Rheem RTHP067YT-4QH-1 Owner's Manual And Installation Instructions
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Rheem RTHP067YT-4QH-1 Owner's Manual And Installation Instructions

Rheem RTHP067YT-4QH-1 Owner's Manual And Installation Instructions

Wave commercial air to water inverter pool heat pumps
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Owners Guide
and
Installation Instructions
Rheem Wave Commercial Air to Water
Inverter Pool Heat Pumps
WARNING: THIS POOL HEATER CONTAINS A2L LOW BURNING
VELOCITY MATERIAL (REFRIGERANT)
This pool heater must be installed and serviced by a qualified person.
Please leave this guide with a responsible officer.

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Summary of Contents for Rheem RTHP067YT-4QH-1

  • Page 1 Owners Guide Installation Instructions Rheem Wave Commercial Air to Water Inverter Pool Heat Pumps WARNING: THIS POOL HEATER CONTAINS A2L LOW BURNING VELOCITY MATERIAL (REFRIGERANT) This pool heater must be installed and serviced by a qualified person. Please leave this guide with a responsible officer.
  • Page 2 This pool heater may be protected by one or more patents or registered designs. TRADEMARKS ® Registered trademark of Rheem Australia Pty Ltd. Trademark of Rheem Australia Pty Ltd. NOTE: Every care has been taken to ensure accuracy in preparation of this publication.

  • Page 3: Table Of Contents

    Rheem warranty. We recommend you read pages 8 to 23, and the terms of the Rheem warranty on pages 4 to 7. The other pages are intended for the installer but may be of interest.

  • Page 4: Rheem Heat Pump Pool Heater Warranty - Anz Only

    The decision of whether to repair or replace a faulty component is at Rheem’s sole discretion. If you require a call out and we find that the fault is not covered by the Rheem warranty, you are responsible for our standard call out charge. If you wish to have the relevant component repaired or replaced by Rheem, that service will be at your cost.
  • Page 5 This warranty only applies to the original and genuine Rheem pool heater in its original installed location and any genuine Rheem replacement parts.
  • Page 6 3. WHAT IS COVERED BY THE RHEEM WARRANTY FOR THE POOL HEATERS DETAILED IN THIS DOCUMENT Rheem will repair or replace a faulty component of your pool heater if it fails to operate in accordance with its specifications as follows:...
  • Page 7 The Rheem warranty (set out above) is in addition to any rights and remedies that you may have under the Australian Consumer Law.
  • Page 8 If the electrical conduit to the pool heater is damaged, it must be replaced by a qualified person in order to avoid a hazard. Phone Rheem Service or their nearest Accredited Service Agent / Centre to arrange for an inspection.

  • Page 9: Installation Notes

    If a leak is detected or suspected, all naked flames shall be removed/extinguished, and no hot work is to be performed. Phone your nearest Rheem Service Department or Accredited Service Agent (or Service Centre in NZ) to arrange for an inspection.
  • Page 10 • compliance with Australian / New Zealand Wiring Rules AS/NZS 3000, ▪ A 30mA RCD must be installed in the switchboard in the electrical circuit to the pool heater. ▪ An isolation switch must be installed at the switchboard in the electrical circuit to the pool heater, and also adjacent to the pool heater, in accordance with the Wiring Rules, so the pool heater can be switched “Connections –...

  • Page 11: About Your Pool Heater

    ® Congratulations for choosing a Rheem Wave Commercial Air to Water (A2W) Inverter Pool Heat Pump. The Rheem A2W heat pump pool heater is designed for outdoor installation and must not be installed indoors. HOW HOT SHOULD THE WATER BE? The heat pump (compressor, evaporator and condenser) will operate until the pool water temperature reaches the set point.
  • Page 12 ABOUT YOUR POOL HEATER To engage beast mode: Tap ‘Prg’ from the Main control panel home screen and the Set Point page will appear. Tap ‘down’ until the Beast Mode Engage page appears. Tap ‘enter’ to access change. Tap ‘up’ or ‘down’ to select ‘Yes’. Tap ‘enter’...
  • Page 13 ABOUT YOUR POOL HEATER TO TURN ON THE POOL HEATER First, ensure the system is filled with water and all valves between the pool (and/or spa) and the pool heater are in the correct position to permit water flow through the heat pump. Tap ‘Esc’...
  • Page 14 The refrigerant must not be vented to atmosphere. Phone your nearest Rheem Service Department or Accredited Service Agent (or Service Centre in NZ) to arrange for an inspection.

