Effitherm AWT9-V5+ User Manual
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Effitherm AWT9-V5+ User Manual

Air/water/tank 9/11/13kw split heat pump
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Air/water/tank 9/11/13kw Split Heat Pump

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Summary of Contents for Effitherm AWT9-V5+

  • Page 1 Air/water/tank 9/11/13kw Split Heat Pump...

  • Page 2: Table Of Contents

    Catalogue 1.Before use List of accessories 2. Safety precautions Main components Outlines and dimensions Working principles 6. Specifications Exploded view 2.Installation Installation methods 2. Installation of the indoor unit 3. Installation of the outdoor unit 4. Refrigerant pipe connection Quick connector Flare nut 5.

  • Page 3: Catalogue

    Catalogue 4.Service and maintenance 1. Attention 2 Service Indoor unit Outdoor unit 3. Maintenance Cleaning of water filter Cleaning of heat exchanger Gas charging Cleaning of plate exchanger Antifreeze in winter 4. Troubleshooting 5.Wiring diagram 1 03...

  • Page 4: Before Use

    Before use 1. List of accessories Attention Dear Customer Congratulation with your choice of heat pump. You have chosen a high quality product with some of the latest technology within the heat pump market. This unit, will correctly installed and set, provide you with cost efficient high level of comfort in your house regarding cooling, heating and hot shower water.

  • Page 5: Safety Precautions

    Before use Safety precautions 【 】 Symbol description The following symbols are very important. Please be sure to understand their meaning, which concerns the product and your personal safety. Warning Caution Prohibition 【 】 Safety precautions 1.The heat pump is for “Closed pressurized water borne systems only, with running pressure from 1-2,5 bars”.
  • Page 6 Before use Safety precautions Ground wire Water tank Don't run the heat pump unit The power supply to the unit must Use a dedicated socket for this with water temperature lower be grounded. unit,otherwise malfunction may than 25℃. occur. When running the unit, never cover Do not touch the power plug with Water or any kind of liquid is strictly the product with clothes, plastic...
  • Page 7 Before use Safety precautions Be aware finger might be hurt by the fin of the coil. Please select the correct fuse or breaker as per recommended. Steel wire or copper wire cannot be taken as substitute for fuse or breaker. Otherwise, Copper damaged maybe caused.

  • Page 8: Main Components

    Before use 3. Main components 【 】 Indoor unit Outside AWT9/11-V5+ Inside Handle Water to heating/cooling system (G1’’male) Water expansion tank Wired controller Decorative panel Refrigerant expansion tank Front panel Emergency Switch for 6KW electric heater Digital thermostat Thermostat knob Automatic air purging valve Plate heat exchanger Water pump...

  • Page 9: Indoor Unit

    Before use 3. Main components 【 】 Indoor unit Outside AWT13-V5+ Inside Handle Water to heating/cooling system (G1’’male) Water expansion tank Wired controller Decorative panel Emergency Switch for 6KW electric heater Front panel Thermostat knob Digital thermostat Plate heat exchanger Automatic air purging valve Water pump Drainage...

  • Page 10: Outlines And Dimensions

    Before use 4. Outlines and dimensions 【 】 Indoor unit AWT9/11/13-V5+ Unit:mm 1 10...
  • Page 11 Before use 4. Outlines and dimensions 【 】 Outdoor unit AW9-V5+ Unit:mm Refrigerant connector dimension:φ9.52&φ12.7 1 11...
  • Page 12 Before use 4. Outlines and dimensions 【 】 Outdoor unit AW11-V5+ Unit:mm 1044 φ Liquid pipe O.D. 9.52 3/8” φ Gas pipe O.D. 12.7 1/2" 1 12...
  • Page 13 Before use 4. Outlines and dimensions 【 】 Outdoor unit AW13-V5+ Unit:mm 1124 1058 Refrigerant connector dimension:φ9.52&φ16 1 13...

