Pipe connections
Contents
1. dwa yue Jele duet wooy dwa UOmDu09 JooplnO deLA duet jeju Jele due 19InO J91BA 1 5mm2 terminal connection 1BUIUJJ UOUJUJO Sull InSN UJOJ J Lasn4wol4 UJOJ 4 euu UOUJUJO sull InSN UJOJ J zZasn4wos4 UJOJ 4 euu UOUJUJUO oul ISIDDeN UJ0J J 2sn4 014 UJOJ 4 euu UOUJUJUO oul ISIDDeN UuoJd Z asn4jwol4 euu UOUJUJUO aullleQnaN Wos4 91N0 49d W014 euu UOUJUJUO aullleQnaN Wos4 Tasn4wol4 t GNOO d UJ044 wol4 FATE LEN ME I 01 6 SNO2 82d W014 z 8 SNOD 82d 014 lt 9 S GNOD 82d W014 lt GNOO add W014 lt Z T GNOO dd W014 lt Z T YNOD dd W014 lt NOO ddd W014 9 G VNOD 82d W014 lt 8 NOO 82d W014 01 6 NO 82d W014 Zt TT NOO 82d uo lt V VVVVVNM VVNM ALA W gt 9 g i is 5 D E o E LL duund 31343 1936M U10J 4 NY4 XUN J00D1nO 014 duund 31343 J93eM 1014 aAIBA Kem Ano j UJOJJ MO JJ9 e MJO SAIBA BA 92JU1 UJOJ J Josues eJnjeJeduje Jejeau AJei ixne je21129 3 u044 U21IMS eJnssaJd ejqeysn py u044 3e1sossaJq eJnssaJd MOT UJ0J4 yeysossaid eJnsseJd UBIH WoJd SAIBA jallaY 2155214 WO4 Josuas eJnjeJeduje PRNO sed JosseJduuoD Wold Josues eJnjeJeduje HUE 1972M UJ0JJ Josues eJ2. Wiring Diagram 3X400V 3 50 HZ S BATRA APM m DV gt NVJO 1 Ve CN IV VIA YOLOVINOD YOSSAYANOD gt ana LL T4 WER EE IBUIUUJ91 t Iejesq va UOUUUUOO eull enne IIeqneN iT UTE Ss Z 491egH vo ea an ta 9d JOVTId p VESH v9 ovid MOVIE d ERR VE gt ma EI Commissioning and adjusting Preparations Before starting up the system check that the heating hot water circuits are full and thoroughly vented Check the pipe system for leakage Filling and venting the heating medium system 1 Check the heating medium system for leakage Connect the filling pump and return line on the heating system s service connections as shown in figure Close the valve between the service connections Open the valves on the service connections AV1 AV2 Close the valve of the water tank and heating medium Start the filling pump and fill until there is fluid in the return pipe 7 Maintains the travelling schedule pole of the Three way valve for waterflow at the middle position 8 Press the power ON botton on the control panel and start the heating medium pump D o
3. 52 31 30 29 48 4 46 45 54 44 3 OUTP 4 A i or dob i DS ANN WW T T O z NI N hg T G o om gt ut Id gt c er e c N al Vd e O St Q CO O a NN m
4. 1 Dimensions of the AWA SS 6 outdoor unit 590 610 285 Dimensions of the AWA SS 8 outdoor unit 690 720 310 Dimensions of the AWA SS 10 outdoor unit Dimensions of the AWA SS 12 outdoor unit 1200 1230 Dimensions of the AWA SS 16 outdoor unit 1220 1250 390 49 Accessories Technical specifications E Technical specifications 230V 3 x 400 V CE mz Type Delivered supplied power at 7 35 C Delivered Supplied power at 2 50 C Operational voltage Starting current compressor Max operating current compressor Max operating curr incl immersion heater 9 kW Output HC pump Connection heating return o d Connection h
5. 45 List of components 1 Top board 2 Right side board 3 Left side board 4 Glass upper door 5 Glass lower door 6 Front board 7 Board for fixing control panel 8 The back board 9 Hole for copper pipe connection 10 Stainless steel adjustable feet 11 Control panel 12 Control panel Box 13 Connecting wire of control panel 14 Door lock 15 Connection heating return 28 58 mm 16 Expansion vessel connection 1 inch 17 Connection heating flow 28 58 mm 18 Cold water inlet 19 Hot water outlet 20 Power cord connection hole 21 Temperature sensor connection hole 22 Room temperature Sensor connection 23 Water tank 24 Wire groove 25 Temperature sensor Water Tank 26 Three way valve for waterflow 27 Temperature sensor heating flow 28 Temperature sensor Electrical auxiliary heater 29 Temperature sensor Heating return 30 Outside air temperature sensor connection 31 Defrost temperature sensor connection 32 Sound insulation board 33 Chassis 34 Electrical Auxiliary heater 35 Four way valve 36 Low pressure pressostat OFF 0 05MPa ON 0 15MPa 37 Adjustable pressure switch 38 Valve for adjustable pressure switch 39 High pressure pressostat OFF 3 3MPa ON 2 4MPa 40 High pressure pressostat OFF 2 9MPa ON 2 4MPa 41 Compressor 42 Oil tank 43 Drying filter The component list refers to all types of the heat pump see respective component placement pictures for information 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
6. Air is initially released from the hot water and venting may be necessary If bubbling sounds can be heard from the heat pump the entire system requires further venting When the system has stabilised correct pressure and all the air removed the heating controls can be set at the required values Emptying the water heater The siphon principle is used to empty the water heater This can be done either via the drain valve on the incoming cold water pipe or by inserting a hose into the cold water connection C General information Menu Navigation The right hand button on the control panel is used to open the desired menu The left hand button is used to return to the previous menu The up and down buttons are used to navigate between the parameters of a menu A cursor arrow on the left hand side of the display indicates which menu can be opened The up and down buttons are also used if you wish to increase or reduce a preset value Display of current operating mode During normal operation the following information will be displayed Desired preset room temperature Whether there is a heating demand or not If there is there will also be symbols telling which heat source is working heat pump or auxiliary heater or both see Symbols on page 6 ROOM 20 C OPER AUTO Which operating mode has been selected In addition to this the following messages may be displayed PHASE SEQUENCE The co
7. INSTALLATION AND MAINTENANCE INSTRUCTIONS AWA SS 6 AWA SS 8 230V 50HZ AWA SS SERIES AWA SS 10 AWA SS 12 AWA SS 16 3x400V 3 50Hz ERES e N System description Principle of operation Unit Description Jota tatnen tes Principle of heatpump aaa Control panel Layout Explanation Functions Symbols General information for the installer Transport and storage INSTANATION E Copper pipe connecting Inspection of the installation Pipe connections General iii Copper Pipe connections Pipe connection heating medium Pipe connections water heater How to connect the copper pipes The step and diagram of collect refrigerant Pump capacity diagrams heating medium side How to adjust the rate of flow Electrical connections Connect the power cord pp Wiring of the terminal mode one Wiring of the terminal mode two Connecting the room temperature sensor Connecting the outside temperature sensor Layout of the PCB 1 5mm2 terminal connection Part of wiring diagram 2 5m
