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Installation, maintenance and user manual

1. 4 lt NC x Please Note The picture for reference only o NOD Q gt E G GQ GO GO GO GQ NN N DN S DS N DWD n O DAN O Q ARON O O Q Q O 000 10 Q N O Top board Right side board Left side board Right pillar Left pillar Front panel Signal connection port Collector brine out Collector brine in Stainless steel adjustable feet Control panel Control panel Box Connecting wire of control panel Front board Chassis Sound insulation board Connection heating return 28 mm Level vessel connection 1 inch Connection heating flow 28 mm Cold water inlet Hot water outlet Power cord connection hole Temperature sensor connection hole Room temperature Sensor connection Outside air temperature sensor connection Water tank Wire groove Temperature sensor Water Tank Three way valve for waterflow Automatic vent valve Electrical Auxiliary heater Brine pump cooling medium pump Fixing Board For Evaporator Water Flow Switch Evaporator Condenser Heating medium pump Expansion valve Fixing Board For Condender Drying filter Accumulator H
2. Please Note The picture for reference only Component placement EA AGHB 120WPDC3 for example Please Note The picture for reference only jd Q lt o em 3X380 V 3 50 HZ
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4. 38 Alarm Messages voe a ati cet a a ii 39 Terminology and Abbreviations 48 Description of the switch board 49 Dealing with malfunctions Draining heat medium side 50 Draining water tank 50 Draining the 5 5 50 Component placement Component positions 1 51 Component positions 2 52 Component positions 3 53 List of components List of compone MS Uu Lu uu L u S S 54 Dimensions Dimensions and setting out coordinates 55 Accessories ACCOSSONES sie isa unita a a aa ian n Fue a d 56 Enclosed Kiti uuu un aa aa aa ca daia ara atatia 56 Technical specifications Technical specifications 3 X 380 V 57 System description EI Principle of operation AGHB WPDCS series consists of a heat pump water heater electrical module circulation pumps and a co ntrol system AGHB WPDCS series is connected to the collector and heating medium circuits The heat from the heat source rock soil lake is taken up via a closed collector system in which a mixture of water and antifreeze circulates Groundwater can also be used as a heat source but this requ
5. 3 3 4 4 4 4 5 5 5 6 6 6 7 7 8 8 8 9 9 B 25 50 3950K 3 R 90 C 5KQ 3 Sensors resistance table 2 water ambient pipe sensor resistance Unit C KQ Cwater ambient pipe sensor EMEN AD De T AD 115 266 16 12 6431 2 35774 197 100 0 62973 236 Ls 108146 17 120561 22780 198 227 as 101 517 18 22 115 105 62 219073 200 102 0 59386 237 89 5865 21 24 104736 110 2 03732 203 104 056038 238 14 79311 23 26 955074 116 66 1 89627 206 106 0 52912 239 70 1698 26 28 8 71983 122 1 76647 209 108 0 49989 20 n 66 0898 27 29 833566 125 69 170547 210 109 0 486 20 9 58 7079 30 s 762411 131 1 59068 212 0 45957 241 s 563604 31 32 729464 133 72 1 53668 214 112 044699 241 493161 35 34 668355 139 74 1 43498 216 042304 242 4 44 39 36 613059 144 76 134105 218 16 0 4006 22 35 2024 47 40 517519 155 so 1 17393 222 120 035982 244 4 283459 56 44 438736 165 1 03069 226 124 0 3239 245 6 254954 61 46 404589 169 86 0 96681 227 126 0 30754 245
6. BK JK AVT Draining SF Particle filter SAV Safety valve BK Rock collector CW Cold water Soil collector NK Level vessel HW Hot water figure Internal air vent valve brine Close the valve between the service connections Open the valves on the service connections AV1 AV2 Pushing the white manual lever down to bottom this has already been done when the machine leaves factory then three way valve s water tank port is closed the B port room heat port is open the A port Start the filling pump and fill until there is fluid in the return pipe Open up Power ON from control panel to start machine then heat medium water pump is running the valve will return to the up position when power is restored in this position both the A and B ports are open The filling pump and the heating medium pump are now operational The fluid should circulate via Firmly pushing the white manual lever down to midway and in 30 Commissioning and adjusting Inspection Adjust the brine and the heating medium pump 1 Read the brine temperatures on the panel The dif ference between these two temperatures should be 2 5 C when the system has come into bal ance Adjust th
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8. Power On Off One button pointing upwards marked with a up arrow One button pointing downwards marked with a down arrow One button pointing to the right marked with a right arrow One button pointing to the left marked with a left arrow One button pointing to the ON OFF Explanation Control Panel The control panel of AGHB WPDC3 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 The running speed ROOM 20 Ei percentage of compressor MONDAY 11 30 N OPER WARMWATER O 7 Us cse 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 control panel There is a main menu and several 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 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
9. 22 Sub menu Temperature 23 Sub menu Integral esee 23 Degree Minute s DM instruction 24 Sub menu Time Setting 27 Sub menu SETTING 28 Sub menu Operating Time 29 Sub menu Reset detenti dla aas 30 Sub menu Man TeSt 30 Sub menu Alarm Record 30 Sub menu LANGUANGQ 31 Adjustments to be made regularly 31 Heat Generation General 31 Adjustment of the CURVE valve 31 Adjustment of ROOM valve 32 Adjustment of Part of the Heat Curve 34 Adjustment the MIN and MAX valve 35 Graph of recent change in TEMPERATURE 36 Maximum Return Line Temperature 37 Warm water 37 Regular checks n senzatia e tee 37 Check of the Operating 37 Checking the brine Level of the brine system 38 Checking the Water Level of the Heating system 38 Checking the safety valves 38 In the event of leakage
10. 5 Adjustment of room temperature when the outside air temperature is 5 C used see Adjustment of CURVE value on P25 CURVE ROOM The translation of heat curve origin change Room value also can change Curve valve in this way the Curve s slope is not change if change the Curve directly its slope will change to change every Room value the translation of Curve is1 C used see Adjustment of CURVE value on p23 LIEN Menus Sub Menu TEMPERATURE This menu shows the different temperatures of the heating system All temperature changes registered over the last 60 minutes are stored in the control system and can be viewed in the shape of graphs lt TEMPERATURE A CMPDIF TEMP ROOM 22 27 C EVAP IN WARMWT 45 53 C EVAP OUT FEED 30 65 RETURN 30 BR IN 30 8 V BR OUT 32 OUT Display outdoor ambient temperature WARMWT water tank temperature the first value is water tank real temperature the second value in is water tank setting temperature the setting temperature is adjustable from 20 C to 62 C factory setting is 45 C compressor restart must follow the program CMPDIF TEMP ROOM Display room air temperature RETURN Display real return water temperature FEED 1 the first value is real feed water temperature the second value in is feed water setting temperature in ROOMHEAT MODE it is adjusted by slope of Curve according to outdoor a
11. s 225662 67 3 73476 174 0 90753 229 128 029216 246 9 218094 68 49 3 58962 176 0 8795 229 129 0 28482 246 10 207184 71 so 345097 178 90 0 85248 230 130 02777 246 14 16 9341 82 54 2 95896 186 94 0 75373 233 134 025125 247 16 153418 87 56 2 73823 190 96 0 70944 234 136 023916 247 17 14 6181 90 57 2 63682 192 97 0 68844 234 137 023338 247 _ 13918 93 58 2 53973 193 98 0 66818 235 138 022776 247 19 132631 96 59 244677 195 99 0 64862 236 139 022231 248 sm Terminology and Abbreviations Evaporate INTEGRAL Compressor Condenser CURVE 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 resul ting value is referred to as the integral The integral value is automatically established
12. 11 Electrical connections Connect the power cord 12 Wiring of the terminal mode one 13 Wiring of the terminal mode two 13 Connecting the room temperature sensor 14 Connecting the outside temperature sensor 14 Layout of the 15 1 5mm2 terminal connection 15 Part of wiring diagram 16 2 5mm2 terminal connection 16 Wiring diagram 230V 3X380v 50 Hz 17 Commissioning and adjusting Preparations errori ree ua at dan acd daa 18 Filling and venting the collector system 18 Filling and venting the heating medium system 18 Internal air vent valve brine 18 Inspection BED 19 Adjust the brine and heat medium pump 19 Readjusting heat medium side 19 Readjusting collector side 19 Emptying the water heater 19 Control General Information 20 Menus a 20 Main Menu Information 20 Sub menu 21 Sub menu Heat