  • Page 15: How Your Pool Heater Works

    HOW YOUR POOL HEATER WORKS The Rheem Wave Commercial Air to Water Inverter Pool Heat Pump is a monobloc type suitable for outdoor installation only. The pool heater produces a sound level of up to 67 dBA (measured at 3 metres) when it is operating and utilises refrigeration principles to transfer heat between the atmosphere and water flowing through the pool heater.

  • Page 16: Frost Protection

    Refer to page 79. Freeze damage is not covered by the Rheem warranty. THERMAL CUT OUT The refrigeration circuit is protected by thermal sensors. These will activate a thermal cut out in the event of excessive heat in the refrigeration system.
  • Page 17 HOW YOUR POOL HEATER WORKS OPTIONAL POWER METER KIT An optional power meter kit enables energy monitoring. Models fitted with an optional power meter kit have an ‘X’ suffix in the model number e.g. RTHP067YT- 4QVX-1 CONTROL FUNCTIONALITY The controller provides a user friendly interface for control and diagnostics and provides comprehensive temperature management for all season comfort.
  • Page 18 67kW or 98kW heat pump that does not have a power meter kit fitted. Modbus RS485, BACnet MS-TP or BACnet TCP/IP Ethernet interface cards, supplied by Rheem as an accessory, are required for any other configuration. Contact Rheem for further information on BMS.

  • Page 19: Maintenance Requirements

    It is recommended the commercial heat pump be serviced annually, to retain optimum performance. Servicing must be performed only as recommended by Rheem Australia. Servicing and/or breaking into the sealed refrigeration system, including refrigerant charging, must only be performed by suitably qualified persons and only in conjunction with the safety warnings and procedures detailed in the pool heater service manual.

  • Page 20: Water Chemistry And Treatment

    2 ~ 3 2 ~ 3 Adverse water chemistry may have detrimental effects on pool heater components and fittings and exceeding the following values will void the Rheem warranty: • pH must be kept between 7.2 and 7.8 • Alkalinity must not exceed 200 PPM •...

  • Page 21: Save A Service Call

    Is the alarm light flashing RED on pool heater controller? If the alarm light is flashing RED, check the alarm by pressing the alarm button. Phone your nearest Rheem Service Department or Accredited Service Agent (or Service Centre in NZ) to inform about the alarm.
  • Page 22 SAVE A SERVICE CALL The pool heater has a water flow switch, and if water flow is not detected the heat pump will not operate and display an alarm on the control panel. The pool heater will make two more attempts to start. If water flow is not detected after the third attempt, the system will enter lock out.
  • Page 23 The higher the set point temperature the higher the energy usage. Consider reducing the set point temperature to reduce running costs. IF YOU HAVE CHECKED ALL THE FOREGOING AND STILL BELIEVE YOU NEED ASSISTANCE, CALL YOUR NEAREST RHEEM SERVICE DEPARTMENT OR ACCREDITED SERVICE AGENT.