8. reaches the value setting by user USER the ADD1 will be start up And the value testing under the value setting the ADD1 will be closed ADD2 When the value testing reaches the value setting by user USER the ADD2 will be start up And the value testing under the value setting the ADD2 will be closed ADD3 When the value testing reaches the value setting by user USER the ADD3 will be start up And the value testing under the value setting the ADD3 will be closed Sub Menu OPERATING TIME OPERATION TIME HEATPUMP ADD1 ADD2 ADD3 WARMWT Table 3 Menu OPERATING TIME Menu Text Description Adjustable by HEATPUMP Total operating hours of heat pump since USER installation Operating time will not be reset to zero ADD 1 Total operating hours of auxiliary heater USER 3kW since installation Operating time will not be reset to zero ADD 2 Total operating hours of auxiliary heater USER 6kW since installation Operating time will not be reset to zero ADD 3 Total operating hours of auxiliary heater USER 9kW since installation Operating time will not be reset to zero WARMWT Total operating hours of water heater USER since installation Operating time will not be reset to zero Contr e Menus Sub Menu RESET Reset to factory setting value Sub MenuMAN TEST MAN TEST ADD1 OFF ADD2 OFF ADD3 OFF HEAT PUMP OFF 3 WAY OFF 4 WAY OFF WARM PUMP How to enter the Sub Menu MAN TE
9. 59 60 61 62 63 64 65 66 67 68 Waterspout Condenser Pressure releasing valve Expansion valve Heating medium pump Connecting pipe with variable diameter Valve 1 Valve 2 Heating return pipe Heating flow pipe Drainpipe for Water tank Transformer Neutral line common terminal Circuit board 1 5mm terminal 2 5mm terminal AC contactor Switch board Air break switch cover Fuse 1 for 3 way valve Fuse 2 for Water cycle pump Fuse 3 for Outdoor Fan Fuse 4 for Electrical heater 3 Fuse 5 for Electrical heater 2 Fuse 6 for Electrical heater 1 Fuse 7 for Electrical heater 4 6mn terminal Air break switch Draining valve for water tank Draining valve for heating medium pump Draining valve for heating medium system Draining pipe for the chassis Draining hole Room temperature sensor Ourside air temperature sensor Draining connector Conex connectors Particle filters Drainpipe Adjustable Three way valve for water flow Dimensions and setting out coordinates 600 8 i e e eo o e e We 1 540 430 482 r 480 50 544 8 384 2 20g lr 67 1 d d RIS ES N N LD Q 8 95 1 Oo
10. Press the left hand button three times to return to the main menu Adjustment of ROOM value As mentioned above you can also adjust heat curve and indoor temperature by changing the ROOM value If you use ROOM value to adjust the heat curve the gradient does not change i e it doesn t become steeper or flatter Instead the whole curve is moved by 3 C for every degree by which the ROOM value is changed The relation supply line temperature to outside air temperature will not be affected The supply line temperature will be increased or reduced by the same number of degrees all along the heat curve See the following diagram Adjustment of the ROOM value should only be used for temporary changes of the indoor temperature For long term settings the CURVE value should be adjusted as this is the most energy and cost efficient way to set the indoor temperature For adjusting the heat curve please refer to the chapter Adjustment of the CURVE value on page 27 Factory setting of ROOM value is 20 C CURVE 40 C Changing the ROOM value If you wish to change the ROOM value 1 Press the up or down button once to open the ROOM value for adjustment 2 Increase or reduce the preset value using the up or down button so that the desired room temperature is reached Wait for 10 seconds or press the left hand button once to return to the main menu RE Contro NNI Adjustments to be made regularly Adjustment of Part of the
11. adapted to each individual installation The correct temperature value for your system will be entered by your installation contractor in connection with installation and can be adjusted later Warm Water Production The temperature of the water distributed to the water heater is controlled by the regulating pressure switch and cannot be adjusted Reading of warm water temperature To check the actual warm water temperature on the display 1 Open the main menu INFORMATION by pressing the right or left hand button once You will find the cursor at the sub menu OPERATION 2 Press the down button to move the cursor to the sub menu called TEMPERATURE 3 Open the menu by pressing the right hand button once 4 Press the down button to move the cursor to the parameter WARMWATER 5 Open the selected parameter by pressing the right hand button once A graph will be shown of last hour s warm water temperatures 6 Press the left hand button three times to return to the main menu The value displayed next to the parameter WARMWATER is the actual hot water temperature The value in brackets is the temperature at which warm water production will start When the actual temperature falls below that value warm water production starts The starting value is not adjustable E Regular Checks Check of Operating Mode In the event of an alarm The background light of LCD will flash and an alarm message will be displaye
12. changes registered over the last 60 minutes are stored in the control system and can be viewed in the shape of graphs TEMPERATURE OUT ROOM 20 C 20 C FEED 41 70 C RETURN WARMWT Table 2 Menu TEMPERATURE Menu Text OUT ROOM FEED RETURN WARMWT Description Outside air temperature Desired setpoint room temperature Actual measured supply line temperapture of heating system in brackets the setpoint desired value Measured return line tem perature of heating system in brackets the maximum return temperature allowed Measured warm water temperature in brackets the starting temperature for warm water production Sub Menu INTEGRAL 38 60 C 53 49 C Adjustable by User see Adjustment of ROOM value on page 28 Not adjustable The temperature necessary to keep the desired room temperature is determined by the control system Installation contractor To be adapted to each individual unit Not adjustable INTEGRAL 00 OFF CMP A 50 60 60 ADD1 200 50 ADD2 250 200 ADD3 300 250 Menus Menu Text Description Adjustable by OFF When the value testing reaches the value setting by user USER the system will be closed CMP A When the value testing reaches the value setting by user USER the compressor will be start up And the value testing under the value setting the compressor will be closed ADD1 When the value testing
13. distinct thermal layers in the water tank The unit is fitted with a regulating computer which is controlled over agraphic display unit Heat is distributed throughout the house over a hydronic heating system referred to as low temperature system with a maximal water temperature to radiators supply line temperature of 65 C Most of the heating demand is taken care of by the heat pump compressor unit the auxiliary heater being started only when demands exceed available heat pump capacity AWA SS series consists of five main components a Heat Pump Unit Rotory or Scroll compressor Stainless steel heat exchangers Circulation pumps for Brine sytem brine and heating systems Valves and safety equipment for refrigerant system complete with necessary electric components b Water Heater 150 or 200 litre Lined with copper sheet against corrosion or made of stainless steel Maintenance free as no anode is used c Reversing Valve Opening or closing the connection to water heater according to operating mode heating or warm water production d Auxiliary Heater 3 6 9 kW electric heating element Three step capacity control Fitted on supply line Delivers back up heat in case of great heat demand that exceeds heat pump capacity Starts automatically provided operating mode AUTO has been selected e Regulating Equipment The regulating system controls heat pump components compressor circulation pumps auxiliary heater and reversing v
