evoheat DHP20-R User manual

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Advanced DHP-R Manual
Page 1
Contents
1. Introduction...............................................................................................................................................2
2. Dimensions...............................................................................................................................................3
3. Quick Start Guide.....................................................................................................................................4
4. Safety Instructions....................................................................................................................................6
5. Installation................................................................................................................................................7
5.1 System Installation..............................................................................................................................7
5.2 Location of Installation ........................................................................................................................7
5.3 Airflow Clearances..............................................................................................................................8
5.4 Adequate Water Flow..........................................................................................................................8
5.5 Rubber Feet........................................................................................................................................8
5.6 Condensate Drain Barb.......................................................................................................................8
5.7 Drainage & Condensation...................................................................................................................8
5.8 Plumbing.............................................................................................................................................9
5.9 Electrical Connection ..........................................................................................................................9
5.10 Initial Start-Up...................................................................................................................................9
6. Operation................................................................................................................................................10
6.1 The Controller...................................................................................................................................10
6.2 Operating Functions..........................................................................................................................10
6.2.1 Startup & Shutdown....................................................................................................................10
6.2.2 Setting the Mode & Target Temperature.....................................................................................10
6.2.3 Clock Settings.............................................................................................................................11
6.2.4 Silent & Silent Timers .................................................................................................................11
6.2.5 Fault History ...............................................................................................................................12
6.2.7 Colour Display Calibration ..........................................................................................................12
6.2.8 Temperature Curve.....................................................................................................................12
7. Troubleshooting......................................................................................................................................13
7.1 Electronic Control Fault Table...........................................................................................................13
7.2 Frequency Conversion Board Fault Table.........................................................................................14
8. Appendix ................................................................................................................................................15
8.1 Wiring Diagrams................................................................................................................................15
8.2 Parameter List...................................................................................................................................17
8.3 Cable Specifications..........................................................................................................................17
9. Maintenance...........................................................................................................................................18
9.1 F.A.Q ................................................................................................................................................18
9.2 Advanced..........................................................................................................................................19
10. Warranty...............................................................................................................................................22

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Advanced DHP-R Manual
Page 2
1. Introduction
This manual contains information relating to the installation, troubleshooting, operation, and maintenance of this
EvoHeat unit. Instructions in this manual must always be followed. Failure to comply with these recommendations will
invalidate the warranty. Should you have any questions or require technical support, call the EvoHeat office on 1300
859 933 to speak to our team.
The Evo DHP-R is a powerful pool heat pump that is ideal for cold climate
temperatures! Designed with a host of premium features including Wi-Fi
control, intelligent full colour touch screen controller and a stainless steel
cabinet the Evo DHP-R will out-smart and out-perform any other pool
heater in its class.
TECHNICAL DATA
DHP20-R
DHP30-R
DHP40-R
DHP50-R
DHP603-R
Heat output at 24°C air/26°C water
kW
9.7
14.0
19.0
23
26
Heat output at 15°C air/26°C water
kW
8.0
11.5
15.5
20
23
Cooling output at 35°C air/30°C water
kW
6
8.5
11
14
16
Consumed Power at 24°C
kW
1.83
2.64
3.65
4.26
4.91
C.O.P. at 24°C air
5.3
5.3
5.2
5.4
5.3
Power Supply
220-240/1/50
220-240/1/50
220-240/1/50
220-240/1/50
380-415/3/50
*Max current per phase
A
9.1
14
18.2
22.6
12.5
Connection type
10amp
15amp
hard wired
hard wired
hard wired
Fan speed
RPM
960
960
750
750
920
Noise at 1M
dB(A)
51
54
56
58
58
Compressor Type
Rotary
Rotary
Rotary
Rotary
Rotary
Refrigerant gas
R410A
R410A
R410A
R410A
R410A
PVC Water connection
mm
40
40
40
40
40
Water flow volume
L/min
50
75
100
125
150
Net dimensions L/W/H
mm
680/645/720
680/645/720
700/700/848
700/700/848
1015/735/1130
Net weight
kg
65
78
110
111
151
*Running current max: 43°C ambient heating / 29°C in cooling mode.
The data above is based on the Evo heat pump only, it does not include auxiliary devices. Product specification information provided above is
correct at the date of printing, this data may change without notice. Please speak with an EvoHeat Specialist for the most current product
specifications.

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2. Dimensions
DHP20-R,
DHP30-R,
DHP40-R &
DHP50-R
DHP-R
A (L)
B (W)
C (H)
D
E
F
20 & 30
680
645
720
663
686
422
40 & 50
700
700
848
720
745
400
DHP603-R
DHP-R
A (L)
B (W)
C (H)
D
E
603-R
1015
735
1130
480
985

  
   
  




 
 

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3. Quick Start Guide
IMPORTANT THINGS TO NOTE
•Ensure you meet the minimum clearances and recommended installation locations as outlined in the manual.
•All heat pump accessories are contained in a plastic bag inside the packaging of your heat pump unit.
PRE-INSTALLATION
1. Position the heater on a level pad in the desired location on the pool water return line (as shown in the
example image below).
2. Install the supplied antivibration rubber pads under the feet of the unit.
3. Install the supplied condensation barb to the underside of the unit and direct the condensation to an
appropriate drainage point.
PLUMBING INSTALLATION
NOTE: Evo heat pumps standard plumbing fitting size can accept 40mm NB PVC pipe for connection to the pool or spa filtration
plumbing.
1. Attach the supplied barrel unions to the cold inlet and hot outlet (hand tighten).
2. 
3. Install a 3-way valve at the cold-
4. Make the plumbing connections and brace pipework where necessary.

