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P/N SCM2-0111

Model

SCM

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

Section 11: Performance data

3-Ton SpacePak chiller

cooling (47°F water)

Ambient

Temp

Capacity

Chiller

Power

Chiller

COP

Chiller

EER

Deg F

BTU/hr

Watts

38,553

2,523

4.47

15.28

29,694

3,873

2.25

7.67

105

22,880

4,912

1.36

4.66

heating

Ambient

Temp

Water

Supply

Temp

Capacity

Chiller

Power

Chiller

COP

Deg F

BTU/hr

Watts

115

35,536

3,855

2.70

110

26,295

3,472

2.22

105

20,245

3,103

1.91

5-Ton SpacePak chiller

cooling (47°F water)

Ambient

Temp

Capacity

Chiller

Power

Chiller

COP

Chiller

EER

Deg F

BTU/hr

Watts

61,526

5,150

3.50

11.95

54,621

5,881

2.72

9.29

105

45,668

6,643

2.01

6.87

heating

Ambient

Temp

Water

Supply

Temp

Capacity

Chiller

Power

Chiller

COP

Deg F

BTU/hr

Watts

115

60,256

6,919

2.55

110

42,770

5,927

2.11

105

24,769

4,125

1.76

Содержание SCM-036

Страница 1: ...al contact SpacePak Technical Support for assis tance and supplemental instructions Call 413 564 5530 in Westfield MA or visit our website at www spacepak com to send an e mail or review technical literature Section 1 READ BEFORE PROCEEDING Model SCM overview 2 Section 2 Specifications and ratings Section 3 DIMENSIONS Section 4 LOCATION MOUNTING Prepare the unit 5 Location 5 Handling 5 Mounting pa...

Страница 2: ...cessor controller which operates the individual systems determines all operating parameters and monitors the condition of each system A simple interface communicates with the indoor air handler heat exchanger or other load Codes and electrical requirements This product must be installed in accordance with all appli cable codes Where instructions in this manual differ from specific local requiremen...

Страница 3: ...draw This pump is supplied by the installer Add the current draw of the pump to the values listed above Adjust the MCA accordingly Performance at 95 ambient temperature 45 water Performance at 47 ambient temperature 115 water Figure 2 Model SCM coding Typical model S C M 0 6 0 A 4 Position 1 2 3 4 5 6 7 8 Designation Unit Type Capacity Series Refrigerant type Values SCM SpacePak Heat Pump Chiller ...

Страница 4: ... Front to return Cabinet depth Mounting lug depth Mounting lug centers Bottom to return Bottom to supply Base to bottom edge of lower fan Overall Height Return connec tion Supply connec tion Overall width Mounting lug centers Lug center to edge SCM 036 1 10 17 3 4 17 3 8 15 3 4 5 1 2 15 1 4 25 53 1 NPT 1 NPT 43 3 8 27 1 2 7 15 16 SCM 060 1 10 17 3 4 173 8 15 3 4 5 1 2 15 1 4 25 53 1 NPT 1 NPT 43 3...

Страница 5: ...ir generated by the heat pump chiller All clearances must be maintained to ensure free air flow into and out of the enclo sure Make sure no other equipment located in the space will be affected by the unit s air flow Handling See Figure 4 Place padding at pressure points to prevent damage to the enclosure Use caution when handling The unit is heavy and could cause severe injury or damage if droppe...

Страница 6: ...e this valve to fill the system with the required glycol water mixture 1 SpacePak heat pump chiller 2 Pump by installer see instruc tions in this manual for sizing infor mation 3 Drain valve 4 Isolation valve typical install where shown 5 Y strainer must be installed where shown to prevent sediment from damaging or clogging the chiller heat exchanger 6 Expansion tank diaphragm or blad der type 7 A...

Страница 7: ...l SCM Air to Water Heat Pump Installation Operation Maintenance Manual Section 5 Glycol water system continued Figure 7 SpacePak Chiller with two air handlers parallel piping see page 8 for instructions see legend on page 6 ...

Страница 8: ...e sys tem Galvanizing will react with the glycol and can cause glycol degradation and sludge in the system 2 Charge the expansion tank to 15 PSIG with no water or pressure in the system 3 Install the system piping DO NOT connect the SpacePak unit to the system piping until the system has been cleaned as required below Clean the system 1 The SCM must NOT be connected to the system during this proce...

Страница 9: ...low for a pump load of no more than 5 amps at 110 VAC 2 5 amps at 230 VAC If the pump load exceeds this provide a separate power source to the pump DO NOT feed power to the pump from the SpacePak air handler panel Optional electric immersion heater Provide a separate power source and overcurrent protection for the optional heater if used Refer to the Installa tion and Operation Manual supplied wit...

