Reclaim Energy Heat Pump Controller V2 Manual

April 2023 Product Supply Changes

As of April 2023, Reclaim Energy launched the next generation of heat pump with substantial improvements. Unless specified below, all other parameters/specifications are the same between V1 and V2 models. The two key changes are summarised in Table A and Table B.

Figure A: The document displays images of three Reclaim Energy heat pump controllers: V1 (Discontinued), V1.1, and V2. The V1 controller is a green unit with a digital display showing 'HEAT PUMP: OFF' and 'HEAT PUMP FAULT'. The V1.1 controller is a white unit with a digital display showing '58.9°C'. The V2 controller is a white unit with a digital display showing '59°C', with navigation buttons [left-arrow], [OK], [right-arrow], [EXIT], and [BOOST]. Each controller is shown with its included cables.

Before You Begin Installation

This section provides essential information before proceeding with installation.

Case tools required

• Phillips 1 screwdriver for lid screws (if required to remove cover)
• Pozi 2 screwdriver for mounting screws

General Safety Precautions

The following pages contain instructions for qualified personnel only. They involve potentially hazardous adjustments and high voltage mains wiring information.

The installation is to be checked at least annually for damage or malfunction. All servicing is to be carried out by qualified personnel only. All aspects of the installation must comply with local electrical and plumbing regulations.

Installation Precautions

• Make sure the controller is installed out of direct sunlight, flammable liquids, or radiant heat sources. Power leads must face directly down.
• Ensure controller is in a safe environment for users to inspect display panel.
• Sensor leads should be kept 300mm (12 inches) away from mains and comms cables if run parallel to those cables.

First Time Commissioning Procedure

The following steps are required during the commissioning of the controller:

1. The controller is connected to the power point and has power on it.
2. The correct version of controller is chosen on the heat pump.
1. V2 controller requires "r1" to be set at "2". This can be checked as follows on the PCB main of the heat pump. Change the value of "r1" to "2" as follows:
   • Press and hold [up-arrow] and [down-arrow] buttons.
   • The value displayed is "r1" & "1".
   • Change the value of "r1" to "2" by pressing the [right-arrow] or [left-arrow] button.
   • Press and hold [up-arrow] and [down-arrow] buttons to complete the setting when display returns to its original display (i.e., blank display).
   • To check if "r1" & "2" is established, try step 1 one additional time and then go to step 4 to exit.
3. The controller shows the correct time of day: SETTING THE TIME OF DAY
   • If the LCD backlight is OFF, press any key once to turn it ON.
   • Press the [OK] button once to enter the Setup Menu, "1. OPERATION MODE" is displayed.
   • Press the [down-arrow] button once, "2. CLOCK" is displayed.
   • Press the [OK] button once, "AUTO SET TIME > YES" is displayed.
   • If the controller is not connected to Wi-Fi:
     • Press the [up-arrow] or [down-arrow] button to change the option to NO.
     • Press the [OK] button to proceed, e.g., "SET DATE > 2023/01/01" is displayed.
     • Press the [up-arrow] or [down-arrow] button to change the value of the Year/Month/Day.
     • Press the [left-arrow] or [right-arrow] button to move the position of the blinking cursor.
     • Press the [OK] button to proceed and validate the date, e.g., "SET TIME > 12:00 AM" is displayed.
     • Press the [up-arrow] or [down-arrow] button to change the value of the Hour/Minute.
     • Press the [left-arrow] or [right-arrow] button to move the position of the blinking cursor.
     • Press the [OK] button to proceed and validate the time.
   • If the controller is connected to Wi-Fi:
     • Press the [OK] button to proceed, "LOCATION > VIC" is displayed.
     • Press the [up-arrow] or [down-arrow] button to change the location as required.
     • Press the [OK] button to validate, "AUTO ADJUST DST > YES" is displayed.
     • Press the [up-arrow] or [down-arrow] button to change the option to YES or NO as required (select YES if Daylight Savings Time is applicable at the selected Location).
     • Press the [OK] button to validate.
   The controller will then sync the clock with internet time according to the Location and DST settings. To validate the clock time is correct, scroll to the Date/Time status display screen.

NOTE: If no button is pressed for 60 seconds, the display reverts to Status Display Mode.

First Time Commissioning Procedure Cont.