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ELECTRICAL CONNECTION
NOTE: Electrical connection should only be completed by licenced personnel and in accordance with all relevant Australian
Standards, applicable laws and local legislations.
1. Remove the external cover to the electrical terminal by removing the screws and the terminal cover panel.
2. Feed the electrical cable in through the conduit nipple and attach the electric supply wires to the applicable
Active Neutral and Earth connections located in the electrical terminal.
3. To complete the electrical connection, install electrical conduit, UF cable or other suitable means as specified
(as permitted by local electrical authorities) and connect the cable to a dedicated power supply branch circuit
equipped with the appropriate size circuit breaker, or time delay fuse protection.
INITIAL STARTUP & COMMISSIONING
NOTE: The water pump must be running and water circulating through the heat pump for the system to operate.
1. Turn on your water filter pump and check for water leaks and verify flow to and from the pool.
2. Turn on the electrical power supply to the EvoHeat unit.
3. Press the ON/OFF button of the controller for half a second, the heat pump will start within 60 seconds
4. 
5. To set the temperature, press in the main interface, the current target-temperature will flash
6. Press to increase the temperature, or press to decrease the temperature
7. Once the desired temperature is displayed, allow the screen to time out to set
8. After the system has been running for approximately 5 minutes; check the 2 temperatures displayed on the
screen and review the Temperature Differential (TD). The small temperature displayed is the cold water inlet
temperature, the main temperature display is the heated water outlet.
9. Adjust the water flow by opening or closing the 3-way valve installed at the cold-water inlet to achieve a target
TD of approximately 2°C (e.g. 22°C inlet water and 24°C outlet water)
10. If there is any interruption to water flow (i.e. when the water pump is turned off), the unit will automatically turn
off and display an E03 error code - no water flow. This is normal and the system will restart once water flow is
reinstated.
INITIAL HEAT UP TIME
Initial heat up times will vary depending on the size of your pool, environmental conditions and the capacity of the
system installed. After installation, please allow the unit and pool pump to run continuously until the desired pool water
temperature is reached (it may take several days for the pool to initially reach the set temperature).
Once the pool water reaches the desired set temperature, the unit will shut off. The unit will automatically restart
(provided your pool pump is running) when the pool temperature falls more than 1°C below the desired set
temperature.

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4. Safety Instructions
Installation, repair, or relocations must only be done by a fully qualified technician. If done incorrectly there is
a number of hazards that can occur including fire, electric shock, water leakage and injury.
- A circuit breaker must be installed for the unit.
- Ensure the unit has a good power connection and earthing to avoid the
risk of electrical shocks.
- Do not use any means to accelerate the defrosting processor or to clean
other than those recommended by EvoHeat.
- The unit must be stored in a room without any continuously operating
ignition sources (for example: open flames, an operating gas appliance)
- Do not pierce or burn the unit.
- If the supply cord is damaged, it must be replaced by a qualified service
agent.
- This appliance must be installed in accordance with national wiring
regulations.
- Before obtaining access to terminals all supply circuits must be
disconnected.
The unit is equipped with
an over-load protection
system. After a previous
stoppage, the unit will not
start for at least 3 minutes.
Be aware that refrigerants
may not contain an odour.
An all-pole disconnection device must be incorporated which as at least 3mm clearances in all poles, a leakage
current that may exceed 10mA, residual current device (RCD) having a rated residual operating current not exceeding
30mA and disconnection must be incorporated in the fixed wiring in accordance with the wiring rules.
Installation
Transport
- The unit should be installed, operated and
stored in a room with a floor area larger than
30m2.
- The installation of pipe-work should be kept to
a minimum 30m2
- Spaces where refrigerant pipes are present
must comply with national gas regulations.
- Use supply wires suitable for 75°C
When transporting equipment containing flammable
refrigerants:
- Comply with transport & local regulations
- Equipment must be stored safely in accordance
with the instructions within this manual.
- Abide by any signage on the packaging
- The unit must be protected from damage and
potential leak of the refrigerant charge.
*Caution: Single wall heat exchanger, not suitable for potable water connection.

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5. Installation
5.1 System Installation
Upon receiving the unit, check the packaging for any obvious signs of damage. Inform EvoHeat immediately if there is
any evidence of rough handling. When the heater has been removed from the packaging check the refrigerant gauge
on the front panel of the unit. The gauge should be showing a pressure of approx. 10 20 on the outside red band 
any less than this figure means there may be a leak in the refrigerant system, and you should immediately contact
your EvoHeat Dealer.
Only the main unit and the water unit in the
illustration are provided; the other items are
necessary spare parts for the water system that
are to be provided by customer or the installer.
When starting for the first time:
1. Open valve and charge water.
2. Make sure that the pump and the water-in
pipe have been filled with water.
3. Close the valve and start the unit
The schematic diagram is for reference only. Please check the
water inlet/outlet label on the heat pump while plumbing the
unit.
IMPORTANT: EvoHeat heat pumps MUST be connected by a licensed electrician. Under no circumstances
should an unlicensed person attempt to install or repair an EvoHeat heat pump themselves. Heater electrical
installation undertaken by an unlicensed installer will void the warranty. Correct installation is required to
ensure safe and efficient operation of your pool heater.
Before installation it is very important to ensure 5 variables are carefully checked to allow the unit to operate correctly.
•Heater Condition
•Location
•Clearances & Air Flow
•Adequate water flow & plumbing
•Correct electrical connection & supply
5.2 Location of Installation
Evo recommend the heat pump should ONLY be installed in an outdoor location with appropriate ventilation. Installing
the heater indoors without adequate ventilation, or in a poorly ventilated enclosed space, will result in very poor
performance and can, in extreme cases, damage the heater.
The Evo unit should be
installed:
- 
- 
- No greater than 5m below the water level of the pool/spa.
Make sure the heat pump is not located where large amounts of water may run-off from a roof into the unit. Sharp
sloping roofs without gutters will allow excessive amounts of rain water mixed with debris from the roof to be forced
through the unit. A water deflector may be needed to protect the heat pump.
If installing the heater on an existing pump/filtration system the heater must be installed AFTER the filter and BEFORE
the chlorinator/sanitizer.
The heat pump should be installed on a flat level surface. If a suitable outdoor location is unavailable please contact
EvoHeat for specialist technical advice.

