User Manual - Enviro-tex
Contents
1. HTH rem E T oee pz me D Te Dr 36 Page e Enviro Tex 169 177 Cleethorpe Road Grimsby DN31 3AX Email info enviro tex co uk www enviro tex co uk 37 Page2. eee ave ER te details aic Lo pn en eoa Rd eit tele uut acd 24 SC CHONG Rer 26 26 65 c r 26 IispectiOn apnd cla 27 IT TUE 27 C 27 Problems and Corrective 28 SOCOM Rome 35 Components 35 4 Page INFORMATION FOR INSTALLER AND SERVICE ENGINEERS Under the Consumer Protection Act 1987 and the Health and Safety at Work Act 1974 it is required to provide information on substances hazardous to health COSHH Regulations 1998 Enviro Tex takes every reasonable care to ensure that these products are designed and constructed to meet these general safety requirements provided they are properly installed and used To fulfil this requirement products are comprehensively tested and examined before dispatch When working on the appliance it is the responsibility of the user engineer to ensure that any necessary personal protective clothing or equipment is worn when appropriate for parts which could be considered hazardous or harmful This appliance may contain some of the items below Refrigerants The appliance
3. 1 Ambient temperature sensor faulty or damaged 2 Ambient temperature sensor connector plug disconnected and or oxidized due to damp or water 3 The controller and or PC Board faulty or damaged 1 Return water temperature sensor faulty or damaged 2 Return water temperature sensor connector plug disconnected and or oxidized due to damp or water 3 The controller and or PC Board faulty or damaged 1 Outlet water temperature sensor faulty or damaged Reconnect or clean water tank water temperature sensor Replace the controller or PC Board Replace the defrost temperature sensor Reconnect or clean defrost temperature sensor Replace the controller or PC Board Replace the compressor discharge temperature sensor Reconnect or clean compressor discharge temperature sensor Replace the controller or PC Board Replace the Ambient temperature sensor Reconnect or clean Ambient temperature sensor Replace the controller or PC Board Replace the return water temperature sensor Reconnect or clean Return water temperature sensor Replace the controller or PC Board Replace the outlet water temperature sensor 30 Page 2 Outlet water temperature sensor connector plug disconnected and or oxidized due to damp or water Reconnect or clean outlet water temperature sensor 3 The controller and or PC Board faulty or damaged 1 Compressor suction temperature Replace the Com
4. Board Use the correct sensor Temp lt Actual water tank AMIS Water Lemp b The water tank temperature Position the sensor sensor is not in the correct position correctly 2 The Y shaped filter is blocked Clean the filter Error code 05 3 The plumbing is blocked Repair or replace the plumbing and or valves 28 Page b Circulation pump is too Install correct circulation pump small for specific application Charge the correct volume of refrigerant specified 6 Excessive refrigerant charge volume on the label 7 Control cable of the high pressure Replace the damaged cable reconnect switch damaged or disconnected 8 High pressure switch cannot be reset Replace high pressure switch 9 Input of the high pressure sensor is shorted with common error code 05 is Replace the PC Board still displaying 10 The refrigeration system is blocked by Find the cause of blockage and replace the filter ice or dirt and or re vacuum the system Detect leakage and repair Vacuum charge 1 Refrigerant leakage refrigerant and start heat pump 2 Control cable of the high pressure Replace the damaged cable or reconnect switch damaged or disconnected 3 Low pressure switch cannot be reset Replace low pressure switch Error code 06 4 Input of the high pressure sensor is shorted with common error code OBE is Replace the PC Board still displaying 5 The refrig
5. diagram fault Inatructlon Enrawtim _ Cade rakan a ip FadeEnpritr dere Inadicn iileanic velse E i a m ___ EBF REEUNBETTILTS ieam Ona oone RAD 5 LUE z 16 Page Power Supply 1 If the supply voltage is too low or too high it can cause damage and or result in unstable operation of the heat pump unit due to high in rush currents on start up The minimum starting voltage should be above 90 of rated voltage The acceptable operating voltage range should be within 10 of the rated voltage When heat pump units are installed in parallel ensure that the voltage difference between these units is within 2 of each other The voltage difference between phases of a three phase power supply should be within 2 Ensure the cable specifications meet the correct requirements for the specific installation The distance between the installation site and the mains power supply will affect the cable thickness Follow the 17 edition wiring regulations to select the cables circuit breakers and circuit breakers Earthing and Over Current Protection In order to prevent electrical shock in case of leakage from unit install the heat p
6. 1 The controller cable damaged or Reconnect or replace controller cable and wrap it disconnected with insulation tape The controller 2 board damaged Replace PC Board displays 00 3 Pool temperature sensor and or cable Reconnect or replace pool temperature sensor disconnected or damaged Reconnect or a The main power supply No display on S replace the mains 1 Mains power supply is abnormal cables is disconnected or the controller power supply damaged cable 32 Page 21 22 2 PC board power cable is disconnected or the fuse is burnt Check and ensure that the mains b The main power supply power supply voltage is lower than 175V cable length and thickness is within the specifications Reconnect PC Board cable or replace the fuse 3 PC Board transformer is damaged Replace the PC Board transformer 4 The controller cable damaged or disconnected Reconnect or replace controller cable 5 PC Board damaged Replace the PC board 1 Fan motor capacitor damaged under this circumstance the fan motor will overheat The fan does not operate not in running mode ON 6 Fan motor cable disconnected or damaged 1 Compressor damaged under this circumstance the compressor motor will overheat The 2 Compressor connecting cable is burnt Replace compressor connecting cable compressor m k 3 The compressor windings have been does not burnt
