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Page 40

000662MAN-03

01 MAR 2012

Table 18 - Heat Pump Electrical Information (230-1-60)

Model

Size

Compressor

Internal

Circulators

Electric

Elements

Outdoor

Circulators

FLA

MCA

Max Fuse/

Breaker

Wire

Size

Tons

RLA

LRA

Amps

Max A

Amps

65 5

28.6

118 2.5

5.0 84.9

104.1 125 #1-3

75 6

30.4

150 2.5

5.0 86.7

106.3 125 #1-3

Table 19 - Heat Pump Electrical Information (208-3-60)

Model

Size

Compressor

Internal

Circulators

Electric

Elements

Outdoor

Circulators

FLA

MCA

Max Fuse/

Breaker

Wire

Size

Tons

RLA

LRA

Amps

Max A

Amps

65 5

19.6

123 2.5

5.0 27.9

86.6 100 #3-4

75 6

21.2

123 2.5

5.0 29.5

88.6 100 #3-4

Table 20 - Heat Pump Electrical Information (220-1-50)

Model

Size

Compressor

Internal

Circulators

Electric

Elements

Outdoor

Circulators

FLA

MCA

Max Fuse/

Breaker

Wire

Size

Tons

RLA

LRA

Amps

Max A

Amps

65 5

27.3

153 2.5

5.0 81.6

99.9 125 #1-3

75 6

32.9

176 2.5

5.0 87.2

106.9 125 #1-3

Table 21 - Heat Pump Electrical Information (380-3-50)

Model

Size

Compressor

Internal

Circulators

Electric

Elements

Outdoor

Circulators

FLA

MCA

Max Fuse/

Breaker

Wire

Size

Tons

RLA

LRA

Amps

Max A

Amps

65 5

7.1

43 2.5

5.0 61.4

74.7 80 #4-4

75 6 10

64 2.5

5.0 64.3

78.3 80 #4-4

Содержание EMWT-65-HACW-P-1T

Страница 1: ...umps Email info nordicghp com Web www nordicghp com Document Number 000662MAN 03 EMWT HACW Series Two Stage R410a Model Sizes 65 75 Installation and Service Manual REVISION DATE 01 MAR 2012 Maritime G...

Страница 2: ...henever brazing is performed CAUTION Venting refrigerant to atmosphere is illegal A proper refrigerant recovery system must be employed whenever repairs require removal of refrigerant from the heat pu...

Страница 3: ...ND HYDRONIC INFORMATION PAGE 12 Heat Pump Sizing Page 12 Hydronic Applications General Page 12 GROUND WATER SYSTEM INFORMATION PAGE 14 General Requirements Page 14 Plumbing the Heat Pump Page 14 Pipe...

Страница 4: ...ter Cooling 60Hz Page 37 Table 18 Heat Pump Electrical Information 230 1 60 Page 40 Table 19 Heat Pump Electrical Information 208 3 60 Page 40 Table 20 Heat Pump Electrical Information 220 1 50 Page 4...

Страница 5: ...ly qualified electrician should be retained to make the connections to the heat pump and associated controls The connections to the heat pump MUST conform to local codes CIRCULATOR PUMP MODULE WIRING...

Страница 6: ...1 and HP2 The control board also has provisions for a flow switch The flow switch is unused from the factory and a jumper wire is placed across the FLOW SWITCH terminals If a flow switch is desired th...

Страница 7: ...10PSIG Should the heat pump require service the compressor breaker should be turned off This prevents the refrigeration section from operating but allows the electric heat to continue operating until...

Страница 8: ...rmostat fail the water temperature could rise to as high as 200 F 93 C Ensure the tank is filled with water and under pressure before activating the heat pump Slightly loosen the boiler drain on the D...

Страница 9: ...01 MAR 2012 Page 9 000662MAN 03...

Страница 10: ...Page 10 000662MAN 03 01 MAR 2012...

Страница 11: ...tisfied COOLING LOAD ONLY OPERATION As described previously this unit has two cooling stages Stage 1 Stage 1 compressor part load and Stage 2 Stage 2 compressor full load In the cooling load only scen...

Страница 12: ...dle for ground water installations THE TABLES ABOVE ARE FOR INFORMATION ONLY THEY SHOULD NOT BE USED TO SELECT A UNIT SIZE They simply show on average what size unit is required for a typical two leve...

Страница 13: ...01 MAR 2012 Page 13 000662MAN 03...

Страница 14: ...TO LOCAL CODES GENERAL REQUIREMENTS 1 The temperature of the well water should be a minimum of 39 F 4 C and should normally be 45 F 7 C 2 The well system must be able to supply the required water flo...

Страница 15: ...should be a minimum of 80 ft from the supply well for residential applications The water returned to the well will not necessarily be pumped into the same aquifer depend ing on underground conditions...

Страница 16: ...Page 16 000662MAN 03 01 MAR 2012...

Страница 17: ...should be used The installation of P T plugs pressure temperature pronounced Pete s plugs is recommended on both the entering and leaving lines at the heat pump see Diagram C The P T plug will allow t...

Страница 18: ...n by referencing TABLE 10 drain the equivalent amount of water from the flush cart or mixing barrel and replace it with the antifreeze When using alcohols be sure to inject below the water line to red...

Страница 19: ...01 MAR 2012 Page 19 000662MAN 03...

