AQUAHEAT AS70 User manual

aquaheat
INVERTER POOL HEAT PUMP
USER MANUAL

Table of contents
A. Foreword 1
B. Safety Precautions 2
1. Warning 2
2. Attention 3
3. Safety 3
C. About Your Heat Pump 4
1. Transportation 4
2. Accessories 4
3. Features 5
4. Operating condition and range 5
5. Introduction of different modes 5
6. Technical parameter 6
7. Dimension 7
D. Installation Guidance 8
1. Installation reminder 8
2. Wiring 10
3. Electric wiring diagram 10
4. References for protecting devices and cable specification 11
E. Operation Guidance 11
1. Key function 11
2. Operation instruction 11
F. Testing 13
1. Inspect heat pump before use 13
2. Leakage detection notice and method 13
3. Trial 14
G. Maintenance 14
H. Trouble Shooting for Common Faults 15
I. Water Pump Control Connection 17
J. Wi-Fi Operation 21

1
A. Foreword
Thank you for choosing our inverter pool heat pump, which is designed for more silent and energy
saving user experience. It is an ideal way for green pool heating.
We hope you'll enjoy using our heat pumps.
Thank you!

2
B. Safety Precautions
We have provided important safety messages in this manual and on your heat pump.
Please always read and obey all safety messages.
Environment friendly R32 Refrigerant is used for this heat pump
1. Warning
The WARNING sign denotes a hazard. It calls attention to a procedure,
practice, or the like, which, if not correctly performed or adhered to, could
result in personal injury or injury to a third party. These signs are rare, but
are extremely important.
a. Keep the heat pump away from fire source.
b. It must be placed in well ventilated area, indoor or closed area is not allowed.
c. Repair and disposal must be carried out by trained service personnel
d. Vacuumize completely before welding. Welding can only be carried out by
professional personnel in service center.

3
2. Attention
a. Please read the following instructions before installation, use and maintenance.
b. Installation must be done by professional staff only in accordance with this manual.
c. A leakage test must be performed after installation.
d. Except for the methods recommended by the manufacturer, do not use any methods to accelerate
the defrosting process or clean the frosted parts.
e. If a repair is required, please contact the nearest after-sales service center. The repair process must
be strictly in accordance with manual.All repair practice by non-professional is prohibited.
f. Set proper temperature in order to get comfortable water temperature to avoid overheating or
overcooling.
g. Please don’t stack substances, which will block air flow near inlet or outlet area, otherwise the
efficiency of the heat pump will be reduced or even stopped.
h. Don’t use or stock combustible gas or liquid such as thinners, paint and fuel to avoid fire.
i. In order to optimize the heating effect, please install heat preservation insulation on pipes between
swimming pool and the heat pump, and please use a recommended cover on the swimming pool.
j. Connecting pipes of the swimming pool and the heat pump should be ≤10m.
3. Safety
a. Please keep the main power supply switch far away from the children.
b. When a power cut happens during operating, and later the power is restored, the heat pump will
start up.
c. Please switch off the main power supply in lightening and storm weather to prevent from machine
damage that caused by lightning.
d. Installation and any repairing should be conducted in the area with good ventilation. The ignition
source is prohibited during the operation.
e. Safety inspection must be carried before the maintenance or repair for heat pumps with R32 gas in
order to minimize the risk.
f. If R32 gas leaks during the installation process, all operations must be stopped immediately and call
the service center.

