GROUND SOURCE HEAT PUMP
WITH DC INVERTER (SPLIT TYPE)
MODEL:
3
C
D
P
W
0
9
-
H
G
A
/
7
5
1
2
- Please Read This Manual Before Using The Heat Pump -
INSTALLATION AND MAINTENANCE MANUAL
Page 1: ... HEAT PUMP WITH DC INVERTER SPLIT TYPE MODEL 3 C D P W 0 9 H G A 3 C D P W 0 7 H G A 3 C D P W 0 5 1 H G A 3 C D P W 0 2 1 H G A Please Read This Manual Before Using The Heat Pump INSTALLATION AND MAINTENANCE MANUAL ...
Page 2: ...onent placement Component positions 1 49 Component positions 2 50 Component positions 3 x 380 V 3 50 HZ 51 List of components List of components 52 Dimensions Dimensions and setting out coordinates 53 Accessories Accessories 54 Technical specifications Unit General Description 3 Operation Principle of AGH WPDC3 3 How to adjust the rate of flow 8 Connecting the outside temperature sensor 10 Wiring ...
Page 3: ...n the hose is raised a few degree b The brine system is circulated to the heat pump s evaporator Here the heat energy of the Brine system cause the refrigerant circulating through the evaporator to boil and turn into a gas it evaporates c The refrigerant having absorbed heat energy is circulated to the compressor where pressure and temperature are raised d The refrigerant continues to go to the co...
Page 4: ...tion for the system manager in these installation and maintenance instructions AGH WPDC3 is the ground source heat pump with DC inverter it is a climate system for heating houses and apartment buildings as well as industrial properties AGH WPDC3 is a complete heating installation for heating and hot water water transports heat energy to the heating system radiators floor coils and the water tank a...
Page 5: ... installation 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 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 d...
Page 6: ...he 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 Since the AGH WPDC3 eries is not fitted with shut off valves these must be fitted outside of the heat pump to make future servicing easier During assembly the p...
Page 7: ...ne 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 for the heating medium side are located at the top of indoor unit All required safety devices shut off valves as close to the heat pump 7KH YHQWLQJ YDOYH VKRXOG EH VHW RQ WKH WRS RI WKH KHDWLQJ PHGLXP ...
Page 8: ...s Pump capacity diagrams heating medium side 7 The pump is adjustable to adjust the flow 1 2 or 3 GRUNDFOS UPS 25 80 GRUNDFOS UPS 25 80 How to adjust the rate of flow AGH 70WPDC3 AGH 90WPDC3 AGH 120WPDC3 AGH 150WPDC3 ...
Page 9: ... 3 WILO RL 25 7 5 The pump is adjustable to adjust the flow 1 2 or 3 GRUNDFOS UPS 25 80 How to adjust the rate of flow GRUNDFOS UPS 25 80 WILO RL 25 7 5 Head min max 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 6 5 7 m 0 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 6 5 7 m h AGH 70WPDC3 AGH 90WPDC3 AGH 120WPDC3 AGH 150WPDC3 ...
Page 10: ...OHFWULFDO LQVWDOODWLRQ DQG VHUYLFH PXVW EH FDUULHG RXW XQGHU WKH VXSHUYLVLRQ RI D TXDOLILHG HOHFWULFLDQ LQ DFFRUGDQFH ZLWK WKH VWLSXODWLRQV LQ IRUFH NOTICE The power cable of heat pump must connect to a main switch air circuit breaker before to the power supply to ensure the safety of heat pump NOTICE L1 L2 L3 L1 L2 L3 ...
Page 11: ...ture Sensor Outside air temperature sensor Room temperature sensor RT OCT Room temperature sensor Outside air temperature sensor RT Room temperature sensor OCT Outside air temperature sensor WTT RT OCT WTT Connecting The Outside Temperature Sensor RT OCT WTT WTT Water tank temperature sensor WTT ...
Page 12: ...ter cycle pump From Water cycle pump2 3 Way Valve s Relay port 1 HDO PO From Electrical auxiliary heater Temperature Sensor From PCB2 CN2 N IN From External relay signal control port From Compressor Frequency Decrease For Protection From PCB2 T2 From PCB2 T3 From PCB2 CN15 From PCB2 CN14 From PCB2 T4 From MAIN PCB CN22 From MAIN PCB CN24 From MAIN PCB CN23 From MAIN PCB CN15 From MAIN PCB CN15 Fro...
Page 13: ...essor PCB Circuit Board 3WV 3 Way Valve WCP Water Circulating Pump WCP2 Water Circulating Pump 2 CT Common Terminal RE Relay for 3 Way Valve EH 1 Electrical Heater 1 EH 2 EH 3 Electrical Heater 2 Electrical Heater 3 EV Electronic Expansion Valve CFDT LP Low Pressure Switch CSP HDO External Signal Controls Heat Pump Start and Stop WTT ROOM PO FEED RETURN Water Tank Temperature Sensor Ambient Temper...
