American Dream Ultra Performance Geothermal Copper Series Installation And Service Manual Download Page 45 | Manualshive

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25 MAY 2009

Page 45

000744MAN-02

REFRIGERATION CIRCUIT DIAGRAMS

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Summary of Contents for Copper Series

Page 1: ...Vegas Nevada 89169 AMERICAN DREAM Freon Copper Series Triple Function Installation and Service Manual Email info AmericanDreamGeothermal com Web www AmericanDreamGeothermal com Document Number 000744M...

Page 2: ...ced A fire extinguisher and proper ventilation should be present whenever brazing is performed CAUTION Venting refrigerant to atmosphere is illegal A proper refrigerant recovery system must be employe...

Page 3: ...INDOOR COIL FAN CASE REVISIONS 3 Ton HACW P 1 T BLANK or H C or Z SDETV 02 2 T 02 6 S 02 7 T 02 4 Ton HACW P 1 T BLANK or H C or Z SDETV 02 2 T 02 6 S 02 7 T 02 5 Ton P BLANK or H C or Z SDETV HACW 1...

Page 4: ...l Page 15 Hydronic System Connections Page 15 Duct Sizing Guide Page 17 Freon Copper LOOP CONNECTION AND CHARGING PAGE 21 Line Set Interconnect Tubing Page 21 Pipe Insulation Page 21 Silver Soldering...

Page 5: ...Ratings Hydronic Heating 60Hz Page 48 Table 21 Heat Pump Electrical Information 230 1 60 Page 52 Table 22 Heat Pump Electrical Information 208 3 60 Page 52 Table 23 Heat Pump Electrical Information 2...

Page 6: ...talled with the removable end where the filter is inserted on either side to facilitate changing the filter ELECTRICAL CONNECTIONS The heat pump has a concentric 1 093 0 875 knockout for power supply...

Page 7: ...er of the plenum heater for more information NOTE Some models are not available in two stage at the pre sent time see Electrical Tables The Y2 signal is not used for these units INDOOR LOOP CIRCULATOR...

Page 8: ...ures equalize in the unit The unit may restart after the timer period has expired Should the unit trip on the safety con trol again the compressor will once again shut down and the counter will be inc...

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Page 11: ...7 As the transition from summer to fall begins and the cool ing load is greatly reduced the loops begin to cool down on their own Eventually a point is reached at which the loops are cooled down enou...

Page 12: ...he COP must be unlocked by command U before using command C to change system settings The list of settings for command C is shown in TABLE 11 It is recommended that the settings be left at the default...

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Page 14: ...EAT PUMP SIZING TABLE 12 depicts averages WILL VARY WITH ENVELOP EFFICIENCY as a rough guideline to the size of home each heat pump size can handle THE TABLE ABOVE IS FOR INFORMATION ONLY IT SHOULD NO...

Page 15: ...pass through it to prevent any hot spots in the heater elements TABLE 14 shows the recommended size plenum heater as well as the wire size and breaker size needed to provide power to the plenum heate...

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Page 17: ...6 15 x 15 20 684 201 1750 18 8 x 40 10 x 30 12 x 24 14 x 20 16 x 17 16 5 x 16 5 20 826 254 2000 18 8 x 40 10 x 30 12 x 24 14 x 20 16 x 17 16 5 x 16 5 22 944 254 2250 20 10 x 38 12 x 30 14 x 26 16 x 22...

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Page 21: ...ine set tubing The line sets can be connected to the ports on the heat pump using couplings or alternately the tubing can be swaged The joints should be silver soldered with 5 silfos AMERICAN DREAM Ge...

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Page 23: ...ation Record the type of antifreeze and the mixture value on the startup sheet circle Vol or Weight 4 Record the static loop pressure on the startup sheet Line Sets Inside structure 1 Verify that all...

Page 24: ...l box and compressor 4 Adjust the thermostat setpoint to the desired room temperature and let the unit run through a cycle Record the setpoint and the discharge pressure when the unit shuts off 5 For...

Page 25: ...connections are correct and securely fastened Circuit breaker or fuse size and wire gauge for Heat Pump A Ga Circuit breaker or fuse size wire gauge and Plenum Heater size A Ga kW Low voltage connect...

Page 26: ...oop Out Hot Out temperature 7 Indoor Delta T should be between 8 12 F 4 6 C 8 Compressor L1 C current black wire place meter between electrical box and compressor 4 Adjust the aquastat setpoint to the...

Page 27: ...aker or fuse size wire gauge and Plenum Heater size A Ga kW Low voltage connections are correct and securely fastened Unit Charge Refrigerant charge be fore power is turned on Lbs kg STARTUP DATA Prep...

Page 28: ...ction at the top of the adjustment record sheet Circle F or C at the top right 2 Record all data for the initial readings elapsed time 0 Adjust the TXV for the loop that is the furthest out Record the...

Page 29: ...lation Site City Province Country Serial Installer Company Date Model F C TIME COMMON LOOP 1 LOOP 2 LOOP 3 LOOP 4 LOOP 5 LOOP 6 ADJUSTMENT Actual EL S ET D P1 V1 S1 P2 V2 S2 P3 V3 S3 P4 V4 S4 P5 V5 S5...

Page 30: ...lter 6 months Inspect for dirt Replace if necessary Contactor 1 year Inspect for pitted or burned points Replace if necessary Condensate Drain 1 year Inspect for clogs Remove and clean if necessary Ci...