4
C. About Your Heat Pump
1. Transportation
a. Always keep upright
b. Do not lift the water union
(Otherwise the titanium heat exchanger
inside the heat pump may be damaged)
2. Accessories
Connection of the condensate drainage kit:

5
3. Features
a. DC Twin-rotary inverter compressor of Mitsubishi
b. DC Brushless fan motor
c. EEV Technology
d. Reverse cycle defrosting
e. High-efficiency twisted titanium heat exchanger
f. Sensitive and accurate temp control and water temp display
g. High pressure and low pressure protection
h. Full protection on electrical system
4. Operating condition and range
To provide you comfort and pleasure, please set swimming pool water temperature efficiently and
economically.
The heat pump can work between air -10°C～43°C, and its ideal operation range is between air 15°C ~
25°C.
5. Introduction of different modes
a. The heat pump has two modes: Boost and Silence.
b. They have different strengths under different conditions.
Mode
Modes
Strength
Boost mode
Heating capacity: 20% to 100% capacity
Intelligent optimization
Fast heating
Silence mode
Heating capacity: 20% to 80% capacity
Sound level: 3dB (A) lower than Boost mode

6
6. Technical parameter
Model
AS70
AS90
AS110
AS130
AS170
AS210
AS280
AS280S
PERFORMANCE CONDITION: Air 27°C/ Water 27°C/ Humid. 80%
Heating capacity (kW)
6.8
9.0
11.0
13.0
17.5
20.8
27.8
27.8
COP Range
14~7.4
14~7.4
14~6.9
14.5~7.1
15.6~6.9
14.6~7.0
15.8~7.2
15.6~7.1
PERFORMANCE CONDITION: Air 15°C/ Water 26°C/ Humid. 70%
Heating capacity (kW)
4.9
6.5
7.5
8.9
12.3
14.3
18.8
18.8
COP Range
7.2~4.4
7.3~4.7
7.3~4.6
7.5~4.9
7.7~4.9
6.9~4.9
7.8~4.9
7.8~4.9
TECHNICAL SPECIFICATIONS
Advised pool volume (m3)
15~30
20~45
30~55
35~65
40~80
50~95
60~120
60~120
Operating air temperature (℃)
-10℃~43℃
Power supply
230V 1PH
400V 3ph
Rated input power (kW)
0.14~1.12
0.19~1.38
0.22~1.63
0.26~1.82
0.32~2.51
0.38~2.92
0.5~3.84
0.5~3.84
Rated input current (A)
0.63~4.83
0.83~5.98
0.96~7.09
1.13~7.83
1.39~10.9
1.65~12.7
2.17~16.7
0.72~5.56
Power cord (mm²）
3X1.5
3X2.5
3X2.5
3X2.5
3X4
3X4
3X6
5X2.5
Sound level at 10m dB(A)
16.5~26.0
16.8~26.1
16.6~27.9
20.1~28.7
21.1~31.8
18.9~32.2
21.5~32.9
21.5~32.9
Advised water flux (m³/h)
2~4
2~4
3~5
4~6
6~8
8~10
10~12
10~12
Water connection (mm)
50
Remarks:
This heat pump is able to perform normal within air temp -10℃～+43℃, efficiency will not be guaranteed
out of this range. Please take into consideration that the pool heat pump performance and parameters
are different under various conditions.
Related parameters are subject to adjustment periodically for technical improvement without further
notice. For details please refer to nameplate.

7
7. Dimension
※Above data is subject to modification without notice.
Note: The picture above is the specification diagram of the pool heat pump, for technician’s installation
and layout reference only. The product is subject to adjustment periodically for improvement without
further notice.
A
B
C
D
E
F
G
H
ASC 70
410
645
390
430
890
250
75
657
ASC 90
410
645
390
430
890
250
75
657
ASC 110
410
645
390
430
890
290
75
657
ASC 130
410
645
390
430
890
280
75
657
ASC 170
410
710
390
430
1060
320
75
657
ASC 210
410
710
390
430
1060
390
75
757
ASC 280
410
710
390
430
1060
640
75
957
ASC 280s
410
710
390
430
1060
640
75
957
Name
Size(mm)
Model

8
D. Installation Guidance
1. Installation reminder
Only a professional staff is allowed to install the heat pump. The users are not qualified to install by
themselves, otherwise the heat pump might be damaged and risky for users’ safety.
a. Location and clearances
The inverter pool heat pump should be installed in a good ventilation place.
For 17kw and below models
For 21kw and above models