14. line temperature to the radiators at 0 C outside temperature At outside air tempe ratures lower than 0 C the water sent to the radiators will be warmer than 40 C At outside temperatures higher than 0 C the water will be colder than 40 C When you increase the CURVE value the heat curve will become steeper and when you reduce it it will become flatter This is the most energy and cost efficient way to set the indoor temperature and should therefore be used for long term temperature settings If you wish to make a temporary change of temperature you can simply change the ROOM value see Adjustment of the ROOM value on page 28 Factory setting of CURVE value is 40 C at an outside air temperature of 0 C The value is adjustable between 22 C lt CURVE 40 C and 56 C Change of value for CURVE E Adjustments to be made regularly If you wish to change the CURVE value 1 Open the main menu INFORMATION by pressing the right or the left hand button once You will find the cursor at the sub menu named OPERATION Press the down button to move the cursor to the sub menu called HEAT CURVE Press the right hand button once to open the menu You will find the cursor at the parameter CURVE Open the selected parameter by pressing the right hand button once Increase or reduce the preset value using the up or down button You will see from the diagram how the gradient of CURVE changes af Go ND
15. liquid circuits Refrigerant circuit circulating inside the heat pump Through evaporation compression and condensation it absorbs energy from the outdoor unit and releases it to the heat carrier The refrigerant is chlorine free Heating circuit water transporting heat energy to the heating system radiators floor coils and the water heater 1 Heating Circuit Expantion valve pressure drop J Compressor pressure increase Refrigerant Refrigerant Circuit Evaporator Control panel Layout ROOM 20 C Up Display OPER AUTO button OFAN amp Left Right button button Down Power On Off button Explanation Control Panel The control panel of AWA SS features a graphic display five control buttons Beside the control panel you will find the User s Manual a short description of how to increase and reduce room temperature and a label with name and phone number of dealer ROOM 20 C OPER AUTO Qf amp A Graphic display Control panel EN Functions The control computer is operated with the help of a user friendly menu system that is displayed on the contr ol panel There is a main menu and four sub menus accessible from the main menu The menus are described in detail further down To be able to select the desired menu and increase or reduce preset values you will use the five buttons One button poin
16. r efrigerantreleases its heat ener gyto the heatingcircuit See Heat Pump Principle on p 4 The CURVE value will be adjusted on the control panel The value indicates the temperature of the water distributed to the radiators supply line temperautre at an outside air temperature of 0 C Circuit in the heat pump filled with refrigerant that by evapo ration compression and circuit condensation absorbs heat energy from the air sytem circuit and releases it to the Heating circuit Liquid absorbing energy from the Brine sytem circuit and releasing it to the heating circuit See Heat Pump Principle on p 4 Heating element The control computer regulates the whole installation All system settings and computer temperature changes are stored and registered in the computer Settings are adjusted via the graphic display on the control panel The heating circuit receives heat energy from the refrigerant circuit and carries it to the water heater or radiator floor coil systems See further Heat Pump Principle on p 4 The heat curve is the control computer s instrument for determining the required supply line temperature of the heating system Indoor temperature will be adjusted by adjustment of the CURVE value Description of the switch board 40 Function 3 8 Function of manual switch board 8 When test or repair the machine the compressor 2 d water cycle pump
17. the heating system or call the installation contractor Power failure caused by fuse or safety switch Open radiator or floor coil thermostats Fill and bleed the heating system or call the installation contractor Electrical fault The safety switch has cut out Check fuses and reset safety switch if cut out Electrical fault Call your installation contractor Electrical fault Call your installation contractor m ectrical fault Call your installation contractor Electrical fault Call your installation contractor Electrical fault Call your installation contractor Phase order reversed when changes were made to electric installation Call your installation contractor Table Alarm Messages Message Signification LOW PRESS Low pressure switch cut out Compressor is ERROR stop ped No warm water is produced HIGH PRESS Low pressure switch cut out Compressor is ERROR stop ped No warm water is produced MOTOR stoned No warm water f produced nd P ERROR ADD ERROR Overheat protection cut out Error outside air sensor The value 0 C will OUT SENSOR be used for calculation of supply line setpoint value i AI FEEDLINE Error supply line sensor Al operation SENSOR stopped except circulation pump of heating system RETURN SENSOR Error return line sensor Error warm water sensor No warm water ERM WATER production Actual measured room temperature is not d
18. ting upwards marked with a plus e One button pointing downwards marked with a minus e One button pointing to the right One button pointing to the left e One button pointing to the Power ON OFF Symbols For youto know at a glance the actual operating mode of the heat pump one of the following symbols wil be shownin the lower part of the display depending on which part of the unit is working The heat pump is running Warm water is being produced 1 The auxiliary heater is activated Indicates the status of warm water The figure next to the symbol indicates production H the symbol is empty capacity step warm water temperature is 44 C If the symbol is full warm water temperature is the start temp 4 C There is a heating demand General information for the installer Transport and storage Inspection of the installation The AWA SS series must be transported and stored upright and dry The AWA SS series may however be carefully laid on its back when being moved into a building ES O Ir 1i Installation AWA SS series is placed on a firm base preferably a concrete floor or foundation Install AWA SS series with its back to an outside wall ideally in a room where noise does not matter If this is not possible avoid placing it against a wall behind a bedroom or other roo