  • Page 14: Working Principles

    Before use 5. Working principles Power Supply Four-Way Vale Compressor Pressure Check Valve Three-Way Valve Expansion Refrigerant Filter Valve Outdoor Unit Before use 6. Specifications Indoor unit AWT9-V5+ AWT11-V5+ AWT13-V5+ Model Number Please check the chapter 2-9 Power supply and electric connections Type Plate Heat Exchanger Plate Heat Exchanger Plate Heat Exchanger...
  • Page 15 Before use 6. Specifications Outdoor Unit DC Inverter Air to Water Heat Pump Unit Type of Product Model no. AW9-V5+ AW11-V5+ AW13-V5+ Power Supply-Refrigerant V/Hz/Ph 220-240/50/1- R410A Max. Heating Capacity (1) 10.1 11.5 12.6 C.O.P (1) 4.03 3.82 3.89 Heating Capacity Min./Max.(1) 4.33/10.1 4.67/11.5 4.2/12.6...

  • Page 16: Refrigerant Pipe Connection

    Before use Before use 6. Specifications 6. Specifications 2 4 0 36 0 Hot water capacity* Kg/h ℃ - ～ Range of working temperature 25 45 Water pipe connection inch G1" Max. Pressure of Water Inbuilt Electric Heater 2(220-240V/50Hz/1PH) Control of 2KW electric heater Manual Inbuilt Electric Heater 6(400V/50Hz/3PH)
  • Page 17 Before use Exploded view 【 】 Indoor unit AWT9/11-V5+ Quantity Item no. Part name Front panel Wired controller 1.5kw electric heater Mechanical thermostat Overheating protector Plate heat exchanger 6L expansion tank 6kW electric heater Three-way valve Water pump Refrigerant expansion tank Indoor PCB Emergency switch for 6KW electric heater Relay...
  • Page 18 Before use Exploded view 【 】 Indoor unit AWT13-V5+ Quantity Item no. Part name Front panel Wired controller 1.5kw electric heater Mechanical thermostat Overheating protector Plate heat exchanger 6L expansion tank 6kW electric heater Three-way valve Water pump Indoor PCB Emergency switch for 6KW electric heater Relay Water flow switch...
  • Page 19 Before use Exploded view 【 】 Outdoor unit AW9-V5+ Name Name Decorative Panel Right Plate Outdoor Fan Pressure Outdoor Motor Big Handle Front Panel Bulkhead 3/8 Valve Air Guide 1/2 Valve Fixture Motor Bracket Valve Cover Column Support Compressor Four-Way Valve Feet Bottom Plate Electrical Box...
  • Page 20 Before use Exploded view 【 】 Outdoor unit AW11-V5+ Name Name Decorative Panel Right Plate Outdoor Fan Pressure Outdoor Motor Big Handle Front Panel Bulkhead 3/8 Valve Air Guide 1/2 Valve Fixture Motor Bracket Valve Cover Column Support Compressor Four-Way Valve Feet Bottom Plate Electrical Box...
  • Page 21 Before use Exploded view 【 】 Outdoor unit AW13-V5+ 20 21 Name Name Name Decorative panel Side panel Condenser Front panel Bulkhead Valve cover Air guide Handle Terminal block Sperator Outdoor fan PFC transducer Suction temperature sensor Outdoor motor Transformer Fixture EEV controller Compressor discharge...
  • Page 22 Installation Installation methods 【 】 In the storage environment temperature range Ambient temperature: ℃ to ℃ Media temperature: + ℃ to ℃ 【Installation methods】 Sanitary hot water, floor heating hot water and radiator heating hot water can all be get from the indoor unit.
  • Page 23 Installation Installation methods 【 】 Installation methods In the following pages you will find how to connect different system applications to this heat pump, based on your system design. It is of course many ways to do this and it is impossible tocover every possible system design in the market.
  • Page 24 Installation Installation methods 【 】 1.Directly to heating system -No shunt valve -No external circulation pump -Internal bypass should be closed Observe! thermostatic controlled heating systems like floor heating, radiators or fan coils, an external bypass between turn and return manifold or thermostat valve, is required.Minimum 28 mm copper piping or similar is required for heating system.
  • Page 25 Installation Installation methods 【 】 3.Connected directly to combined high and low temperature heating system. -Close the internal bypass Observe! Temperature reduction valve and separate circulation pump for low temperature heating system is required.Minimum 28 mm copper piping or similar is required for heating system.
  • Page 26 Installation Installation methods 【 】 5.Connecting external hot water heater. This unit have internal 250-liter water tank preserved for hot water for a normal family usage. Some households use more hot water than normal, due to for example big bathtubs or the number of family members.
  • Page 27 Installation Installation methods 【 】 6.Connecting an existing external boiler or other heating device as back up. This unit is designed to be a total heating source for a normal house within a normal outdoor temperature range. The heat pump has its own output and an additional built in 2 step 6 kW (3+3 kW) electric heater for taking care of the peak load of your heating system the coldest days, or if heat pump have functional failure.
  • Page 28 Installation Installation methods 【 】 6.1Control start of external boiler HTS: 3kW auxiliary heater valid for both heating and domestic hot water operation HTH: 3kW back-up heater for heating operation only Default setting: HTH has higher priority than HTS, which means, HTS will be activated only after HTH is activated, if heating capacity is not enough.