  • Page 24: Installation

    INSTALLATION THIS POOL HEATER IS FOR OUTDOOR INSTALLATION ONLY. THIS POOL HEATER IS NOT SUITABLE FOR POTABLE WATER HEATING APPLICATIONS. INSTALLATION STANDARDS The pool heater must be installed: by a qualified person, and in accordance with the installation instructions, and in compliance with the Plumbing Code of Australia (PCA), Standards AS/NZS 3500.4, AS/NZS 3000, AS/NZS 60335.2.40-2019 and/or ISO 5149.3- 2014 and all local codes and regulatory authority requirements.
  • Page 25 INSTALLATION POOL HEATER LOCATION The pool heater is designed for outdoor installation and must not be installed indoors. The pool heater must not be operated until the system has been filled with water and all valves are in the correct position to permit water flow through the unit. Clearance must be allowed for correct air flow and for servicing the pool heater, and where multiple heat pumps are to be installed, additional clearances must be provided.
  • Page 26 Note: If the heat pump is damaged as a result of attaching pipe clips or saddling to the jacket, any resultant faults will not be covered by the Rheem warranty.
  • Page 27 INSTALLATION Typical Installation of Single Heat Pump Plumbed into Existing Pool Filtration System • Plumbing and flow rate must be according to circulating pump and plumbing requirements on page 37. • The filtration system pump must be operating for the heat pump to operate.
  • Page 28 INSTALLATION Typical Retrofit Installation of Single Heat Pump with Dedicated Circulating Pump Controlled By the Heat Pump • Plumbing and flow rate must be according to circulating pump and plumbing requirements on page 37.
  • Page 29 INSTALLATION Typical Manifold Installation of Multiple Heat Pumps • Manifolds, branch lines and flow rate must be according to manifold installation requirements on page 39.
  • Page 30 INSTALLATION Typical Manifold Installation of Multiple Heat Pumps with Optional Spa and Motorised Diverter Valves • Manifolds, branch lines and flow rate must be according to manifold installation requirements on page 39.
  • Page 31 INSTALLATION Dimensions and Technical Data – 67kW Models RHEEM A2W 67kW – Horizontal Discharge RHEEM A2W 67kW – Vertical Discharge RTHP067YT-4QH-1 RTHP067YT-4QV-1...
  • Page 32 INSTALLATION Dimensions and Technical Data – 98kW Models RHEEM A2W 98kW – Horizontal Discharge RHEEM A2W 98kW – Vertical Discharge RTHP098YT-4QH-1 RTHP098YT-4QV-1...
  • Page 33 INSTALLATION Dimensions and Technical Data – 133kW Models & 203kW Models RHEEM A2W 133kW – Vertical Discharge RHEEM A2W 203kW – Vertical Discharge RTHP133YT-4QV-1 RTHP203YT-4QV-1...
  • Page 34 INSTALLATION Dimensions and Technical Data – 250kW Models RHEEM A2W 250kW – Vertical Discharge RTHP250YT-4QV-1...
  • Page 35 INSTALLATION CLEARANCES 67kW 98kW 133kW 203kW 250kW Sides Unit Models Models Models Models Models Evaporator Coil Side 1000 1000 1000 1000 1000 Back (vertical discharge models) 1000 1000 1000 Back (horizontal discharge models) 3500 3500 Display Side Water Connections Side Top (vertical discharge models) 3500 3500...

  • Page 36: Heat Pump And Tank Assembly

    HEAT PUMP ASSEMBLY POOL HEATER LOCATION The pool heater is designed for outdoor installation and must not be installed indoors. The pool heater must not be operated until the system has been filled with water and all valves are in the correct position to permit water flow through the unit. Clearance must be allowed for correct air flow and for servicing the pool heater, and where multiple heat pumps are to be installed, additional clearances must be provided.
  • Page 37 HEAT PUMP ASSEMBLY CIRCULATING PUMP AND PLUMBING REQUIREMENTS Inadequate or excessive water flow is detrimental to heating efficiency and can cause damage to the heat pump, therefore it is essential that the water circulating pump and system pipe sizes be engineered to suit the particular application to provide the correct water flow rate through the heat pump.
  • Page 38 HEAT PUMP ASSEMBLY valve MUST be installed after the heat pump to prevent chemical back flow into the heat pump when the circulating pump is shut off. Multiple heat pump (manifold) installations must have these components installed in the return line after the last heat pump.

  • Page 39: Manifold Installations

    MANIFOLD INSTALLATIONS MANIFOLDING – MULTIPLE HEAT PUMP INSTALLATIONS The manifold plumbing diagrams starting on page 29 detail typical plumbing diagrams for various multiple heat pump applications. In order for systems with two or more heat pumps to operate correctly, the water flow through all heat pumps must be the same.
  • Page 40 MANIFOLD INSTALLATIONS Manifold And Branch Sizing Pipe sizing should be carried out by persons competent to do so, choosing the most suitable pipe size for each individual application in consideration with friction loss that may occur due to long runs or excessive bends. Reference to pool heater specifications and local regulatory authority requirements must be made.

  • Page 41: Connections - Plumbing

    CONNECTIONS – PLUMBING CONNECTION SIZES 67kW 203kW Model 133kW 98kW 250kW Water inlet (PVC male mm I.D) Water outlet (PVC male mm I.D) Condensate drain (mm O.D) All plumbing work must be carried out by a qualified person and in accordance with the Plumbing Standard AS/NZS 3500.4 and local authority requirements.