19. Heat Curve At outdoor temperatures between 5 C and 5 C part of the heat curve may need adjusting if the indoor temperature does not stay at the preset ROOM value For this reason the control system includes a function adjust ing the curve at three outside temperatures 5 C 0 C 5 C This function will allow you to increase or reduce the supply line temperature without affecting the heat curve at three specific outdoor temperatures If for example the outside temperature is 5 C the supply line temperature will change gradually in the outdoor temperature range of 0 C to 10 C maximum adjustment being reached at 5 C The diagram below shows an adjusted CURVE 5 The point of maximum adjustment is clearly visible As we have seen you can choose to adjust the heat curve at three specified out side air temperatures 5 C 0 C and 5 C The supply line temperature can be changed by plus minus 5 degrees lt CURVE 40 C 56 Change of the value for CURVE 5 If you wish to change a specific part of the heat curve Open the main menu INFORMATION by pressing the right or left hand button once You will find the cursor at the sub menu OPERATION Press the down button to move the cursor to the sub menu HEAT CURVE Open the selected menu by pressing the right hand button once You will find the cursor at the parameter CURVE Using the up or down button select either CURVE 5 CURVE 0 or CURVE 5 Open the selected curv
20. ST You need to choose the MAN TEST on the main menu INFORMATION And press the right button for 3 second The Sub Menu MAN TEST contains ADD1 ADD2 ADD3 HEAT PUMP 3 WAY 4 WAY WARM PUMP You can choose ON OFF to control the each part for testing Sub Menu DEFROST DEFROST How to enter the Sub Menu MAN TEST JOVE BE MANUAL DEF lt Press the right button Then DEFROST menu can be seen DEF TIME You can choose Intell Defrost or Manual Defrost INTERVAL INTELL DEF Auto defrost mode defrost time and defrost START TEMP interval will be set by system automatically MANUAL DEF Manual defrost mode defrost time and defrost SINCE TIME interval can be set by yourself BETW DEFR DEF TIME The range of the setting defrost time 2 20 min Default value 15 min INTERVAL The range of the setting defrost interval 25 70 min Default value 40 min START TEMP The range of the start temperature of defrost 8 15 c Default value 9 c SINCE TIME Show the last value of the defrost time Not adjustable BETW DEFR Show the last value of the defrost interval Not adjustable Adjustments to be made regularly Most settings will be made by the installation contractor in connection with installation Adjustments to be made regularly by the user are the following e Selection of operating mode Adjustment of desired room temperature by changing the ROOM value Adjustment of heat curve Adjustmen
21. adjustments that affect the room temperature For more information please refer to Adjustments to be made regularly on page 26 Table 1 Menu HEAT CURVE HEATCURVE CURVE MIN MAX CURVE 5 CURVE 0 CURVE 5 HEAT STOP NNA 0 C Ehe 0 C 0 C 0 C 0 C ZC Menu Text Description Adjustable by The value entered shows the temperature of the water to be User see Adjustment CURVE distributed to the radiators supply line temperature when the of CURVE value on p 27 outside air temperature is 0 C MIN Adjustment of value for lowest supply line temperature User see Adjustment of MIN allowed and MAX values on p 30 MAX Adjustment of value for highest supply line temperature User see Adjustment of MIN allowed and MAX values on p 30 CURVE 5 Adjustment of room temperature when the outside User see Adjustment of air temperature is 5 C CURVE value on p 27 CURVE 0 Adjustment of room temperature when the outside User see Adjustment of air temperature is 0 C CURVE value on p 27 CURVE 5 Adjustment of room temperature when the outside User see Adjustment of air temperature is 5 C CURVE value on p 27 Production of radiator heat is stopped when outside air HEAT STOP User if require temperature is equal to or higher than the value for heat stop entered Contr EE Menus Sub Menu TEMPERATURE This menu shows the different temperatures of the heating system All temperature
22. alve Based on data received from sensors itstarts or stops heat pump operation and determines whether heating or warm water shall be produced The system consists of Control computer with graphic display unit Temperature sensors outside air room supply line return line system System description ma Principle of heat pump A heat pump can exploit the energy contained in natural heat sources Or to put it differently the heat pump collects heat energy from the heat source This makes the heat pump a very environmentally friendly and economically sound alternative for space heating The Outdoor unit is used as the heat pump s evaporator Here the heat energy of the Outdoor Unit causes the refrigerant circulating through the evaporator to boil and turn into a gas it evaporates b The refrigerant having absorbed heat energy iscirculated tothe compressor where pressure and temperature are raised C The refrigerant continues to the condenser When condensing it releases heat energy to the heat carrier circulating through the condenser The temperature of the refrigerant sinks and it returns to its liquid state d The heat energy released is carried by the heating circuit to water heater and radiator or floor heating systems e Atlast the refrigerant is led through the expansion valve where its pressure is reduced and then continues to the evaporator The process is restarted The heat pump has two separate
23. and outdoor fan motor can Br e o o be force manual startup O O g o lt lt E lt lt o g AO 1 Control the compressor E 1 Fd AA M Control the water cycle pump A A O BA M Control the fan motor of outdoor unit O O M Connectto the Air break switch L 230V 50HZ Or Connectto the Air break switch R 3X400V 3 50HZ Initial state The initial state of the manual switch board are such buttons AO AA BA all of them are off see the picture When the machine is running normally the switch board must be in initial state O iU 6 E m m 5 2 2 d J BB O O NOTE The manual switch board is use only if the necessary for test or repair when the machine is running normally the switch board must be in initial state EU Dealing with malfunctions Draining heat medium side Close the shut off valves in heating medium system And then close the water tank drain valve 72 and open the drain valve 73 74 A small amount of water runs out however to fully empty the heating se Mts medium side requires the connector that joins the d IIUUUUUUUUUUUUMM heating medium side and the connection on the heat ine L Z2 en PN pinay pump VB flow to be loosened a little to allow air to enter so the remaining water can run out When the heating medium is empty the requisit