7. ES amp CYCLE WATER PUMP e 22 heat frosthite es Prec ning ks water filling Water rogain water regain water water supply 1 4 online timer 215141814 eur C tamer display lock key display When the power supply to the heat pump is switched on for the first time an audible tone is heard from the controller The LCD will be displayed in a dimming mode no back light At this time the touch keys are locked see lock key display symbol 18 Page Keys Explanation Unlocking Keys Press the power key for 3 seconds until you hear the audible tone then release the key The backlight of the LCD display will turn on and the key pad is locked with no lock key display symbol The key pad will automatically lock after 60 seconds displaying the lock key display symbol Power keys By pressing the power key the unit can be switched ON and OFF A and V keys Press to increase and decrease values Setting key Press for inquiry parameter and password setting Timer key Press for timer setting timer eliminate and clock settings Controller Set Up 1 Temperature Setting Make sure key pad is unlocked Press the A key temperature setting symbol is flashing and the set temperature is displayed Press the A key again the displayed temperature
8. operate while the fan is working 5 AC contactor does not work 2 The motor windings have been burnt Repair or replace the fan motor 3 The display is ON but heat pump unit is 4 Fan motor relay damaged Check and replace if damaged 5 No fan motor output from PC Board Replace PC board 4 The compressor is jammed or blocked Repair or replace the compressor Replace fan motor capacitor Press the power button and turn On the heat pump unit Reconnect or replace fan motor cable Replace compressor capacitor Repair or replace the compressor a The AC contactor winding is damaged or Replace the AC the contactor is jammed contactor and cannot close 33 Page Check and ensure that b The main power the mains power supply voltage is lower supply cable length than 175V and thickness is within the specifications c No compressor relay Check and or replace output from the PC compressor relay or PC Board Board 6 Thermal relay damaged Replace the thermal relay 1 Fan is not working Refer to problem description 22 1 Find the cause of blockage and replace the filter and or re vacuum the system 5 2 Check for leakages if found repair and re 2 Insufficient refrigerant or the SUM charge refrigerant as per volume specification on refrigeration system is blocked label 3 If no leakage was found re charge refrigerant as per volume specificatio
9. clock setting 4 Timer Setting The heat pump consists of two separate timing functions Timer 01 and 02 are used to set the ON OFF times of the heat pump within the 24 hour period Timer 03 and 04 are used to set the ON OFF times of an external water pump within 24 hour period Timer 03 and 04 not applicable with these models Heat pump ON OFF timers 01 ON OFF timing 02 ON OFF timing External water pump ON OFF timers 03 ON OFF timing 04 ON OFF timing Press the timer key and enter 01 ON time Set the ON time as in Clock Setting section Press the timer key again to set timer 01 OFF time Set the OFF time as in Clock Setting section Repeat sequence until all timer settings are completed If however a timer is not used set ON and OFF times to 00 00 Timer setting can be randomly selected For example Timer 01 ON Timer 02 OFF Timer 03 OFF and Timer 04 OFF me 22 Pie 4 ry T st Loe LU D i n BRL NEL Nr __ timer setting time Tash display up with down with 22 Page After completing all timer settings the controller will display the following a E EZ timer ON OFF To cancel the timer feature press the timer key for more than 3 seconds until an audible tone is heard then release key timer is now cancelled 5 Manual Forced Defrosting Although this heat pump feature
10. contains R407c refrigerant The constituents of R407c are HFC s R125 R134a and R32 all of which have low toxicity levels When handling avoid inhalation and contact with the skin and eyes Suitable personal protective equipment PPE must be worn gloves overalls eye protection and a comprehensive first aid kit containing eyewash should be easily available Site engineers should have a certificate of competence and should know and understand the properties and hazards before handling liquid refrigerants When the appliance has come to the end of its life span an approved engineer must dispose of the equipment and refrigerants in accordance with the EU laws Seek urgent medical attention if in haled or digested Exposure to eyes and skin should be followed by immediate cleansing of the affected areas and medical attention if necessary Insulation Fibre insulation may be irritating to the skin eyes nose and throat When handling avoid inhalation and contact with the eyes Use disposable gloves facemasks and eye protection After handling wash hands and other exposed parts When disposing reduce dust with water spray and ensure all parts are securely wrapped Glue Sealants and Paints Glue sealants and paints are used in this appliance and present no known hazards when used in the manner of which they are intended 5 Page A IMPORTANT SAFETY INFORMATION FOR THE END USER e installation of the appliance must only be ca
