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Reclaim REHP-CO2-315GL-GM Product Manual

Air-source co2 heat pump hot water system
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AIR-SOURCE CO2 HEAT PUMP HOT WATER
SYSTEM
PRODUCT MANUAL
INSTALLATION, OPERATION/MAINTENANCE, WARRANTY
Covering model numbers (for STC claims):
REHP-CO2-315GL-GM, REHP-CO2-315GL-SHP, REHP-CO2-315GL
REHP-CO2-315SST, REHP-CO2-315SSQ
This appliance is not intended for use by persons (including children) with reduced physical, sensory or
mental capabilities, or lack of experience and knowledge, unless they have been given supervision or
instruction concerning use of the appliance by a person responsible for their safety. Children should be
supervised to ensure that they do not play with the appliance.
Manual for heat pump hot water system:|1

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Peter Koch ( on behalf of a friend)
January 23, 2025

I have seen a review that says that this system (Reclaim Energy REHP-CO2-315GL ) loses settings after a power outage, is this true?

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Summary of Contents for Reclaim REHP-CO2-315GL-GM

  • Page 1 PRODUCT MANUAL INSTALLATION, OPERATION/MAINTENANCE, WARRANTY Covering model numbers (for STC claims): REHP-CO2-315GL-GM, REHP-CO2-315GL-SHP, REHP-CO2-315GL REHP-CO2-315SST, REHP-CO2-315SSQ This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.

  • Page 2: Table Of Contents

    Contents Terminology ........................5 Product specification overview (heat pump and tank are split)........6 System description: How it works .................. 7 Main Components..........................7 System operation ..........................7 Technical specifications ....................9 Heat pump............................9 Hot water storage tank ........................11 Controller ............................
  • Page 3 System integration and commissioning ..................30 5.5.1 System piping ......................... 30 5.5.2 System wiring ......................... 33 5.5.3 Powering up the controller for the first time ................38 5.5.4 Powering of the heat pump AND air purge procedure ............39 Post installation inspection checklist ..................... 40 Operational and maintenance details ................
  • Page 4 Reclaim Energy storage tanks ....................60 7.6.2 Reclaim Energy glass-lined Tank ................... 61 7.6.3 Reclaim Energy stainless steel tanks ..................62 Controller warranty conditions ...................... 62 Warranty registration- Lodge a claim .................... 63 Manual for heat pump hot water system: classic version |4...

  • Page 5: Terminology

    1 Terminology Term Definition ASHP Air-source heat pump, which is a device including different parts such as evaporator and compressor that heat up water using ambient air as the primary energy source. Australian Consumer Law is the national law for fair trading and consumer protection. Brass fittings Fittings used to connect manifold to manifold (connectors), or fittings related to connecting the manifold to copper pipe (elbows or straight fittings).

  • Page 6: Product Specification Overview (Heat Pump And Tank Are Split)

    2 Product specification overview (heat pump and tank are split) The summary of Reclaim Energy heat pump hot water system specification is tabulated in Table 1. Table 1 Reclaim Energy heat pump hot water system overview Parameter Unit Value Heat pump...

  • Page 7: System Description: How It Works

    Unit (2) Storage Tank with PTRV (3) Controller (4) Connection kit that includes a Tee valve and unions (5) Heat pump mounting legs. Figure 1 Photo of a Reclaim Energy heat pump hot water system System operation The CO2 heat pump unit receives the incoming cold water temperature from the bottom of the tank.
  • Page 8 water recover and excellent hot water stratification. As this system delivers hot water exceeding 50 ˚C, a tempering valve MUST be installed with this unit. The heat pump operation is controlled by an external controller. The controller operates based on a sensor connected to the tank at 65/69% level.

  • Page 9: Technical Specifications

    Technical specifications This section summarizes the main technical specification of the Reclaim Energy heat pump hot water system. Heat pump The dimension and section views of the heat pump are displayed in Figure 2, whilst the internal diagram of the heat pump system is highlighted in Figure 3. The five main internal components of the heat pump are: the fan, the evaporator, the compressor, the pump, and the water/refrigerant heat exchanger.
  • Page 10 Figure 3 Reclaim Energy heat pump internal schematic Table 2 Detail specifications of heat pump unit major components Heat pump unit: Model ID=EHPE-4540P Parameter Value Unit Power input * 0.916 Thermal output * COP * 5.24 Refrigerant CO2 (R744) ˚ C...