24. ards If the safety valve is not checked regularly the water heater might be damaged It is quite normal that the safety valve lets out small amounts of water when the water heater is being charged especially if a lot of warm water was used previously To check the safety valves give the cap a quarter of a turn clockwise until the valve lets out some water through the overflow pipe If a safety valve does not work properly it must be replaced Check with your installation contractor The opening pressure of the safety valve is not adjustable In the Event of Leakage In the event of leakage in the warm water lines between unit and water taps the shut off valve on the cold water inlet line should be closed immediately Call your installation contractor In the event of leakage in the system circuit turn off the heat pump and call your installation contractor immediately Contr ls Alarm Messages In the event of an alarm message try to re start the unit with the safety switch H this does not work try to solve the problem with the help of the table below Call your installation contractor if you need help Cause Action Not enough liquid in system Air in system Clogged strainer in system Call your installation contractor Not correctly opened radia tor floor coil thermostats Air in heating system Clogged strainer in heating system Open radiator or floor coil thermostats Fill and bleed
25. ce the AWA AWB series is not fitted with shut off valves these must be fitted outside of the heat pump to make future servicing easier During assembly the pipes for the heat medium and water heater and possibly hot water circulation are routed backwards The distance between AWA SS series and the wall ought to be 50 mm NOTE The pipe system needs to be flushed out before the heat pump is connected so that debris cannot damage component parts Copper pipe connections According to their practical situation users can choose the place on mainframe left or right for the out of connecting copper pipe The size of the outlet for connecting copper pipe can be adjusted by the fixing board Copper tuble size Modle AWA AWA AWA AWA AWA Size SS 6 SS 8 SS 10 SS 12 SS 16 G tube 472 5 8 5 8 3 4 3 4 Liquid uta 174 B g are 247 479 NOTE defrosting temperature sensor and outside temperature sensor should be connected to outdoor unit through the connecting outlet of mainframe and outdoor unit eA EB Pipe connections Pipe connections heating medium Pipe connections for the heat medium side are made at the top All required safety devices shut off valves as close to the heat pump as possible and particle filter supplied are fitted When connecting to a system with thermostats on all radiators a
26. d ALARM LOW PRESS ERROR Check the alarm indicator regularly to make sure that the heat pump works properly You would not always notice if there is something wrong as the auxiliary heater would start automatically provided of course operating mode AUTO was selected For more information please refer to the chapter ALARM MESSAGES on p 36 Checking the Water Level of the Heating System The pressure of the heating system should be checked once monthly The pressure shown on the external pressure gauge should be 1 1 5 bar If the value is below 0 8 bar with cold water in the heating system more water must be added applies to a closed expansion vessel To find out where the pressure gauge is located You can use ordinary tap water for filling the heating system In some rare cases the water quality would be unsuitable for this purpose corrosive or calcareous water In case of doubt we would recommend that you call your installation contractor AN y e i Don t use any water treatment additives for the heating system Regular Checks Checking the Safety Valves Both safety valves of the heating system should be checked at least four times a year to prevent lime deposits to clog the mechanism To find out where the safety valves are located The safety valve of the water heater protects the closed heater against positive pressure It is fitted on the cold water inlet line its outlet opening facing down w
27. e by pressing the right hand button once Raise or lower the value using respectively the up or down button To return to the main menu press the left hand button three times Contr EE Adjustments to be made regularly Adjustment of the MIN and MAX value The MIN and MAX value is the lowest respectively highest value that is allowed for the supply line temperature Adjusting the minimum and maximum supply line temperature is particularly important if your home has floor heating If your house has floor heating and parquet floor the supply line temperature should not be higher than 45 C Else the floor might get damaged If you have floor coils and stone tiles the MIN value should be 22 25 C in summer when no heating is required to obtain a comfortable floor temperature If there is a basement to your house the MIN value should be adjusted to a suitable temperature in summer too to avoid a humid and chilly basement In such cases the value for HEAT STOP needs being adjusted upwards If you wish to change the MIN or MAX value 1 Open the main menu INFORMATION by pressing the right or left hand button once You will find the cursor at the sub menu OPERATION 2 Press the down button to move the cursor to the sub menu HEAT CURVE 3 Open the selected menu by pressing the right hand button once You will find the cursor at the parameter CURVE 4 Press the down button to move the cursor to MIN 5 Open the sel
28. e made regularly Graph of recent changes in TEMPERATURE All temperatures registered during the last hour can be viewed in the sub menu TEMPERATURE in the shape of a graph This will enable you to monitor changes in the different system temperatures lt CURVE 40 C 56 40 There is a graph available for all temperatures except for the ROOM temperature where you can only view the setpoint value The integral value that is displayed represents the heating system s energy balance If you wish to check the TEMPERATURE graphs 1 Open the main menu INFORMATION by pressing the right or left hand button once You will find the cursor at the sub menu OPERATION 2 Press the down button to move the cursor to the sub menu TEMPERATURE 3 Open the menu by pressing the right hand button once 4 You will find the cursor at the parameter OUT 5 Press the down or up button to move the cursor to the desired temperature 6 Open the selected value by pressing the right hand button once A graph will be shown in the display 7 Move the cursor along the time axis using the up plus or the down minus button The exact temperature at the selected point of time appears at the top of the display 8 Press the left hand button three times to return to the main menu 35 Control Maximum Return Line Temperature The maximum return line temperature i e temperature of the water returning from the heating system should be
29. e service can be carried out Draining water tank First close the drain valve 73 74 And then open the drain valve 72 When the water tank is empty the requisite service can be carried out Draining the chassis The drain pipe for the chassis is already assembled in advance before leaving the factory The consumer is required to place the hose at appropriate location ER S IW If the operating disturbance cannot be rectified by means of the above an installation engineer should be called T P t E S amp e I c G O Q E le d O E S amp Q I c O G O Q z O