11. horizontal air flow type heat pump does not need sheltering The structure design has protected all internal components against rain and sunshine A shelter is necessary to avoid snow burying the heat pump in heavy snow areas 9 Page Please make sure the standardized voltage 220V 240V is available to the heat pump otherwise the performance would be influenced and could affect your warranty The foundation of the heat pump can be a cement or steel structure Anti vibration rubber feet and a flat foundation are generally required The foundation structure can be flexibly designed according to the working weight of the heat pump Please see the technical data in this manual Water drainage should be available near the installation location for draining water in an effective way Do not install the heat pump in a place where there is polluting or corrosive materials like oil flammable and explosive gas and sulphide ect Keep it far away from sands falling leaves and area with high frequency equipment Installation on a balcony or on a roof top must be in accordance with the allowable stress of the building structure The installation space should be referred as follows Free Space Behind Recommended 500mm 900mm AM 3000mm Free Space in Front lt lt um Cu 4 Vertical View Horizontal View Intake and outlet should not be obstructed The wall the unit is to be mounted on should be strong enough
12. reduce the back pressure the pipes should be installed horizontally 8 Install an automatic bypass valve when connecting directly to a system no buffer E 14 Page Electrical Connections A WARNING Risk of electrical shock or electrocution Ensure that all high voltage circuits are disconnected before commencing heat pump installation Contact with these circuits could result in death or serious injury to users installers or others A CAUTION Label all wires prior to disconnection when servicing the heat pump Wiring errors can cause improper and dangerous operation Check and ensure proper operation after servicing General Information Wiring connections must be done according to the wiring diagram found on the inside of the heat pump access panel or see addendum A for reference The heat pumps must also be earthed A ground lug is provided on the inside of the heat pump electrical compartment The supplied controller is pre wired using a low voltage low loss cable and can be easily moved and located where required The controller plugs directly onto the cable supplied with no additional wiring required If you wish to extend this cable or any of the sensor cables please use a shielded low loss cable 15 Page Wiring Diagram Single Phase EVI10000 EVI14000 EVI17000 ALT PRU Toe Torkig ache Mota 4 The figura in le c eantrel line code 2
13. to bear the weight and vibrations of the unit Allow for proper clearances around the unit Location should allow easy access for maintenance For any further guidance on heat pump installations for planning purposes please consult the latest version of the MCS guidelines or your local authority 10 Page Suggested Installation Methods 1 For heating and hot water See figure 2 Control principal 1 3 way valve For domestic hot water mode 3 way valve powers on For heating 3 way valve powers off 2 When both heating and domestic hot water don t reach the set temperature hot water is prioritized 3 When domestic hot water reaches the setting temperature the system shifts the 3 way valve automatically to heating mode if there is a call for heat from the switching contact When the in built temperature sensor on the return pipe A6 reaches the setting temperature L3 the system goes into standby until this temperature drops Or when the switched contact signal is satisfied whichever occurs first Notice a The switched contact should connect to a room thermostat or external controls b The hot water tank with coil for domestic hot water should ideally be specially designed for use with a heat pump with the heat exchange capacity of the coil larger than the maximum output of the heat pump Enviro tex can supply this if required please contact us for details c The circulation pump should be properly sized to ensure th
14. will increase Press the W key temperature setting symbol is flashing and the set temperature is displayed Press the W key again the displayed temperature will decrease The range of water temperature can be set from 20 68 F 60 C 140 F default 60 C 140 F B CYCLE Compressor 2 this symbol is flashing water temp No iz also flashing NOTE e Itis recommended that the maximum setting temperature to 60 C 19 Page 2 System Status display values Make sure key pad is unlocked Press the setting key and enter into the inquiry panel with inquire symbol on display WATER PUM vL In ELI ET sisctricty luni Es Frcar p eiii eg eee HE inquired water temperature inquiry panel inquired code On the state of power on press the setting key for more than 3 seconds until an audible tone is heard and enter into the setting panel with setting symbol on display After parameter set press the setting key again for next parameter setting after all parameters set exit the setting panel Details are shown as follows Temperature difference between hot water and indication Decreasing water temperature difference to restart Compressor 35 Set to 20 for no heating function Method 2 20 Page coil temperature to quit C 40 C defrosting El i P1 ectronic expansion va
