency.
Please contact your supplier for assiatnace.
Error Code Explanation (See t able.7-2 )

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Installation & Owner‘s Manual
Display
E0
E2
E4
E5
E6
E7
E8
E9
P0
P2
Malfunction Description
Tank and Wired Controller communication error
Heat Pump system error
Electric leakage protection
Evap. temperature overlow protection
Table.7-2
P4
LA
Compressor overloaded protection
LA
Water-heating Operating Capability
Two heating parts are included in the unit, one heat pump
and one electric heater, which is installed in the middle. All the
heating parts do not work together.
This unit has one temperature sensor, which is installed at the
upper of the electric heater. see Fig.8.1
Economy Mode: In this mode, only the heat pump system work.
If the ambient temperature is higher than 43℃or lower than 7℃,
the heat pump system can’t work.
(Water outlet temperature range 38～65 ℃ ,running ambient 7～43
℃)
Hybrid Mode: In this mode, the system will adjust the working
capabilities of E-Heater and heat pump according to the tank
water temperature.
(Water outlet temperature range 38～70 ℃ ,running ambient -30～
43 ℃)
E-Heater Mode: In this mode, the compressor and the fan motor
will not run but the E-Heater work only.
(Water outlet temperature range 38～70 ℃ ，running ambient -30
～43 ℃).
8. RUNNING AND CAPABILITY
8.1 Trial Run
8.2 Operating Capability
Tank
temperature sensor
electric heater
water Inlet
water outlet
Fig.8.1
Upper tank temperature sensor (T5U) error
Evaporator tube temperature sensor (T3) error
Ambient temperature sensor (T4) error
Discharge temperature sensor (TP) error
Return air temperature sensor (TH) error
Discharge pipe temperature overheat protection
Low Ambience error, ambient temperature is not in
the range of 7~43
。
C
If the errors occur, please contact your installer.
Before start, please check the following first:
Correct installation of the system;
Correct connection of pipeline, wiring and earthing;
Drainpipe connected;
Suitable pipe insularion;
Correct transportation of unit;
Correct power supply;
No obstacles outside the air inlet and outlet;
Complete bleeding air out of hot water cylinder and pipes;
Effective electric leakage protector;
Sufficient inlet water pressure(≥150kPa)
Switch between 3 modes
Heat pump cannot work properly under Economy mode or
Hybrid mode when ambient temperature is below 7℃. Unit will
switch to E-Heat mode under this circumstance and recover to
the previou mode when ambient temperature is above 7℃
automatically.
When unit siwtches to E-Heat mode from Economy mode or
Hybrid mode, the monitor still reveals Economy mode or Hybrid
mode.
The 3 modes can be switched manully at any time.

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Installation & Owner‘s Manual
8.3 Heat-up time
Defrosting during Water-heating
In the Economy Mode and Hybrid Mode, if the evaporation frosts
in a cold circumstance, the system will defrost automatically to
keep effective performance(3~10 min).
In defrosting fan motor will run at a high speed and E-Heater will
operate.
Ambient Temperature
The system’s operation temperature is within -30℃~43℃and
the following are the operation temperature for each mode.
Economy Mode: 7℃~43℃
Hybrid Mode: -30℃~43℃
E-Heater Mode: -30℃~43℃
Mode Selection
Different mode is designed to meet different demand and the
following are recommended selections.
Economy Mode: 7~43℃, a continuous hot water demand below
150L(65℃);
Hybrid Mode: -30℃~43℃, a continuous hot water demand
between 150L~200L(70℃);
E-Heater Mode: -30℃~43℃, a continuous hot water demand
between 150L~200L(70℃).
Self-Protection Apparatuses
When the self-protection happens, the system will be stopped
and start self-check, and restart when the protection resolved;
When the self-protection happens, the buzzer will buzz in every
other minute, the ALARM indicator will glitter and the display will
indicate the error code and water temperature alternatively.
Press CANCEL key for 3sec to stop the alarm. All stop when the
protection is resolved and error code disappears from the
display.
In the following circumstances, self-protection starts:
Air inlet or outlet is blocked;
The evaporation is covered with too much dust;
Incorrect power supply (exceeding the range of 220-240V)
NOTE
When self-protection happens, cut the power supply manually
and restart after the error resolved.
In water using, the temperature of the lower part may decrease
while the upper part still keeps a high one, and the system will
start heating the lower part. And it is normal.
Error Shooting
When common error happens, the system enters Standby Mode
and could still work, but not so efficient as normal. Please
contact the technician.
When serious error happens, the system will be unable to carry
on. Please contact the technician.
When error happens, the buzzer will buzz in every other minute,
the Warning light glitter and the display indicate the error code
and water temperature alternatively. Press CANCEL button for
3sec to stop the alarm.
Restart after Long Stop
When the system is started after a long time (trial running
included), it is normal if the outlet water is unclean. Keep the tap
on and it will be clean soon.
Water Temperature Display
The temperature on the display is the water temperature in upper
part of water tank (over 1/4) which you will use, but not that of all
the water.
The 6 indicators beside the water temperature on the display are
the lower part water temperature. When the temperature is
higher than 40℃, the blue one will light up; when it is higher than
50℃, the blue and yellow ones light up; when it is higher than
60℃, the blue, yellow and red ones will light up and when all light
up, the water temperature has reached the set point.
NOTE
The diagram is made in econoy mode；in the low ambient
temperature,it need time to heat the water，suggest changing
to hybrid mode.
EcoSpring ES190
100
200
300
400
500
600
700
7 10 15 20 25 30 35 40 43
45
50
55
60
65
Ambient temp
Time(minute)