  • Page 11: Hot Water Storage Tank

    Figure 4 Exploded diagram, components, and part numbers of the heat pump unit Hot water storage tank Reclaim Energy offers a range of storage vessels including glass lined and stainless steel options. Tank port/sensor locations as well as the tank specifications are provided in Figure 5 and Table 3. Note that the tanks supplied have been designed to minimize the heat loss from the tank during its operation.
  • Page 12 Figure 5 Storage tank generic dimensional schematic Table 3 Detail specification of Reclaim Energy hot water storage tanks Tank model ID Unit AP315AGLH APS315TH APS315SH RE315GLH Glass Lined (GL) or SS- tall SS- squat Stainless Steel (SS) Total physical volume...

  • Page 13: Controller

    all other model numbers, there are separate connection ports on the tank for the PTRV port and heat pump return line. Controller The controller is the electronic interface between the storage tank and heat pump. The control unit has been designed to allow home owners and installers to interface with the operations of the unit to ensure it functions in the most efficient manner possible for householders.
  • Page 14 Figure 6 A photo of supplied controller unit CR2032 Lithium Battery holder for the real time clock battery Boost button Temperature button Menu button RJ45 Patch cable connector 230vAC power terminals Temperature sensor terminals Remote Control input terminals Manual for heat pump hot water system: classic version |14...
  • Page 15 4 Character 7 segment display Power LED On Call LED Fault LED Figure 7 Detail graphic description of the controller module Table 4 Detail specification of the controller module Item Description Details Option 1: 24/7 operation Option 2 (off-peak 1 per CER method): 10 pm- 7 am User selectable Operational modes Option 3: (off-peak 2 per CER method): 10 pm- 5 pm...
  • Page 16 230v Australian approved power cable & plug (pre-fitted) RJ45 10 meter patch cable (pre-fitted) Temperature Sensor & 2 meter lead (pre-fitted) Mounting screws and spacers x 4 CR2032 battery Manual for heat pump hot water system: classic version |16...

  • Page 17: Installation Details

    Installation details The installation of a Reclaim Energy air source heat pump system can only be completed by a licensed plumber or electrician in accordance with the local standards and regulations as well as the requirements that are listed below.
  • Page 18 (>200 mg/L or ppm), a water softening device must be installed to ensure the long term efficient operation of the system is met. Note that the Reclaim Energy glass-lined tank has a sacrificial anode to Manual for heat pump hot water system: classic version |18...

  • Page 19: Component Inspection

    (3) years 5.1.1 Component inspection Prior to installation, please check that the following components have been provided. Any concerns must be brought to the attention of Reclaim Energy immediately.  Heat pump unit  Tank + PTRV ...

  • Page 20: Connections And Insulation

    Please note this is not supplied by Reclaim Energy but the installing plumber can consider installing a ring main system for hot water circulation.
  • Page 21 Figure 9 A photo of installed hot water system with proper insulation of pipelines Note: Must be insulated Figure 10 A tee connection for heat pump return line and PTRV valve (AP315AGLH model number only) Manual for heat pump hot water system: classic version |21...

  • Page 22: Heat Pump

    Top Sensor Port: Not Applicable Solar port cap Heat Pump Sensor port Figure 11 A cap for solar connection port (AP315AGLH model number only) Heat pump Before plumbing and/or wiring of the heat pump unit and integration with the rest of the system, the following sequential steps must be conducted.

  • Page 23: Mounting

    5.3.2 Mounting Note Reclaim Energy ASHP MUST be installed whether on the ground with mounting frames that is a default supplied component OR on the wall with brackets. Note a plumber needs to have access to the underneath of unit in order to service the unit or drain it.

  • Page 24: Removing/Attaching The Piping Cover

    Figure 15 A heat pump drain elbow plug supplied with heat pump unit Bottom Panel Push Drain Hose (Market product, ID:16mm) Drain Elbow Figure 16 How to attach drain elbow 5.3.4 Removing/attaching the piping cover - Removal 1. Remove the screw 2.