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5.3 Airflow Clearances
Ensure the heater is installed in a well-ventilated area with plenty of
fresh air, minimum gap is required between walls/fences etc of 800mm
on the side air inlet side, 1000m on the opposite side and 2000mm
overhead clearance.
Leave sufficient space for unobstructed airflow into and out of the
heater. Do not locate the heater in an enclosed area, or the discharged
cold air will recirculate into the unit and consequently lower the heating
efficiency as well as possibly icing up.
If the installation location does not comply with these suggested

solutions.
5.4 Adequate Water Flow
All EvoHeat heat pumps have a factory pre-set internal water flow switch. If there is insufficient water flow the unit will
not operate.
It is VITAL that that there is sufficient water flow to the unit. Incorrect water flow can cause a loss of efficiency and
possible damage to the unit. Optimal water flow rates are listed within this manual. It is imperative that water flow is
kept as close as possible to these flow rates.
Before connecting the heater to the plumbing all piping must be thoroughly flushed to ensure no debris can enter the
heater. Failure to remove pipe debris can jam or damage the flow switch and may cause damage to the heater. When
cleaning the pool, it is advisable to turn off your heater as restricted water flow may cause the heater to shut down and
indicate low water flow fault (E03 error) or high pressure fault (E01 Error).
A Variable speed pump or bypass valve and plumbing MUST be fitted to allow water flow to be adjusted
through the heater. Do not direct connect a water pump with higher flow than required to the heat pump.
5.5 Rubber Feet
All EvoHeat units are provided with rubber feet which we highly recommend being installed. The rubber feet help
reduce vibration of the unit and provide a space below the heat pump to install the drainage barbs.
NOTE: Install a bolt through the hole in the foot of the heat pump first, and then screw the nut on this will allow you
to adjust the levels if needed.
5.6 Condensate Drain Barb
Fit the condensate drain barb into the 2 holes under the unit if you need to direct water away from
the heater.
If the barb is too stiff, place it in hot water to soften.
5.7 Drainage & Condensation
During operation, water in the air condenses on the fins of the evaporator. In high humidity, the condensate
may be several litres per hour, giving the impression that the unit is leaking. This process is a normal
function of heat pumps.
The heater will automatically activate reverse cycle or de-icing mode when required which also increases condensate

the heater. As an option, a pipe can be connected to the drain on the base of the unit to direct condensate water to an
appropriate location.
NOTE
A quick way to verify that the water is condensation is to shut off the unit and keep the pool pump running. If the water stops
running out of the base pan, it is condensation. Another method is to test the drain water for chlorine if the is no chlorine

 
  
 
 
 

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5.8 Plumbing
The  exclusive rated flow titanium heat exchanger requires no special plumbing arrangements except bypass
(set the flow rate according to the nameplate). The water pressure drop is less than 10kPa at max.
Flow Rate
Location
Since there is no residual heat or flame
temperatures the unit does not need copper
heat sink piping. PVC pipe can be run straight
into the unit.
Connect the unit in the pool pump discharge (return)
line downstream of all filter and pool pumps, and
upstream of any chlorinators, ozonators or chemical
pumps.
Standard models have slip glue fittings which accept 40mm PVC pipe for connection to the pool or spa filtration piping.
By using a 50NB to 40NB you can plumb 40NB.
 to provide easier
access should servicing be required.
Ensure pipework connecting to the inlet/outlet unions is appropriately supported, any movement in this pipework can
caused the rubber O-ring to pinch and leak.
5.9 Electrical Connection
Always use a qualified Electrician to perform any electrical work. A licensed electrician must read the
information before connecting.
Ensure the power cable and circuit breaker are of a suitable size for the heater being installed. Also check that there is
adequate voltage and current available at the heater connection to run the unit.
Voltage range should be 220-240 volts for single phase, and 380-415 volts for 3 phase units. Voltage ranges outside
these parameters will cause heater damage and void your warranty.
1. Ensure power is disconnected during installation or service.
2. Always comply with the national and local electrical codes and standards.
3. Ensure the electrical cable size is adequate for heater requirements at the installation location.
4. The heater must be equipped with a circuit breaker and isolation device.
5. The circuit breaker must be installed between the heater and the water circulation pump if the water pump is
hard-wired into the heater. Please note recommended circuit breaker sizes make no allowance for a water
pump hard wired into the heater.
6. The unit must be well earthed. Remove the front panel to access the electrical connection terminals of the
heater. The electrical wiring diagram is affixed to the inside of the front panel or at the back of this manual.
Correct phase connection is important with 3 phase heaters. NOTE: if 2 lights are showing on the 3 PHASE
relay monitor this means the EvoHeat heat pump has been wired correctly (one orange light and one green
light). If only one light is showing, the phases are out of rotation and need to be rotated to get the correct
phase rotation.
5.10 Initial Start-Up
Refer to the Quick Start Guide in this manual for instructions on the initial start-up and commissioning of the unit.

