Rinnai Enviroflo EHPA250VM Operation & Installation Manual

Heat pump hot water systems

Advertisement

Operation Installation Manual
Rinnai Enviroflo
Heat Pump Hot Water Systems
This system shall be installed, commissioned and serviced by an authorised
person in accordance with:
• Manufacturer's Instructions
• Current AS/NZS 3500
Issue
A
• All applicable local rules and regulations including local OH&S requirements
N10378
FOR EXTERNAL INSTALLATION ONLY
AS/NZS 2712
AS3498 Lic W00169
Lic No. 1849
SAI Global
NOT SUITABLE AS A POOL OR SPA HEATER
SAI Global

Advertisement

Table of Contents
loading

Summary of Contents for Rinnai Enviroflo EHPA250VM

  • Page 1 Operation Installation Manual Rinnai Enviroflo Heat Pump Hot Water Systems This system shall be installed, commissioned and serviced by an authorised person in accordance with: • Manufacturer’s Instructions • Current AS/NZS 3500 Issue • All applicable local rules and regulations including local OH&S requirements...
  • Page 2: Table Of Contents

    Connect Cold / Hot Water Supply ��������������������������������������������������������������������������������������������������������������������� 18 Connect Condensate Drainline ������������������������������������������������������������������������������������������������������������������������ 19 Electrical Connections �������������������������������������������������������������������������������������������������������������������������������������� 19 Filling the System ��������������������������������������������������������������������������������������������������������������������������������������������� 21 Finishing the Installation ����������������������������������������������������������������������������������������������������������������������������������� 21 Operation Sequence of Controller ������������������������������������������������������������������������������������������������������������������� 22 Controller LED Flashing Codes ����������������������������������������������������������������������������������������������������������������������� 23 ContactInformation Rinnai EHPA Heat Pump OIM...
  • Page 3: Warnings And Important Information

    Only a licensed person will have insurance protecting their workmanship. So make sure you use a licensed person to install this appliance and ask for your Compliance Certificate. For further information contact the Victorian Building Authority on 1300 815 127 Rinnai EHPA Heat Pump OIM...
  • Page 4: Transport And Storage Of Appliance

    As a general good practice it is better to keep the compressor upright as much as possible to avoid any risks. Returning the Rinnai Electric Heat Pump to a vertical position will not allow the oil to properly flow back into the compressor motor.
  • Page 5: Scald Hazards

    NEVER…. Leave a toddler in the care of another child. They may not understand the need to have the water temperature set at a safe level. Rinnai EHPA Heat Pump OIM...
  • Page 6: Operation Principle

    Cold water inlet pipe Fan Coil Unit Circulation Pump Compressor Plate Heat Exchanger Heating Element Hot Water from Heat Exchanger to the Tank 10. Water Temperature Sensor Inlet Ambient Air 11. PTR Valve Outlet Air Rinnai EHPA Heat Pump OIM...
  • Page 7: Safety Devices

    If the valve leaks continuously, try easing the valve gear for a few seconds. This may dislodge any foreign matter and alleviate the problem. If this does not alleviate the problem contact Rinnai. Operate the easing gear regularly to remove any lime deposits and to verify that it is not blocked.
  • Page 8: Hydrogen Gas

    Operate the easing gear of the PTR and the ECV if fitted as described in the section ‘Safety Devices’ on page 7the section ‘Safety Devices’ on page 7. The overflow tray (supplied by installer) and drain underneath the storage cylinder (if fitted) should be periodically checked to ensure there are no blockages. Rinnai EHPA Heat Pump OIM...
  • Page 9: Save A Service Call

    SAVE A SERVICE CALL Rinnai’s servicing network personnel are fully trained and equipped to give the best service on your Rinnai appliance. If your appliance needs service, ring one of the service contact numbers on the back of this booklet.
  • Page 10 HEAT PUMP ICES UP Defrosting function The heat pump has a built in hot by pass defrosting function which may operate and remove any ice. Rinnai EHPA Heat Pump OIM...
  • Page 11: Specifications