  • Page 42: Pipe Sizes

    CONNECTIONS - PLUMBING outlet manifolds (not heater inlet and outlet connections) to facilitate adjustment of the flow rate through the heat pumps. Refer to circulating pump and plumbing requirements on page 37 for more information. PIPE SIZES Pipe sizing should be carried out by persons competent to do so, choosing the most suitable pipe size for each individual application in consideration with friction loss that may occur due to long runs or excessive bends.

  • Page 43: Connections - Electrical

    CONNECTIONS – ELECTRICAL The power supply to the pool heater must not be switched on until the pool heater is filled with water and a satisfactory megger reading is obtained. MEGGER READING When a megger test is conducted on this pool heater, then the following should be noted: Warning: This pool heater contains electronic equipment, and 500 V insulation tests must only be conducted between actives and earth and between...

  • Page 44: Circulating Pump

    CONNECTIONS - ELECTRICAL Electrical Data Table Model 67kW 98kW 133kW 203kW 250kW Electrical Connection 3 Phase / 380-415 Volts / 50/60 Hz Max Current per Phase 26.4 A 35.6 A 48.8 A 73.9 A 106.0 A (running, excluding pump) Minimum CB Size 32 A 40 A 65 A...

  • Page 45: Remote On/Off Control

    Volt free connection only – Do not apply a voltage. Any resultant faults caused by applying a voltage to volt free terminals will not be covered by the Rheem warranty. Note: Maximum cable length is 30 meters using telephone cabling or 200 meters using AWG24 shielded cable.
  • Page 46 BMS. Modbus RS485, BACnet MS-TP or BACnet TCP/IP Ethernet interface cards, supplied by Rheem as an accessory, are required for any other configuration. Continued on next page...
  • Page 47 CONNECTIONS - ELECTRICAL If an interface card is required, it plugs into the Rheem IQ controller (PCB) as depicted opposite. Each heat pump must have its own BMS card and connection. If required, insert the BMS card into the connector for each heat pump, taking care that the card is firmly placed as shown in red circle.
  • Page 48 CONNECTIONS - ELECTRICAL 67KW HEAT PUMP WIRING DIAGRAM – WITHOUT POWER METER KIT...
  • Page 49 CONNECTIONS - ELECTRICAL 67KW HEAT PUMP WIRING DIAGRAM – WITH POWER METER KIT...
  • Page 50 CONNECTIONS - ELECTRICAL 98KW HEAT PUMP WIRING DIAGRAM – WITHOUT POWER METER KIT...
  • Page 51 CONNECTIONS - ELECTRICAL 98KW HEAT PUMP WIRING DIAGRAM – WITH POWER METER KIT...
  • Page 52 CONNECTIONS - ELECTRICAL 133KW PUMP WIRING DIAGRAM – WITHOUT POWER METER KIT...
  • Page 53 CONNECTIONS - ELECTRICAL 133KW PUMP WIRING DIAGRAM – WITH POWER METER KIT...
  • Page 54 CONNECTIONS - ELECTRICAL 203KW HEAT PUMP WIRING DIAGRAM – WITHOUT POWER METER KIT...
  • Page 55 CONNECTIONS - ELECTRICAL 203KW HEAT PUMP WIRING DIAGRAM – WITH POWER METER KIT...
  • Page 56 CONNECTIONS - ELECTRICAL 250KW HEAT PUMP WIRING DIAGRAM – WITHOUT POWER METER KIT...
  • Page 57 CONNECTIONS - ELECTRICAL 250KW HEAT PUMP WIRING DIAGRAM – WITH POWER METER KIT...
  • Page 58 CONNECTIONS - ELECTRICAL CONTROLLER AND DISPLAY INFORMATION Rheem parameter sheets 0013, 0015 START Tap Esc to enter A2WHC Software V2.0.2 main menu (greyed) D. Input/Output E. Alarm History G. Service H. Manufacturer I. Logout A. On/Off Unit B. Setpoint C. Clock/Scheduler F.
  • Page 59 CONNECTIONS - ELECTRICAL Notes: If no keys are touched for 60 seconds, screen reverts to home screen and any changes made and not confirmed will be lost. Set Point Quick Setting Tap ‘Prg’ from the Main control panel home screen and the Setpoint page will appear.
  • Page 60 CONNECTIONS - ELECTRICAL iv. Timezone: Default setting ‘No’ (enables time zones to apply to Scheduler, Tariff and Night Mode functions). The following information details previous Clock / Scheduler functions when set to ‘Yes’: i. Enabling Scheduler to ‘Yes’ will open a 2 page which will allow the user to program specified operating times on a 7-day basis.
  • Page 61 CONNECTIONS - ELECTRICAL D. Input/output View – Displays the actual readings as follows: Hot Enter Temp: Pool water temperature entering and leaving the condenser heat exchanger Hot Leave Temp: Compressor 1 – Low Press: Sat. Suction Temp: Compressor temperature and pressure readings Suction Temp: High Press: Sat.
  • Page 62 CONNECTIONS - ELECTRICAL on the Sub control panel with ‘Stage 2 General Alarm’ displayed on the Main control panel. Sub alarms must be reset on the Sub control panel and then reset on the Main control panel. Board Switch – Not used for A2W Heat Pumps. Service –...
  • Page 63 CONNECTIONS - ELECTRICAL F. Service Settings Screen Parameter Sub Parameter Main 27.0⁰C Setpoint Screen N/A 0.5⁰C Thermoregulation 01 Differential Screen N/A Dead band 0.5°C Screen N/A Initiate -4.0⁰C -4.0⁰C Thermoregulation 02 (De-ice temperature) Terminate 10.0°C 10.0°C Delay to start Min comp before Max duration Thermoregulation 03 (De-ice timers)
  • Page 64 CONNECTIONS - ELECTRICAL Table continued from previous page F. Service Settings Screen Parameter Sub Parameter Main Max speed Normal 83.4% Screen N/A Mode Max speed Night 50.0% Screen N/A Thermoregulation 14b Mode (Compressor max speed ) Max speed Cool 50.0% Screen N/A Mode Max speed Beast...