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14. C 0 C 5 C This function will allow you to increase or reduce the feed line temperature without affecting the heat curve at three specific outdoor temperatures If for example the outside temperature is 5 C the feed 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 feed line temperature can be changed by plus minus 3 degrees CURVE 34 C CURVE 43 C S KAGUS 0 waa When outdoor ambient temperature is 5 C this setting is available to change the feed water temperature it is adjustable by operator heat curve is not change the slope is no change but the point near 5 C from O C to 10 C curve can be change step by step the variable is the biggest at 5 C itis When outdoor ambient temperature is 0 C this setting is available to change he feed water temperature it is adjustable by operator heat curve is not change the slope is not change but the point near 0 C from 5 C to 5 C curve can be change step by step the variable is the biggest at 0 C itis When outdoor ambient temperature is 5 C this setting is available to change he feed water temperature it is adjustable by op
15. and main circuit board the wire must be less than 20 meters the terminals must be water proof 3 If the connection is fine then the cause could be the transition circuit board or main circuit board please check their lights The cause of alarm MODULE VOLTAGE OVER could be 1 Water flow was not enough 2 One of the sensors got problem 3 Ambient temperature was too high How to do 1 Check if the water flow was not enough 2 Check all the sensors if they are normal Contr 2 Alarm Messages The cause of alarm CMP TOP OVER could be 1 Water flow was not enough 2 Refrigerant was not enough 3 Ambient temperature was too high How to do 1 Check if the water flow was not enough so that the heat exchange efficiency was not good 2 Check the refrigerant quantity and make sure the system has not any leak The cause of alarm ADD OVER OR WATER FLOW TROUBLE could be 1 Water flow is not enough 2 The connection of brine water flow switch was loose or brine water flow switch was broken 3 There some air inside the water system so that the heat exchange area was not enough 4 The thermostat switch of the electrical heater was broken How to do 1 Always ensure enough water flow otherwise the brine flow switch can not open 2 Check the wire connection of brine water flow switch was normal or not or replace a water flow switch 3 Before install the system please vent the air ou
16. circuit board MAIN MODULE COMMUNICATE The communications error between main circuit board and module OUTDOOR TEMP Outdoor ambient temperature sensor error MODULE VOLTAGE OVER Outdoor module voltage over low error IPM MODULE IPM module error CMP TOP OVER Compressor top temperature over CMP TEMP Compressor exhausts temperature sensor error RETURN TEMP Return water temperature sensor error WARM WATER TEMP Water tank temperature sensor error FEEDLINE TEMP Feed water temperature sensor error ADD HEAT OVER OR FLOW TROUBLE Water flow error or electrical heater HIGH PRESS Pressure over high LOW PRESS Pressure over low ROOM TEMP Room air temperature sensor error WARM WATER TEMP TOO LOW The water tank temperature is too low BRING IN TEMP The brine water inlet temperature sensor error BRING OUT TEMP The brine water outlet temperature sensor error Alarm Messages The cause of alarm MODULE could 1 The communications between Module and outdoor main circuit board is jamming 2 Module is jamming and can not detect current or compressor 3 Module can not start compressor 4 Module s rated 15VDC voltage is not steady 5 Module s current overload How to do 1 Please check if all terminals connections among circuit boards were good whether some of the wire damaged 2 Please check if the compressor wire connection loose on the top of compressor 3 Please measu
17. exit Ea E ddBB Z 3 gt n 20 ss Menus ADD START 10 to 65 degree adjustable factory setting is 40 degree Electrical heater start water temperature it is adjustable from 10 65 C factory setting is 40 C this means when compressor heat the water temperature over 40 C then allow the electrical heater to start this setting is for energy saving and water tank heating WWARMWATER only ADD DELAY 3 to 10Min adjustable factory setting is 10M Time delay of electrical heater starting from 3 to 30 minutes adjustable factory setting is 10 minutes For example since compressor has been running 15 minutes when 10 minutes factory setting later the return water temperature remain or decrease the electrical heater will start automatically ADDDIF TEMP Additional electrical heater restart determined by water temperature degeneration it is adjustable from 1 to 10 degree factory setting is 4 degree the electrical heater will stop when the water get to setting temperature then restarts as soon as the water temperature decrease 4 degree factory setting OUTADD HEAT ON OFF To control outdoor unit electrical heater bottom electrical heater evaporator heater factory setting is ON the heater will start when ambient temperature is less than 0 C and stop when ambient temperature is more than 2 C When the outdoor electrical heater is select OFF the outdoor heater can not sta
18. frequency will unchangeable until get to minimum integral 3 Room air constant temperature When AT is increasing the frequency increase 1 to run AT will unchangeable until frequency is get to maximum b When AT is decreasing the frequency is decrease 1 to run If the present frequency is F1 the frequency is unchangeable even if AT decrease Menus Sub Menu TIMESETTING How to enter the Sub Menu TIMESETTING You need to choose the TIMESETTING on the main menu INFORMATION Press the right button Then TIMESETTING menu can be seen TIME SETTING ROOM TIME 2 ON WARMWATER20N 14 25 15 00 DATE 2010 10 40 ROOM TIME 2 OFF BEI Ai Ari Mt WARMWATER 2 OFF ES Y TIME 15 04 ROOM TIME 1 ON WARMWATER 1 ON ADD TIME ON 8 00 10 00 00 00 1 WARMWATER 1 ADD TIME OFF 11 00 12 00 00 00 TIMESETTING use button Up and down to select each item DATE DAY TIME To display year month date TO display day of week To display time or adjust time ROOM TIME 1 ON When you choose the symbol the Auto start function of Room heating is active Select 0 cancel this function If this function is active the heat pump will start heating room at the time of your choosing ROOM TIME 1 OFF When you choose the symbol the Auto stop function of Room heating is active Select to cancel this function If this function is active the heat pump will stop
19. heating room at the time of your choosing ROOM TIME 2 ON The second timer for Room heating function the same with ROOM TIME 1 ON ROOM TIME 2 OFF The second timer for Room heating function the same with ROOM TIME 1 OFF WARMWATER TIME 1 ON When you choose the symbol the Auto start function of water tank heating is active Select cancel this function If this function is active the heat pump will start heating water tank at the time of your choosing WARMWATER TIME 1 OFF When you choose the symbol the Auto stop function of water tank heating is active Select cancel this function If this function is active the heat pump will stop heating water tank at the time of your choosing WARMWATER TIME 2 ON The second timer for water tank heating function the same with WARMWATER TIME 1 ON WARMWATER TIME 2 OFF The second timer for water tank heating function the same with WARMWATER TIME 1 OFF More information for above timers After you set any of the above timers so called timer mode under timer mode the heat pump will only runs the heating mode according to the timer which already be set for example to set the WARMWATER heating timer only the heat pump will only do the water tank heating if you need hot water and room heating please set ROOM timer and WARMWATER timer at the same time Hee ills ON and OFF be set at the same number such as ON 8 00 OFF 8 00 the timer function will be no effective ADD TIME ON When you
20. if you wish to increase or reduce a preset value Symbols For you to 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 If the symbol is empty capacity step warm water temperature is under the setting temperature If the symbol is full warm water temperature reached to the setting temperature There is a room heating demand When this symbol appears the heat pump When this symbol appears the HDO is not running due to external signal stop it CSP compressor was not running due to heat pump will restore running as soon as high pressure of refrigerant system signal input again the compressor will be stopped as soon as water temperature over 50 C and refrigerant system pressure over 4 0MPA electrical heater will start as supplementary compressor will restores as soon as water temperature less than 50 C and refrigerant pressure get right NOTICE During heat pump running if the water tank symbol twinkles once in every second it means water tank temperature is too low and it is in antifreezing protection At the time warm water heating will forcibly start until water temperature get to 20 C then go