15. Don t use the unit if the fan fence has been removed f To avoid electric shock or fire don t store or use oil paint petrol combustible gas or liquid around the unit don t throw water or other liquid on to the unit and don t touch the unit with wet hands g Don t adjust the switch valve controller or internal data without permission of customer support team h If a safety protection device is activated at start up please contact the customer support team Product Protection 1 Compressor Time Delay Protection To ensure the compressor is protected a time delay of 3 minutes is needed to restart the compressor 2 Water Flow Switch Protection error code 03E To ensure that the heat pump will not operate during no water flow conditions and the error code will be displayed If no water flow switch has been installed please link out terminals 3 Compressor High Discharge Temperature Production error code 12E If a high compressor discharge temperature 2 115C 239F is detected for 30 seconds the heating function will be disabled and the error code will be displayed The heat pump will resume operating automatically after 3 minutes 4 Compressor High Pressure Protection error code If a high pressure is detected on the compressor the heating function will be suspended the error code will be displayed and the alarm will sound The heat pump unit will resume operation 3 minutes after the high pressure switch was re
16. Enviro tex Domestic EVI Series Air Source Heat Pumps Wi heat pumps IMPORTANT SAFETY INSTRUCTIONS READ AND FOLLOW ALL INSTRUCTIONS RETAIN THIS GUIDE FOR FUTURE REFERENCE Enviro Tex Domestic EVI Series Installation and User Guide Customer Service If you have any questions about ordering Air Source Heat Pump replacement parts and products please get in touch Customer Service and Technical Support Open from 9am 4pm Monday Friday Phone 01472 828086 Email info enviro tex co uk Address 169 177 Cleethorpe Road Grimsby DN31 3AX Website WwwW enviro tex co uk 2 Page Table of Contents IMPORTANT SAFETY PRECAUTIONS eect Se od 5 Saren Materials a 5 Important End User Safety INfOrMatiOn cccccccccccseccecssscecesececenececeuscceeeneceseueceseeeceesegeeeeas 7 eM n 8 8 Product Overview 8 idu 8 5 9 AU OM 9 Materials needed for 9 Outdoor Unit 10 Suggested Insta
17. ase refer to name plate on the units Correct installation is required to ensure safe operation The requirements for Enviro Tex heat pumps include the following 1 Appropriate site location and clearances 2 Wiring to conform to 17 edition wiring regulations 3 Adequate water flow This manual provides the information needed to meet these requirements Review all application and installation procedures completely before continuing the installation Installation of Outdoor Unit The heat pump should be installed on a solid level base that can take the weight preferably a concrete foundation If concrete slabs are used they must rest on asphalt or shingle L fT Higher than snow depth The heat pump should not be positioned next to sensitive walls for example next to a bedroom Also ensure that the placement does not inconvenience the neighbours The heat pumps must not be placed so that recirculation of the outdoor air can occur this causes lower output and impaired efficiency Large amounts of condensation water as well as melted waters from defrosting can be produced Condensation water must be led off to a drain or similar The outdoor unit should be installed in a ventilated place with enough space for air inlet and outlet while without thermal radiation or other heat source The air outlet should not be against the wind Generally
18. ating is running A CAUTION Refrain from using this heat pump if any technical components have been in contact with water Immediately call a qualified service technician to inspect the heat pump 23 Page CAUTION Keep all objects clear from above the heat pump Blocking air flow could AN damage the unit and may void the warranty Users Guide 1 Rights and Responsibility 1 1 To ensure you have the service guarantee period only qualified heating engineers can install and repair the unit If you infract this request and cause any loss and damage our company will not be held responsible Please refer to your warranty card for further information 2 User Guide 2 1 All safety protection devices are set in unit before leaving the factory don t adjust it by yourself 2 2 Units have been charged with refrigerant and lubricating oil if needed owing to a leak please refer to the charging quantity on nameplate 2 3 The external water pump must be connected to the output from the unit 2 4 Use antifreeze glycol when the environment temperature is less than zero in winter 2 5 Safety Precautions a Unit must be installed by a competent person plumber or heating engineer b Please check that power supply corresponds with unit size c The main power switch of unit should have earth leakage protector the power cable must meet the unit power requirements d Unit must have a ground wire don t use the unit if there is no ground wire e
19. bnormal compressor discharge temperature 0 Phase Failure 18 and or Faulty compressor discharge temperature sensor Ambient temperature too low and or Faulty 0 Phase Stagger ambient temperature sensor 0 1 2 Water flow switch T Faulty grounding heating inlet water sensor 1 6 Compressor high pressure and or 05 l 25 Faulty water level detector faulty switch 2 Compressor low pressure and or 2 Faulty outlet water temp sensor faulty switch 2 3 Password protection Faulty water pressure switch 1 Compressor high discharge 12 3 Outlet water temp too low temperature Faulty inlet water tank water l 15 Compressor over current protection temperature sensor NOTE Ifa fault occurs during normal heat pump operation a common error code will be displayed on the controller display panel Follow the instructions in Section 3 Controller Set Up System status display values 2 to inquire check the specific error codes for the corresponding heat pump systems 1 22 Bd Controller communication Faulty compressor suction temp sensor id 35 26 Page Inspection and Service Enviro tex air source heat pumps are designed and built to provide long life and performance when installed and operated properly under normal conditions Periodic inspections are important to keep your heat pump running safely and efficiently Owner Inspection Enviro tex recommends that inspections on heat pumps are done frequently especiall