  • Page 65: Commissioning

    COMMISSIONING TO FILL AND TURN ON THE POOL HEATER The power supply to the pool heater and controller must not be switched on until the pool heater is filled with water and a satisfactory megger reading is obtained. Warning: This pool heater contains electronic equipment, and 500 V insulation tests must only be conducted between actives and earth and between neutral and earth.
  • Page 66 Upon completion of the installation and commissioning of the pool heating system, leave this guide with the responsible officer. COMMISSIONING PROCEDURE – POWER METER CONFIGURATION After installation and commissioning of the heat pump, please follow the “Rheem Thermal Heat Pump Integration Guide”.
  • Page 67 COMMISSIONING COMMISSIONING PROCEDURE – BMS CONFIGURATION Before commencing this commissioning procedure, ensure the ‘Building Management Systems (BMS/BAS)’ installation procedure has been completed as detailed on page 46. If the system is comprised of multiple standalone heat pumps, perform this procedure for each heat pump. Each heat pump will have its own BMS card. For 133kW, 203kW and 250kW models, BMS settings are configured via the Main control panel.
  • Page 68 COMMISSIONING The BACnet MS-TP card features a button (PUSHBUTTON) and two indicator lights (STATUS LED and NETWORK LED). Push Button Functions: When starting up the BACnet MS-TP card, this is used to select whether to use factory parameters or user parameters for network communication.
  • Page 69 COMMISSIONING BMS Configuration Type 3: BMS Interface card BACnet TCP/IP Ethernet Go to BMS configuration (will time out after 5 minutes if no buttons touched) a. Address: No change required (address is irrelevant for this card). b. Protocol: Select option ‘Carel’. Speed: 19200 (this value is set from factory to communicate between heat pump and BMS card).
  • Page 70 COMMISSIONING BMS Parameter Tables: AURHTeMCHO version 2.0.0 COIL: Index Size Variable Name Variable Description DataType Default Direction Value DummyBol_01 Bool NoUnits Read only DummyBol_02 Bool NoUnits Read only DummyBol_03 Bool NoUnits Read only DummyBol_04 Bool NoUnits Read only DummyBol_05 Bool NoUnits Read only DummyBol_06...
  • Page 71 COMMISSIONING DeviceStatusComp5 Actual status of compressor 5 Bool NoUnits Read only DeviceStatusComp6 Actual status of compressor 6 Bool NoUnits Read only UnitOn Unit On status: TRUE = Unit ON Bool NoUnits ReadWrite OnOffUnitMng.BmsOnOff Unit On/Off by BMS Bool NoUnits ReadWrite AlarmMng.AlrmResByBms Alarm reset by BMS Bool...
  • Page 72 COMMISSIONING En_PoolSpa Pool/Spa Installed Bool NoUnits ReadWrite GlbAlrm Global alarms (at least one active alarm) Bool NoUnits Read only Al_Prb_01.Trigger Probe 01 Alarm - Alarm status Trigger Bool NoUnits Read only Al_Prb_02.Trigger Probe 02 Alarm - Alarm status Trigger Bool NoUnits Read only Al_Prb_03.Trigger...
  • Page 73 COMMISSIONING Holding Registers: Index Size Variable Name Variable Description Data Default Direction Type Value BMS_DummyReal_01 NoUnits Read only BMS_DummyReal_02 NoUnits Read only BMS_DummyReal_03 NoUnits Read only BMS_DummyReal_04 NoUnits Read only BMS_DummyReal_05 NoUnits Read only BMS_DummyReal_06 NoUnits Read only BMS_DummyReal_07 NoUnits Read only BMS_DummyReal_08 NoUnits...