  • Page 25: Controller

    Remove Attach Tab (Five areas) Screw Piping Cover Figure 17 How to attach/detach the piping cover Figure 18 How to remove the piping cover from heat pump Controller Please note that this controller has 4 cable grommets and glands as shown in Figure 19. The spare cable gland provided is not functional in this version of system.

  • Page 26: How To Mount The Controller On The Tank Wall

    1. Mounting on the controller on the tank is the first recommendation. If this is not possible then the installer should find an alternate fixture for the control unit that is in close proximity to the storage tank and heat pump unit. Note that the controller should be wired to the power socket, the sensor socket on the tank, and the PCB board on the heat pump.
  • Page 27 3. Since the tank surface is curved, use the spacers provided using the 4 No. spacers and screws provided to mount the module to the skin of the tank. 4. Orientate the spacers so the wider base of the spacer touches the tank surface. 5.

  • Page 28: Terminal Blocks- Prewired Power Cable And Sensor Cable

    5.4.2 Terminal blocks- Prewired power cable and sensor cable As the connections are prewired, the installer just needs to check if they are in place and tight enough. The 230v power cable is prewired to the terminal block CON1, as shown in Figure 22. Check the connections and tighten if necessary.
  • Page 29 Figure 23 RJ 45 cable connection The Tank temperature sensor is prewired to the terminal block CON2, terminals 1 and 2 as shown in Figure 24. Check the connections and tighten if necessary. T1 – Temperature sensor white wire CON2: T2 - Temperature sensor black wire Figure 24 Storage tank terminals 1&2 on block 2 (CON2) Manual for heat pump hot water system: classic version |29...

  • Page 30: Fitting The Lithium Battery Into The Module

    Figure 25 How to place the battery for the module System integration and commissioning Licensed installers MUST follow the procedure below for the commissioning of Reclaim Energy heat pump hot water system. A licensed installer should install the system with regards to the wiring and plumbing schematics provided in Figure 26 and Figure 29 in accordance with local/national building, pluming, and wiring codes.
  • Page 31 Figure 26 Plumbing diagram of Reclaim Energy ASHP hot water system 5.5.1.1 Main pressure control of the system Where the mains supply pressure can exceed or fluctuate beyond the pressure of 500kPa, a pressure- limiting valve must be fitted to the cold mains line.
  • Page 32  Pressure Reducing Valve  Four-Way Cross Figure 27 Mains Line Valves The set of mains line valves can be purchased as a kit from Reclaim Energy and provides the above components with insulating jackets to streamline the installation process. IMPORTANT The tempering valve must be the last downstream component installed before the hot water reaches the house.

  • Page 33: System Wiring

    Relief valve Heat Pump To the tank COLD From Flow Figure 28 Connection of heat pump piping 5.5.2 System wiring ※Caution IMPORTANT: DO NOT SUPPLY POWER TO THE CONTROLLER OR HEAT PUMP UNIT BEFORE CONDCTING THE PROCESS EXPLAINED IN SECTIONS 5.5.3 AND 5.5.4. A licensed electrician should install the system with regards to the wiring diagram provided in Figure 29 and in accordance with local/national wiring codes.
  • Page 34 65% level Heat pump unit Figure 29 Wiring diagram of Reclaim Energy ASHP hot water system 5.5.2.1 Heat pump After removing the right side piping cover of heat pump unit, the heat pump power terminal will be accessible as shown in Figure 30.
  • Page 35 Heat pump PCB display (where RJ45 cable should be connected to) Heat pump GPO Heat pump terminal Electrical Conduit Water pipe connections Figure 30 The wiring of power cord from heat pump terminal to the heat pump GPO The process of connecting power cable to heat pump terminal is shown in figures below. Figure 31 How to attach the power cable Manual for heat pump hot water system: classic version |35...
  • Page 36 Earthing Cable Supply Cable Electric Cable Press Figure 32 Attached location of power cable on heat pump terminal 5.5.2.2 Controller There are 3 steps per below: 1. Wiring of RJ45 cable from the controller module to heat pump display unit as shown in Figure 33 and Figure 34 2.
  • Page 37 Connect heare RJ45 Figure 33 How to connect RJ45 PATCH cable to heat pump display unit RJ45 cable & connection to the PCB display unit Figure 34 Wiring of RJ45 cable from controller to the PCB display unit Manual for heat pump hot water system: classic version |37...