20. e flow rate in the system meets the minimum required by the unit Its actual water flow cannot be less than water flow on name plate Installation Diagram of Heating Hot Water System A z 4 Magnesuimrod Hot Water Inlet Hot Water Tank gt Cold Water Inlet 1 4 ae 24 Limber Hole a i UU hy Fu 4 Magnetic Valve Fa n C oi 5 E 22 X Wez 222 SE Water Pump Magnestic Valve Rad iato rs Expansion Vessel Cold Water Inlet LA Figure 2 11 Page 2 For hot water only buffer tank or thermal store installations with or without a coil See Figure 3 1 Set L3 20 C short connect the terminals 1 to 3 of switch contact 2 Terminal for 3 way valve is not needed The system will now be controlled by the programmer supplied and the thermostat probe only Installaton Diagram of Hot Water System m LM 1 S Wis Wee EL Figure 3 3 For direct heating only installation with external controls See Figure 4 1 Set the water tank temperature 20 C install the water tank temperature sensor into the return pipe of the heat pump 2 According to site requirements set return water temperature L3 of the heating system 3 Terminals of 1 3 connect to the switched signal of room thermostat or external controls The term
21. eration system is blocked by Find the cause of blockage and replace the filter ice or dirt and or re vacuum the system 1 The controller cable damaged or Error Code 09 Replace damaged controller cable or reconnect disconnected 1 Incorrect installer agent control Error Code 11 Input the correct control password password D Charge the correct volume of refrigerant specified 1 Insufficient refrigerant charge volume on the label 7 Error Code 12 2 Compressor discharge temperature Replace the compressor discharge temperature sensor faulty or damaged sensor 3 PC Board damaged Replace the PC Board Error Code 15 1 Water tank water temperature sensor Replace water tank water temperature sensor 29 Page 10 11 12 13 Error Code 16 Error code 18 Error code 21 Error code 22 Error code 27 2 Water tank water temperature sensor connector plug disconnected and or oxidized due to damp or water 3 The controller and or PC Board faulty or damaged 1 Defrost temperature sensor faulty or damaged 2 Defrost temperature sensor connector plug disconnected and or oxidized due to damp or water 3 The controller and or PC Board faulty or damaged 1 Compressor discharge temperature sensor faulty or damaged 2 Compressor discharge temperature sensor connector plug disconnected and or oxidized due to damp or water 3 The controller and or PC Board faulty or damaged
22. et the timer time for the heat pump to operate d No electrical power supply to 1 Check and ensure that circuit the heat pump no display on breakers are ON the controller ______ ____ _ 2 Test voltage on the PC Board L N E 31 Page Connectors 3 If power is not restored replace cable The temperature displayed is Check the water tank water more than 45 C temperature sensor replace if faulty 2 Problem with controller or PC Board burnt relays and replace b PC Board is damaged due to Find out the cause find faulty relay s c PC Board microcontroller chip Replace the PC Board faulty 1 Check for leakages if found repair and re charge refrigerant as per volume specification on 1 Insufficient refrigerant AREI 2 If no leakage was found re charge refrigerant as per volume specification on label 2 The heating capacity of the heat pump Increase the size or number of heat pump units is insufficient Slow increase of water tank 3 Serious residues dirt occurred on the Clean the heat exchangers water heat exchanger temperature 4 The evaporator coil is dirty or jammed and this will affect the heat exchange Clean the evaporator coil efficiency 1 If the length of the pipes cannot be reduced 5 The length of the pines is too long then ensure well insulated piping and or improperly insulated 2 Increase the size and number of heat pump units
23. ic current rating No junction box is needed at the heat pump Connections are made inside of the heat pump electrical compartment Conduit may be attached directly to the heat pump jacket It is advised to use PVC conduit for the electrical supply cables Use a correctly sized water pump to obtain minimum water flow rate A filter on the water inlet is needed 7 The plumbing should be insulated to reduce heat losses Note We recommend installing shut off valves on the inlet and outlet water connections for ease of serviceability p Enviro tex EVI Series Air Source Heat Pump Specification BEEN 4 2 _ 1000 EVI14000 EVI1700 Water Outlet Temp at 35 45 C Ambient Normal kw 101 95 142 33 17 1 16 Capacity BEEN BEEN BEEN 000 Power Input KW 24825 3388 1 44 38 42 378 41737 __ Ambient Normal kW 79 72 113 0 14 1 13 Temp Capacity 00000 7C PowerInput kW 228 25 3033 39 44 BEEN COP 3 7 3 5 3 7 3 4 3 7 3 3 Max Power Iput MN _ kW _ Refrigerant E eer R407C Compressor Copeland Scroll EVI Net Weight ________ NE Kg O 100 125 Dimensions Water Connections Note The above design and specifications are subject to change without prior notice for product improvement For detailed specifications of the units ple