30. eating flow o d o Water tank inlet outlet od o Required ceiling height Volume water heater Volume spiral copper pipe Max pressure in storage heater Refrigerant quantity R407C Heating medium flow Max temp flow return circuit Cut out value pressostat HP Difference pressostat HP Cut out value pressostat LP Difference pressostat LP Enclosure class Compressor output only 6 8 6 45 1 58 8 6 2 05 4 05 2 0 6 6 3 0 230 V 50 Hz 24 24 7 1 9 0 25 25 151 With feet and connections dismantled the height is 1900 mm 10 10 5 2 55 8 3 3 65 12 16 12 6 3 05 15 8 3 8 10 1 4 30 11 2 4 8 3x400V 3 50Hz 30 8 9 7 5 151 28 58 28 58 3 4 1980 150 9 8 0 9 9 bar 0 25 2 5 bar 1 50 0 41 68 55 3015 7 0 5 1 5 IP 21 30 12 0 8 9 151 Refers to the brine flow temperature heat medium flow temperature in accordance with EN 255
31. ect the electric cable as per circuit diagram and bundle it with the connecting pipe 5 Take off the nuts in the mouths of high valve and low valve turn the valves core anticlockwise with hexagon panner till the valves are opened completely Recover and tighten the nuts 6 Check leakage check if there is leakage at each connection of the pipes or nuts If yes remedial neasure must be taken leakage is not permitted in any case Attention When connectiong the pipe a suitable pitching spanner must be used If other spanner is used it may damage the joint due to inappropriate force Onconnecting the pipe one should ensure that the insulating material of the pipe be closely fitted to the nuts at the joint Onconnecting to theexternal unit the pipeshould be wrapped withsponge padding to prevent rain water from flowingin When bending the pipe the radius cannot be too small and be about 150160 mm EB Pipe connections The step and diagram of collect refrigerant e ifthe outdoor unit needs to be disconnected and moved to another place please recycle the gas back into the compressor according to the following steps before doing the disconnecting 1 Start the machine operate heat pump on state 2 Remove the cap of two valves with the spanner Liquid valve Gas valve 3 Tighten the core of the liquid valve the smaller one with valve key at first After about 20
32. ected parameter by pressing the right hand button once The cursor is at MIN 6 Raise or lower the value using the up and down button respectively 7 Press the left hand button three times to return to the main menu Repeat the procedure to change the MAX value replacing MIN by MAX at step 4 Co Adjustments to be made regularly Adjustment of the HEAT STOP value The HEAT STOP function stops all production av radiator heat when the outside air temperature is equal to or higher than the value entered for heat stop When the heat stop function is activated the circulation pump will be turned off except when warm water is being produced Even if shut off the pump will be exercised during 1 minute a day Factory setting for heat stop is 17 C If you wish to change the HEAT STOP value 1 Open the main menu INFORMATION by pressing the right or left hand button once You will find the cursor at the sub menu OPERATION 2 Press the down button to move the cursor to the sub menu HEAT CURVE 3 Open the selected menu by pressing the right hand button once 4 You will find the cursor at the parameter CURVE 5 Press the down button to move the cursor to HEAT STOP 6 Open the selected parameter by pressing the right hand button once The cursor moves to HEAT STOP 7 Raise or lower the value using respectively the up or down button 8 Press the left hand button three times to return to the main menu Control EE Adjustments to b
33. force EJ Electrical connection Wiring of the terminal mode one Wiring of the terminal mode two Electrical connection 16 Connecting The Room Temperature Sensor Es RT 0 E Room temperature sensor Room temperature sensor RT Room temperature sensor Connecting The Outside Temperature Sensor OCT Outside air temperature sensor OUTP Defrost temperature sensor Outside air temperature sensor Outside air temperature sensor Ion jd Q em en OQ S ica Electr Layout of the PCB com NO C OUT1 OUT2 OUT3 Lili P PS CES 16 15 14 13 1 0UT9 omg OUT7 OUTE OUTS om N CON2 TRANSFORMER CON1 CON4 PCB CON5 11109 876543 LU Compressor interruptor Electric Heater interruptor CON3 C N n 12 11 10 9 8 7 6 5 4 3 2 1 Low Pressure High Pressure Pressure relief valve Compressor stoped protection Compressor Gas Outlet Temp
34. iption of the switch board 40 Dealing with malfunctions Draining heat medium side 41 Draining water tank 41 Draining the chassie pp 41 Component placement Component positions 1 42 Component positions 2 43 Component positions 230 V 50 HZ 44 Component positions 3 x 400 V 3 50 HZ 44 List of components List of components 45 Dimensions Dimensions and setting out coordinates 46 Dimensions of the AWA SS 8 outdoor unit 47 Dimensions of the AWA SS 10 outdoor unit 47 Dimensions of the AWA SS 12 outdoor unit 48 Dimensions of the AWA SS 16 outdoor unit 48 Accessories ACCOSSOTIBS SEEN 49 Enclosed Kit EE 49 Technical specifications Technical specifications 230 V 3 X 400 V 50 System description ES Principle of operation AWA SS series consists of a heat pump water heater The air emits its heat to the refrigerant in the evapo electrical module circulation pumps and a control sys rate of Outdoorunit It then vaporises and is com tem AWA SS series is connected to the Outdoor Unit pressed in the compressor The refrigerant the tem and heating medium circuits perature of which has now been raised is passed to The heat source of the AWA SS series is provided from the condenser where it gives off its energy to the heat air the Outdoor Un
35. isplayed The value 20 C will be used for ROOM SENSOR calculation of supply line setpoint temperature Heat pump compressor rotates in the wrong ERR PHASE SEQ direc tion Heat is produced by auxiliary heater only Temperature of water returned from radiators too high Heat pump operation is SM not allowed Not correctly opened radiator floor coil thermostats Make sure that all thermostats are completely open ET control Terminology and Abbreviations Evaporate INTEGRAL Compressor Condenser CURVE Refrigerant Refrigerant Radiator Control Heating circuit Heat curve In the evaporator energy from the heat source is absorbed by the refrigerant passing through the evaporator The refrigerant turns into gas See Heat Pump Principle on p 4 INTEGRAL is the heat balance of the heating system Production of heat is regulated acc to a calculated heat demand value This value is determined by comparing the actual supply line temperature with its calculated setpoint value The difference between the two values is multiplied by the time during which the difference is active The resulting value is referred to as the integral The integral value is automatically established when heat is being produced The value can be viewed in the sub menu TEMPERATURE The compressor raises temperature and pressure of the the refrigerant See Heat Pump Principle on p 4 In the condenser the