    The heat pump has protection systems that will stop the operation of the unit if: Suction pressure drops due to refrigerant charge loss or air flow blockage Protection Systems Over pressure (551 Psi) or over temperature (110°C) in the refrigerant system Rinnai EHPA Heat Pump OIM...
  • Page 12: Dimensions

    SPECIFICATIONS DIMENSIONS EHPA250VM EHPA315VM Cylinder height 1872 2165 Hot Outlet / PTR 1248 1541 Cold water inlet Cylinder diameter Diameter Cold Inlet Rinnai EHPA Heat Pump OIM...
  • Page 13: Clearances

    SPECIFICATIONS CLEARANCES Allow 700mm on the fan discharge side and 150 mm clearance on the fan suction side to allow for sufficient air flow through the fan. 150 mm 700 mm 150 mm 700 mm Rinnai EHPA Heat Pump OIM...
  • Page 14: Installation

    The air inlet and outlet of the heat pump module MUST BE away from areas with strong wind and MUST BE be provided with sufficient clearances as per those shown in the section ‘’ on page 12 The heat pump must be connected to an independent AC 240 V, 50 Hz power supply. Rinnai EHPA Heat Pump OIM...
  • Page 15: Water Supply

    AS/NZS3500.4 • An approved pressure limiting valve (supplied with some systems) is required if the maximum rated water supply pressure on page 11 is exceeded. • Tempering valve(s) or thermostatic mixing valve Rinnai EHPA Heat Pump OIM...
  • Page 16: Transport And Handling

    As a general good practice it is better to keep the compressor upright as much as possible to avoid any risks. Returning the Rinnai Electric Heat Pump to a vertical position will not allow the oil to properly flow back into the compressor motor.
  • Page 17: Connect The Ptr Valve

    This water heater is designed for direct connection to water supply pressures of no greater than those specified on page 11. Where the mains pressure can exceed or fluctuate beyond this, a pressure limiting device (complying with AS1357) must be fitted. Rinnai EHPA Heat Pump OIM...
  • Page 18: Connect Cold / Hot Water Supply

    A temperature limiting device may be required as detailed in the section the section ‘Hot Water Delivery Temperature’ on page 15 It is recommended that all hot water lines are insulated with high temperature, UV resistant 13mm closed cell insulation. Rinnai EHPA Heat Pump OIM...
  • Page 19: Connect Condensate Drainline

    A Residual Current Circuit Breaker is recommended for the power supply to this appliance (this may be a mandatory requirements in some states or jurisdictions). Rinnai EHPA Heat Pump OIM...
  • Page 20 Note that the unit must be always connected to a continuous tariff (not off peak). Disconnect all power prior to installation and commissioning. This appliance is designed for single phase 240 Volts, AC mains electrical operation. Rinnai EHPA Heat Pump OIM...
  • Page 21: Filling The System

    Explain to the householder the need to drain the heat pump if freezing conditions are likely and power is likely to be shut off. Also explain to the householder the importance of carrying out maintenance in accordance with this manual. Leave this manual with the householder. Rinnai EHPA Heat Pump OIM...
  • Page 22: Operation Sequence Of Controller

    Low Pressure Switch Ambient Temperature Sensor High Pressure Switch Water Tank Temperature Sensor Programming Port Compressor Discharge Temperature Sensor Compressor, Element , Main Power Fan Coil (Evaporator) Temperature Sensor 2 A Fuse LED Lights Fan, Pump, Defrost Rinnai EHPA Heat Pump OIM...
  • Page 23: Controller Led Flashing Codes

    No 7 + No 3 On Element (L3) On No 7 + No 4 On Defrost Solenoids (L4) ON Any changes to the normal operating settings may adversely affect the performance of the heat pump Rinnai EHPA Heat Pump OIM...
  • Page 24: ContactInformation

    P.O. Box 460 Braeside, Victoria 3195 Rinnai has a Service and Spare Parts network with personnel who are fully trained and equipped to give the best service on your Rinnai appliance. If your appliance requires service, please call our National Help Line. Rinnai recommends that this appliance be serviced every 3 years.

This manual is also suitable for:

Enviroflo ehpa315vm

Table of Contents