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6. Operation
6.1 The Controller
To lock or unlock the
screen, use the code 022.
1
ON/OFF
Start up or shut down the unit
2
PARAMETER
View the unit state and the parameter
3
CLOCK
Set the clock or turn the timer on/off. When the timer is on, this button is green
4
FAULT DISPLAY
View fault history
5
SILENT SETTING
Turn on/off silent function and set timing of the Low speed function
6
MODE
Enter mode settings and the target temp. settings interface
7
TEMP. CURVE
View temp. and power curve
8
WATER INLET TEMP.
Enter mode settings and the target temp. settings interface
9
LOCK
Lock or unlock the screen.
6.2 Operating Functions
EvoHeat have developed a YouTube Channel with video walkthroughs of the different controller
functions. Scan the QR code or head to our channel to view the videos we have available
https://www.youtube.com/evoheat
6.2.1 Startup & Shutdown
To turn the unit on or off, press the ON/OFF button.
6.2.2 Setting the Mode & Target Temperature
In the main interface, click the MODE button or
WATER INLET TEMP. (8) button to get the following menu:
Choose from the modes: Refrigeration mode (1), Automatic
mode (2) or Heating mode (3).
Note: When the unit is designed for single automatic mode or single
thermal mode, the mode cannot be switched.
From this screen, pressing the temperature (4) will allow
you to adjust it as desired.

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Page 11
6.2.3 Clock Settings
Press the CLOCK button to bring up the clock menu. This menu allows you
to either change the system date & time (left) or set timers (right).
6.2.3.1 Setting the Date & Time
Click the value you wish to change to set the time directly. Press confirm to save
the settings.
6.2.4.2 Setting Timers
No.
Name
Button Colour
Function
1
Start Timing
Start: Green
End: Grey
Click this button to start or end the
timing start setting function
2
Timing On
Click to set the start time of the timer.
3
End Timing
Open: Red
End: Grey
Click this button to start or end the
timing end setting function.
4
Timing Off
Click to set the end time of the timer.
6.2.4 Silent & Silent Timers
6.2.4.1 Silent Setting
Press the SILENT TIMING button from the main menu to bring up the
silent settings. Press the left-hand fan symbol to enable silent mode. To exit
silent mode, follow the steps and press the button again.
When silent mode is enabled, the icon will display with only 3
fans compared to 5 when the mode is off.
6.2.4.2 Silent Timer
Press the alarm clock (right) button to bring up the Silent Timer menu.
No.
Name
Button Colour
Function
1
Stop Timing
On: Red
Off: Grey
Turn off the silent timer
2
Timing On
Start the silent timer
3
End Timing
Open: Red
End: Grey
Set silent timer start time
4
Timing Off
Set silent timer end time
The start and end time values must be within
the range of 0:00 23:00; the value can be
precise to the hour digit.
Example: 

manually, however the unit will turn off this setting once it reaches the end
time.
EXAMPLE
If the setup time were 23/11/2016 at 1:00pm; you would input:
23-11-16 13:00:00.
Be aware that if the input format is incorrect, pressing the confirm button will
save the wrong time.

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6.2.5 Fault History
If there have been no faults, the Fault button on the main menu will appear dimmed.
When a fault does occur, the fault icon will flash. The fault interface menu will record the time, code, and name of the
fault for you to view.

not flash. If it is checked, it will appear dim again.
Faults appear in reverse order according to the time of occurrence. Press the clean key to delete all fault records.
6.2.7 Colour Display Calibration
Quickly tap repeatedly on the blank area of any menu until you hear a long beep. This will allow you to enter the
calibration interface.

6.2.8 Temperature Curve
Press the TEMP CURVE button to view the temperature curve & average power curve.
The temperature curve automatically updates every hour and will be stored for 60 days.
If the unit is powered off after less than 1 hour of operation, the data in this period will not be saved.

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7. Troubleshooting
7.1 Electronic Control Fault Table
Protect/Fault
Fault
Display
Reason
Elimination Methods
Standby
Non
Normal boot
Non
Inlet Temp. Sensor Fault
P01
The temp. Sensor is broken or short circuit
Check or change the temp. sensor
Outlet Temp. Sensor Fault
P02
The temp. Sensor is broken or short circuit
Check or change the temp. sensor
Ambient Temp. Sensor Fault
P04
The temp. Sensor is broken or short circuit
Check or change the temp. sensor
Coil1 Temp. Sensor Fault
P05
The temp. Sensor is broken or short circuit
Check or change the temp. sensor
Suction Temp. Sensor Fault
P07
The temp. Sensor is broken or short circuit
Check or change the temp. sensor
Discharge Temp. Sensor Fault
P081
The temp. Sensor is broken or short circuit
Check or change the temp. sensor
High Pressure Prot.
E01
The high-pressure switch is broken
Check the pressure switch and cold circuit
Low Pressure Prot.
E02
Low pressure1 protection
Check the pressure switch and cold circuit
Flow Switch Prot.
E03
No water/little water in water system
Check the pipe water flow and water pump
Anti-freezing Prot.
E07
Water flow is not enough
Check the pipe water flow and whether water
system is jammed or not
Primary Anti-freezing Prot.
E19
The ambient temp. Is low
Secondary Anti-freezing Prot.
E29
The ambient temp. Is low
Inlet and outlet temp. too big
E06
Water flow is not enough and low
differential pressure
Check the pipe water flow and whether water
system is jammed or not
Low temperature protection
Non
The environment temp. is low
Comp. Overcurrent Prot.
E051
The compressor is overload
Check whether the system of the compressor
running normally
Exhaust Air over Temp Prot.
P082
The compressor is overload
Check whether the system of the compressor
running normally
Communication Fault
E08
Communication failure between wire
controller and mainboard
Check the wire connection between remote wire
controller and main board
Antifreeze Temp. Sensor Fault
P09
Antifreeze temp sensor is broken or short
circuited
check and replace this temp sensor
Waterway Anti-freezing Prot.
E05
Water temp. or ambient temp. is too low
EC fan feedback Fault
F051
There is something wrong with fan motor
and fan motor stops running
Check whether fan motor is broken or locked or
not
Pressure sensor Fault
PP
The pressure Sensor is broken
Check or change the pressure sensor or pressure
Fan Motor1 Fault
F031
1. Motor is in locked-rotor state
2. The wire connection between DC-fan
motor module and fan motor is in bad
contact
1. Change a new fan motor
2. Check the wire connection and make sure they
are in good contact
Low AT Protection
TP
Ambient temp is too low
Fan Motor2 Fault
F032
1. Motor is in locked-rotor state
2. The wire connection between DC-fan
motor module and fan motor is in bad
contact
1. Change a new fan motor
2. Check the wire connection and make sure they
are in good contact.
Communication Fault (speed
control module)
E081
Speed control module and main board
communication fail
Check the communication connection