36. it of the system is a heat exchanger Ing medium circuit and if necessary to the water for collecting the heat of air heater After the condenser there is a built in electrical module which cuts in if there is a high demand Expansion A vessel Heating Heating CW return flow HW The heating medium side and the hot water side must be fit ted with the necessary safety equipment in accordance with the applicable regulations Three way valve Heating medium VB return Outdoor unit Heating medium VB flow Heating medium pump Electrical auxiliary heater Condenser mpr r f Compresso Expansion valve ESI System description Unit Description In order to get the best results from the climate system AWA SS series you should read through the section For the System manager in these Installation and Maintenance instructions AWA SS seriesis a climate system for heating houses and apartment buildings as well as industrial properties Air is used as the heat exchange source AWA SS series is acomplete heating installation forheating and hot water It is fitted with new design on the market to be developed specifically for heat pumps A new evaporator enables a new and improved circulation system for the refrigerant The heat pump has an integrated 150 or 200 litre water tank and an immersion heater The Tap Water Stratification system improves the efficiency of heat transfer by keeping the water in
37. m where noise may be a problem Any wall that backs on to a bedroom should be fitted with sound insulation Route pipes so they are not fixed to an inter nal wall that backs on to a bedroom or living room Copper pipe connecting 1 The maximun length of the connecting copper pipe between the mainframe and outdoor unit is 15 meters 2 There is no need to charge extra refrigerant into the copper pipe while its length is less than 5 meters 3 While the copper length is more than 5 meters copper pipe while its length is less than 5 meters every extra 10g refrigerant must be charged for per increased 1 meter length Current regulations require the heating installation to be inspected before it is commissioned The inspec tion must be carried out by a suitably qualified person and should be documented The above applies to closed heating systems If the heat pump is replaced the installation must be inspected again Pipe connections KS General Pipe installation must be carried out in accordance with current norms and directives The heat pump can operate up to a return temperature of about 58 C and an outgoing temperature of about 70 C from the heat pump The compressor produces up to 65 C the rest is obtained using additional heating The other heat pumps has a max return temperature of approximately 50 C and an outgoing max tempera ture from the heat pump of approximately 60 C Sin
38. m2 terminal connection Wiring diagram 230v 50 Hz Wiring diagram 3X400v 3 50 HZ Commissioning and adjusting Preparations Filing and venting the heating medium system InSpectlon ons naa Adjust the heat medium pump Readjusting heat medium side Emptying the water heater Control Main Menu Information eene Sub menu Operation Sub menu Heat Curve pp 25 Sub menu Temperature pp 26 Sub menu Integral 26 Sub menu Operating Time pp 27 Sub menu Reset pp 28 Sub menu Man Test pp 28 Sub menu DEFROST pp 28 Adjustments to be made regularly 28 Heat Generation General 28 Adjustment of the CURVE valve 29 Adjustment of ROOM Valve pp 30 Adjustment of Part of the Heat Curve 31 Adjustment the MIN and MAX valve 32 Adjustment of the HEAT STOP valve 33 Graph of recent change in TEMPERATURE 34 Maximum Return Line Temperature een 35 Warm water Production 35 Regular checksum icis 36 Check of the Operating Mode pp 36 Checking the Water Level of the Heating system 36 Checking the safety valves 37 In the event of leakage pp 37 SE NEE TE 38 Terminology and Abbreviations 39 Descr
39. mpressor in the heat pump is running in the wrong direction which means that heat is produced by the auxiliary heater only see Alarm on page 36 HIGH RETURN The temperature of the water returning from the radiators is too high so the heat pump will not be allowed to produce heat see Alarm on p 36 e START The heat pump is in the processs of starting There is a 30 second delay bet ween start of Brine sytem pump and compressor START MIN The heat pump will start in the number of minutes indicated in the display Contr EE Menus Main Menu INFORMATION To open the main menu INFORMATION press the right or left hand button once Return INFORMATION DEFROST Open gt OPERATION next HEATCURVE menu TEMPERATURE INTEGRAL OPER TIME RESET MAN TEST To select the desired sub menu use the up or down button Open the menu by pressing the right hand button once To return to the main menu press the left hand button once Sub Menu OPERATION OPERATION AUTO vA ROOMHEAT WARMWATER HEATPUMP ADD HEAT This menu is used for the selection of operating mode The control system allows for five different operating modes e OPERATION HEAT PUMP ON Heat pump compressor operation is allowed by the control system e OPERATION HEAT PUMP OFF Heat pump compressor operation is not allowed by the control system OPERATION ADD HEAT ON OFF The auxiliary heater will will not be allowed to opera
40. njeJeduje WOOY Wol4 gt Josues eJnjeJeduje JIV episino WO4 gt Josuas aunjyesadwa 1504J8Q u10JJ gt Josuas eJnjeJeduie 39 U J31BA UJOJ J gt Josuas aunjyesadwa 1 PANO Je3eM WO4 ul r4 S X 3 Ee S S E e gt E gt Sn pump two and electrical heater four should be connected to the 1 5mm terminal through the hole on the sound insulation board P The connectin cle and connect to outside with the copper pipes water C Electrical connection 18 Part of wiring diagram F7 EH4 3A F3 L6A Heater Z 4 E BLUE CO LEA Heater 2 Se F5 BLUE ll lt q 6A S F4 peter pue COMPRESSOR CONTACTOR Sr 5 2A CI E OFAN 4 Fl _ tt way valve In lt 4 E 4 way valve ea Water cycle 3A un eo lt T BLACK WCP2 4 BLUE V RED 8 Cm U WHITE 5 BLACK W o From Electrical heater 1 EH1 2 FromFuse 6 EH2 From Fuse 5 From Elec
41. relief valve must be fitted or some of the thermostats must be removed to ensure sufficient flow Pipe connections water heater The heat pump s water heater must be fitted with the necessary valve equipment The heat pump should be supplemented with an elec tric water heater if a bubble pool or other significant consumer of hot water is installed The valve coupling in COMPACT electrical water heater can be divided The mixing valve stays in COMPACT and the remain ing valve coupling can be used for incoming cold water in AWA SS series VENTING VALVE La HW CW Ya SAV NOTE The venting valve should be set on the top of the heating medium system Pipe connections How to connect the copper pipes Piping Connecton 1 Open the cover of the outdoor unit 2 Connect the pipe to the indoor unit and outdoor unit Wipe the quick connectors with clean cloth to prohibit dust and impurity entering the pipes Align the centre of the pipe and fully screw inthe angular nuts with Finger Internal unit pipe Spanner connecting pipe NS thick pipe y 3 end nut Connector Angularnut Spanner high pressure valve Pipe low pressure valve 3 Use Vacuum pump to remove the air from indoor unit and connection pipe 4 Conn