  • Page 38: Powering Up The Controller For The First Time

    5.5.3 Powering up the controller for the first time When power is first applied to the controller, the following display sequence occurs. 1. “Init” is displayed, while the default settings are loaded into the clock memory. 2. “ “ display is blanked momentarily. 3.

  • Page 39: Powering Of The Heat Pump And Air Purge Procedure

    5.5.4 Powering of the heat pump AND air purge procedure Before first run of heat pump, the installer MUST complete a TWO-STEP purging process. This can be completed using the drain plug located under the heat pump unit, followed by running the purge mode operation by the controller.

  • Page 40: Post Installation Inspection Checklist

    Figure 35 Position of drain plug 5.5.4.2 How to run the purge mode on the controller To activate Purge Mode, perform the following steps: 1. Ensure the module is in the Normal Display mode, displaying either Time of day, or Temperature. 2.
  • Page 41  Complete the rebate form for the system prior to leaving the site, this will require the installer’s signature. Note this form is not supplied with us or in this document. This is responsibility of customers to have the rebate form ready for the installer to fill out. Table 6 Post Installation Checklist Items Check...

  • Page 42: Operational And Maintenance Details

    Operational and maintenance details Controller 6.1.1 Definitions and control philosophy A photo of the controller module is shown in Figure 36. The module basically controls the “operational time” of the heat pump, by monitoring the temperature of the water in the storage tank. The “temperature control”...
  • Page 43 Table 7 Definition of status LEDs LED ON- SOLID LED ON - FLASHING POWER ON TEMPERATURE MODE ENABLED HEAT PUMP ON CALL HEAT PUMP IN BOOST MODE HEAT PUMP FAULT TEMPERATURE SENSOR FAULT 6.1.1.1 Time control Mode The temperature control mode can be enabled and disabled during certain periods within the 24 hour period, as set in the options page.

  • Page 44: Details Of Operational Modes

    6.1.1.4 Legionella time cycle check For the effective elimination of Legionella, the stored water will be automatically reached a temperature of 59 ˚C at least once every 24 hours. 6.1.2 Details of operational modes The temperature mode can be enabled by various time switch modes. These are selectable in the “User Menu’.

  • Page 45: Functionality Of Side Buttons

    6.1.3 Functionality of side buttons Three push buttons are available per description of Table 9. Table 9 Definition and functionality of push buttons NORMAL MODE MENU MODE DATA CHANGE BUTTON MODE BOOST ON/OFF MENU EXIT INCREMENT UP TEMPERATURE DISPLAY MOVE NEXT DECREMENT DOWN PARAMETER...
  • Page 46 Figure 37 Sample display of controller: tank temperature (left) and active option (right) Menu Button: Refer to menu details given in Figure 38 for all functionality. Using Menu button, user can get access to setting of time of day, options, and system status. Figure 38 will be discussed in details in the next subsection.

  • Page 47: User Menu

    6.1.4 User Menu There are three push buttons on the side of the module. Each button has multi functions depending on the menu level you are currently in. The menu can be stepped through as detailed above. Pressing the “Menu” button enters menu mode (green arrow). Pressing the “Temperature”...

  • Page 48: Powering Up The Module (Repeat Times)

    11. Once the correct time-ON is displayed, press the Menu button to Accept. 12. Press the Temperature button to move to the User Hours-Run-1, “hru1” is displayed. 13. Press Menu button to display the current Hours Run setting. The “AdJ-“ prompt will again appear. 14.

  • Page 49: Error Codes And Troubleshooting

    8. The tank temperature can be displayed by pressing the temperature button momentarily. “XX C” will be displayed for 4 seconds, the set controller option for 4 seconds before reverting back to the tank temperature for a further 12 seconds. 6.1.7 Error codes and troubleshooting Should the heat pump unit go into fault mode, it will generate a fault code which this module will display.
  • Page 50 3. Eg-8 and Eg-9 faults have a fixed 3 second time delay for both fault on and fault off occurrences. Details of error codes and the procedure of troubleshooting is summarized in Table 11. ONLY a licensed installer should conduct the troubleshooting process per instructions given in the “Service Manual”. Manual for heat pump hot water system: classic version |50...
  • Page 51 Table 11 Details of error codes on external controller and heat pump PCB display and troubleshooting process Error codes Figure/ Error Appearance,　Portion,　Parts seem ed w rong Method of check Troubleshooting Rem ote Table reset control Outdoor tem p. sensor Check the resistance value by tester. Sensor shall be replaced if it is broken.