21. is the minimum setting of feed water temperature it is adjustable by operator from10 to 30 factory setting is 22 C if the room s floor use ceramic tile then the setting of MIN can not less than 22 C this value can get a comfortable floor temperature the heat pump will restart as soon as actual feed water temperature less than MIN setting MAX is the maximum setting of feed water temperature it is adjustable by operator from 30 to 70 C and factory setting is 70 C if heat pump is using for floor heating this setting is very important because at the time the feed water temperature can not higher than 70 C otherwise could be dangerous the heat pump will stop as soon as actual feed water temperature more than MAX setting 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 selected parameter by pressing the right hand button once
22. more than one collector they must be connected in parallel with a means of adjusting the flow For surface soil heat the hose should be buried at a depth of about 1 metre and the distance between the hoses should be at least 1 metres For several bore holes the distance between the holes must be at least 15m 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 Notice 1 in line filter on the return line 2 To clean system with a power flush before installing the heat pump and fill with clean water 3 To use flow gauge to get the correct flow for each unit Pipe connections EN 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 and an outgoing max tempera ture from the heat pump of approximately 60 C Since the AGHB WPDC3 series is not fitted with shut off valves these must be fitted outside of the heat p
23. parameter OUT Press the down or up button to move the cursor to the desired temperature Open the selected value by pressing the right hand button once A graph will be shown in the display 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 NO o Maximum Return Line Temperature The maximum return line temperature i e temperature of the water returning from the heating system should be 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 rig
24. right hand button once You will find the cursor at the sub menu named OPERATION b Open the OPERATION menu by pressing the right hand button once You will find the cursor at the previously selected operating mode c Select the desired mode by pressing either the up or down button Return to the main menu by pressing the left hand button twice Sub Menu HEAT CURVE This menu is used for making adjustments that affect the room temperature For more information please refer to Adjustments to be made regularly on page 22 lt HEATCURVE CURVE 40 C MIN 22 C MAX 70 C 0 C 0 C 0 C CURVE CURVE CURVE Y CURVE Menu Text Description Adjustable by CURVE The value entered shows the temperature of the water to be distributed to the radiators feed water temperature when the outside air temperature is 0 C used see Adjustment of CURVE value on p22 MIN Adjustment of value for lowest feed water temperature allowed used see Adjustment of MIN amp MAX value on p26 MAX Adjustment of value for highest feed water temperature allowed used see Adjustment of MIN amp MAX value on p26 CURVE 5 Adjustment of room temperature when the outside air temperature is 5 C used see Adjustment of CURVE value on p25 CURVE 0 Adjustment of room temperature when the outside air temperature is 0 C used see Adjustment of CURVE value on p25 CURVE
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26. under ROOMHEAT 1 and ROOM HEAT 2 if the setting temperature reach and the compressor stop the water pumps for heating will runs 3 minutes to detect the water temperature if no need to keep running the water pump will stop 10 minutes then runs 3 minutes again to see if need to restart compressor and keep water pump running 3 15 means that under ROOMHEAT 1 and ROOM HEAT 2 if the setting temperature reach and the compressor stop the water pumps for heating will runs 3 minutes to detect the water temperature if no need to keep running the water pump will stop 15 minutes then runs 3 minutes again to see if need to restart compressor and keep water pump running 3 20 means that under ROOMHEAT 1 and ROOM HEAT 2 if the setting temperature reach and the compressor stop the water pumps for heating will runs 3 minutes to detect the water temperature if no need to keep running the water pump will stop 20 minutes then runs 3 minutes again to see if need to restart compressor and keep water pump running Sub Menu OPERATING TIME OPERATION TIME HEATPUMP ADD 1 Menu Text Description Adjustable by HEATPUMP Total operating hours of heat pump since installation t Operating time will not be reset to zero ADD Total operating hours of auxiliary heater 1 3kW since installation Operating time will can not not be reset to zero ADD2 Total operating hours of auxiliary h
27. 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 Inthe condenser the refrigerant releases its heat energy to the heating circuit 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 evaporation compression and circuit condensation absorbs heat energy from the sytem circuit and releases it to the Heating circuit 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 iav 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 49 Description of the switch board Functi
28. Alpic INSTALLATION AND MAINTENANCE INSTRUCTIONS DC INVERTER GROUND SOURCE HEAT PUMP A MODEL AGHB 70WPDC3 AGHB 120WPDC3 AGHB 150WPDC3 380V 3 50H2 Please read this operating manual before using the Heat Ot Pes AT Th gt m a N Kuwa System description Principle of operation 3 Unit Description 3 Principle of heatpump 4 Control panel 5 Explanation rere temet eee 5 ne on sa 6 doo M 6 General information for the installer Transport and storage 7 instalation 7 Guideline values for collectors 7 Inspection of the installation 7 Pipe connections General zis 8 Copper Pipe connections 8 Pipe connection heating medium 9 Pipe connections water heater 9 Pump capacity diagrams heating medium side 10 How to adjust the rate of flow 10 Pump capacity diagrams collector side
29. GH dM Preparations Before starting up the system check that the heating collector and hot water circuits are full and thoroughly vented Check the pipe system for leakage Filling and venting the collector system 10 11 When filling the brine system mix the water with 12 antifreeze in an open container The mixture should be protected against freezing down to about 15 C 13 The brine is filled by connecting a filling pump 1 Check the brine system for leakage 2 Connect the filling pump and return line on the brine s system s service connections as shown in 14 figure 15 3 Close the valve under the level vessel 16 4 Close the valve between the service connections 5 Openthe valves on the service connections 6 Start the filling pump and fill until there is fluid in the return pipe 7 Press the pawor ON botton on the control panel and start the heating medium pump 8 The filling pump and the heat pump s brine pump are now operational The fluid should circulate via the mixing container until it emerges from the return hose without being mixed with air 9 Stop the filling pump and clean the particle filter 10 Start the filling pump open the valve between the service connections 11 Close the valve on the service connection s return line Now pressurise the
30. R is OFF at the display C WARMEATER water tank heating only switch boards must keep the position as drawing then allow heat pump to heat water tank the feed water temperature is fixed with 70 C before using this mode it must set and ensure the OPER is OFF at the display Draining heat medium side Close the shut off valves in heating medium system And then close the water tank drain valve 79 and open the drain valve 80 A small amount of water runs out however to fully empty the heating medium side requires the connector that joins the heating medium side and the connection on the heat 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 requisite service can be carried out Draining water tank First close the drain valve 80 And then open the drain valve 79 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 Dealing with malfunctions EI m ay IM If the operating disturbance cannot be rectified by means of the above an installation engineer should be called Component placement 4 pes im Z NW N