Страница 10: ...For multiple air handler applications provide a 3 way valve to control water flow to the air handler When the zone thermostat activates the SCM the valve will be activated by the SpacePak air handler The valve load must not exceed 20 va at 24 VAC If the valve load is higher connect a relay coil to the air handler terminals Feed 24 VAC power to the valve through the relay from a separate 24 VAC tra...

Страница 11: ...L TRANSFORMER ELECTRONIC LEGEND 4VI REVERSING VALVE 1 4V2 REVERSING VALVE 2 HP1 HIGH PRESSURE CUTOUT SW HP2 HIGH PRESSURE CUTOUT SW LP1 LOW PRESSURE CUTOUT SW LP2 LOW PRESSURE CUTOUT SW FS WATER FLOW SWITCH OT LEAVING WATER TEMP CT11 OUTSIDE COIL TEMP CT21 OUTSIDE COIL TEMP AT AMBIENT TEMPERATURE CT12 INSIDE COIL TEMP SUT1 SYSTEM 1 SUCTION TEMP CT22 INSIDE COIL TEMP SUT2 SYSTEM 2 SUCTION TEMP 1 2 ...

Страница 12: ...he pump symbol will begin flashing 3 After 1 to 2 minutes the pump symbol will change to con stant display and the pump will begin circulating 4 Assuming the water is outside of the heating temperature range below 120 deg the refrigeration system will initiate and the 1 or 3 or both numerals will begin flashing 5 After 1 to 2 minutes the 1 or 3 or both numerals will change to constant the compress...

Страница 13: ... 13 P N SCM2 0111 Model SCM Air to Water Heat Pump Installation Operation Maintenance Manual Figure 12 Controller display Section 7 Start up and test continued ...

Страница 14: ...gh heat exchanger Flow should be a minimum of 11 GPM for SCM060 or 8 GPM for SCM036 Low compressor suction pres sure in cooling Insufficient no water flow Look for alarm symbol and FL fault code Clean strainer screen Clear blockage Remove air in piping Verify operation condition of water pump Cooling operation in low ambient Confirm outdoor ambient is lower than typical for cooling operation e g 5...

Страница 15: ...ions to reset cooling setpoints No load rapid temperature drop Ensure compressors are al lowed to run a minimum of three minutes before reaching desired temperature Verify cooling fuction when there is sufficient heat load to allow continuous operation Low outlet glycol water tempera ture in heating Dirty coil damaged or improperly operating fans Visually inspect coil condition and fan operation C...

Страница 16: ...low Antifreeze Protection Setpoint Check Flow Rate Check For Blockage in Piping FL Flow Switch Error Inadequate Water Flow Rate Verify or Increase Glycol Concentration and Contact Mestek Technical Support for Instructions to Lower Alarm Setpoint HP1 HP2 High Pressure Alarm System1 System2 Discharge Pressure Exceeds Maximum Allowable Cooling Mode Check for Dirty Coil Check for Restricted Air Flow C...

Страница 17: ...ol water system piping and components Repair or replace any defective components Repair all leaks im mediately Close the isolation valves on either side of the y strainer at the SpacePak heat pump chiller return connection Remove the screen and inspect for sediment Clean if necessary If the strainer has become clogged with sediment deter mine whether the system needs to be drained cleaned and re f...

Страница 18: ...tch HF68P 1 NPT 2000 3619 Relay JQX 105F 4 220 240V 30A 2000 3711 Transformer 41X26 5F 220 230VAC 50 60Hz 11 5VAC 0 6A 2001 3605 High Pressure Switch H20PS 3 2MPa 4 4MPa 2001 3608 Overload Pressure Switch H20PS 2 8MPa 3 6MPa 2003 1402 Electronic Modulating Valve SPF 16D32 9 5kW 2004 1437 4 Way Valve C03C01S SHF 9H 35U STF 0203G R410A 3404 3301 Fan Motor GAL045H6 225 K01 YDK 45X 6D 3500 2701 Propel...

Страница 19: ...ent Temp Water Supply Temp Capacity Chiller Power Chiller COP Deg F Deg F BTU hr Watts 45 115 35 536 3 855 2 70 32 110 26 295 3 472 2 22 20 105 20 245 3 103 1 91 5 Ton SpacePak chiller Cooling 47 F water Ambient Temp Capacity Chiller Power Chiller COP Chiller EER Deg F BTU hr Watts 82 61 526 5 150 3 50 11 95 95 54 621 5 881 2 72 9 29 105 45 668 6 643 2 01 6 87 Heating Ambient Temp Water Supply Tem...

Страница 20: ...roduct 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 can only be returned with prior written approval from the Manufacturer All returns must be freight prepaid b determination in the reasonable opinion of the Manufacturer that there exists a def...

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