  • Page 52: Hot Water Storage Tank

    Error codes Figure/ Error Appearance,　Portion,　Parts seem ed w rong Method of check Troubleshooting Rem ote Table reset control Check if there are any conditions to block w ater Heating w ater circulation Im prove the cause of problem , then restart the flow such as clogging, air entrainm ent, or scale circuit HP unit.

  • Page 53: Anode

    6.2.2 Anode The anode on your Glass lined (vitreous enamel) tanks is sacrificial, however it is designed to protect the vitreous enamel lined cylinder in most public reticulated water supplies for five years after which time it should be replaced as part of an annual service. It must be noted however that many water supplies can exhibit chemical qualities that are not suitable for the standard anode supplied with glass-lined water heater.

  • Page 54: Maintenance Checklist For The Owner

     The person(s) making the claim must be the product owner or have consent to act on behalf of the owner.  The person(s) making the claim must contact Reclaim Energy as soon as they notice any defect(s) without excessive delay, and the product must be within its warranty period.

  • Page 55: Summary Of Warranty Periods

    700 kPa PTRV General warranty conditions 1.1. This Warranty is for Reclaim Energy domestic use of the hot water heating only. Any application with hot water consumption above 700 L/day is considered NON residential. Domestic is defined per below: Manual for heat pump hot water system: classic version |55...
  • Page 56 Reclaim Energy. 5.1. Where a Reclaim Energy component, as per Table 12, in domestic use, is repaired or replaced by Reclaim Energy, the balance of any original Warranty Period will remain effective. The repaired or replaced part does not carry any additional warranty period.
  • Page 57 1st January 2019. 15.1. If the Customer has not paid in full for the Reclaim Energy Domestic hot water system or component(s) in domestic use then this Warranty does not apply (Proof of purchase is a MUST).
  • Page 58 Faults caused by incorrect installation, water problems and or electricity supply. 22.1. Where the Reclaim Energy heat pump hot water system is installed in a position that does not allow safe, ready access, the cost of accessing the site safely, including the cost of additional materials handling and/or safety equipment, shall be the owner's responsibility.

  • Page 59: Heat Pump Warranty Conditions

    AS/NZS 3000, AS/NZS 3500, AS 3498 and AS/NZS 5601. 4. If the Reclaim Energy heat pump hot water system has not been installed in accordance with Manufacturer's Installation Instructions or installed as to be easily accessible for servicing, a service charge may apply.

  • Page 60: Tank Warranty Conditions

    With regard to labor, apply within State Capital City metropolitan areas, as determined by Reclaim Energy Outside these areas, the unit or parts are to be returned, unless otherwise arranged, to Reclaim Energy or a service agent nominated by Reclaim Energy. All freight and insurance charges (both ways) are the responsibility of the owner.

  • Page 61: Reclaim Energy Glass-Lined Tank

    Reclaim Energy. Where a warranty claim has been made and it is found that the fault is not within the unit, all costs will be charged to the owner. The warranty does not extend to any consequential loss or damage, which may be a result of the operation or non-operation of this unit, subject to any statutory warranty to the contrary.

  • Page 62: Reclaim Energy Stainless Steel Tanks

    The full replacement is within first 6 years, and from year 7 through to year 15 from date of purchase, Reclaim Energy shall replace or repair on a pro-rata basis set out in the scaling scale below: 1.

  • Page 63: Warranty Registration- Lodge A Claim

    In order to register your system for warranty purposes, please complete the details of your purchase below, detach and mail to Reclaim Energy Pty Ltd (1a/167 Prospect Hwy, Seven Hills NSW 2147) Or email warranty@reclaimenergy.com.au-...
  • Page 64 Postcode ______ Product Details: Heat Pump Serial Number ____________________________ Hot Water Tank Serial Number ________________________________ Date of Purchase/Installation ________/_______/20_____ Suppliers Name __________________________________________________________ Manual for heat pump hot water system: classic version |64...

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Rehp-co2-315gl-shpRehp-co2-315glRehp-co2-315sstRehp-co2-315ssq

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