9
b. Water pipe connection
The inlet and outlet water unions can’t stand the weight of soft pipes. The heat pump must be
connected by hard pipes!
DO NOT install water pipes in a way that they pass behind the heat pump's evaporator. In case this
cannot be avoided, cover the pipes with thermal insulation foam.
c. Typical installation diagram

10
1) The frame must be fixed by bolts (M10) to concrete foundation or brackets. The concrete foundation
must be solid and fastened; the bracket must be strong enough and antirust treated;
2) Please don’t stack substances that will block air flow near inlet or outlet area, and there is no barrier
within 50cm behind the main machine, or the efficiency of the heat pump will be reduced or even
stopped;
3) The machine needs an appended pump (Supplied by the user). The recommended pump
specification-flux: refer to Technical Parameter, Max. lift ≥10m;
4) When the machine is running, there will be condensation water discharged from the bottom, please
pay attention to it. Please hold the drainage nozzle (accessory) into the hole and clip it well, and then
connect a pipe to drain the condensation water out.
2. Wiring
a. Connect to appropriate power supply, the voltage should comply with the rated voltage of the
products.
b. Earth the machine well.
c. Wiring must be handled by a professional technician according to the circuit diagram.
d. Set leakage protector according to the local code for wiring (leakage operating current ≤ 30mA).
e. The layout of power cable and signal cable should be orderly and not affecting each other.
3. Electric wiring diagram
a. For power supply: 230V 50Hz
b. For power supply: 400V 50Hz
Note:
1) Must be hard wired, plug is not allowed.
2) The swimming pool heat pump must be earthed well.
Distribution Box (Customer prepare)
Earthing
Power Supply
230V 50Hz
Breaker
Fuse
Power Cord
Swimming Pool Heat Pump Wiring Board
Distribution Box (Customer prepare)
Power Supply
400V 50Hz
Earthing
Breaker
Fuse
Power Cord
Swimming Pool Heat Pump Wiring Board

11
4. References for protecting devices and cable specification
※Above data is subject to modification without notice.
Note: The above data is adapted to power cord ≤ 10m. If power cord is＞10m, wire diameter must be
increased. The signal cable can be extended to 50m maximally.
E. Operation Guidance
1. Key function
Symbol
1. Power On/Off
2. Wi-Fi setting
1. Lock/Unlock Screen
2. Heating mode (18-40°C)
3. Cooling mode (12-30°C)
4. Auto mode (12-40°C)
1. Boost
2. Silence
Temperature Setting
Attention:
i. The controller has power-down memory function.
ii. The buttons will turn dark when it’s locked.
2. Operation instruction
a. Screen Lock
1) Press “ ” for 3 seconds to lock or unlock the screen
2) Automatic Lock Period: 30 seconds if no operation
b. Power On
Press “ ” for 3 seconds to unlock screen, then press “ ” to power on machine.
MODEL
AS70
AS90
AS110
AS130
AS170
AS210
AS280
AS280S
Breaker
Rated Current (A)
9
10.5
12
14.5
18
21
24
9
Rated Residual
Action Current
(mA)
30
30
30
30
30
30
30
30
Fuse (A)
9
10.5
12
14.5
18
21
24
9
Power Cord (mm2)
3x1.5
3 x 2.5
3 x 2.5
3 x 2.5
3 x 4
3 x 4
3 x 6
5 x 2.5
Signal cable (mm2)
3×0.5
3×0.5
3×0.5
3×0.5
3×0.5
3×0.5
3×0.5
3×0.5