31. 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 Adjustments to be made regularly 5 Press the down button to move the cursor to HIGH T STOP or LOW T STOP 6 Open the selected parameter by pressing the right hand button once The cursor moves to HIGH T STOP or LOW T 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 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 FEEDLINE 48 C There is a graph available for all temperatures except for the OUT ROOM temperature where you can only view the measured 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 Press the down button to move the cursor to the sub menu TEMPERATURE Open the menu by pressing the right hand button once You will find the cursor at the
32. 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 Q c n d o LLI Connect the power cord 380V 3 50 HZ EE Electrical connection Wiring of the terminal mode one Wiring of the terminal mode two Electrical connection Connecting The Room Temperature Sensor Room temperature sensor Room temperature sensor RT Room temperature sensor Connecting The Outside Temperature Sensor Outside air temperature sensor Outside air temperature sensor OCT Outside air temperature sensor judi O pus jud LLI 1 5mm2 terminal connection u31V3H 3 pJeog YMS ik wos T ena NI N 2 28098 023 19 eut UOLUUUOD UJOJ ul LND Zaddwols SC WF 9NO Z82dUJOJ w 19 UOLUUUOD WOJJ ul w LND 2834 lt NI N 2 0 28098 4014 SALA AEM E E TV 103201000 DV 82d NIVW 014 STND 82d UJ044 lt EZN2 82d NIVW UJ044 lt 82d 014
33. 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 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 Feed 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 DC BWA SS series consists of five main components a Heat Pump Unit Rotary or Scroll compressor Stainless steel heat exchangers Circulation pumps for Brine system 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 el
34. and then power supply cut off the lock will be open after power supply resume Main Menu INFORMATION To open the main menu INFORMATION press the right or left hand button once Return lt ERE SN 4 RESET Open OPERATION MAN TEST riext HEATCURVE s _ALARM RECORD INTEGRAL TIMESETTING SETTING OPER TIME 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 OPERATION Running mode Water tank heating Room heating Room heating 1 Room heating 2 Auto HEATCRVE The setting of this submenu will affect the room temperature CURVE is program that adjusts feed water temperature according outdoor ambient temperature factory setting is ambient temperature 0 C as feed water temperature 40 C that is CURVE 40 the value of CURVE is adjustable from 22 C to 56 C How to change the slope two points decide one beeline point one is 0 40 the other point could be 18 24 the point 18 24 is not changing when changing the slope because factory setting is that heat pump stops when outdoor ambient temperature is 18 C so the feed water temperature should be 24 C TEMPERATURE Temperature items setting EONO ______ Menus INTEGRAL Integral is a program to set the startup time and distance between compressor and electrical heater to set stop conditions of comp
35. back to previous running mode General information for the installer Transport and storage Inspection of the installation The AGHB WPDC3 series must be transported and s tored upright and dry The AGHB WPDC3 series may however be carefully laid on its back when being moved into a building Installation AGHB WPDC3 series is placed on a firm base preferab ly a concrete floor or foundation Install AGHB WPDC3 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 room 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 internal wall that backs on to a bedroom or living room Guideline values for collectors Surface soil heat recommended collector length Rock heat recom mended active drilling depth 325 2x250 m 120 140 m 400 2x300 m 2x250 2x350 m 2x250 2x350 m 140 170m 160 190m 180 210m For use with 40 x 2 4 PN 6 3 PEM hose The length of the collector hose varies depending on the rock soil conditions and on the heating sys tem i e radiators or floor heating Max length per collector should not exceed 400 m Where there is
36. brine level vary a bit depending on the temperature of the heat source Under no circumstances however shall level be allowed to sink so much that it is no longer visible in the expansion vessel installation contractor for refilling of Brine system liquid 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 A d S Don t use any water treatment additives for the heating system 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 wards If the safety valve is not checked regularly the water heater might be damaged It is quite normal that the safety valve lets o
37. choose the symbol the Auto start function of Supplementary electrical heater is active Select cancel this function If this function is active the heat pump will start heating by Supplementary electrical heater at the time of your choosing CW wi 28 Menus Sub Menu SETTING lt SETTING WATER PUMP EMERGENCY 1 OFF EMERGENCY 2 OFF HDO ADD ENFORCE STERILAZE ADD START 40 ADD DELAY 30M ADD DIF TEMP 4 EMERGENCY1 ON or OFF Emergency mode 1 emergency 1 ON or OFF factory setting is OFF after select emergency mode the unit will continuously execute the same objective room heating only water tank heating only or auto When select ON compressor will be switch off only electrical heater water pump or other temperature protection are available When in water tank heating the electrical heater will instead of compressor when in room heating mode the electrical heater will runs depends on Integral when in room heating mode 1 the electrical heater will runs depends on Integral when in room heating mode 2 the electrical heater automatically starts unless operator off the electrical heater EMERGENCY2 ON or OFF EMERGENCY 2 EMERGENCY 2 OFF CMP STOP 25 C Emergency mode 2 emergency 2 CON or OFF factory setting is OFF after select emergency mode the unit will continuously execute the same objective room heating only water tank heating only or auto When s
38. e flow with the knob on the brine pump 32 A high difference indicates a low brine flow A low difference indicates a high brine flow The pump is adjustable to adjust brine flow 2 Check the flow temperature and the return return temperature on the 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 87 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 Readjusting heat medium side 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 Readjusting collector side Check the fluid level in the level vessel 85 If the lev el has dropped close the valve under the vessel You can then fill through the connection at the top of the vessel After filling open the valve again To raise the pressure close the valve on the incoming main pipe when the brine pump KBP is running and the le
39. eater 6kW since installation Operating time will can not will not be reset to zero ADD3 Total operating hours of auxiliary heater 9kW since installation Operating time will can not will not be reset to zero Sub Menu RESET Reset to factory setting value Sub Menu MAN TEST How to enter the Sub Menu MAN TEST You need to choose the MAN TEST on the main menu INFORMATION And press the right button for 3 second lt MAN TEST ADD 1 OFF ADD 2 OFF ADD 3 OFF 3 WAY 4 WAY WARM PUMP BRINE PUMP Man test for installation On sub menu OPERATION MAN TEST ADD1 2 3 ON or OFF ADD1 2 3 electrical heater 1 2 3 3 WAY ON or OFF 3 WAY VALVE 4 WAY ON or OFF 4 WAY VALVE WARM PUMP or OFF WATER PUMP BRINE PUMP ONor OFF BRINE PUMP CMP ON or OFF COMPRESSOR CMP B ON or OFF COMPRESSOR B invalid P S the compressor only runs 5 minutes for testing at that time its frequency is 45Hz This menu is for installation engineer user operation is prohibitive The testing function will dissolve as soon as the menu is off the interface Sub Menu ALARM RECORD To record 8 alarm histories recently the newest alarm message will be seen in the first line Press the right button to check alarm history Adjustments to be made regularly Sub Menu LANGUAGE lt LANGUANG Language selection How to enter the Sub Menu of LANGUAGE ENGLISH JS You need to choose the LANGUAGE o
40. ectric heating element Three step capacity control Fitted on Feed 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 valve Based on data received from sensors itstarts orstops 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 Feed line return line and Brine system System description EB 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 a hose filled with liquid Brine system is immersed into a lake dug into the ground or sunk into the rock The Brine sytem absorbs the heat energy of the heat source so that the temperature of the water circulating in the hose is raised a few degrees b The Brine systemiscirculated to the heat pump s evaporator Here the heat energy of the Brine system causes the refrigerant circulating through the evaporator to boil and turn into a gas it evaporates c The refr