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7.2 Frequency Conversion Board Fault Table
Protect/Fault
Fault
Display
Reason
Elimination Methods
Drv1 MOP alarm
F01
MOP drive alarm
Recovery after the 150s
Inverter offline
F02
Frequency conversion board and main
board communication failure
Check the communication connection
IPM protection
F03
IPM modular protection
Recovery after the 150s
Comp. Driver Failure
F04
Lack of phase, step or drive hardware
damage
Check the measuring voltage check frequency conversion
board hardware
DC Fan Fault
F05
Motor current feedback open circuit or short
circuit
Check whether current return wires connected motor
IPM Overcurrent
F06
IPM Input current is large
Check and adjust the current measurement
Inv. DC Overvoltage
F07
DC bus voltage>Dc bus over-voltage
protection value
Check the input voltage measurement
Inv. DC Lessvoltage
F08
DC bus voltage<Dc bus over-voltage
protection value
Check the input voltage measurement
Inv. Input Lessvolt.
F09
The input voltage is low, causing the input
current to be high
Check the input voltage measurement
Inv. Input Overvolt
F10
The input voltage is too high, more than
outage protection current RMS
Check the input voltage measurement
Inv. Sampling Volt
F11
The input voltage sampling fault
Check and adjust the current measurement
Comm. Err DSP-PFC
F12
DSP and PFC connect fault
Check the communication connection
Input Over Cur.
F26
The equipment load is too large
PFC Fault
F27
The PFC circuit protection
Check the PFC switch tube short circuit or not
IPM Over heating
F15
The IPM module is overheat
Check and adjust the current measurement
Weak Magnetic Warn
F16
Compressor magnetic force is not enough
Inv. Input Out Phase
F17
The input voltage lost phase
Check and measure the voltage adjustment
IPM Sampling Cur.
F18
IPM sampling electricity is fault
Check and adjust the current measurement
Inv. Temp Probe Fail
F19
Sensor is short circuit or open circuit
Inspect and replace the sensor
Inverter Overheating
F20
The transducer is overheat
Check and adjust the current measurement
Inv. Overheating Warn
F22
Transducer temperature is too high
Check and adjust the current measurement
Comp. Overcut. Warn
F23
Compressor electricity is large
The compressor over-current protection
Input Over Cur. Warn
F24
Input current is too large
Check and adjust the current measurement
EEPROM Error Warn
F25
MCU error
Check whether the chip is damaged Replace the chip
V15V over/undervoltage
fault
F28
The V15C is overload or undervoltage
Check the V15V input voltage in range 13.5v~16.5v or not

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8. Appendix
8.1 Wiring Diagrams
DHP20-R
DHP30-R
CN9
485B1
GND
3
RLY1 OUT2
OUT3
AC-N1
OUT4
OUT5
485A1
12V
CN2
PC1002
485A2
12V
CN8 485B2
GND
L
N
4V
N
1
2N
4V
3
4
7
8
5
01 6
N N
N
N N
4N
L N 1 2
P N
L N
R E D
BLU
TO POWER
K 1
N
K 1
N
COMP
RED
BLK
WHT
CC C R
CS
CR
CC
CS
N
K2
L
C1
N
BRN
N
FS
F S F S
L P LP HP HP
HP LPIT
I T I T
OT
OT
AT CT OT
CT CT
AT AT
Remote
ON / OFF
+12V +5V
0~10V-OU T
PWM-OUT
AI 12
AI /D I 11 AI /D I 10 AI /D I 09
PWM-IN
AI /D I 08 AI /D I 07
AI /D I 06 AI /D I 05 AI /D I 04 AI /D I 03 AI /D I 02 AI /D I 01
0~5 V -I N
GND
GND
GND
GND GND GND GND GND GND GND GND GND GND GND GND GND GND
GND
t
5 K
t
5 K
t
5K
t
5K
GND
485A 3
12V
485B3
CN13
6.8K
t
ET
50K ET
ET
TO PUMP
BLUBRN Y/ G
BRN
FM
U2
U1
BLU
EEV
5
t
5 K
SUT
DHP20-R
1 2 3 4 5 6
4
YEL 485B-
BLK GND
RED 12V
WH T 4 85A+
ControllerWIFI
4
2
7 8
13 5 7
4 6 2 4 6
YEL 485B-
BLK GND
RE D 12 V
RED
WHT 485A+
RED WHT WHT YELYELBLKBLK
K2
K2
L
N
N
K1
K1
1 3
2 4
75
6 8
02
LL
L
L
HC
MTS
PH
N
SUPPLY
220-240V~/50Hz
AT：Ambient temperature
COMP：Compressor
CT：Coil temperature
EEV：Electronic expand valve
ET：Exhaust temperature
FM：Fan motor
FS：Flow switch
HP：Highpressure protection
IT：Inlet water temperature
K1：Relay of compressor
K2：Relay of pump
LP：Low pressure protection
MTS：Mechanism temperature switch
OT ：Outlet water temperature
PH：Pan heater
SUT：Suction temperature
4V：4 way valve
CN9
485B1
GND
3
RLY1
OUT2
OUT3
AC-N1
OUT4
OUT5
485A1
12V
CN2
PC1002
485A2
12V
GND
CN8 485B2
L
N
4V
N4V
3
4
1N
2
5
6
7
8
01
N N
N
N
N
4
N
L N 1 2
P N
L
N
RED B LU
220-240V~/50Hz
TO POWER
K 1
SUPPLY
N
CC
K 1
N
KM1
N
K 2
L
C1
L
KM1
L
N
N
BRN
L
N
FS
FS FS
LP
L P HP HP
HP LPIT
IT IT
OT OT
AT CT OT
CT
CT AT AT
Remote
ON / OFF
+12V
+5V
0~10V-OUT
P WM-OUT
A I12
A I/ D I1 1 A I/ D I1 0 A I/ D I0 9
PWM-IN
A I/ D I0 8 A I/ D I0 7 A I/ D I0 6 A I/ D I0 5 A I/ D I0 4 A I/ D I0 3 A I/ D I0 2 A I/ D I0 1
0~5 V -IN
GND GND GND GND GND GND GND GND GND GND GND GND
GND GND GND GND GND
GND
t
5K
t
5K
t
5K
t
5K
GND
485A 3
12V
485B 3
CN13
6.8 K
t
E T
50 K E T
ET
TO PUMP
BRNBLU Y/ G
H
MTS
C
PH
BRN
FM
U2
U1
BLU
EEV
5
t
5K
SUT
DHP30-R
1 2 3 4 5 6
4
YEL 485 B-
BLK GND RED 1 2V
WHT 485 A+
ControllerWIFI
4
2
7 8
13 5 7
4 6 24 6
YEL485 B-
BL KGND RED 1 2V
WHT 485 A+
RED RED WHT WHT YELYELBLKBLK
K2
K2
L
N
N
AT：Ambient temperature
COMP：Compressor
CT：Coil temperature
EEV：Electronic expand valve
ET：Exhaust temperature
FM：Fan motor
FS：Flow switch
HP：Highpressure protection
IT：Inlet water temperature
KM1：Contactor of compressor
K2：Relay of pump
LP：Low pressure protection
MTS：Mechanism temperature switch
OT：Outlet water temperature
PH：Pan heater
SUT：Suction temperature
4V：4 way valve