Page 31: ...roceed to POWER SUPPLY TROUBLESHOOTING otherwise proceed to STEP 2 STEP 2 Remove the door and electrical box cover and check to see if the HI or LOW LED s are flashing or on Record The results Turn th...

Page 32: ...AC signal present across C and Stage 1 of the thermo stat Correct the setup Faulty thermostat to heat pump wiring 24VAC signal present across Stage 1 and C of the thermostat but not pre sent across Y1...

Page 33: ...infinite resistance between any two terminals Note Be sure compressor overload has had a chance to reset If compressor is hot this may take several hours Replace the compressor Burned out motor shorte...

Page 34: ...Pressure Heating TXV s adjusted too far closed Verify superheat It should be be tween 8 14 F 3 8 C Superheat will be high if TXV is closed too far Adjust TXV to obtain 8 14 F 3 8 C superheat Low Sucti...

Page 35: ...e or more heating TXV s stuck too far open Adjusting the TXV does not affect the superheat of the loop or the suc tion pressure Low super heat low discharge pressure Adjust the TXV all the way in and...

Page 36: ...g S and S does not cause the Loop Switch LED to come on or does not cause a loop change Replace the control board High Pressure control and man ual high pressure control trips very fast Faulty reclaim...

Page 37: ...ir flow are good but suction is low Check static refrigeration pressure of unit for very low value Locate the leak and repair it Spray nine a sniffer and dye are common methods of locating a leak Leak...

Page 38: ...en White pin 3 and the following at the fan con trol signal harness insert probes in connector where wire is inserted do not unplug the connector Circulation Grey pin 15 Stage 1 Yellow pin 6 Stage 2 Y...

Page 39: ...at to DXTF Control Box wiring 24VAC not present across Stage 1 C and COM of the aquastat Correct or replace wiring Faulty aquastat to DXTF Control Box wiring 24VAC signal present across Stage 1 NO and...

Page 40: ...he discharge pressure reduces Surging Discharge Pressure Heating TXV s adjusted too far closed Verify superheat It should be be tween 8 14 F 3 8 C Superheat will be high if TXV s are closed too far Ad...

Page 41: ...F 3 8 C superheat One or more heating TXV s stuck too far open Adjusting the TXV does not affect the superheat of the loop or the suc tion pressure Low super heat low discharge pressure Attempt to adj...

Page 42: ...anual Faulty thermostat Thermostat doesn t indicate a call for auxiliary or emergency when it should Replace thermostat Faulty thermostat Thermostat indicates auxiliary or emergency but no 24VAC signa...

Page 43: ...spect the pump to see if shaft is turning Use an amprobe to measure current draw Replace if faulty Insufficient hot water Heat Pump Prob lem Blockage or restriction in the water line or hot water heat...

Page 44: ...gerant circuit pressure and connect the vacuum pump to the charging manifold Start the vacuum pump and open the charging manifold valves Vacuum until the vacuum gauge remains at less than 500 microns...

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Page 47: ...25 MAY 2009 Page 47 000744MAN 02 REFRIGERATION CIRCUIT DIAGRAMS continued...

Page 48: ...0 802 3 375 43 500 12 7 3 78 65 5 Stage 1 1700 802 2 930 41 900 12 3 4 19 Stage 2 2100 991 4 180 53 300 15 6 3 74 Table 19 Standard Capacity Ratings Cooling 60Hz EAT 80 F 26 7 C STAGE 1 LIQUID LINE 68...

Page 49: ...g Mode Source Data Indoor Loop Power Consumption Sink Data Outdoor Loop Suct Pres Evap Temp EAT Air Flow LAT Delta T Latent Sensible HAB Compressor Fan Total Electrical Efficiency Disch Pres Cond Temp...

Page 50: ...0 Hz Cooling Mode Source Data Indoor Loop Power Consumption Sink Data Outdoor Loop Suct Pres Evap Temp EAT Air Flow LAT Delta T Latent Sensible HAB Compressor Fan Total Electrical Efficiency Disch Pre...

Page 51: ...Hz Cooling Mode Source Data Indoor Loop Power Consumption Sink Data Outdoor Loop Suct Pres Evap Temp EAT Air Flow LAT Delta T Latent Sensible HAB Compressor Fan Total Electrical Efficiency Disch Pres...

Page 52: ...58 3 5 16 9 20 0 30 10 4 55 15 0 88 4 0 20 0 23 8 40 8 4 65 19 6 123 5 5 26 1 31 0 50 8 4 Models are single stage Table 23 Heat Pump Electrical Information 220 1 50 Model Compressor Fan FLA MCA Max F...

Page 53: ...25 MAY 2009 Page 53 000744MAN 02 ELECTRICAL DIAGRAMS 230 1 60...

Page 54: ...Page 54 000744MAN 02 25 MAY 2009 ELECTRICAL DIAGRAMS 230 1 60 continued...

Page 55: ...25 MAY 2009 Page 55 000744MAN 02 CASE DETAILS Front View Back View Left Side View Right Side View...

Page 56: ...Page 56 000744MAN 02 25 MAY 2009 Top View Size 2 3 4 Ton CASE DETAILS continued Top View Size 5 Ton...

Page 57: ...H STAGE 2 STAGE 1 FAN ONLY Recirculation Model Nom Size Full Reduced Full Reduced Full Reduced Tons CFM L s CFM L s CFM L s CFM L s CFM L s CFM L s 25 2 848 400 721 340 721 340 613 289 475 224 404 191...

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Page 60: ...only to the completely finished and insulated structure Startup of the unit shall not be scheduled prior to completion of construction and final duct installation for validation of this warranty 4 It...

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