15
Installation & Owner‘s Manual
9. MAINTENANCE
9.1 Maintenance
Instruction to Take out The Air Filter
Get off the top cover,and take
out the filter
9.2 Non-error Malfunction
9.3 Malfunctions and Resolutions
Table.9-1
Counterclockwise
rotate top cover
Check the connection between power supply plug, socket and
ground wiring regularly;
In some cold areas (below 0℃), if the system is to be stopped
for a long time, the tank should be drained in case of freezing of
water in the inner tank which will damage the electric element.
It is recommended to drain the inner tank regularly to maintain
efficient performance.
The anode rod should be checked and changed if necessary by
qualified installed every year. For more details, please contact
the supplier.
Clean the air filter every year to maintain heating performance.
In terms of the filter set in air inlet directly (namely, air inlet
without connect with duct), the method to dismantle the filter is:
anti-clockwise unscrew the air inlet ring, take out the filter and
clean it completely, finally, remount to the unit. For unit with
duct, remove duct first then follow above instruction.
Before shutting the system down for a long perid, ensure that:
Power supply has been cut off;
Water in water tank and pipeline has been drained and all
valves has been closed;
Turn off the power, and turn off the water inlet valve.
Open hot water tap, and decrease the pressure of the inner
container.
Open the temperature pressure valve, and drain out the water
until no water flows out.
Unscrew anode rod.
Replace with a new one, and make sure sealed effectively.
Open cold water valve until hot water flows out, and turn off the
hot water tap.
Restart.
Instruction to change anode rod (for qualified installer)
3-minute Protection
With the power supplied, an immediate restart after the shutting
down have to wait for 3 minutes as to protect the compressor.
If self-protection occurs and the system stops, check :
When the power indicator lights up, whether the system has
been forced to run while startup requirement has not been met;
If the air outlet or inlet is jammed or strong wind blows to air
outlet.
Defrosting
When the environment is humid and cold, the evaporated water
may freeze and the water-heating capacity thus decreases.
When this happens, the system will stop heating water to
defrost, then restart water-heating upon completion.
During defrosting, fan stops working, four-way valve reverses
the flow direction, and compressor keeps working.
The defrosting time varies from 3 minutes to 10 minutes
depending on the ambient temperature and the frost.
Temperature Display
When the system stops, a decrease of water temperature is
normal as heat loss. When it decreases to a certain point, the
system will restart automatically;
During water-heating, the displayed water temperature might
still decrease or not increase for a period of time because of the
heat exchange of the water. When the whole tank of water has
reached the set temperature, the system will stop automatically.
Malfunction
Outlet water
is cold.
No hot
water from
the outlet.
Water
leakage
Cause Resolutions
Outlet water is set on a low
temperature
Outlet water temperature
controller is damaged
Tap water has been cut off
Water pressure is too low
Inlet valve has been closed
The joints on the pipeline are
not sealed well
Set outlet water to
a higher tempera-
ture
Contact the
installer
Will return to normal
after supplied water
Contact installer
Open the inlet water
valve
Check and reseal
all the connections
The display
is dark.
Bad connection of power
supply plug and socket
Circuit board indicator is
damaged
Reconnect the plug
Contact the
installer
9.4 After-Sale Service
If the unit run into malfunction or error, it should be shut down
and the power supply cut off. Please contact your installer for
assistance.

16
Installation & Owner‘s Manual
10. SPECIFICATIONS
The test conditions:
Ambient temperature 20/15℃(DB/WB),
Water temperature from 15℃ up to 45℃.
Model
High-pressure Protector, Over-load Protector,
Temp Controller&Protector, Electric Leakage Protector, etc
R134a(0.8kg)
Protection
Compressor power
E-heater Power
Regrigerant
Outlet water temp.
Water side exchanger
Inlet Pipe Dia.
Outlet Pipe Dia.
Material
Motor power
Outlet Air Type
Net Weight
Surface heat exchanger
Hydrophilic aluminum fin, inner groove copper tube
30W
Air out from sideward
Φ568×1580mm
440W
2000W
Min/Max. Pressure 0.15MPa/0.7MPa
Water Tank Cap.
Water-heating Cap.
Mode
1500W
Rated power/Current 2000W/9.0A
2000W/9.0A660W/3.0A
Power supply 220-240V~ 50Hz
660W/3.0A
2000W
Economy Mode Hybrid Mode E-Heater Mode
1500W 2000W
Heat Pump E-Heater
Drainpipe Dia.
DN20
DN20
DN20
PT Valve Dia. DN20
92.7kg
190L
Water pipeline system
Exchanger Air side
Dimension
Default 65℃，（38℃-70℃adjustable ）
EcoSpring ES190
Table. 10-1
T5A 250VAC
Fusible Link Type
Auto/Manual startup, real time control, error alarm, etc
Operation control
**
* Heat pump and E-Heater are not working at same time, rated input is 2000W
MDV11IU-009CW
202000171697