Page 14: ...FDT LP Low Pressure Switch CSP HDO External Signal Controls Heat Pump Start and Stop WTT ROOM PO FEED RETURN Water Tank Temperature Sensor Ambient Temperature Sensor Water Feed Temperature Sensor Water Return Temperature Sensor WTP1 GWCP2 Ground Water Circulating Pump 2 PQ Compressor Frequency Decrease For Protection WTP2 CN10 RED CN11 CN12 CN13 RED YELLOW PTC CAP WHITE BLUE 60uf CN2 CN6 CN16 CN15...
Page 15: ...mp 1 Check the heating medium system for leakage 2 Connect the filling pump and return line on the heating system s service connections as shown in figure 3 Close the valve between the service connections 4 Open the valves on the service connections AV1 AV2 6 Start the filling pump and fill until there is fluid in the return pipe 9 The filling pump and the heating medium pump are now operational T...
Page 16: ...erting a hose into the cold water connection Readjusting collector side Emptying the water heater Readjusting heat medium side 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 the flow with the knob on the brine pump 32 A high difference indicates a low brine flow A low difference indicates a hig...
Page 17: ...mber of dealer five Graphic display ROOM 20 MONDAY 11 30 1 HDO CSP 95 OPER WARMWATER The running speed percentage of compressor Display Left button button Power On Off Up button Down button Right 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 ...
Page 18: ...s running The auxiliary heater is activated The figure next to the symbol indicates capacity step There is a room heating demand Warm water is being produced Indicates the status of warm water production If the symbol is empty warm water temperature If the symbol is full warm water temperatur is under the setting temperature e reached to the setting temperature HDO CSP When this symbol appears the...
Page 19: ...r 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 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 ROOM 20 MONDAY 11 30 1 HDO CSP 95 OPER WARMWATER RESET MAN TEST INFOR...
Page 20: ...at pump runs according to the relationship between Time and Feed water temperature under a constant ambient temperature 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 adjustabl...
Page 21: ...tributed to the radiators feed water temperature when the outside air temperature is 0 C used see Adjustment ofCURVE value on p22 MIN Adjustment of value for lowest feed water temperature allowed used see Adjustment of MIN MAX value on p26 MAX Adjustment of value for highest feed water temperature allowed used see Adjustment ofMIN MAX value on p26 CURVE 5 Adjustment of room temperature when the ou...
Page 22: ...s adjustable from 3 to 15 ć and factory setting is 5ć When at item WARMWT or RETURN or FEED orBRINEINorBRINEOUT press button Right BR IN BR OUT Display the temperature of Brine system when leaving the heat pump 5 seconds willdisplay the information as follow kind of chart to check how the temperature is going in one hour Display the temperature of Brine system when entering the heat pump it is adj...
Page 23: ...esting 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 user 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 th...
Page 24: ... 130 Another 1 minutes later when the Feed water temperature higher than desired temperature for 4ć 10X1 10 Degree Minute 120 Compressor off when Degree Minute reach 0 adjustable The relationship between compressor on and off and DM the relationship between heater on and off and DM The relationship between compressor and DM The above chart is describing that running of compressor and electrical he...
Page 25: ...rease 1 ˈuntil get the maximum frequency 3 frequency is unchanged 0 2 The present frequency decrease 1 to run until the frequency is get to F1 temperature program s frequency is follow 2ˊConstant temperature of Integral The constant area is from 00 to 600 DM ˈIt is running as integral changing 1 2 3 Room air constant temperature a When ƸT is increasing the frequency increase 1 to run ƸT will uncha...
Page 26: ...er 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 to 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 se...
Page 27: ...ump 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 If ...
Page 28: ...ailable 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 ADD START 10 to 65 degree adjustable factory setting is 40 degree Electrical heater start water temper...
Page 29: ... ADD 2 OFF ADD 3 OFF CMP OFF CMP OFF B CMP ON or OFF COMPRESSOR CMP B ON or OFF COMPRESSOR B invalid BRINE PUMP BRINE PUMP ON or OFF BRINE PUMP 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 ADD2 ADD3 6kW since installation Operating time will Total operating hours of auxiliary heater ...
Page 30: ... 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 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 e...
Page 31: ...emperature to outside air temperature will not be affected The feed 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 ...
Page 32: ...er 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 25ć if regulate the heat curve to let the setting of water temperature to be a lower value such as 30ć that is FEED25 30 at that time the DM would decrease 10 per minute...
Page 33: ...e is not change the slope is not change but the point near 0ć from 5ć to 5ć curve can be change step by step the variable is the biggest at 0ć it is f3ć When outdoor ambient temperature is 5ć 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 5ć from 0ć to 10ć curve can be change step by ste...
Page 34: ...r from 30 to 70ć and factory setting is 70ć 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 70ć otherwise could be dangerous the heat pump will stop as soon as actual feed water temperature more than MAX setting 1 Open the main menu INFORMATION by pressing the right or left hand button once You will find the ...
Page 35: ...ew 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 C 30 16 0 16 32 48 64 60 48 FEEDLINE 2 Press the down button to move the cursor to the sub menu TEMPERATURE 3 Open the ...
