Calorex Pro-Pac 30 Technical Manual

Calorex Pro-Pac 30 Technical Manual

Air/water heat pumps
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Technical guide
Pro-Pac 30|45|70|90|140 H|HY
Air/water heat pumps

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Table of Contents
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Summary of Contents for Calorex Pro-Pac 30

  • Page 1 Technical guide Pro-Pac 30|45|70|90|140 H|HY Air/water heat pumps...
  • Page 2 Comprehensive engineering support is provided by our experienced and well qualified team. Calorex units are designed, tested and manufactured in the UK, and supported by our comprehensive customer service organisation Calorex reserves the right to modify these specifications at any time. For accurate sizing please contact Calorex.
  • Page 3: Table Of Contents

    2. Air flow 3. Plumbing 4. Typical installation diagram Electrical Specification of Calorex Pro-Pac 30 | 45 | 70 | 90 | 140 BH | BHY What is a WRAS approval? Technical data Heat pumps, specialist applications heaters H models...
  • Page 4: Calorex Model System Identification

    Calorex model system identification PP 30 B H Y Heat pump with reverse cycle defrost, operation down to -15°C Heat pump down to 7°C ambient H=water flow up to 70°C M= water flow up to 50°C Electrical supply 400V ~ 3N ~ 50Hz Model size Product "Pro-Pac"...
  • Page 5: Air/Water Heat Pumps

    Important Note Calorex heat pumps Limited is an ISO9001:2000 certified company. All Calorex heat pumps are CE approved. Heat exchangers within the heat pumps are compliant to WRAS (British Water Regulation Authority Standards) and listed under UL standards.
  • Page 6: The Heat Pump Cycle

    The heat pump cycle The Calorex heat pump provides thermodynamic heating by means of a vapour compression cycle, (similar to that employed in a conventional refrigerator), in addition to operating as an active solar collector. The EVAPORATOR collects the heat from the air. This is either atmospheric...
  • Page 7: Installation

    1. Siting/positioning a) Ensure heat pump on site is as ordered, i.e. model, electrical g) All Calorex heat pumps are by design as quiet as is practical, supply and factory fitted options. however due consideration should be given to siting in order to fully exploit this feature, i.e.
  • Page 8: Air Flow

    2. If the unit is installed within a plant-room, connected to ductwork, Calorex can supply the unit with an uprated fan Free area is the available area that air can pass through a grille motor.
  • Page 9: Plumbing

    1½" BSPM Pro-Pac 140 2" BSPM b) If an existing heater is retained, the Calorex heat pump f) When the pipework installation is complete the system should be connected in parallel with it. should be run and tested for leaks. If everything is then...
  • Page 10: Electrical

    Inconsistent electrical supply Interlock The following limits of operation must not be exceeded if Calorex machines are to be guaranteed either in performance or These units have an interlock circuit incorporated into the warranty terms. control circuit, brought out to two terminals. These terminals are shorted out for factory testing.
  • Page 11 Electrical Electrical (machine wiring and supply) Fig. 5 Recommended electrical installation for Calorex heat pump with single phase water pump Fig. 6 Recommended electrical installation for Calorex heat pump with three phase water pump...
  • Page 12: Specification Of Calorex Pro-Pac 30 | 45 | 70 | 90 | 140 Bh | Bhy

    Specifications Calorex Pro-Pac 30 | 45 | 70 | 90 | 140 BH | BHY Automatic hot water heat pumps BH models shall be provided with a defrost limit thermostat to provide automatic evaporator defrosting. BHY models shall be provided with fully automatic reverse cycle defrost mechanism to give operation down to -15°C air temperature.
  • Page 13: What Is A Wras Approval

    What is a WRAS approval? Any water fitting which, when installed, will carry or receive water from the public mains water supply in the UK, must comply with the Water Supply (Water Fittings) Regulations or Scottish Byelaws. These require that a water fitting should not cause waste, misuse, undue consumption or contamination of the water supply and must be ‘of an appropriate quality and standard’.
  • Page 14: Technical Data

    1 l/min = 0.22 gall/min 3) Minimum air temperature standard models (BH) 7°C. 4) Calorex reserve the right to change or modify models without prior notice. 5) Global warming potential (GWP) R134a 1300. 6) Performance data below 10°C is derated to account for defrost periods.
  • Page 15: Heat Pumps, Specialist Applications Heaters Hy Models

    1 l/min = 0.22 gall/min 3) Minimum air temperature standard models (BH) 7°C. Reverse cycle defrost models (BHY) -15°C. 4) Calorex reserve the right to change or modify models without prior notice. 5) Global warming potential (GWP) R134a 1300. 6) Performance data below 10°C is derated to account for defrost periods.
  • Page 16: Performance Graphs

    Performance graphs PP30BHY 30.00 Water temperature (°C) Heat output (kW) 25.00 20.00 15.00 Water temperature (°C) 10.00 Power input (kW) 5.00 0.00 Air temperature (°C) PP45BHY 35.00 Water temperature (°C) Heat output (kW) 30.00 25.00 20.00 15.00 Water temperature (°C) 10.00 Power input (kW) 5.00...
  • Page 17 PP70BHY 60.00 Water temperature (°C) 50.00 Heat output (kW) 40.00 30.00 Water temperature (°C) 20.00 Power input (kW) 10.00 0.00 Air temperature (°C) PP90BHY 70.00 Water temperature (°C) 60.00 Heat output (kW) 50.00 40.00 30.00 Water temperature (°C) 20.00 Power input (kW) 10.00 0.00 Air temperature (°C)
  • Page 18: Installation Drawings

    Installation drawings...
  • Page 19 Installation drawings cont.
  • Page 20 Installation drawings cont.
  • Page 21 Installation drawings cont.
  • Page 22 Installation drawings cont.
  • Page 23: Winterising Procedure

    Winterising procedure Warning Isolate machine before opening! As the heat pump embodies electrical and rotational equipment, it is recommended for your own safety that a competent person carries out the following procedure. Drain down procedure Start up procedure after winterisation 1.
  • Page 24 Technical support and service Comprehensive technical support is provided by our experienced and well qualified team Calorex Heat Pumps Ltd The Causeway Maldon Essex CM9 4XD United Kingdom t. +44 (0)1621 856611 e. sales@calorex.com w. calorex.com Pro-Pac technical guide v1.1...

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