  • Page 29 Installation Installation methods 6.1.2: If the available electricity is enough to cover the power consumption of the heat pump unit and one build in 3kW heater, as there has already a 1.7kW electric heater in-build in the sanitary hot water tank for high temperature purpose, so: -Leave 3kW heater to HTS port not connected with power supply, so only this 1.7kW heater will be activated if unit can t give enough capacity for hot water operation...
  • Page 30 Installation Installation methods 6.1.4: If the capacity of the boiler is too small that it needs to combine both two 3kW heaters together as a back-up heater that can fully cover the whole house heating demand: -Connect boiler to HTH port. -Set parameter C8 to 1, so HTH has higher priority than HTS.
  • Page 31 Installation 2. Installation of the indoor unit 【Installation notes】 A. The indoor unit can be located in a room, corridor, balcony, garage or warehouse. B. Indoor unit should be placed on flat and solid ground. C. The unit is recommended to be put in a space close to water supply, and drainage. D.
  • Page 32 Installation 3. Installation of the outdoor unit 【 】 Installation notes A. The outdoor unit can be located in a room, corridor, balcony, and roof or hanged on the wall. B. Please don't install outdoor unit close to bedroom or living room, because there is some noise when it's running.
  • Page 33 Installation 3. Installation of the outdoor unit 【Installation】 Please add rubber absorber under the outdoor unit, to reduce the vibration. 【 】 A. On a concrete stand 1.The unit must be located on a flat,solid,preferably cemented surface. 2.When installing the unit,introduce a tilt of 1cm/m for rain water evacuation. 3.When installing the unit in harsh climatic conditions,sub-zero temperature ,snow,humidity.., it is recommended to raise the unit off the ground by about 50cm.
  • Page 34 Installation 4. Refrigerant pipe connection Please take the refrigerant pipe and accessories from the carton box of piping kit. Insulation When insulating the refrigerant pipe, please insulate each pipe separately (refer to figure 1 below), don't insulate the refrigerant pipes together (refer to figure 2 below).
  • Page 35 Installation 4. Refrigerant pipe connection 【 】 Installation Start the installation of the pipe kit at the indoor unit and then straighten out the pipes gradually. On the ends of the pipe lengths(installation kit) there are two loose screw connections. There are two fixed nipples on the units’...
  • Page 36 Installation 4. Refrigerant pipe connection 【 】 Pipe routing IMPORTANT: Continue the pipe from the indoor unit to the outdoor unit and connect the pipe fittings in the same way. The radius at pipe bends must not be less than 15 cm. Use a cardboard template to check this.
  • Page 37 Installation 4. Refrigerant pipe connection Check the couplings for leaks by applying some soap and water. Check for bubbles. Check the seals and tighten the couplings again 12-24 hours after installation. Check for leaks by wetting with soapy water. Also check the connections at the indoor unit.
  • Page 38 Installation 4. Refrigerant pipe connection 3. Prepare a vacuum pump and a pressure 4. Connect the other tube of the pressure gauge, connect one tube of the pressure gauge to the outdoor unit. gauge to the vacuum pump. 5. Open pressure gauge, and start the vacuum pump to vacuum the unit for around 10 minutes.
  • Page 39 Installation 5. Water pipe connection After installing the unit, please connect the water inlet and outlet pipe according to the local instructions. Please carefully select and operate the water pipe. After connection, the water piping should be pressure tested, cleaned before use. 【...
  • Page 40 Installation 6. Installation of the kits in the accessories 3.Drain the water to drainage system of the house, and open the ball valve to drain out all water inside the tank. Please extend the drainage pipe by connecting another water pipe, if the distance between the unit and drainage system is long.
  • Page 41 Installation 6. Installation of the kits in the accessories 【L type decorative panel in back side】 When the pipings are installed in back side of the unit, L type decorative panel can be installed as follows, in order to hide the pipings in backside and look better: 1.
  • Page 42 Installation 7. Air purging of water system Shower water Shower water Filling water Buffer tank Filling water to water volume Filling water to coil Floor heating Outdoor unit Name Symbol Mixture Valve Water Pump Filter T/P Valve One Way Valve Automatic Exhaust Valve Water Pressure Gauge Shutoff Valve...
  • Page 43 Installation 7. Air purging of water system After finishing the installation, please refer the above illustration and proceed with the following steps to discharge the air in the system: Evacuation of shower coils in water tank 1. Open ball valve 1,3,4,5,6,7,8. 2.
  • Page 44 Installation 8. Pre-Start up 【Check before pre-start up】 Before start-up, please check the following items: A. Check if the water pipes are connected well and if there is any leakage; B. Make sure the water supply valves are open and the water flows smoothly; C.
  • Page 45 Installation Power supply and electric connections This unit has a maximum combined output (hot water and heating) of 16,5/18,5/20,5 kW (depending on model). To get maximum output, the unit needs a total of 11 kW power input. However, the unit's output and consumption can be adjusted in accordance to the available power input in the building, and type of backup heater you want to connect.

