Rinnai Enviroflo EHPA315VMA Operation & Installation Manual

Rinnai Enviroflo EHPA315VMA Operation & Installation Manual

Heat pump hot water system
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This manual does NOT
apply to any other models
Enviroflo Heat Pump Hot Water Systems
Operation & Installation Manual
MODELS
EHPA250VMA
EHPA250VMAW
EHPA250VMAH
EHPA250VMAWH
EHPA315VMA
EHPA315VMAW
EHPA315VMAH
EHPA315VMAWH

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Summary of Contents for Rinnai Enviroflo EHPA315VMA

  • Page 1 MODELS EHPA250VMA EHPA315VMA EHPA250VMAW EHPA315VMAW EHPA250VMAH EHPA315VMAH EHPA250VMAWH EHPA315VMAWH This manual does NOT apply to any other models Enviroflo Heat Pump Hot Water Systems Operation & Installation Manual...
  • Page 2 NOT SUITABLE AS A POOL OR SPA HEATER For continued safety of this appliance it must be installed and maintained in accordance with the manufacturer’s instructions. AS/NZS 2712 AS3498 Lic W00169 Lic No. 1849 SAI Global SAI Global Rinnai EHPA_VMA Series 2 Heat Pump OIM...
  • Page 3: Table Of Contents

    Conducting Insulation (Megger) Tests ���������������������������������������������������������������������������������������������������������� 19 Electrical Connections ����������������������������������������������������������������������������������������������������������������������������������� 19 Wiring Diagram ����������������������������������������������������������������������������������������������������������������������������������������������� 21 Filling the System ������������������������������������������������������������������������������������������������������������������������������������������� 21 Finishing the Installation ������������������������������������������������������������������������������������������������������������������������������� 21 Operation Sequence of Controller ��������������������������������������������������������������������������������������������������������������� 22 Controller LED Flashing Codes �������������������������������������������������������������������������������������������������������������������� 23 Contact Rinnai EHPA_VMA Series 2 Heat Pump OIM...
  • Page 4: Warnings And Important Information

    For safety and warranty purposes, appliances that may be damaged or incorrect must not be installed or operated under any circumstances� Installation of damaged or incorrect appliances may contravene local government regulations� Rinnai disclaims any liability or responsibility whatsoever in relation to the installation or operation of damaged or incorrect appliances�...
  • Page 5: 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 6: 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_VMA Series 2 Heat Pump OIM...
  • Page 7: Operation Principle

    ECO The water will be heated to 55°C by economical use of the compression system (this is the factory default). ERR This will flash red only if an error is detected with the heat pump operation, please call Rinnai for assistance if this should occur, and refer to “Save a Service Call”...
  • Page 8: 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 9: Anode

    It is recommended that the anode be inspected at least every 5 years. The factory fitted Rinnai anode is Magnesium based. This anode is suitable when the total dissolved solids (TDS) content in the water supply does not exceed 600 mg/L, which is the case in most areas. In areas where the total dissolved solids (TDS) content in the water supply exceeds 600 mg/L the Rinnai aluminium based anode is required.
  • Page 10: 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 11 Red ERR indicator is flashing This will flash if an error is detected with the heat pump operation, please on the Display & Control Panel call Rinnai for assistance if this should occur. Rinnai EHPA_VMA Series 2 Heat Pump OIM...
  • Page 12: Specifications

    Over pressure (551 Psi) or over temperature (110°C) in the refrigerant system 32.6°C Ambient Coefficient Of 7.22 Performance (COP) 21.1°C cold water inlet 32.6°C Ambient Heat Output 5.20 kW 21.1°C cold water inlet Rinnai EHPA_VMA Series 2 Heat Pump OIM...
  • Page 13: Dimensions

    SPECIFICATIONS DIMENSIONS EHPA250VMA / EHPA250VMAW / EHPA315VMA / EHPA315VMAW / EHPA250VMAH / EHPA250VMAWH) EHPA315VMAH / EHPA315VMAWH) Cylinder height 1847 2134 Hot Outlet / PTR 1215 1430 Cold water inlet Cylinder diameter Unit Width Rinnai EHPA_VMA Series 2 Heat Pump OIM...
  • Page 14: Clearances

    Allow 500mm on the fan discharge side and 150 mm clearance on the fan suction side to allow for sufficient air flow through the fan. All measurements outlined below are minimums. 100 mm minimum from the wall Minimum 150 mm Minimum 500 mm Minimum 300 mm Minimum 150 mm Minimum 500 mm Rinnai EHPA_VMA Series 2 Heat Pump OIM...
  • Page 15: Installation

    Away from any ignition sources or corrosive environments. If the heat pump is installed internally careful consideration should be taken in regards to positioning and limiting the effect of unit noise and reverberation during operation. Rinnai EHPA_VMA Series 2 Heat Pump OIM...
  • Page 16: Condensation

    AS/NZS3500.4 • An approved pressure limiting valve (supplied with some systems) is required if the maximum rated water supply pressure on page 12 is exceeded. • Tempering valve(s) or thermostatic mixing valve Rinnai EHPA_VMA Series 2 Heat Pump OIM...
  • Page 17: 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 18: Connect The Ptr Valve

    A temperature limiting device may be required as detailed in the section the section ‘Hot Water Delivery Temperature’ on page 16 It is recommended that all hot water lines are insulated with high temperature, UV resistant 13mm closed cell insulation. Rinnai EHPA_VMA Series 2 Heat Pump OIM...
  • Page 19: Connect Condensate Drain Line

    MUST be incorporated in the fixed wiring in accordance with the wiring rules� 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_VMA Series 2 Heat Pump OIM...
  • Page 20 24 hour continuous tariff supply is recommended� EARTH Disconnect all power prior to installation and commissioning. This appliance is designed for single phase 240 Volts, AC mains electrical operation. Rinnai EHPA_VMA Series 2 Heat Pump OIM...
  • Page 21: Wiring Diagram

    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_VMA Series 2 Heat Pump OIM...
  • Page 22: Operation Sequence Of Controller

    Compressor Discharge Temperature Sensor HMI (Accessory for service) Port Fan Coil (Evaporator) Temperature Sensor Compressor, Element , Main Power High Pressure Switch 2 Amp Fuse EEV Output (Electric Expansion Valve) Fan, Pump, Defrost Power Rinnai EHPA_VMA Series 2 Heat Pump OIM...
  • Page 23: Controller Led Flashing Codes

    No. 7 & No. 3 Element (L3) ON No. 7 & No. 4 Defrost Solenoids (L4) ON Any changes to the normal operating settings may adversely affect the performance of the heat pump. Rinnai EHPA_VMA Series 2 Heat Pump OIM...
  • Page 24: Contact

    (National calls from public phones in Australia are free.) For further information visit www.rinnai.com.au or email enquiry@rinnai.com.au 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.

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