Space Pak LAHP48 Installation, Operation & Maintenance Manual Download Page 19 | Manualshive

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Model

LAHP48

Air to Water Heat Pump — Installation, Operation & Maintenance Manual

Figure 17

Field Connections

Section 9: Electrical Diagrams

(continued)

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Summary of Contents for LAHP48

Page 1: ...PIPING 13 SECTION 7 GLYCOL WATER SYSTEM Glycol Water System Design Installation 14 15 SECTION 8 START UP AND TEST Preparing for Start Up 15 BEFORE Starting the Unit 16 Start the SpacePak Low Ambient...

Page 2: ...t capacity under extreme cold conditions and uses that heat energy to increase the compression and therefore usable heat produced by the compressor A generously sized outside coil to absorb heat in he...

Page 3: ...3 Model LAHP48 Air to Water Heat Pump Installation Operation Maintenance Manual Figure 1 LAHP Controller Section 2 LAHP Field Adjustable Parameters...

Page 4: ...main menu Note a The parameters that have been modified without being confirmed using the sel button return to the previous value b If no operations are performed on the keypad for 60 seconds the con...

Page 5: ...osting 0 360 Second 45 Duration of fan operation at full speed to clear water from coil 66 d17 Defrost with compressors OFF 0 80 0 F 55 0 Temperature above which defrost occurs with fans only 66 F02 F...

Page 6: ...Heating F03 F05 OUTSIDE COIL PRESSURE BAR FAN SPEED PERCENTAGE SOLSTICE EXTREME FAN SPEED CONTROL COOLING F04 F06 F07 OFF r01 r19 r17 0 AS SHOWN r18 OUTDOOR AMBIENT TEMPERATURE F WATER TEMPERATURE SP...

Page 7: ...mp sized to provide the minimum ow rates speci ed in this manual Pump selection must consider the pressure loss through the system and its components plus the pressure loss through the LAHP s heat exc...

Page 8: ...min Pressure drop at recommended flow 17 1 ft 7 4 PSI 35 8 kPa Heating current 31A Cooling Current 23 5A Noise level at max fan speed Heating or Cooling 62 dB A Compressor EVI Scroll Installed weight...

Page 9: ...l LAHP48 Cooling Performance 0 0 1 0 2 0 3 0 4 0 24 000 28 000 32 000 36 000 40 000 44 000 48 000 65 70 75 80 85 90 95 100 COOLING CAPACITY BTU hr OUTDOOR AMBIENT TEMPERATURE F 42 44 47 Coefficientof...

Page 10: ...00 40 000 48 000 56 000 64 000 72 000 80 000 10 5 0 5 10 15 20 25 30 35 40 45 50 H H E E A A T T I I N N G G C C A A P P A A C C I I T T Y Y B B T T U U h h r r O OU UT TD DO OO OR R A AM MB BI IE EN...

Page 11: ...11 Model LAHP48 Air to Water Heat Pump Installation Operation Maintenance Manual Figure 9 Model LAHP Dimensions all dimensions in inches Section 4 Dimensions...

Page 12: ...ted where the cables cross with sufficient padding such as multiple layers or corrugated cardboard Use caution when handling The unit is heavy and could cause severe injury or damage if dropped or han...

Page 13: ...Make sure no other equipment located in the space will be affected by the units air flow All clearances must be maintained to ensure free air ow into and out of the enclosure Make sure no other equipm...

Page 14: ...plier Heating 1 34 1 46 1 5 Minimum Expansion Volume System Volume Heating and Cooling 1 gallon expansion per 15 gallons system volume Heating only HP only 1 gallon expansion per 20 gallons system vol...

Page 15: ...re Calculate the system volume 2 See Figure 13 for required glycol concentration for the mini mum expected outside temperature 3 Obtain the required volume inhibited glycol water solution premixed or...

Page 16: ...efrigeration system will initiate and the numeral 1 will begin ashing on display 7 After 1 to 2 minutes the 1 numeral will change to constant the compressor symbol will turn on and the compressor will...

Page 17: ...17 Model LAHP48 Air to Water Heat Pump Installation Operation Maintenance Manual Figure 15 SpacePak LAHP Pictorial Wiring Diagram Section 9 Electrical Diagrams...

Page 18: ...18 Model LAHP48 Air to Water Heat Pump Installation Operation Maintenance Manual Figure 16 SpacePak LAHP Electrical Ladder Diagram Section 9 Electrical Diagrams continued...

Page 19: ...19 Model LAHP48 Air to Water Heat Pump Installation Operation Maintenance Manual Figure 17 Field Connections Section 9 Electrical Diagrams continued...

Page 20: ...20 Model LAHP48 Air to Water Heat Pump Installation Operation Maintenance Manual Figure 18 Wiring Diagram Section 9 Electrical Diagrams continued...

Page 21: ...Stop E3 OS coil temp sensor fail Automatic None None None None E4 Refrigerant pressure sensor fail Automatic Stop None Stop None E8 Ambient temp sensor fail Automatic None None None None ESP Lost com...

Page 22: ...cooling operation i e 55 F If low ambient cooling is desired contact Technical Support for procedure to modify fan operating parameters Compressor will not run Power supply failure Supply correct pow...

Page 23: ...aks immediately Close the isolation valves on either side of the y strainer at the SpacePak heat pump return connection Remove the screen and inspect for sediment Clean if necessary NOTE If the strain...

Page 24: ...0 430048 Fan Speed Controller 17 45R2000 3202 Sensor 5k 18 45R20000 120100 Plate Heat Exchanger EVI 19 45R20000 140027 Filter 20 45R20000 140194 EVI Solenoid Valve 21 45R20000 140234 Electronic Expans...

Page 25: ...or parts thereof c To any workmanship of the installer of the Product This limited warranty is conditional upon a Shipment to the Manufacturer of that part of the Product thought to be defective Goods...

Page 26: ...26 Model LAHP48 Air to Water Heat Pump Installation Operation Maintenance Manual...

Page 27: ...27 Model LAHP48 Air to Water Heat Pump Installation Operation Maintenance Manual...

Page 28: ...IN UNITED STATES 260 NORTH ELM ST WESTFIELD MA 01085 800 465 8558 FAX 413 564 5815 IN CANADA 7555 TRANMERE DRIVE MISSISSAUGA ONTARIO L5S 1L4 905 670 5888 FAX 905 670 5782...

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