41. elect this mode compressor will stop determined by outdoor ambient temperature the temperature setting is from O to 50 degree adjustable factory setting is 25 degree only electrical heater water pump or other temperature protection are available When in water tank heating the electrical heater will instead of compressor when in room heating mode the electrical heater will runs depends on Integral when in room heating mode 1 the electrical heater will runs depends on Integral when in room heating mode 2 the electrical heater automatically starts unless operator off the electrical heater STERILIZE Sterilize water temperature 60 C 90 C adjustable default is 60 C Sterilize duration 10 90minutes default 1510 minutes Sterilize period 7 99days defaultis 15 days Time default is 10 00 14 00 STERTLIZE TIME WATER TEMP 60 10 00 14 00 M DURATION 10 M 14 00 18 00 PERIOD 15 D 18 00 22 00 TIME 22 00 02 00 02 00 06 00 06 00 10 00 NOTE The sterilize action only will be actives during the select time period of the day If the water tank s temperature always less than 60 C default and last 360 hours period the heat pump will start the sterilize function the electrical heater start as soon as water get to 50 C until water temperature get to 60 C default and last 10 minutes default or if hours later the water temperature still can not reach 60 C the sterilize function will
42. ensions and setting out coordinates 1800 30 50 pe HH T 134 100 g 78 90 270 455 710 Accessories Enclosed kit Technical specifications Technical specifications 3 x 380 V C Refrigerant R410A Model AGHB 70WPDC3 AGHB 90WPDC3 AGHB 120WPDC3 AGHB 150WPDC3 380V 3 50Hz 380V 3 50Hz 380V 3 50Hz 380V 3 50Hz Huh mmy S oz t5 5 _ teen re sx Ww w m a CEEX SE a pu m mw m _ EI
43. er the ADD 3 will be start up And the value testing under the value setting the ADD3 will be closed Degree Minute s DM instruction Degree Minute The corresponding value of temperature difference between the Feed water and the Desired water X Running time through integral to change every minute for a cumulative Temperature difference between the feed water The corresponding value and the desired water 31 40 40 21 30 30 11 20 20 1 10 10 1 10 10 11 20 20 21 30 30 31 40 40 For example Under desired temperature Feed water temperature decrease 1 C under desired temperature in 1 minutes Degree Minute 10 X 1 10 Feed water temperature continue decrease 2 C under desired temperature in another 1 minutes Degree Minute 10 X 1 10 20 Feed water temperature continue decrease 3 C under desired temperature in another 1 minutes Degree Minute 10 X 1 20 30 Feed water temperature continue decrease 4 C under desired temperature in another 1 minutes Degree Minute 10 X 1 30 40 25 Con Degree Minute s DM instruction Before the Degree Minute reach 60 adjustable the compressor is off but when the Degree Minute reach 60 adjustable the compressor automatic start and the flow temperature will begin increase Higher than desired temperature when the actual water
44. erator heat curve is not change the slope is not change but the point near 5 C from 0 C to 10 C curve can be change step by step the variable is the biggest at OC it is 3 C If you wish to change a specific part of the heat curve 1 Open the main menu INFORMATION by pressing the right 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 Using the up or down button select either CURVE 5 CURVE 0 or CURVE 5 5 Open the selected curve by pressing the right hand button once 6 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 ss 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 MIN
45. hange the slope two points decide one beeline point one is 0 40 the other point could be 18 24 the point 18 24 is not changing when changing the slope because factory setting is that heat pump stops when outdoor ambient temperature is 18 C so the feed water temperature should be 24 C CURVE 40 C 18 E Change of value for CURVE If you wish to change the CURVE value 1 Open the main menu INFORMATION by pressing the right hand button once You will find the cursor at the sub menu named OPERATION 2 Press the down button to move the cursor to the sub menu called HEAT CURVE 3 Press the right hand button once to open the menu You will find the cursor at the parameter CURVE 4 Open the selected parameter by pressing the right hand button once 5 Increase or reduce the preset value using the up or down button You will see from the diagram how the gradient of CURVE changes 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 1 C for every degree by which the ROOM value is changed The relation feed line temperature to outside air temperature will not be affected The feed line temperature will be increased
46. hour EVAP IN Temperature is the evaporator inlet refrigerant temperature data for engineer use only EVAP OUT Temperature is the evaporator outlet refrigerant temperature data for engineer use only Sub Menu INTEGRAL INTEGRAL 00 00 00 ADD 1 60 ADD2 500 ADD 3 550 CeC ObFnNr m ____ gt Menus Integral DM is a program to set the startup time and distance between compressor and electrical heater according to heat demand and heat output to set stop conditions of compressor and electrical heater This program is depends on the feed water temperature degeneratiaon and Time To enter this menu operator can change the factory setting Menu Text Description Adjustable b OFF When the value testing reaches the value setting by USER user the system will be closed When the value testing reaches the value setting by USER user the compressor will be start up And the value MA testing under the value setting the compressor will be closed ADD1 When the value testing reaches the value setting by USER user the ADD 1 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 ADD2will 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 us
47. ht hand button for 3 seconds 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 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 displayed ALARM AND HEAT OVER OR FLOW TROUBLE 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 40 Regular Checks Checking the Brine Level of the Brine System A The Brine system must be filled with the correct volume of brine Otherwise the heat pump unit risks being damaged Brine system liquid brine must be added if the brine level gets so low that it is no longer visible in the expansion vessel A n En Level is too low Level is correct first month of operation the brine level might sink a little which is quite normal The
48. igerant having absorbed heat energy iscirculated tothe compressor where pressure and temperature are raised d 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 e heat energy released is carried by the heating circuit to water heater and radiator or floor heating systems f At last 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 three separate liquid circuits Brine system circuit a water based mixture brine transporting energy from heat source to heat pump Refrigerant circuit circulating inside the heat pump Through evaporation compression and condensation it absorbs energy from the Brine system 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 Heating circuit ET A Compressor Expantion valve I pressure increase Refrigerant circuit pressure drop Refrigerant Evaporator Brine system circuit Brine system Control panel Layout Left button Up button Display Right button MONDAY 11 30 W T HEATING 37 C 115 2 D Down button
49. igh pressure pressostat Compressor Stop Pressure Switch Compressor Low pressure pressostat List of components E 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 Low pressure needle valve High pressure needle valve Brine in pipe Brine out pipe Heating return pipe Drainpipe for Water tank Heating flow pipe Waterspout Temperature sensor Temperature sensor Temperature sensor Temperature sensor Temperature sensor Temperature sensor Transformer Waterpump 3 way valve common terminal Transition Circuit board heating flow Brine in Electrical auxiliary heater Brine out Compressor gas outlet Heating return 1 5mm terminal Module AC contactor Switch board Capacitor Main circuit board Power Board Fuse 1 for Electrical heater 1 Fuse 2 for Electrical heater 2 Fuse 3 for Electrical heater 3 3 way valve Relay Rectifier Electrical Bridge PFC Gmnterminal Main Switch Draining valve for water tank Draining valve for heating medium Draining pipe for the chassis Draining hole Room temperature sensor Ourside air temperature sensor Connecting Brine with insulation Conex connectors Particle filters Drainpipe Draining connector Level vessel Adjustable three way valve for waterflow Please Note The List for reference only Dim