  • Page 46: Introduction Of Wired Controller

    1. Introduction of wired controller Timer ON/OFF Confirm/ MODE Key Lock Up-Regulation Down-Regulation Symbol Function Explanation Working mode When heating mode is selected, symbol is Symbol shown i display when selected, Heating mode shown in the display flickers when activated When cooling mode is selected, symbol is Symbol shown i display when selected, Cooling mode...
  • Page 47 1. Introduction of wired controller Symbol Explanation Working mode Function Indicates the current working level, Compressor If symbol is "ON" compressor is working “low range30-46”, "middle range47-65", indicator "high range66-100” Shows time when unit is "ON", Shows Clock and parameter menu and group Clock or parameter parameter groupe or -number when unit indicator...

  • Page 48: Parameter Setting Overview

    Parameter Setting Overview Default factory Operation Page in Unit Statue Item Sub-menu settings Level the menu Under Clock Time None User 00:00 User Temp. Setting Hot water/Heating/Cooling Hot water, heating, cooling, hot Working Mode water+heating, hot water+cooling, User heating+cooling, hot water+heating +cooling Room Temp.
  • Page 49 Parameter Setting Overview All the units sensor values (temperatures) and information of current running statue (compressor speed, voltage and current) can be red and checked via operation panel in both ON/OFF statue. Press buttons for 5 seconds in main interface, to activate the menu of current running statue. Press buttons to check all working status in sequence in accordance to below list.
  • Page 50 Parameter Setting Overview Default factory Operation Page in Item Sub-menu Unit Statue settings Level the menu Ambient temp. to start heating ° Check in Ambient temp. to start cooling 25° Temperature ON/OFF, Set User Parameter in OFF Shifting priority -5° 20°...
  • Page 51 Parameter Setting Overview Default factory Page in Operation Item Sub-menu Unit Statue settings Level the menu Unit Motorized 3-way valve 120 sec Advanced Switching Time Installer Setting Group Heating Operation Motorized 1 same as cooling operation 3-way valve Direction Anti-Legionella Set Temperature 30 min.
  • Page 52 Parameter Setting Overview Page in Operation Default factory Unit Statue Item Sub-menu the menu Level settings Under Ambient Temp. 1 Ambienttemp 1 Vs Water Temp. 1 Ambient Temp. 2 Ambienttemp 2 Vs Water Temp. 2 Ambient Temp. 3 Advanced Ambienttemp 3 Vs Water Temp. 3 Installer 63~64 Setting Group...