24. ice the unit without consulting your authorized installer agent e PLEASE read the complete Installation and or User s Guide before attempting to operate service or adjust the heater 27 Page Problem and Corrective Action Problem Possible Cause Corrective Action Description 1 Ensure that incoming phase rotation is correct Use a phase rotation meter to check incoming phase 1 Absent phase or phase i 2 Test for absent phase make sure that the circuit breakers rotation or voltage imbalance are switched ON and check cable connection Error code 01 77018 the 3 phases or 02 3 Test for Voltage imbalance if not balanced check cabling and connections 2 Controller or PC Board Faulty Phase rotation Replace the PC Board and or Controller Protection damaged Replace Water Flow Switch oy ennai If no flow switch installed check flow switch terminal has been linked out 2 Connection cable damaged Replace the connection cable or reconnect the cable or disconnected 3 Controller or PC Board Replace the PC Board and or the Controller Faulty 1 Remove air from the system 4 Too much air in the plumbing result in reduction in flow rate 2 Make sure that the circulation pump is working correctly a Circulation pump Repair or replace circulation 5 Circulation pump faulty damaged pump a The water tank water cus temperature and
25. inal of 3 way valve is not needed 4 The circulation pump should be properly sized to ensure the flow rate in the system meets the minimum required by the unit Its actual water flow cannot be less than water flow on name plate 12 Page Installation Diagram of Heating System T Fan Coil d XEM Radiators TET Underfloor I ET I P uil Water Pump Expansion Veasel Cold Water Inlet Figure 4 Water Connections Water connections at the heat pump Flexible pipe fittings are recommended to be installed on the flow and return connections See Figure 3 Water Outlet Water Inlet Figure 5 The water inlet and outlet connections to the heat pump accept standard BSP threaded fittings A CAUTION Make sure that water flow rates can be maintained with the installation of additional heat pumps and plumbing restrictions 13 Page Plumbing Installation Requirements 1 Water pressure should not exceed 3 Bar 2 Each part connected to the unit needs to be connected with method of loose jointing and installed with intermediate valves Ensure that all plumbing has been properly flushed and tested All pipelines and pipe fittings must be insulated to prevent heat losses 5 Install a drain valve at the lowest point of the system to enable the system to be drained fully 6 Install a check valve on the water outlet connection in back siphoning could occur In order to
26. llation Methods 53 9 11 5 T S L Tm 14 Plumbing Installation 0 00 1 14 55 2 ER 15 2 P S 15 Electrical 16 POWE SUDON 17 Grounding and Over Current s d be eso fS 17 Controller PC Board SettllBo oca bon ep a ore rou Lu Eva elvat 17 3 Page SOCO 5 18 Operating Heat PUIID 18 LCD User Frienaly Interface Controll eres cue EE 18 18 e 18 CONTON SCUD 19 qj Temperature Sene 19 2 System Display Vallis ponetur 20 COCK SENE ER 21 22 5 Manual Forced DETFOSUING 23 General Opsratng GUI 23 RERO 24
27. lve 20 180 s regulation period Allowed discharge gas temperature 00 Expansion valve opening degree 55 15 4 degree Super heat compensation 0 Note Expansion valve minimum opening 6 30 12 elf electric expansion valve optional is not controlled by controller dial switch in the ON side no indication shows of P1 P6 while parameter setting For a single heat pump system SHPS the inquiry codes are from A1 to A9 By pressing the setting key sequentially the desired inquiry code will be selected and value displayed To exit the inquiry panel press the setting key once after the last inquiry code Er is reached Details are shown as follows __ Evaporator coil pipe temp Heating inlet water temp Ambient temp EEV opening degree 3 Clock Setting Press the timer key for more than 8 seconds until an audible tone is heard and the timer symbol disappears The hour value is flashing and can be adjusted by pressing A and W keys Press the timer key for minute adjustment and repeat as previous Press the timer key to exit Please note that the clock setting can be used only when timer setting function is closed 21 Page Lr n oe ONDE E gt CYCLE Jd compressor 72 shecricty heat detroet Lic L EI ies or milir sa ALL L enter inte
28. n on label 23 Frost or ice 3 The defrost parameter is not set Re set the defrost parameter to the correct value correctly 4 The defrost sensor is not placed M Move the defrost sensor to the correct position correctly Check the 4 way valve to find the cause replace 5 The 4 way valve cannot be reversed the winding or the 4 way valve 6 Controller is damaged Replace the controller 7 The refrigeration system has a problem Check and repair refrigeration system 34 Page Section 5 Components assembly EVI10000 pie mem m pem ____ m tm nm s LL me pre t m eee peee ee px t rm xm LL eee m liem p ze T m mmm mpm p E E 35 Page EVI14000 ER pus E E H H E HHHH Hon HEP ERE E LIII an J HHAH imin amaa
29. odically check the condition of any supports for deterioration e Do not wash the unit with water alcohol benzene thinner glass cleaner polish or powders e During cleaning isolate the electrical supply to the appliance 6 Page Section 1 Introduction Product Overview Air Source Heat Pumps transfer heat from the ambient air to water providing high temperature hot water up to 60 C The unique enviro tex heat pump is widely used for house heating With our innovative amp advanced technology the EVI range of heat pumps can operate very well at 25 C ambient temperature with high output temperatures up to 60 C which ensures the compatibility with normal sized radiator based systems without supplementation Compared with traditional oil LPG boilers Enviro Tex high temperature heat pump produces up to 50 less CO whilst saves up to 80 on running costs Enviro Tex heat pumps are not only highly efficient but also easy and safe to operate General Features 1 10 11 Low running costs and high efficiency e Ahigh coefficient of performance COP of up to 5 results in lower running costs compared with traditional ASHP technology e No immersion heater supplement is required Reduced Capital Costs e Simple installation e Compatible with traditional radiator systems eliminating the expense of installing under floor heating or changing to oversized radiators High Comfort Levels e High storage temperature res