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DHP40-R
DHP50-R
L
4V
4V
CODE：20180613-0002
K1
CC
EEV
5
K2
DHP40-R
KM1
KM1
K2
L
L
L
N
N
N
N
CC
COMP
CS
KS
C2
CR
BLK WHT
RED
CS
KS
KS
CSCS
CC
CR
CS
CC
N
N
TO PUMP
N
13
245
67
8
01 N
N
N
N
N
CN9
485B1
GND
3
RLY1
OUT2 OUT3
AC-N1
OUT4 OUT5
485A1
12V
CN2
PC1002 485A2
12V
CN8 485B2
GND
4
FS
FS FS
LP
LP
HP HP
LPHPSUT
SUT SUT
IT
IT IT
OT
OT
OT
CT
CT
CT
AT
AT
AT Remote
ON/OFF
+12V
+5V
0~10V-OUT
PWM-OUT
AI12
AI/DI11 AI/DI10 AI/DI09
PWM-IN
AI/DI08 AI/DI07 AI/DI06 AI/DI05 AI/DI04 AI/DI03 AI/DI02 AI/DI01
0~5V-IN
GND
GND
GND
GND GND GND
GND GND
GND
GND GND GND
GND
GND
GND
GND
GND GND
t
5K
t
5K
t
5K
t
5K
t
5K
GND
485A3
12V
485B3
CN13
6.8K
t
50K ET
ET
ET
Y/G
LN
LN
220-240V~/50Hz
RED BLU
TO POWER
SUPPLY
P
N
LN
FM
C3 BLU
RED
BLK
WHT
ORG
N
N
N
N
L
N
L
KM1 MTS
HC
L
L
L
CH
L1 N
PH
13
245
67
8
02
N
N
N
N
N
HP：High pressure protection
AT：Ambient temperature
CT：Coil temperature
FM：Fan motor
IT：Inlet water temperature
KM1：Contacter of compressor
LP：Low pressure protection
OT：Outlet water temperature
FS：Flow switch
4V：4 way valve
MTS：Mechanism temperature switch
CH：Compressor heater
PH：Pan heater
EEV：Electronic expansion valve
SUT：Suction temperature
ET：Exhaust temperature
COMP：Compressor
KS：Relay of compressor start
K2：Relay of pump
123456
4
YEL 485B-
BLK GND
RED 12V
WHT 485A+
Controller
4
2
78
1357
46 246
RED WHT
RED WHT YEL YEL BLK BLK
C1
K2
WiFi
YEL 485B-
BLK GND
RED 12V
WHT 485A+
L
4V
4V
K 1
CC
EEV
5
K2
DHP50-R
KM1
KM1
K2
K2
L
L
L
N
N N
N
CC
COMP
CS
2
1
5
KS
C2
CR
BLKWHT
RED
CS
K S
KS
CS CS
CC
CR
CS
N
CC
N
TO PUMP
CSCS
CR
N
1 3
2 4
5
6
7
8
01 N
N
N
N
N
C1
CN9
485B 1
GND
3
RLY1
OUT2
OUT3
AC-N1
OUT4
OUT5
485A 1
12V
CN2
PC1002
485A 2
12V
CN8
4
485B 2
GND
FS
F S F S
L P LP HP HP
SUT HP LP
SUT SUT
IT IT
AT CT OT IT
OT
OT
CT CT AT AT
Remote
ON/OFF
+12V
+5V
0~10V-OU T
PWM-OUT
AI 12
AI /DI 11
AI /DI 10
AI /DI 09
PWM-IN
AI /DI 08 AI /DI 07
AI /DI 06 AI /DI 05 AI /DI 04 AI /DI 03 AI /DI 02 AI /DI 01
0~5V -I N
GND
GND
GND
GND GND GND GND GND GND GND GND GND GND GND GND GND GND
GND
t
5 K
t
5 K
t
5K
t
5K
t
5 K
GND
48 5A 3
12V
485B3
CN13
6.8K
t
ET
50K ET
ET
Y /G
L N
L N
REDBLU
220-240V~/50Hz
TO POWER
P N
SUPPLY
L N
FM
C3
BLU
RED
BLK
WHT
ORG
N
N
N
N
L
N
L
KM1
HC
MTS
L
L
L
CH
L1 N
PH
1 3
2 4
75
68
02
N
NN
N
N
YEL
WHT4
RED
Controller
YEL 485B-
BLK GND RED 12V
WH T 48 5A+
WIFI
BLK
YEL 485B-
BLK GND
RED 12V
WH T 48 5A+
HP：Highpressure protection
AT ：Ambient temperature
CT：Coil temperature
FM ：Fan motor
IT：Inlet water temperature
KM1：Contacter of compressor
LP：Low pressure protection
OT Outlet water temperature
FS ：Flow switch
4V：4 way valve
TC：Transformer
MTS
：
：Mechanism temperature switch
CH ：Compressor heater
PH：Pan heater
EEV：Electronic expansion valve
SUT：Suctiontemperature
E T：Exhausttemperature
COMP：Compressor
KS：Relay of compressor start
K 2：Relay of pump