12
c. Temperature Setting
Press “ ” and “ ” to display and set temperature.
d. Mode Selection
1) Heating/Cooling/Auto mode
Press “ ” to switch among heating” ”, cooling” ” and automatic” ” mode.
Heating mode “ ”: Water setting range(18-40℃)
Cooling mode “ ”: Water setting range(12~30℃)
Automatic heating/cooling mode “ ”: Water setting range(12~40℃)
* When water inlet temperature is higher than setting point, automatic cooling mode starts.
* When water inlet temperature is lower than setting point, automatic heating mode starts.
2) Press “ ” to switch among boost mode” ”, silence mode””.
Default mode: boost
Please choose boost mode for initial heating
e. Wi-Fi “ ”
When the screen is on, press “ ”for 3 seconds, after “ ” flashing, enter Wi-Fi connection.
Connect Wi-Fi on mobile phone and input password, then control equipment by Wi-Fi. WhenAPP
connects Wi-Fi successfully，“ ” lights on.
f. Defrosting
1) Automatic defrosting: When machine is auto defrosting, will flash, and return to previous
working mode when it finishes.
2) Manual Defrosting: To enter forced defrosting mode, the compressor must be working more than 10
minutes. in heating mode, press “ ” and “ ” on touch controller simultaneously for 5 seconds
to start forced defrosting, ” ” is flashing and defrost starts, “ ” stop flashing and defrosting stops.
(Remarks: the interval between manual defrosting should be more than 30 minutes.)
g. Round Controller Running Status Checking
1. Press “ ” for 5 seconds, it will enter running status checking.
2. During this time, the display will show the status symbol “C0” and its corresponding value.

13
3. Change status through “ ” and “ ”, the corresponding value also changes.
4. Press “ ” to quit “Running Status Checking” mode
5. Running status checking table:
Symbol
Content
Unit
C0
Inlet water temp
°C
C1
Outlet water temp
°C
C2
Ambient temp
°C
C3
Exhaust gas temp
°C
C4
Evaporator coil pipe temp
°C
C5
Return gas temp
°C
C6
Cooling coil pipe temp
°C
C9
Cooling plate temp
°C
C10
EEV opening angle
P
6. Temperature display conversion (Celsius/Fahrenheit)
When the screen is on，Press “ ” and “ ” simultaneously for 5 seconds to switch the display
between degrees Celsius and degrees Fahrenheit.
Attention：The controller has power-down memory function.
F. Testing
1. Inspect heat pump before use
a. The ventilating device and outlets are operating adequately and are not obstructed.
b. It’s prohibited to install refrigeration pipe or components in corrosive environment.
c. Inspect the electric wiring on basis of the electric wiring diagram and earthing connection.
d. Double confirm the main machine power switch should be off.
e. Inspect the air inlet and outlet.
2. Leakage detection notice and method
a. Leakage checking is prohibited in closed area.
b. The ignition source is prohibited during the leakage inspection. A halide torch (or any
other detector using a naked flame) shall not be used.
c. Leakage detection fluids can be applied with most refrigerants but the use of
detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and
corrode the copper pipe.
d. Vacuumize completely before welding. Welding can only be carried out by professional personnel in
service center.
e. Please stop using while gas leakage occurs, and contact professional personnel in service
center.

14
3. Trial
a. The user must “Start the Pump before the Machine, and Turn off the Machine before the Pump”, or
the machine will be damaged.
b. Before start the heat pump, please check for any leakage of water; and set suitable temperature in
the thermostat, and then switch on power supply.
c. In order to protect the swimming pool heat pump, the machine is equipped with a time lag starting
function, the fan will run 1 minute earlier than the compressor when starting the machine, and it will
stop running 1 minute later than the compressor when power off the machine.
d. After the swimming pool heat pump start up, please kindly checking for any abnormal noise from the
machine.
G. Maintenance
1. In winter season when you don’t swim:
a. Cut off power supply to prevent any machine damage.
b. Drain water clear of the machine.
c. Cover the machine body when not in use.
2. Please clean this machine with household detergents or clean water, NEVER use gasoline, thinners
or any similar fuel.
3. Check bolts, cables and connections regularly.
4. If repair or scrap is required, pls contact authorized service center nearby.
5. Do not attempt to work on the equipment by yourself. Improper operation may cause danger.
6. In case of risking, safety inspection must be carried before the maintenance or repairing for heat
pumps with R32 gas.
!! Important:
Unscrew the water nozzle of inlet
pipe to let the water flow out.
When the water in machine freezes in
winter season, the titanium heat exchanger
may be damaged.
“CUT OFF”power supply of the heat pump
before cleaning, examination and repairing