30. pressor suction temperature sensor faulty or damaged sensor 2 Compressor suction temperature Reconnect or clean compressor suction Error code 29 Replace the controller or PC Board sensor connector plug disconnected and or oxidized due to damp or water temperature sensor 3 The controller and or PC Board faulty or Replace the controller or PC Board damaged 3 The controller and or PC Board faulty or damaged Error code 35 1 Compressor over current a The water tank water Replace the controller or PC Board 1 Water pressure switch connector plug Reconnect or clean water pressure cable disconnected and or oxidized due to connection to PC Board damp or water Error code 31 2 Water pressure switch cable damaged Replace the cable 14 15 1 Check if the incoming voltage 6 1 2 Check if the compressor is overloaded 1 Check whether the thermal relay is damaged if so replace temperature setting is set too Re set the water tank water low and the desired temperature to the correct range temperature cannot be reached b The difference between the required water tank water temperature and the heat pump Re set by reducing the value of L2 1 User s incorrect restart temperature L2 is too The heat operation and or big pump 15 not parameter heating Timer function has been set settings a to a specific ON and OFF time which does not allow sufficient Re s
31. rried out by persons with suitable engineering qualifications Do attempt to modify repair or service the appliance yourself e Do not insert body parts or any other items into the air inlet or outlet Do not start or stop the unit by removing the power cable always use the controls and switches provided e If installed outside ensure the appliance is protected from prolonged exposure to large quantities of water e Donotoperate the unit or the programmer with wet fingers e Upon replacement of the fuse ensure an adequate replacement is used e g not fuse wire e Keep the programmer unit of out of reach of children e The electrical supply must be isolated during a heightened risk of lightning strikes e Donotattempt to move the appliance once it is installed this must be carried out by a qualified engineer e Isolate the electrical supply to the appliance if an odour presents or scorching is detected e Only use this appliance for the purpose intended e Ensure the area around the appliance is clean well ventilated and kept free of all obstructions e Do not keep items on top of the appliance or use it to support other appliances e Do not under any circumstances stand on the appliance e isolate the electrical supply to the appliance if it is to be switched off for a period of more than two weeks e Drain the water from the water circuit if power to the unit is to be switched off during very cold weather e Peri
32. s an automatic defrosting function a manual defrosting function enables the user to manually defrost the heat pump when unusual frosting appears Make sure the key pad is unlocked Ensure that heat pump unit is in running mode displaying the heat symbol Press the Y key for more than 8 seconds until an audible tone is heard and release key The heat pump will be in defrosting mode and the defrost symbol will be on display General Operating Guide Initial Start Up Precautions First boot strap and running state checks 1 To ensure the power to the unit is at the correct voltage 2 Unit Electrical connections Check if power supply wire connections are okay if earth wire is properly connected check if water pump and other chain devices are properly connected Water pipe and pipes ensure all pipes have been flushed and are free of debris Check water system make sure the water flow is adequate and there is no air or leakages 5 First boot strap or starting up again after being shut down for a long time stop ensure power is on ahead and heating at least 12 hours for crankcase local loop temperature is zero Water pump starts up first fan starts up and then compressor starts up and begins regular operation 6 Running checks check the following items a Input and output water temperature b Cycle water flow rate c Running electric current of compressor and fan d High and low pressure value when he
33. st If the same error code appears for 3 consecutive times within an hour the heating function will be permanently disabled and the alarm will sound Please consult an authorised service technician 24 Page This error normally relates to an inadequate water flow rate causing the heat pump to overheat check the size of the pump and pipe work 5 Compressor Low Pressure Protection error code 06E If a low pressure is detected on the compressor the heating function will be suspended the error code will be displayed and the alarm will sound The heat pump unit will resume operation 3 minutes after the high pressure switch was rest If the same error code appears for 3 consecutive times within an hour the heating function will be permanently disabled the error code will be displayed and the alarm will sound Please consult an authorised service technician NOTE Low pressure will not be detected under 2 circumstances during the defrosting period and or during the first 5 minutes after the compressor has started 6 Sensor Any Faults error codes 15E 16E 18E 21E 22E 27E 29E When any sensor appears to be faulty the heating function will be suspended and the corresponding error code will be displayed The heat pump will resume operation when the fault has been corrected 7 Frost Protection 1 In standby mode when the ambient temperature lt 5C if the compressor stops for more than 10 minutes the circulating pump starts to r