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DHP603-R
8.2 Parameter List
Meaning
Default
Remarks
Refrigeration target temperature set point
27°C
Adjustable
Heating the target temperature set point
27°C
Adjustable
Automatic target temperature set point
27°C
Adjustable
8.3 Cable Specifications
Single Phase Unit
Nameplate maximum
current
Phase Line
(Single Phase Unit)
Phase Line
(Three Phase Unit)
Earth line
MCB
Creepage
Protector
Signal Line
No more than 10A
2 x 1.5mm2
3 x 1.5mm2
1.5mm2
20A
30mA less than
0.1 sec
n x 0.5mm2
10~16A
2 x 2.5mm2
3 x 2.5mm2
2.5mm2
32A
16~25A
2 x 4mm2
3 x 4mm2
4mm2
40A
25~32A
2 x 6mm2
3 x 6mm2
6mm2
40A
32~40A
2 x 10mm2
3 x 10mm2
10mm2
63A
40~63A
2 x 16mm2
3 x 16mm2
16mm2
80A
63~75A
2 x 25mm2
3 x 25mm2
25mm2
100A
75~101A
2 x 25mm2
3 x 25mm2
25mm2
125A
101~123A
2 x 35mm2
3 x 35mm2
35mm2
160A
123~148A
2 x 50mm2
3 x 50mm2
50mm2
225A
148~186A
2 x 70mm2
3 x 70mm2
70mm2
250A
186~224A
2 x 95mm2
3 x 95mm2
95mm2
280A
CN9
485B1
GND
3
RLY1
OUT2 OUT3
AC-N1
OUT4 OUT5
485A1
12V
CN2
PC1002 485A2
12V
CN8 485B2
GND
N2
4V
K2
CODE：20180608-0001
N
4K1
K1
EEV
5
L1 L2 L3 N
TO POWER SUPPLY
380-415V/3N~/50Hz
Y/G
KM1
3
COMP
UVW
L2
T
U1
V1
W1
RED BLU
WHT
L1
KM1
KM2
N
TO PUMP
P1 P2 P3
N
N
KM2
13
24
5
67 8
L3(C)
L2(B)
L1(A) 11
14
12
PM
NN2
L1
L1
K2
N
01
N
N
N
N
NL3
Remote
ON/OFF
13
24
5
67 8
N
N02 L1
N
L1 L2 L3 N
FM1
RED
WHT
4V
K1
CH
L11 L1
N
MTS
HC
L1
PH
5678910
4
YEL 485B-
BLK GND
RED 12V
WHT 485A+
Controller
4
6
11 12
579
11
810
6810
RED WHT
RED WHT YEL YEL BLK BLK
N
N
N
L1
L1L2
L3
L2
L2 L3
L1
L2 L3
L1 L2 L3 N
L1
L1
L1
L1 L1
L1L1
DHP603-R
K1
LP：Low pressure protection
AT：Ambient temperature
COMP：Compressor
CH：Crankcase heater
FM：Fan motor
IT：Inlet water temperature
4V：4 way valve
FS：Flow switch
HP：High pressure protection
KM1：Contactor of compressor
KM2：Contactor of pump
PH：Pan heater
OT：Outlet water temperature
MTS：Mechanism temperature switch
PM：Phase monitor
CT：Coil temperature
ET：Exhaust temperature
FOHP：Fan-overheater protection
K1：Realy of compressor
RED WHT BLU BLK
LP
LP
HP HP
LPHPSUT
SUT SUT
IT
IT IT
OT
OT
OT
CT
CT
CT
AT
AT
AT
+12V
+5V
0~10V-OUT
PWM-OUT
AI12
AI/DI11 AI/DI10 AI/DI09
PWM-IN
AI/DI08 AI/DI07 AI/DI06 AI/DI05 AI/DI04 AI/DI03 AI/DI02 AI/DI01
0~5V-IN
GND
GND
GND
GND
GND GND
GND GND
GND
GND GND GND
GND GND
GND
GND GND GND
t
5K
t
5K
t
5K
t
5K
t
5K
GND
485A3
12V
485B3
CN13
6.8K
t
50K ET
ET
ET
FS FOHP
1234
1
4
WiFi
YEL 485B-
BLK GND
RED 12V
WHT 485A+

