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Installation, Operation and Maintenance
Packaged Water-to-Water Heat Exchanger
Model PWW
24 kW – 48 kW
For all questions or service, please contact Pfannenberg at:
Pfannenberg Inc. – USA.
68 Ward Road, Lancaster, New York 14086
Telephone +1 716-685-6866 – Fax +1 716-681-1521
mail@pfannenbergusa.com
–
www.pfannenbergusa.com
Document # 885501048c
January 2015
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Summary of Contents for Pfannenberg PWW 3482
- Page 1 Installation, Operation and Maintenance Packaged Water-to-Water Heat Exchanger Model PWW 24 kW – 48 kW For all questions or service, please contact Pfannenberg at: Pfannenberg Inc. – USA. 68 Ward Road, Lancaster, New York 14086 Telephone +1 716-685-6866 – Fax +1 716-681-1521 mail@pfannenbergusa.com...
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Page 2: Table Of Contents
Table of Contents Warnings, Precautions and Safety Notes ........................3 Unit Nameplate ..................................4 General Information ................................4 Receiving and Unpacking Unit ............................4 Unit Dimensions / Weights ............................. 5 Installation ..................................... 5 Fluid Connections ................................6 Fluid Type/Quality ................................. 7 Electrical Connections ................................ -
Page 3: Warnings, Precautions And Safety Notes
Warnings, Precautions and Safety Notes Only qualified personnel are allowed to install and operate this equipment, and/or perform maintenance work. All safety and security instructions given in this manual must be observed. National regulations on accident prevention, regulations of the local power supply authorities as well as any specific safety instructions for equipment must be observed. -
Page 4: Unit Nameplate
Receiving and Unpacking Unit Upon delivery of the unit, inspect the packaging for any sign of exterior shipping damage. Notify shipping company and Pfannenberg factory, if any unit damage is suspected. Damage should be documented using pictures and carrier’s delivery receipt. -
Page 5: Unit Dimensions / Weights
Avoid sudden movements, which can damage the frame and the internal components. Unit storage – Store unit in dry, secure area. Unit should be stored in ambient temperatures ranging from 0°F (-17°C) to 105°F (40.5°C.) Unit Dimensions / Weights Please refer to the general arrangement drawing (in document package) for unit dimensions, mounting locations and weights. -
Page 6: Fluid Connections
Standard unit connections are 1” JIC male, style. Refer to the flow schematic (in the document package) for connections size, type, field installed pipe specialties and fluid flow direction. Use proper inter-connecting hosing and pipe rated for system pressures and as per local/state ordinances. Contact Pfannenberg factory for assistance if necessary. -
Page 7: Fluid Type/Quality
Additionally, the concentration of the glycol solution will affect the capacity of the cooling equipment. For any questions or assistance, please contact the Pfannenberg factory. Use only (Ethylene or Propylene) glycol designed for commercial heating and cooling applications. -
Page 8: Electrical Connections
Electrical Connections Hazardous Voltage – This unit requires field connected electrical wiring by certified professional personnel. Follow all safety procedures. Improper electrical connections can cause serious injury or death. Use Copper Conductors Only – Unit connection points are not designed for any other type of conductors. -
Page 9: Equipment Start-Up Procedure
Equipment Start-Up Procedure Unit start-up should only be done by properly trained personnel. Improper startup procedures could result in personal injury, system damage and/or equipment damage In order to properly start-up a PWW unit, the following steps should be undertaken: 1. - Page 10 16. Re-install side access panels and secure with screws. 17. To adjust fluid setpoint - see controller information in document package 18. After proper installation, the equipment is self-regulating. 19. Contact Pfannenberg factory with any questions or concerns Document # 885501048c Page 10...
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Page 11: Maintenance
Maintenance will help insure a properly functioning unit and prolong equipment service life. Recommended maintenance procedures and inspections should be done at periodic intervals or as operating conditions require. Contact Pfannenberg factory with any maintenance questions. Recommended Maintenance Schedule Weekly •... -
Page 12: Troubleshooting
High return water temperature – A05 Check and confirm fluid flow alarm code High return water temperature – A05 Cooling load is too large. Possible wrong application, Contact Pfannenberg alarm code High return water temperature – A05 Supply water filter dirty/clogged. Clean fluid filter alarm code High return water temperature –... -
Page 13: Appendix
Appendix Pump Curves PWW 3482... - Page 14 PWW 3242...
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Page 15: Setpoint Control Logic
Setpoint Control Logic...
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