Страница 20: ...as possible Further purging may be required after the system has been operating for a while 3 Verify that the loop contains the proper mix of antifreeze for the intended application Record the type of...

Страница 21: ...the DHW IN and DHW OUT temperatures if applicable by hand caution pipes get hot If the DHW OUT line does not become hotter than the DHW IN line the circulator is air locked Bleed the air from the sys...

Страница 22: ...or fuse size and wire gauge for Heat Pump A Ga Circulator pump voltages Outdoor 1 Outdoor 2 V V V Low voltage connections are correct and securely fastened STARTUP DATA Preparation Voltage across L1...

Страница 23: ...ns for to access the heat exchanger STEP 6 Connect fresh water and a drain to the pump module purge ports and flush the exchanger for several minutes STEP 7 Blow the heat exchanger out with compressed...

Страница 24: ...ent on either proceed to POWER SUPPLY TROUBLE SHOOTING otherwise proceed to STEP 2 STEP 2 Remove the door and electrical box cover and check to see if there is a fault code on the safety board If ther...

Страница 25: ...e Safety Board Unit out of refrigerant Check static refrigeration pressure of the unit for a very low value Locate the leak and repair it Spray nine a sniffer and dye are common methods of locating a...

Страница 26: ...shows 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 Seized compresso...

Страница 27: ...round loop sys tems Verify well pump and water valve is working for ground water systems Entering liquid tempera ture too cold Measure the entering liquid temper ature Most likely caused by under size...

Страница 28: ...water lines and check the inside of the pipes for scale deposits Have a qualified service technician backflush the coaxial exchanger OPERATION TROUBLESHOOTING HEATING MODE Fault Possible Cause Verifi...

Страница 29: ...ath is unrestricted Replace pump if faulty Faulty internal circulator select relay Internal hot circulator is pumping instead of internal cold circulator Replace relay Low or no refrigerant charge Ent...

Страница 30: ...r Voltage on line side with contactor held closed but no voltage on one or both terminals on the load side Points pitted or burned Or 24VAC across coil but contactor will not engage Replace contactor...

Страница 31: ...ut circulator pump is not working Close isolation valves and re move circulator pump head Veri fy operation of the impeller Clean or replace if faulty No cold water to individual cooling zone Faulty z...

Страница 32: ...the domestic hot water coil Faulty DHW cutout failed open Check contact operation Should close at 120 F and open at 140 F Replace DHW cutout if faulty Heat pump not running enough hours to make suffi...

Страница 33: ...ing the refrigeration circuit is ready for vacuuming STEP 2 Release the refrigerant circuit pressure and connect the vacuum pump to the charging manifold Start the vacuum pump and open the charging ma...

Страница 34: ...Page 34 000662MAN 03 01 MAR 2012 REFRIGERATION CIRCUIT DIAGRAM...

Страница 35: ...01 MAR 2012 Page 35 000662MAN 03 REFRIGERATION CIRCUIT DIAGRAM continued...

Страница 36: ...or Pressure Drop Mode Input Energy Capacity COPH Tons IGAL USG L s PSI kPA Watts BTU Hr kW W W 65 5 12 14 4 0 91 4 5 31 2 Stage 1 3 390 42 900 12 6 3 71 Stage 2 4 545 58 800 17 2 3 79 75 6 14 16 8 1 0...

Страница 37: ...3 345 51 500 15 1 4 51 75 6 14 16 8 1 06 5 1 35 0 Stage 1 2 605 48 200 14 0 5 42 Stage 2 3 895 57 900 17 0 4 36 15 NaCl by Weight Ground Loop Fluid Table 17 Standard Capacity Ratings Ground Water Coo...

Страница 38: ...74 405 20 0 10 0 54 2 15 3 4 7 17 110 40 0 48 3 54 2 45 7 5 7 21 800 Compressor ZPS51K4E PFV Power Consumption Cooling Mode Full Load EMWT 65 HACW P 1T R410a 60 Hz Source Data Indoor Loop Sink Data Ou...

Страница 39: ...104 0 122 14 0 114 0 10 0 83 934 20 0 10 0 63 3 15 5 4 5 19 310 40 0 50 0 63 3 45 6 5 6 24 592 Compressor ZPS60K4E PFV Power Consumption Cooling Mode EMWT 75 HACW P 1T R410a 60 Hz Source Data Indoor...

Страница 40: ...Amps Amps Max A Amps Amps Amps ga 65 5 19 6 123 2 5 43 5 0 27 9 86 6 100 3 4 75 6 21 2 123 2 5 43 5 0 29 5 88 6 100 3 4 Table 20 Heat Pump Electrical Information 220 1 50 Model Size Compressor Intern...

Страница 41: ...01 MAR 2012 Page 41 000662MAN 03 ELECTRICAL DIAGRAMS 230 1 60...

Страница 42: ...Page 42 000662MAN 03 01 MAR 2012 ELECTRICAL DIAGRAMS 230 1 60 continued...

Страница 43: ...01 MAR 2012 Page 43 000662MAN 03 Back View Front View CASE DETAILS Right Side View...

Страница 44: ...n contaminated or corrosive liquid or air supply operation at abnormal air or liquid temperatures or flow rates or opening of the refrigerant circuit by unqualified personnel 8 Mold fungus or bacteria...

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