[email protected]om.au
1300 859 933
www.evoheat.com.au
Advanced DHP-R Manual
Page 18
9. Maintenance
9.1 F.A.Q
DO I NEED TO GET MY UNIT
SERVICED?
It is recommended that you get your EvoHeat unit serviced once a year by
your local certified air conditioning or refrigeration technician. If your unit is
located in a coastal area, more frequent maintenance may be necessary.
During the service, they will check the operational pressures of the
refrigeration system and give the unit and fins a good clean to ensure
maximum performance.
DO WE HAVE RECOMMENDED
SERVICE AGENTS?
EvoHeat have a large database of recommended service agents. Please
contact EvoHeat tech support on 1300 859 933 for your local service agent
details.
SHOULD I CHECK MY UNIT
REGULARLY?
We recommend you check your unit regularly to avoid potential issues and
damage to your heat pump.
WHAT SHOULD I BE CHECKING
REGULARLY?
Check the water inlet/outlets often for leaks. You should avoid the condition

performance and reliability.
You should clear the pool/spa filter regularly to avoid damage to the unit as a
result of the dirty of clogged filter.
The area around the unit should be dry, clean and well ventilated. Make sure
there is nothing blocking the airflow of the heater e.g. Leaf litter.
Discharge all water in the water pump and water system, so that freezing of
the water in the pump or water system does not occur. You should discharge
the water at the bottom of water pump if the unit will not be used for an
extended period. You should check the unit thoroughly and fill the system
with water fully before using it for the first time after a period of time.
Check the power supply and cable connection often, should the unit begin to
operate abnormally, switch it off and contact the qualified technician

[email protected]om.au
1300 859 933
www.evoheat.com.au
Advanced DHP-R Manual
Page 19
9.2 Advanced
CHECK THE AREA
GENERAL WORK AREA
Prior to beginning work on systems containing flammable
refrigerants, safety checks are necessary to ensure that the risk
of ignition is minimised. For repair to the refrigerating system, the
following precautions shall be complied with prior to conducting
work on the system. prolonged period of no usage.
All maintenance staff and others working in the local area
shall be instructed on the nature of work being carried out.
Work in confined spaces shall be avoided. The area around
the workspace shall be sectioned off. Ensure that the
conditions within the area have been made safe by control
of flammable material.
PRESENCE OF FIRE EXTINGUISHER
WORK PROCEDURES
If any hot work is to be conducted on the refrigeration equipment
or any associated parts, appropriate fire extinguishing equipment
shall be available to hand. Have a dry powder or CO2 fire
extinguisher adjacent to the charging
Work shall be undertaken under a controlled procedure to
minimise the risk of a flammable gas or vapour being
present while the work is being performed.
CHECKING FOR PRESENCE OF REFRIGERANT
VENTILATED AREA
The area shall be checked with an appropriate refrigerant
detector prior to and during work, to ensure the technician is
aware of potentially flammable atmospheres. Ensure that the
leak detection equipment being used is suitable for use with
flammable refrigerants, i.e. non-sparking, adequately sealed or
intrinsically safe.
Ensure that the area is in the open or that it is adequately
ventilated before breaking into the system or conducting any
hot work. A degree of ventilation shall continue during the
period that the work is carried out. The ventilation should
safely disperse any released refrigerant and preferably
expel it externally into the atmosphere. prolonged period of
no usage.
CABLING
DETECTION OF FLAMMABLE REFRIGERANTS
Check that cabling will not be subject to wear, corrosion,
excessive pressure, vibration, sharp edges or any other adverse
environmental effects. The check shall also consider the effects
of aging or continual vibration from sources such as compressors
or fans.
Under no circumstances shall potential sources of ignition
be used in the searching for or detection of refrigerant leaks.
A halide torch (or any other detector using a naked flame)
shall not be used.
REPAIR TO INTRINSICALLY SAFE COMPONENTS
LABELLING
Do not apply any permanent inductive or capacitance loads to
the circuit without ensuring that this will not exceed the
permissible voltage and current permitted for the equipment in
use.
Intrinsically safe components are the only types that can be
worked on while live in the presence of a flammable atmosphere.
The test apparatus shall be at the correct rating. Replace
components only with parts specified by the manufacturer. Other
parts may result in the ignition of refrigerant in the atmosphere
from a leak.
Equipment shall be labelled stating that it has been de-
commissioned and emptied of refrigerant. The label shall be
dated and signed. Ensure that there are labels on the
equipment stating the equipment contains flammable
refrigerant.
NO IGNITION
SOURCES
No person carrying out work in relation to a refrigeration system which involves exposing any pipe work
that contains or has contained flammable refrigerant shall use any sources of ignition in such a manner
that it may lead to the risk of fire or explosion. All possible ignition sources, including cigarette smoking,
should be kept sufficiently far away from the site of installation, repairing, removing and disposal, during
which flammable refrigerant can possibly be released to the surrounding space. Prior to work taking
place, the area around the equipment is to be surveyed to make sure that there are no flammable
hazards or ignition risks. No Smoking signs shall be displayed.
CHARGING
PROCEDURES
In addition to conventional charging procedures, the following requirements shall be followed.
•Ensure that contamination of different refrigerants does not occur when using charging
equipment. Hoses or lines shall be as short as possible to minimise the amount of refrigerant
contained in them.
•Cylinders shall be kept upright.
•Ensure that the refrigeration system is earthed prior to charging the system with refrigerant.
•Label the system when charging is complete (if not already).
•Extreme care shall be taken not to overfill the refrigeration system.
Prior to recharging the system, it shall be pressure tested with OFN. The system shall be leak tested on
completion of charging but prior to commissioning. A follow up leak test shall be carried out prior to
leaving the site. The safety wire model is 5*20_5A/250VAC, and must meet the explosion-proof
requirements.