50. ires an inter vening heat exchanger Expansion vessel CW Cooling medium KB in Cooling medium KB out Cooling medium pump Evaporator HW gt The brine emits its heat to the refrigerant in the heat pump s evaporator It then vaporises and is com pressed in the compressor The refrigerant the tem perature of which has now been raised is passed to the condenser where it gives off its energy to the heat ing medium circuit and if necessary to the water heater After the condenser there is a built in electrical module which cuts in if there is a high demand x The heating medium side and Heating Heating the hot water side must be fit return flow ted with the necessary safety equipment in accordance with the applicable regulations Three way valve Heating medium VB flow Heating medium VB return Electrical auxiliary heater Heating medium pump Compressor Condenser Expansion valve EN System description Unit Description In order to get the best results from the climate system DC BWA SS series you should read through the section For the System manager in these Installation and Maintenance instructions AGHB WPDC3 series is a climate system for heating houses and apartment buildings as well as industrial properties Ground rock or lakes can be used as the heat exchange source AGHB WPDC3 series is acomplete heating installation for heating
51. mbient temperature Factory setting is that feed water temperature is 40 C when outdoor ambient temperature is 0 C that is to say Curve is 40 the value of Curve is adjust from 22 C to 56 C This setting is only available for Room heating not for water tank heating 2 under ROOMHEAT 1 mode FEED setting can be adjust directly from 20 to 65 C factory setting is 45 C this setting is only available for room heating not for water tank heating BR IN Display the temperature of Brine system when entering the heat pump it is adjustable from 15 to 12 C factory setting is 0 C BR OUT Display the temperature of Brine system when leaving the heat pump CMPDIF TEMP compressor restart determined by water temperature degeneratiaon of water tank This setting is only for water tank heating it is adjustable from 3 to 15 C and factory setting is 5 C During heat pump s running if the actual brine inlet temperature lowers than brine inlet setting water temperature heat pump stop running during heat pump pause the water pump will stop 5 minutes after it runs 1 minute this is for absorb the heat for brine water and update brine water temperature information heat pump will restore running when actual brine inlet temperature higher than setting temperature 2 5 C When at item WARMWT or RETURN or FEED orBRINEINorBRINEOUT press button Right 5 seconds willdisplay the information as follow kind of chart to check how the temperature is going in one
52. n the ESTONIAN Main menu INFORMATION RUSSIAN Press the right button LATVIAN Then LANGUAGE menu can be seen LITHUANIAN Use Up and Down botton to select the language FINNISH and press Right button to confirm Most settings will be made by the installation contractor in connection with installation Adjustments to be made regularly by the user are the following Selection of operating mode Adjustment of desired room temperature by changing the ROOM value Adjustment of heat curve Adjustment of maximum and minimum values for feed line temperature Adjustment of the value for HIGH T STOP or LOW T STOP is possible Please refer to Adjustment of HIGH T STOP or LOW T STOP value on 37 Heat Generation General The indoor temperature should be adjusted by changing the heat curve of the installation The control computer determines the correct temperature of the water to be distributed to the heating 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 feed line temperature depending on the outside air temperature The lower the outside air temperature the higher the feed line temperature In other words the temperature of the water feed to the radiators will increase exponentiall
53. on 5 When test or repair the machine the compressor Y omi water cycle pump and outdoor fan motor can t E t be force manual startup 8 ge 28 y gg SE 88 Water Pump Control the Water Cycle Pump E Heater Control the Electrical Heater 1 and 2 O Warm Water Control the 3 way valve turn to the Water Tank Q Heating side B side I Room Heating Control the way valve turn to the Room Ta EEA cu Heating side A side NE HIHHH Reserved Invalid 1 I 1 1 ROOM HEATING A x A A WATER 0 WARM WARM WATER PUMP E HEATER WATER RESERVED IW um 10 LO Connect to the PCB 2 CN1L IN 1 The switch board is only for emergency such as circuit boards were broken and it must be operated by service engineer only 2 When control systems are normal it is forbidden to operate the switch board the switch boards are only available when circuit board or compressor broken before using the switch board it must set and ensure the OPER is OFF at the display ROOM 20 MONDAY 11 30 OPER OFF O 7 8 a D switch boards must keep the position as drawing then allow heat pump to runs normally A NORMAL B ROOM HEATING room heating only switch boards must keep the position as drawing then allow heat pump to heat room the feed water temperature is fixed with 40 C before using this mode it must set and ensure the OPE
54. onnection of feed water temperature sensor was loose 2 The feed water temperature sensor was broken How to do 1 Find the connection and make sure it is fine 2 As per resistance table of the sensor please measure the sensor s resistance to judge the sensor was good or bad replace a new one if the sensor get problem The cause of alarm RETURN TEMP could be 1 The connection of return water temperature sensor was loose 2 The return water temperature sensor was broken How to do 1 Find the connection and make sure it is fine 2 As per resistance table of the sensor please measure the sensor s resistance to judge the sensor was good or bad replace a new one if the sensor get problem The cause of alarm OUTDOOR TEMP could be 1 The connection of outdoor ambient temperature sensor was loose 2 The outdoor ambient temperature sensor was broken How to do 1 Find the connection and make sure it is fine 2 As per resistance table of the sensor please measure the sensor s resistance to judge the sensor was good or bad replace a new one if the sensor get problem Alarm Messages The cause of alarm CMP TEMP could be 1 The connection of compressor exhaust air temperature sensor was loose 2 The compressor exhaust air temperature sensor was broken How to do 1 Find the connection and make sure it is fine 2 As per resistance table of the sensor
55. oom return water temperature Ts room air setting temperature or feed water temperature E The relationship between compressor and DM T T1 Ts 2 C 1 0 0 5 After compressor start running when setting return water temperature actual return water temperature lt constant temperature setting and the electrical heater does not start then enter constant temperature control The temperature and its frequency during constant temperature program Recorded by the above chart AT T1 Ts 2 C AT has 10 areas from 0 to 9 the rule of constant temperature program s frequency is follow a when AT is changing i When AT is increasing the frequency increase 1 to run ii When AT is decreasing the frequency decrease 1 to run b when AT stay at a area as 3 minutes the rules as follow 4 8 the present frequency increase 1 keep 10 min to increase 1 until get the maximum frequency 3 frequency is unchanged 0 2 The present frequency decrease 1 to run until the frequency is get to F1 2 Constant temperature of Integral The constant area is from 00 to 600 DM It is running as integral changing lt INTEGRAL 00 OFF 00 CMP A 00 ADD 1 60 ADD 2 500 ADD 3 550 1 When integral is coming to negative side the frequency is increase 1 to run the frequency will unchangeable until get to maximum integral 2 When integral is coming to positive side the frequency is decrease 1 to run the
56. 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 33 You need to choose the room on the Sub menu TEMPERATURE then press the right button Use UP and DOWN button to adjust the ROOM CURVE Factory setting of ROOM value is 20 C CURVE 40 C 18 Changing the ROOM value sss Adjustments to be made regularly 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 When enter Room heat mode user could control compressor and electrical heater through regulate heat curve or DM degree minute under a certain ambient temperature the time start of compressor is determined by degree minute DM Now we are giving two situations to explain 1 start quickly is determined by FEED heat curve Suppose now the feed water temperature is 25 C regulate the heat curve to let the set