15
H. Trouble Shooting for Common Faults
1. Repairing Guidance
-----------------------------------------------------------------------------------------------------------------------------------------
WARNING:
a. If repair or scrap is required, pls contact authorized service center nearby.
b. Requirements for Service Personnel
c. Any person who is involved with working on or breaking into a refrigerant circuit
should hold a current valid certificate from an industry-accredited assessment authority, which
authorizes their competence to handle refrigerants safely in accordance with an industry recognized
assessment specification.
d. Do not attempt to work on the equipment by yourself. Improper operation may cause danger.
e. Strictly comply with the manufacturer's requirements when charging R32 gas and equipment
maintenance. This chapter focuses on special maintenance requirements for swimming pool heat
pump with R32 gas. Please refer to the technical service manual for detailed maintenance
operation.
f. Vacuumize completely before welding. Welding can only be carried out by professional personnel in
service center
2. Failure solution and code
----------------------------------------------------------------------------------------------------------------------------------------
Failure
Reason
Solution
Heat pump doesn’t run
No power
Wait until the power recovers
Power switch is off
Switch on the power
Fuse burned
Check and change the fuse
The breaker is off
Check and turn on the breaker
Fan running but with
insufficient heating
evaporator blocked
Remove the obstacles
Air outlet blocked
Remove the obstacles
3 minutes start delay
Wait patiently
Display normal, but no heating
Set temp. too low
Set proper heating temp.
3 minutes start delay
Wait patiently
If above solutions don’t work, please contact your installer with detailed information and your model
number. Don’t try to repair it yourself.
Note: If the following conditions happen, please stop the machine immediately, and cut off the power
supply immediately, then contact your dealer:
1. Inaccurate switch action.
2. The fuse is frequently broken or leakage circuit breaker jumped

16
Protection & Failure code
NO.
Display
Protection code description
1
E3
No water protection
2
E5
Power supply excesses operation range
3
E6
Excessive temp difference between inlet and outlet water(Insufficient
water flow protection)
4
Eb
Ambient temperature too high or too low protection
5
Ed
Anti-freezing reminder
NO.
Display
Failure code description
1
E1
High pressure protection
2
E2
Low pressure protection
3
E4
3 phase sequence protection (three phase only)
4
E7
Water outlet temp too high or too low protection
5
E8
High exhaust temp protection
6
EA
Evaporator overheat protection (only at cooling mode)
7
P0
Controller communication failure
8
P1
Water inlet temp sensor failure
9
P2
Water outlet temp sensor failure
10
P3
Gas exhaust temp sensor failure
11
P4
Evaporator coil pipe temp sensor failure
12
P5
Gas return temp sensor failure
13
P6
Cooling coil pipe temp sensor failure
14
P7
Ambient temp sensor failure
15
P8
Cooling plate sensor failure
16
P9
Current sensor failure
17
PA
Restart memory failure
18
F1
Compressor drive module failure
19
F2
PFC module failure
20
F3
Compressor start failure
21
F4
Compressor running failure
22
F5
Inverter board over current protection
23
F6
Inverter board overheat protection
24
F7
Current protection
25
F8
Cooling plate overheat protection
26
F9
Fan motor failure
27
Fb
Power filter plate No-power protection
28
FA
PFC module over current protection

17
I. Water Pump Control Connection
Customer remote
control switch
connector
Breaker/fuse
(Customer prepare)
Earthing
Power Supply
230V~/50Hz
Water pump: 230V voltage, ≤500W capacity
Water Pump
Breaker/fuse
(Customer prepare)
Power Supply
230V~/50Hz
Earthing
Powercord