34. ults in increased hot water availability No potential danger of any inflammable gas poisoning explosion fire electrical shock which are associated with other heating systems A digital controller is incorporated to maintain the desired water temperature Long life and corrosion resistant composite cabinet stands up to severe climates The latest EVI compressor ensures outstanding performance ultra energy efficiency durability and quiet operation Self diagnostic control panel monitors and troubleshoots heat pump operations to ensure safe and reliable operations Intelligent digital controller with friendly user interface and blue LED back light Separate isolated electrical compartment prevents internal corrosion and extends heat pump life The heat pump can operate down to ambient air temperature of 25 C 7 Page Section 2 Installation The following general information describes how to install the air source heat pump Note Before installing this product read and follow all warning notices and instructions Only a qualified competent person should install the heat pump Materials needed for Installation The following items are needed and to be supplied by the installer for all heat pump installations 1 Plumping fittings Level surface for proper drainage 3 Ensure that a suitable electrical supply cable is provided See the rating plate on the heat pump for electrical specifications Please take a note of the specif
35. ump according to current electrical wiring regulations Do not frequently interrupt the voltage supply to the heat pump as this may result in a shorter life expectance of the heat pump When installing over current protection ensure that the correct current rating is met for this specific installation The compressor fan coil unit and heat pump water pump all have AC contactors and thermo relay protection Therefore in the process of installation and debugging firstly measure each of the aforementioned components current and then adjust the current protection range of the thermo relays Controller PC board Settings The Controller PCB has a pin selectable toggle switch which must be set according to the specific installation requirement Note Before any changes are made to the pin settings ensure that the mains supply power is OFF at the circuit breaker or physically disconnected from the mains supply 17 Page Section 3 Operating Your Heat Pump LCD User Friendly Interface Controller General Instructions The operation panel features 1 Capacitive touch keys for higher operating sensitivity and unlimited key operations eS Controller Panel Operating Controller Operation Guide Minimal electromagnetic susceptibility and interference Stylish appearance of easy viewing purposes Dust and Water Proof Install on wall indoor for convenient operation Automatic Key Lock Function AKL display n
36. un 30 seconds Circulating pump runs 30 seconds every 10 minutes 2 In the off mode when the ambient temperature lt 5C the water temperature gt 2C the circulating pump runs 30 seconds every 10 minutes when the water temperature is lt 2C the starting system until the water temperature is 2 12C system stops 9 Water Pressure Switch Protection error code 31E When the chilled water feeding magnetic valve is open and the controller detects that the water switch is in the off position for a period of six seconds the heating functions will be suspended and the error code will be displayed The heat pump will automatically resume operation with a 3 minutes delay time after the water pressure switch was reset 10 Compressor over Current Protection 35E This function will only be activated after 6 seconds after the compressor has started When the current is equal to or higher than the set current L8 refer to Parameter Setting in Section 3 for a consecutive period of 6 seconds the heating function will be suspended and the error code 35E will be displayed The heat pump will resume operation when the fault has been corrected 11 Controller Communication Faults O9E There is some problem between control panel and main PCB connection or control panel and PCB problem 25 Section 4 General maintenance Controller Error Codes The following Common Error Codes for the heat pump units displayed on the controller A
37. y after abnormal weather conditions The following basic guidelines are suggested for your inspection 1 Make sure the front of the unit is accessible for service 2 Keep the top and surrounding areas of the heat pump clear of all debris 3 Keep all plants and shrubs trimmed and away from the heat pump especially the area around the fan 4 Keep lawn sprinklers from spraying on the heat pump to prevent corrosion and damage 5 Ensure that the earth wire is always properly connected 6 A water filter must be installed and maintained 7 All the safety protection devices have been set up please refrain from changing these settings If any changes are needed please contact our support team 8 If the heat pump is installed under roof without a gutter ensure that all measures are taken to prevent excessive water from entering the unit 9 Do not use this heat pump if any electrical part has been in contact with water Contact an authorized service technician Troubleshooting Use the following troubleshooting information to resolve issues with your heat pump A WARNING RISK OF ELECTRICAL SHOCK OR ELECTROCUTION Ensure that all high voltage circuits are disconnected before commencing heat pump installation maintenance Contact with these circuits could result in death or serious injury to users installers or others e Keep your hands and hair clear of the fan blades to avoid injury e NOT attempt to adjust or serv
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