  • Page 53: Basic Operation

    3. Basic Operation 【 】 ON/OFF When the unit is OFF press to turn on the unit The unit will work in its last working mode Press again to turn off the unit. OFF: The unit is OFF when it is fed with power.

  • Page 54: Room Temperature Control

    3. Basic Operation 【 】 Room Temperature Control When unit is ON, keep on pressing "M" to switch the control of cooling and heating operation between room temperature control and water temperature control mode. When in water temperature control mode, "Water Temp." will be shown on the screen; When in room temperature control mode, "Water Temp."...
  • Page 55 3. Basic Operation 【 】 Time&Timer Setting Timer function allows you to control different working modes at spesific hours during a 24 hour periode, for even more energy savings. For example you can turn off hot water production in the daily hours you don’t use this. In the selected periode unit will not produce hot water even hot water is selcted as working mode in your application.
  • Page 56 3. Basic Operation For example, parameter 00 is to set the ON/OFF of complete timer function (if it is set to OFF, following parameters 01~08 will be invalid). When setting for this parameter is activated, use to adjust the value. For example, parameter 01 is the ON time for hot water function.
  • Page 57 3. Basic Operation Heating/Cooling Timer: Range Meaning Default Value Parameter No. Heating/Cooling Timer ON-1 00 00-23 59 00 00 Heating/Cooling Timer OFF-1 00 00 00 00-23 59 Heating/Cooling Timer ON-2 00 00 00 00-23 59 Heating/Cooling Timer OFF-2 00 00-23 59 00 00 These parameters are used for setting the ON/OFF timer for heating or cooling operation.
  • Page 58 3. Basic Operation For example, if the setting is made like below: Meaning Value Parameter No. Normal Shower Time (for unit with 20 00 heat recovery function only) If at time 19:00 in the day, shower water is still not enough for shower, unit will activate standard hot water operation, instead of using recovered heat to heat up the shower water.
  • Page 59 3. Basic Operation Meaning of all readings: Meaning Item Meaning Item Ambient temperature System 1 evaporating pressure System 1 condensing pressure Hot water temperature System 2 voltage Cooling water temperature System 2 current Unit outlet water temperature System 2 compressor speed (in Hz) Unit inlet water temperature System 1 indoor coil temperature System 2 outdoor coil temperature...
  • Page 60 3. Basic Operation Temperature Parameter under basic operation level can be set in "OFF" mode only. Value of the Press "SET"+"M" for parameter 5 seconds, Parameter will shown on the display Sequence of the parameter Press or to check parameter values for each paramter in sequence.
  • Page 61 3. Basic Operation List of parameters Range Meaning Default Value Parameter No. Domestic Hot Water Restart Based 0 - 10 (in ℃) On Water ∆T Heating Restarts Based On Water ∆T 0 - 10 (in ℃) Cooling Restarts Based On ∆T 0 - 10 (in ℃) 0(via.
  • Page 62 3. Basic Operation If cooling port receives the signal, the system switches to cooling; If heating port receives the signal, the system switches to heating. When neither port receives the signal, the system stays in standby mode. Note: If system has a very big buffer tank for both cooling and heating operation, please pay special attention to set "Auto"...
  • Page 63 3. Basic Operation Meaning Range Default Value Parameter No. Heating Curve Function 0(invalid), 1(valid) Heating Curve means let the system adjust the outlet water temperature based on the ambient temperature by continually monitoring and adjusting in opposite direction with the current ambient temperature levels according to a pre-set curve, to optimum comfort levels based on the changing heat demand,insulation levels,etc.
  • Page 64 3. Basic Operation (TSh) (Tsha) T(Ta) (Ta) As shown here, actual set water temperature (TSha) is calculated according to actual ambient temperature (Ta), according to this created curve. 1 64...

  • Page 65: Advanced Setting

    4. Advanced Setting Advanced setting is opened to installer or professional customer. It contains more functions and setting that can maximum the comfort and efficiency of the system.You need to enter the correct password to activate "Advanced Setting": 2.Press 5 seconds 3."----"...