57. please measure the sensor s resistance to judge the sensor was good or bad replace a new one if the sensor get problem The cause of alarm BRINE IN TEMP could be 1 The connection of brine water inlet temperature sensor was loose 2 The brine water inlet temperature sensor was broken How to do 1 Find the connection and make sure it is fine 2 As per resistance table of the sensor please measure the sensor s resistance to judge the sensor was good or bad replace a new one if the sensor get problem The cause of alarm BRINE OUT TEMP could be 1 The connection of brine water outlet temperature sensor was loose 2 The brine water outlet temperature sensor was broken How to do 1 Find the connection and make sure it is fine 2 As per resistance table of the sensor please measure the sensor s resistance to judge the sensor was good or bad replace a new one if the sensor get problem LIEN NNI Circuit Board Picture For AGHB 70 90WPDC3 Transition circuit board Module Main circuit board Circuit Board Picture For AGHB 120 150WPDC3 x PRENE Transition circuit board Power board Module Main circuit board Contr Sensors resistance table compressor exhaust temperature sensor resistance Unit C KQ compressor exhaust temperature sensor 55K tC AD tC AD
58. re each two of the connections on the top of compressor s resistance if the resistance are always the same means the compressor is fine there 3 connections on the top of compressor you need to measure each two s resistance for example let s say the connections are A B C then you need to measure the resistance of AB AC BC 4 please check wire connection between the outdoor circuit board and module see the follow picture 5 Check the DC voltage between terminal P and N if normal the DC voltage should be AGHB 70 90WPDC3 380VDC AGHB 120 150WPDC3 single phase 280VDC AGHB 120 150WPDC3 trinal phase 540VDC 2 Control a Alarm Messages 6 check the if DC voltage between A first wire and B third wire is normal it should be 13 5V 16 5V A p mD amp 25 5 0 4 un asme 20517 ins B 259 1 nsi o 279 SR 0 gt The cause of alarm TRANSITION MAIN COMMUNICATE could be 1 The connection between transition circuit board and main circuit board is wrong 2 The connection between transition circuit board and main circuit board is not good such as had creepage 3 The transition circuit board or main circuit board was damaged How to do 1 Check the connection wire between transition circuit board and main circuit board their live wires zero curves was connected correctly 2 Check the connection wire between transition circuit board
59. ressor and electrical heater This program is depends on the feed water temperature degeneratiaon and Time COMPRESSOR A 60 0 ADD1 500 60 TIMESETTING To set Time year month date and week electrical heater timing water tank heating timing whole unit timing SETTING To set Emergency mode 1 Emergency mode 2 night mode day mode start conditions of electrical heater OPER TIME To calculate how much time have been running by compressor electrical heater RESET Return to factory settings press button Right to go back all factory settings MAN TEST Engineer testing ALARM RECORD To record 8 alarm histories recently the newest alarm message will be seen in the first line Press the right button to check alarm history Sub Menu OPERATION OPERATION WARMWATER ROOMHEAT ROOMHEAT 1 ROOMHEAT 2 HEATPUMP ADD HEAT WARMWATER Water tank heating warmwater mode when enter this mode under this mode has a program call compressor restart determined by water temperature degeneration heat pump only heat the water tank The unit stops running as soon as water tank s temperature gets to setting temperature then compressor restart determined by water tank temperature degeneration CMPDIFTEMP ROOMHEAT Room heating mode when enter this mode heat pump only heat the room In this mode heat pump runs according to the relationship between Time and Feed water temperature under a constant ambient tempera
60. rt automatically Display OUT ADD HEAT OFF HDO ON V Choose to activate the function External signal controls heat pump to start or stop there are two signal connections NC when external signal switch on them the compressor electrical hearer and motor will stop running The water pump will keep running if the operation mode is Room heating After switch off them the compressor electrical heater motor will restart and work as previous setting This function is for the countries which electricity has two different prices in high peak and low peak that they can use signal to stop heat pump when in high peak electricity and start the heat pump when in low peak electricity Notice never input electricity directly to HDO terminals ADD ENFORCE This function is only available for WARMWATER water tank heating when you select ON the ADD additional electrical heater will start enforcedly as soon as compressor start then stop as soon as water reach setting temperature when you select OFF the ADD only start after fulfill two other conditions ADD START and ADD DELAY WATER PUMP Press button RIGHT once will change from 0 0 to 3 10 press the button again will change to 3 10 press again will change to 3 15 press again will change to 3 20 press again will return to 0 0 0 0 means water pump for heating will keep running when house or water tank reach setting temperature in ROOMHEAT 1 and ROOMHEAT2 3 10 means that
61. supply temperature reach higher than the desired temperature the DM will be changed For example the DM was cumulated to 160 in this time 1 minutes later when the Feed water temperature higher than desired temperature for 1 C 10X1 10 Degree Minute 150 Another 1 minutes later when the Feed water temperature higher than desired temperature for 2 C 10X1 10 Degree Minute 140 Another 1 minutes later when the Feed water temperature higher than desired temperature for 3 C 10X1 10 Degree Minute 130 Another 1 minutes later when the Feed water temperature higher than desired temperature for 4 C 10X1 10 Degree Minute 120 Compressor off when Degree Minute reach 0 adjustable The relationship between compressor and DM The relationship between compressor on and off DM the relationship between heater on and off and DM The above chart is describing that running of compressor and electrical heater depend on Integral The compressor s DM is 60 start 0 is off A0 60 startup Electrical heater 1 s DM is 500 start when the feed water temperature reach the setting value the electrical heater is off A0 A2 60 440 500 start up Electrical heater 2 is the same principle The constant temperature function is only available in Room heating but not in water tank heating Constant temperature function has two kinds Integral DM and Constant room temperature 1 The constant area diagram T1 r
62. system to max 3 bar with the filling pump 12 Close the valve on the service connection closest to the level vessel 13 Stop the filling pump 14 Fill the level vessel with liquid up to around 2 3 15 Open the valve below the level vessel 16 Select the auto operating mode using the operating mode button Commissioning and adjusting EJ the container with tap water until it emerges from the return hose without being mixed with air Stop machine heat medium water pump stop running Depressing the white manual lever lightly and then pulling the lever out pushing the while manual lever down to bottom position and then A port open B port is closed Stop the filling pump and clean the particle filter Start the filling pump open the valve between the service connections Close the valve on the service connection s return line Now pressurise the system to max 3 bar with the filling pump Close the valve AV2 on the service connection Stop the filling pump Select the auto operating mode using the operating mode button AV 1 lt Closes AV p SF SAVE Expansion vessel Heating Heating return flow D lt 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