42. seconds tighten the core of the gas the bigger Se with valve key Turn off the machine at once and cut off the power supply A Valve key Valve key jaui Liquid valve Gas valve Liquid valve 20 seconds Gas valve 3 4 Tighten the cap of two valves Q9 Q Gas valve Liquid valve 5 Disconnect the power cable from outdoor unit 6 Loose the nut of the connect pipe to the outdoor unit valve with 2 spanner disconnect the connect pipe and the two valves Pipe connections 12 Pump capacity diagrams heating medium side AWA SS 6 AWA SS 8 AWA SS 10 AWA SS 12 Available pressure kPa Flow l s WILO RS 25 8 AWA SS 16 Available pressure kPa Flow l s WILO RL 25 7 5 13 Pipe connections How to adjust the rate of flow The pump is WILO RS 25 8 adjustable to adjust the flow 1 2 or 3 The pump is adjustable to adjust WILO RL 25 7 5 the flow 1 2 or 3 Electrical connection EN Connect the power cord ER NN Ma N A4 AN A 230V 50 HZ 3X400V 3 50 HZ NOTE Electrical installation and service must be carried out under the supervision of a qualified electrician in accordance with the stipulations in
43. t of maximum and minimum values for supply line temperature Adjustment of the value for HEAT STOP is possible Please refer to Adjustment of HEAT STOP value on p 31 Heat Generation General ET NNI Adjustments to be made regularly The indoor temperature should be adjusted by changing the heat curve of the installation The control computer determines the correcttemperature of the water to be distributed to theheating system based on the heat curve The heat curve will be adjusted in connection with installation It must be adapted later on however to obtain a pleasant indoor temperature under any weather condition A correct heat curve reduces maintenance and saves energy The heat curve determines the supply line temperature depending on the outside air temperature The lower the outside air temperature the higher the supply line temperature In other words the temperature of the water fed to the radiators will increase exponentially as the outside air temperature falls If you select CURVE in the sub menu named HEAT CURVE a diagram will be displayed It represents the relation of outside air temperature to supply line temperature This relation is referred to as heat curve Heat curve Supply line temperature Relation of outside air temperature to supply line tempe rature Outside air temperature Adjustment of the CURVE value The heat curve will be adjusted by the CURVE value This value indicates the supply
44. te Thisoperating mode is normally used when a new installation is being put into service before the Brine system is ready for use OPERATION AUTO Heat pump and auxiliary heater are regulated automatically by the control system The text OPERATION AUTO will be displayed on the control panel OPERATION ROOMHEAT The heat pump will be distributed to the heating system only The heat pump will not produce warm water The text OPERATION WARMWATER will be displayed on the control panel OPERATION WARMWATER The heat pump will only produce warm water no heat will be distributed to the heating system The text OPERATION WARMWATER will be displayed on the control panel 25 CH Menus e OPERATION OFF Heat pump is turned off The following text is displayed on the control panel OPERATION OFF If the heat pump will be put in OPERATION OFF mode during winter please remember to let out all the water the heating system to avoid any damage caused by freezing If you wish to change operating mode a Open the main menu INFORMATION by pressing the right hand button once You will find the sub menu named OPERATION b Open the OPERATION menu by pressing the right hand button once C Select the desired mode by pressing either the up or down button d Return to the main menu by pressing the up button until to the top and press left hand button twice Sub Menu HEAT CURVE This menu is used for making
45. trical heater 2 UN IO ee From 6mm2 terminal N EH3 FromFuse4 From Electrical heater 3 From Neutral line DN common terminal From Compressor W II wl FromAC contactor L1 From Compressor U uu IL From AC contactor L2 From Compressor V From AC contactor L3 From Compressor ll IIGNDIH From Ji CG Ea D IL 11 P SLIHM O1 E p it peog UMS D JOVI N T le m m E ya dv eov S e E El lt E E na o 69 E Lei 5 o a Q gt o 1 111 AERE K 2 E E KI S os s o a gc gt 4888383 ajajaja i Oo ae N M evo LULU LL L LtI DUDU due L3epno seo Jossaxiuo vm le la A02 CdOM ANA PIP anssaid 5 E gt lt a je WANAOA SNVAL 5 anssaid YH cd S ansad MO Ce S Z E S is np VE 2 d CH ee ZN09 TNOO Uogsnocl pediays Jossaid
46. uo Lei z fonten sen um Ds VINO sino 91no Lino S100 6110 Er Eh 8 Q O uk S SU TT Oo 4 J9 A l aseud SUIS 10 Sud BATRA An E Id XoV Id VG KI NVdO a SC n VI o Z NOSSHNNOO IBUIUUJ91 UOUUJOO ana Fd aay D ma uiemneN 6 19399H qg e TH Si Xvid 19780 v9 gt Yvia WOVE d JOVId VE HH 94 WOVTd gt e o ovi M So 5 s he BONS aum n Wo C a gt jo H HI an A O1 Z co vig N TT o va vv ov AN i Zen D A EI peog uas S 9 oF S s Pe So ES Oo 0 0 s 8 amp 8 3 8 42a m m m al d d 3 8 d d 497 cJ nam vw Li HHHHHHH au NISY eN00 RS e LELEO seD JOssacLuo Tonn EE anssaid jenssaqu6H jenssudwei JUO padas veau dou eue Spey Lousen eat OV Td YINAOA SNVAL Cd dmnd VE o d p Z 91049 1978 um vom SATBA KBM p 1100 zino gino Jh KOO NOD ON D J 5 A ox ox 4014 CORAN NA NN ES S o O S S pus jud S o LL
47. ur ro 9 The filling pump and the heating medium pump are now operational The fluid should circulate via the container with tap water until it emerges from the return hose without being mixed with air 10 Stop the filling pump and clean the particle filter 11 Start the filling pump open the valve between the service connections 12 Close the valve on the service connection s return line Now pressurise the system to max 3 bar with the filling pump 13 Close the valve AV2 on the service connection 14 Stop the filling pump 15 Close the heating medium pump 16 Select the auto operating mode using the operating mode button AVT Draining SF Particle filter SAV Safety valve HW Hot water CW Cold water Outdoor unit Commissioning and adjusting 22 Inspection Adjust heat medium pump Readjusting heat medium side Check the flow temperature and the return temperature on the control panel The difference between these two temperatures with floating condensing should be 5 10 C when the house is being heated without additional heat Adjust the flow with the knob on the heating medium pump 16 A high difference could depend on a low heat medium flow A low difference indicates a high heat medium flow The pump is adjustable to adjust heat medium flow NOTE The compressor must not be forced to start with periods shorter that 1 start per 15 minutes
Download Pdf Manuals
Related Search