  • Page 66: System Setting

    4. Advanced Setting Press to adjust the blinking value Press "SET" to confirm the setting. If no operation for 5 seconds, it exits to main interface without saving the setting. 【System Setting】 Group 0 List of parameters Range Meaning Default Value Parameter No.
  • Page 67 4. Advanced Setting For example, when the parameter 0=1, the unit works in testing mode. If port IP and GND are short-connected, the relay EVW output 230V, and the LED lamp near the relay will light. Meaning Range Default Value Parameter No.
  • Page 68 4. Advanced Setting Meaning Range Default Value Parameter No. Cooling Buffer Tank 0(no), 1(yes) This parameter is used to set whether the system has a buffer tank for cooling operation. It is more related to the control of "circulation pump for cooling system". If there has no buffer tank included in the cooling system, "circulation pump for cooling system"...
  • Page 69 4. Advanced Setting Range Default Value Meaning Parameter No. Heating Circulation Pump Start 20 - 50 (in ℃) Temperature Heating Cirulation Pump Stop 20 - 50 (in ℃) Temperature Cooling Circulation Pump Start 5 - 20 (in ℃) Temperature Cooling Cirulation Pump Stop 5 - 20 (in ℃) Temperature 0 (Alway ON), 1 - 600(With...
  • Page 70 4. Advanced Setting Meaning Range Default Value Parameter No. 0 (Alway ON), 1 - 600(With Unit Motorized 3-way valve power for the set time, in Switching Time seconds) 0 (Same as Hot Water Heating Operation Motorized 3-way Operation), 1(Same as valve Direction Cooling Operation) Parameter A8 is used to set the type of the motorized 3-way valve used to switch the direction of water flow in different...
  • Page 71 4. Advanced Setting Range Default Value Meaning Parameter No. Anti-freezing Function 0(invalid), 1(valid) Anti-freezing Starting Ambient 5 - 10 (in ℃) Temperature--Primary Anti-freezing Starting Ambient 0 - 4 (in ℃) Temperature--Secondary Anti-freezing Ending Ambient 0 - 10 (in ℃) Temperature--Secondary Anti-freezing Starting Water 0 - 10 (in ℃) Temperature--Secondary...
  • Page 72 4. Advanced Setting Meaning Range Default Value Parameter No. Manual ON/OFF of Heater in Hot 0(invalid), 1(valid) Water Mode If heat pump unit meets a failure, extra heating source (unit "Auxiliary Heater" or "Backup Heating Source For Hot Water Mode" can be manually switched ON for heating up the shower water by set "Manual ON/OFF of Heater in Hot Water Mode"...
  • Page 73 4. Advanced Setting Meaning Range Default Value Parameter No. Backup Heating Source For 0(no), 1(yes) Heating Mode Priority Of Backup Heating Sources 0(lower), 1(higher) For Heating Mode (Compared With Unit Auxiliary Heater) Accumulated Value between operation 0 - 600 time VS set temp. for Heating Mode If there has a "Backup Heating Source For Heating Mode"...
  • Page 74 4. Advanced Setting These parameters are valid only for the units with heat recovery function. For the unit without this function, "Heat Recovery Function" should always set to 1 (invalid). If it is set to ON, unit will try to heat up the hot water by recover the wasted heat in heating and cooling operation. It will turn ON heat recovery circuit if actual hot water temperature is "Hot Water Restart Based On ∆T in Heat Recovery Operation"...

  • Page 75: Failure Code

    5. Failure code When unit is in ON/OFF mode and has some failure, which part has this failure and the failure code will be shown as follows: 00: indoor unit 01: compressor system 1 Failure code or 02: compressor system 2 protection code 03: Wired controller 1 75...