  • Page 74 COMMISSIONING BMS_LW_LoRes Leave Water Lo Reset Temperature NoUnits ReadWrite BMS_EW_LoTrip Entering Water Lo Trip Temperature NoUnits ReadWrite BMS_EW_LoReset Entering Water Lo Reset Temperature NoUnits ReadWrite BMS_Comp_HiTrip Compressor Discharge Temperature Trip NoUnits ReadWrite BMS_BLDC_spd NoUnits ReadWrite BMS_EEV_pos NoUnits ReadWrite BMS_tfr_0_set NoUnits ReadWrite BMS_tfr_1_set NoUnits...
  • Page 75 COMMISSIONING BMS_De_Ice_Thrsh NoUnits ReadWrite BMS_MaxDemandLim NoUnits ReadWrite 5002 tfr_00 type of tariff - timeband 0 weekday NoUnits ReadWrite 5003 tfr_01 type of tariff - timeband 1 weekday NoUnits ReadWrite 5004 tfr_02 type of tariff - timeband 2 weekday NoUnits ReadWrite 5005 tfr_03 type of tariff - timeband 3 weekday...
  • Page 76 COMMISSIONING 5039 trfw_13 type of tariff - timeband 13 week end NoUnits ReadWrite 5040 trfw_14 type of tariff - timeband 14 week end NoUnits ReadWrite 5041 trfw_15 type of tariff - timeband 15 week end NoUnits ReadWrite 5042 trfw_16 type of tariff - timeband 16 week end NoUnits ReadWrite 5043...
  • Page 77 COMMISSIONING 5131 PoolChgOver Pool change over time Minutes ReadWrite 5132 SpaChgOver Spa change over time Minutes ReadWrite 5136 UnitStatus Unit status UInt NoUnits Read only 5141 PmpHRCnt Pump hour run count UInt Hours Read only 5142 PmpBHRCnt Pump B hour run count UInt Hours Read only...
  • Page 78 COMMISSIONING 5177 Pmp_Run_On Pump run on time delay Seconds ReadWrite 5178 BMS_PumpSpeedFlt NoUnits ReadWrite Pump cycle time for temperature testinf (0.5 hour 5179 PmpCycleT increments) Hours ReadWrite 5180 PmpBMinOn Pump B Minimum on time Seconds ReadWrite 5181 PmpB_Run_On Pump run on time delay (cold pump) Seconds ReadWrite 5182...

  • Page 79: Draining The Pool Heater

    TO TURN OFF THE POOL HEATER If it is necessary to turn off the pool heater on completion of the installation, such as on a building site or where the premises are vacant, then: Switch off the electrical supply at the isolating switch to the pool heater. DRAINING THE POOL HEATER To drain the pool heater: “To Turn Off The Pool heater”...

  • Page 80: Trouble Shooting

    Alarm Light on Heat Pump Controller If the alarm light is flashing RED, check the alarm by pressing the alarm button. Phone your nearest Rheem Service Department or Accredited Service Agent (or Service Centre in NZ) to inform about the alarm.

  • Page 81: Automatic Defrost

    operating in low ambient air temperatures. For most applications, automatic defrost should be satisfactory to meet pool heating demands. If the ambient air temperature falls below 0⁰C, the heat pump will cease heating to protect heat pump components from damage. The heat pump will start operating again when the air temperature increases to above 0⁰C.
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This manual is also suitable for:

Rthp098yt-4qh-1Rthp098yt-4qv-1Rthp133yt-4qv-1Rthp203yt-4qv-1Rthp250yt-4qv-1

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