63. t from the water system follow manual s instruction 4 Measure the thermostat switch of electrical heater by ampere meter The cause of LOW PRESS could be 1 The refrigerant was not enough 2 The connection of low pressure switch was loose or the switch was broken 3 The outdoor fan can not run How to do 1 Check if there any place leak refrigerant especially on the connections valves 2 Check if the wire connection of low pressure switch was ok or replace a new low pressure Switch 3 Check if the outdoor unit s fan was running if not please check if the fan was normal The cause of HIGH PRESS could be 1 The water flow was not enough 2 The high pressure switch s connection was not good or the switch was broken 3 The ambient temperature was too high How to do 1 Always ensure enough water flow otherwise the flow switch can not open 2 Check if the wire connection of high pressure switch was ok or replace a new one Ki ss Alarm Messages The cause of alarm WARM WATER TEMP could be 1 The connection of water tank temperature sensor was loose 2 The water tank temperature sensor was broken How to do 1 Find the connection and make sure it is fine 2 As per resistance table of the sensor please measure the sensor s resistance to judge the sensor was good or bad replace a new one if the sensor get problem The cause of alarm FEEDLINE TEMP could be 1 The c
64. t or from the right The lower side panels are swapped over to suit the chosen connection option The enclosed connecting pipes for the brine are secured using the clips in the punched tabs that are folded down on the side in question Shut off valves should be installed as close to the heat pump as possible Fit the supplied particle filter on the incoming pipe In the case of connection to an open groundwater sys tem an intermediate frost protected circuit must be provided because of the risk of dirt and freezing in the evaporator This requires an additional heat exchang er 1 T3 exl lod M 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 relief valve must be fitted or some of the thermostats must be removed to ensure sufficient flow blat 4 4 Brine in 1 I l BK JK i I ti Brine out NK Level vessel SF Particle filter Notice 2 in line filter on the return line 3 To clean system with a power flush before installing the heat pump and fill with clean water 4 To use flow gauge to get the correct flow for each unit Pipe connections water hea
65. ter The heat pump s water heater must be fitted with the necessary valve equipment VENTING VALVE B D s sav EXP cw Z HW lt SAV SAV y Xav i SF t gt lt um Brine in BK JK Brine out NK Level vessel SF Particle filter 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 DC BWA SS series Pipe connections Pump capacity diagrams heating medium side AGHB 70WPDC3 AGHB 90WPDC3 AGHB 120WPDC3 AGHB 150WPDC3 GRUNDFOS UPS 25 80 QH Chart H m N XO Oo o 0 1 2 3 4 5 6 Qim 0 1 2 3 4 5 6 almh How to adjust the rate of flow The pump is GRUNDFOS UPS 25 80 adjustable to adjust the flow 1 2 or 3 EB Pipe connections Pump capacity diagrams collector side AGHB 70WPDC3 AGHB 90WPDC3 AGHB 120WPDC3 GRUNDFOS UPS 25 80 QH Chart H m N oc Oo o 0 1 2 3 4 5 6 Q m h AGHB 150WPDC3 WILO RL 25 7 5 Head m 7 How to adjust the rate of flow 2 The pump is GRUNDFOS UPS 25 80
66. ting of water temperature to be a higher value such as 55 C that is FEED25 55 At that time DM degree minute decrease 30 per minute when the DM reach 60 compressor will start right away Notice if the water temperature setting is lower than feed water temperature DM would turn to positive number and then compressor does not start Of course you also can regulate the DM to be near the value for compressor start such as 20 turn it up 2 start slowly is determined by FEED heat curve Suppose now the feed water temperature is 25 C if regulate the heat curve to let the setting of water temperature to be a lower value such as 30 C that is FEED25 30 at that time the DM would decrease 10 per minute the time to reach 60 is becoming longer only after some time then compressor can start You also can regulate the DM to be more far away from the value for compressor start such as 100 CURVE 40 C curve is a little flat When enter room heat mode it needs customer to regulate the heat curve or DM degree minute according to own request ee Contro Adjustments to be made regularly Adjustment of Part of the 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 adjusting the curve at three outside temperatures 5
67. ture operator can change the feed water temperature through slope of the CURVE ROOMHEAT1 Room heating mode 1 when enter this mode heat pump only heat the room In this mode heat pump runs according to Feed water temperature operator can set the feed water temperature directly adjustable from 20 to 65 C factory setting is 45 C ROOMHEAT 2 Room heating mode 2 when enter this mode heat pump only heat the room In this mode heat pump runs according to room air temperature operator can set the room air temperature directly adjustable from 16 to 31 C factory setting is 27 C WARMWATER ROOMHEAT or ROOMHEAT2 Auto mode select water tank heating and room heating at the same time enter Auto mode After enter this mode water tank heating has the priority compressor restart when in water tank heating must follow program CMPDIF TEMP When water tank get to setting temperature three way valve will change its direction to room heatingorcoolingautomatically If the water tank temperature decrease three way valve s direction will go back to water tank heating BX DE l Co 2 Menus ADD HEAT ON or OFF ON select ON electrical heater is running normally OFF select OFF only switch off electrical heater the others are running normally If you wish to change operating mode a Open the main menu INFORMATION by pressing the
68. ump 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 AGHB WPDCS 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 Pipe connections collector Factors to be taken into account when designing the collector layout are geographical position type of rock soil and cover factor of the heat pump When installing the collector hose ensure it rises con stantly towards the heat pump to avoid air pockets If this is not possible install high points to vent the air All collector pipes in heated rooms must be insulated against condensation The level vessel NK must be installed as the highest point in the collector system and on the incoming pipe before the brine pump Note that condensation may drip from the level vessel Position the vessel so that this does not harm other equipment As the temperature of the collector system can fall below 0 C it must be protected against freezing down to 15 C One litre of ready mixed brine per meter of collector hose applies when using PEM hose 40 x 2 4 PN 6 3 is used as a guide value when making the volume calculation Details of the antifreeze used must be shown on the level vessel The collector circuit may be connected from the lef
69. ut 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 El ss Alarm Messages In the event of an alarm message try to re start the unit with the safety switch If this does not work try to solve the problem with the help of the table below Call your installation contractor if you need help See References on page 39 Table 3 Alarm Messages Alarm Explanation DISPLAY EEPROM EEPROM reading failure from display DISPLAY TRANSITION COMMUNICATE The communications failure between display board and transition circuit board TRANSITION EEPROM EEPROM reading error from transition circuit board TRANSITION MAIN COMMUNICATE The communications error between transition circuit board and main
70. vel vessel NK is open so that water is drawn in from the vessel 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 E 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 ROOM 20 During normal operation the following information will be displayed Desired preset room temperature MONDAY 11 30 Date time timer Whether there is a heating demand or not If there is there will OPER WARMWATER also be symbols telling which heat source is working 95 heat pump or auxiliary heater or both see Symbols Which operating mode has been selected e ES B HDO CSP When display at the interface press button Right for 5 seconds for locking the display will show a symbol of lock All buttons are not available after lock is active until press button Right for 5 seconds to open the lock if the lock is active
71. y 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 feed line temperature This relation is referred to as heat curve Heat curve Feed line 40 C 18 temperature Relation of outside air temperature to Feed line temperature Outside air temperature Adjustment of the CURVE value The heat curve will be adjusted by the CURVE value This value indicates the feed line temperature to the radiators at 0 C outside temperature At outside air temperatures lower than 0 C the water sent to the radiators will be warmer than 40 C At outside temperatures higher than O 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 page21 a NE Adjustments to be made regularly CURVE is program that adjusts feed water temperature according outdoor ambient temperature factory setting is ambient temperature 0 C as feed water temperature 40 C that is CURVE 740 the value of CURVE is adjustable from 22 to 56 C How to c

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