  • Page 76: Error Code

    6. Error code 【 】 Failure for outdoor unit Type Code Failure Unit work ing statue Unit working statue Input current too high or too low, or system works in over-load condition. Unit recovers automatically after 5 minutes when it happened the first time. If same failure happened 3 times in a certain period of time, P 0 1 Main line current protection...
  • Page 77 6. Error code 【 】 Failure for outdoor unit Unit working statue Type Code Failure Unit work ing statue Outdoor evaporator coil temp. Check whether air circulates fluently in outdoor unit. Comprssor stops sensor protection Unit input voltage too high or too low. Check the AC over high/low voltage Comprssor stops voltage of unit power supply.
  • Page 78 6. Error code 【 】 Failure for outdoor unit Type Code Failure Unit work ing statue Unit working statue If system too high pressure protection detected by condensing pressure sensor happened 3 times in a certain period of time, it gives this failure code and unit can't be restarted until repowered.
  • Page 79 6. Error code 【 】 Failure for indoor unit Unit working statue Failure Type Unit work ing statue Code Check whether sanitary hot water temperature sensor is Sanitary hot water temp. sensor Sanitary hot water mode open, short-circuit or value drifts too much. Replace it E0 2 failure is not available.
  • Page 80 6. Error code 【 】 Failure for indoor unit Unit working statue Type Code Failure Unit work ing statue 1.Check whether set temperature for cooling is too low; whether system has too small water flow rate; check water system especially the filter.2.Check whether System 1 indoor anti-freezing Compressor of system 1 system has not enough refrigerant inside by measuring...

  • Page 81: Electric Heating

    7. Electric heating This unit has included two electric heaters inside. Two electric heaters are used to keep the water temperature when heat pump capacity is not enough or heat pump fail to work, as well as heat the water up more rapidly when water temperature is low. 【1.5KW electric heater】...
  • Page 82 7. Electric heating When heat pump capacity is not enough, or heat pump meets a failure, indoor PCB will turn ON the internal heater automatically. However, if the indoor PCB itself is broken, one can obey the following instructions to turn ON the heater manually: Emergency switch K9 Mechanical...

  • Page 83: Service And Maintenance

    Service and maintence 1. Attention A．The user mustn't change the structure or wiring inside the unit. B．The service and maintenance should be performed by qualified and well-trained technician. When the unit fails to run, please cut off power supply immediately. C．The smart control system can automatically analyze various protection problems during daily use, and display the failure code on the controller.

  • Page 84: Service

    Service and maintence 2. Service 【 Indoor unit】 Service on indoor unit as follows: (this operation must be done by qualified personnel) 1. Cut off the power supply 2. Remove the front panel(Be care about the cables in between) 3. Check the electric part 【Outdoor unit】...
  • Page 85 Service and maintence 2. Service e. Tracking and take out the ground and power cable for fan motor, and take the whole fan motor with cables out. (see picture g, h, i and j). f. Put the repaired or new fan motor back and connect all cables back. Ground cable Cable connected to PCB Take out the motor...

  • Page 86: Maintenance

    Service and maintence 3. Maintenance 【Cleaning of water filter】 The water filter should be cleaned according to the manual of water filter, to ensure the water flow of the water system. It is recommended to be cleaned once in the first month, and then, once half a year.

  • Page 87: Antifreeze In Winter

    Service and maintence 3. Maintenance 【 Cleaning of plate heat exchanger】 Thanks to the normally very high degree of turbulence in the heat exchanger, there is a self-cleaning effect in the channels. However, in some applications the fouling tendency can be very high, e.g. when using extremely hard water at high temperatures. In such cases it is always possible to clean the exchanger by circulating a cleaning liquid (CIP - Cleaning In Place).
  • Page 88 Service and maintence 4. Troubleshooting 1. Lacking of water in water 1. Check the water filling device. Fill the system with Too high noise system enough water. from the water 2. Air exists in water system 2. Purging the air out. pump, or no water flow 3.

  • Page 89: Wiring Diagram

    1.Wiring diagram Wiring diagram 【Important Notice】 With 230V/50Hz/1Ph power supply: Use wiring diagram A1. L1, L2 and L3 from terminal block T2 should be connected to terminal U of terminal block T1;N1, N2 and N3 from terminal block T2 should be connected to terminal N of terminal block T1.Power supply cable must be able to carry the maximum running current of the system (recommand to use power cable no...
  • Page 90 1.Wiring diagram Wiring diagram 【 】 Indoor unit TAKE CARE! This diagram is subject to change with improvement of the unit. Always refer to the diagram supplied with the product. 1 90...
  • Page 91 1.Wiring diagram Wiring diagram 【 】 Outdoor unit–Flare nut TAKE CARE! This diagram is subject to change with improvement of the unit. Always refer to the diagram supplied with the product. 1 91...
  • Page 92 R120400447,V1.1...

This manual is also suitable for:

Awt13-v5+Aw11-v5+Awt11-v5+Aw13-v5+Aw9-v5+

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