Page 36: ... 4 Press the down button to move the cursor to the parameter WARMWATER 5 Open the selected parameter by pressing the right 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 tempe...
Page 37: ...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 ...
Page 38: ...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 Wa...
Page 39: ...ion loose on the top of compressor 3 Please measure 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 connecti...
Page 40: ...eck 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 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 ch...
Page 41: ...uld 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 The cause of alarm ADD OVER OR WATER FLOW TROUBLE could be 1 Water flow is not...
Page 42: ...asure 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 ...
Page 43: ...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 s...
Page 44: ...Circuit Board Picture For AGH 70 90WPDC3 Display Transition circuit board Module Main circuit board Circuit Board Picture For AGH 120 150WPDC3 Display Transition circuit board Module Main circuit board Power board ...
Page 45: ...32 117 2 294 199 2 200 7 9 38 31 62 52 78 7 321 134 118 2 233 200 1 190 5 10 39 30 36 53 79 7 086 136 119 2 174 201 0 180 9 10 40 29 15 55 80 6 859 138 120 2 117 202 1 171 9 11 41 28 57 81 6 641 140 121 2 061 203 2 163 3 12 42 26 9 59 82 6 43 142 122 2 007 204 3 155 2 12 43 25 86 60 83 6 228 144 123 1 955 206 4 147 6 13 44 24 85 62 84 6 033 146 124 1 905 207 5 140 4 13 45 23 89 64 85 5 844 148 125...
Page 46: ... 38991 243 2 39 8239 42 38 5 62961 150 78 1 25423 220 118 0 37956 243 1 37 1988 45 39 5 39689 152 79 1 2133 221 119 0 36954 243 0 35 2024 47 40 5 17519 155 80 1 17393 222 120 0 35982 244 1 33 3269 49 41 4 96392 157 81 1 13604 223 121 0 35042 244 2 31 5635 51 42 4 76253 160 82 1 09958 224 122 0 3413 244 3 29 9058 54 43 4 5705 162 83 1 06448 225 123 0 33246 244 4 28 3459 56 44 4 38736 165 84 1 03069...
Page 47: ...p 4 CURVE value will be adjusted on the control panel The value indicates the temperature of the water distributed to the radiators supply line temperature at an outside air temperature of 0 C cuit in the heat pump filled with refrigerant that by evaporation compression and condensation absorbs heat energy from the systemcircuit and releases it to the Heating circuit Radiator Heating element Contr...
Page 48: ...t and ensure the OPER is OFF at the display A NORMAL switch boards must keep the position as drawing then allow heat pump to runs normally 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 40ć before using this mode it must set and ensure the OPER is OFF at the display C WARMEATER water tank h...
Page 49: ...losed Open the drain valve 25 26 under the evaporator and loose the brine pump on the evaporator The loose hose end can now be bent down and emptied in a small bowl Now loosen the connection to KB a little to allow air to enter so the heat pump s collector side is emptied completely When the circuit is empty the requisite service can be carried out Draining heat medium side Draining collector side...
Page 50: ...49 Component placement Please Note The picture for reference only 1 4 3 7 5 6 2 8 9 10 11 12 13 14 15 16 ...
Page 51: ...50 Component placement Please Note The picture for reference only AGH 120WPDC3 for example 17 18 19 20 21 22 23 25 26 27 28 29 30 31 32 33 34 35 24 ...
Page 52: ...51 Component placement 3X380 V 3 50 HZ Please Note The picture for reference only 3 4 0057W E28077 ROHS 104 A 104 104 A 104 104 A 104 36 37 38 39 40 41 42 43 44 45 47 46 48 49 50 51 52 53 54 55 ...
Page 53: ...apacitor 34 Condenser 6 Handles 12 High pressure service valve 26 Draining valve for Brine Pump 40 Power Board 45 Reactance 46 Power Terminal Connector 44 Electrical Bridge 2 41 Terminal Connector 17 Evaporator 18 Three way valve for water flow 20 Additional electrical heater 21 Low pressure pressostat 19 Automatic vent valve 22 Brine pump cooling medium pump 23 Liquid refrigerant receiver 32 High...
Page 54: ...53 Dimensions and setting out coordinates Dimensions 970mm 600mm 80mm 685mm 60mm ...
Page 55: ...54 Accessories Outside air temperature sensor Room temperature sensor 57 56 59 optional 58 62 optional 61 Enclosed kit 60 ...
Page 56: ...t quantity R410A kg 1 40 1 60 1 85 2 20 Heating medium flow Rated m h 1 20 1 50 2 05 2 50 Brine water flow Rated m h 1 10 1 40 1 90 2 20 Max Discharge Pressure Mpa 4 0 4 0 4 0 4 0 Max Suction Pressure Mpa 0 95 0 95 0 95 0 95 Enclosure class Noise of indoor unit dB A 47 48 50 51 IP 21 28 28 28 0 25 2 5 bar Model AGH 70WPDC3 Operating current of electrical heater 6 9kw A Dimension of Indoor unit LxW...
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