4. Connect the ring terminals of the Modbus cable to the Modbus Port of the Heat Pump following the colour code.
   Figure 5: Diagram showing the Modbus cable connections to the controller's terminal block, with wires labeled RED, WHITE, and BLACK connected to A, B, and GND respectively.
5. Initiate the purge cycle. To activate Purge Mode, perform the following steps:
   • If the LCD backlight is OFF, press any key once to turn it ON.
   • Press and hold down the [OK] button for 5 seconds.
   • The LCD will display the Heat Pump Temperature screen for 20 seconds. e.g.: "HEAT PUMP: PURGE > TANK:58"
   • The LCD will then display the Purge status screen. e.g.: "PURGE ON > 10:00AM-10:05AM"
   • The heat pump heat-up operation will be stopped, if active.
   • The heat pump air purge operation will start and remain active for 5 minutes as indicated by the time.
   • After 5 minutes has elapsed, the purge output will turn off.
   • All control functionalities will resume.

NOTE: Purge mode can be turned off at any time, by pressing and holding the [OK] button for 5 seconds. Purge mode is automatically turned off if the module is currently displaying heat pump Modbus error or other heat pump error code.

Installing the Reclaim Controller

Mounting

• Fix mounting bracket to a solid structure with the screws and wall plug kit provided.
• Slide the controller on, locking it in place.
• To remove unit, lift and gently pull away from structure.

Sensor Mounting

Connect to Heat Pump

• Connect the ring terminals of the Modbus cable to the Modbus Port of the Heat Pump.

Connect PV Remote Wires (Only if Applicable)

• Push the PV Remote Wires through the slit rubber grommet and connect them to terminal block J7.
  Figure 3: Diagram showing the PV Remote connection wiring to terminal block J7.

Plug in the Controller to the Power Source

• Before powering up read all safety instructions, warnings and liability statements.
• Controller will run through start up checks and begin operating according to default settings. The controller will display the date/time it thinks it is. Page 7 has details on how to adjust the date/time.

1. Introduction

1.1 V2 Controller

The controller comes with:

• Modbus Cable 1.5m
• Temperature Sensor 2.5m
• Power Cable 1.5m

Figure 2: Image of the V2 Controller circuit board and the complete V2 Controller unit with cables.

1.2 Interface

The user interface consists of a 2x16 backlit LCD with 4 indicator arrows. There are 4 navigation buttons, 1 Enter button and 1 Boost button, as shown below.

The controller has 6 main buttons:

1. OK button
   • It is used to bring on the main menu or to accept the settings.
2. Boost button
   • It is used to activate one shot boost function.
3. Navigation buttons
   • [right-arrow] to move forward in the menu
   • [left-arrow] to move backward in the menu
     • If this is held for 1 second, it acts as an exit and the initial display will appear.
   • Up and down arrows are to increase/decrease the numbers/values in settings or navigate through the menu

Figure 1-1: LCD & Buttons description.

During status display, the following actions are available. Note: key presses are not registered when the LCD backlight is turned off. If the backlight is OFF, press any key to turn it on.

Table 1: Usage of indicator arrows. The controller displays four indicator arrows on the LCD which will be turned on/off and blinking to indicate different status information: PWR (Unit is powered on/off), HP (Heat pump is off/on), FAULT (No faults/Fault detected), WIFI (Wi-Fi not connected/Wi-Fi online). The BLINKING state indicates 'Temperature control enabled' or 'Boost is active' or Wi-Fi status.

1.3 Key Modes of Operation

1.3.1 Time Control Mode

The temperature control mode can be enabled and disabled during certain periods within the 24-hour cycle. The user can select to permanently enable, four preset time periods or can opt for two adjustable time periods. When the Time Control Mode is active, the Power ON LED flashes.

1.3.2 Boost Mode

The Boost mode can also be turned on and off via a momentary press of the boost button. When activated, temperature control mode is enabled, signalling the heat pump to turn on. The heat pump will remain on until the temperature reaches 59°C (plus 3 seconds), or the 6-hour period has elapsed, whichever occurs first. The On Call LED will start flashing. If inadvertently pressed, boost mode can be turned off by pressing the [BOOST] button again. If a faulty temperature sensor is detected (e.g., -8 or -9), the Boost function will still operate and turn the heat pump on for 6 hours.

1.3.3 Temperature Control Mode

The "temperature control" turns the heat pump on at the T-on setting (37°C), and off at the T-off setting (59°C). On the first start, the heat pump is turned on if the temperature is less than 59°C. On subsequent starts, the heat pump is turned on when the temperature in the tank drops to the T-on setting (37°C) and turns off when the temperature reaches the T-off setting (59°C).

2. Setup Menu

The setup menu allows you to view and/or change the following items: Operation Mode, Clock, Wi-Fi, Service Menu, About, Operational parameters.

2.1 Operation Mode

This menu allows setup of the operation mode. Press the [left-arrow]/[up-arrow] keys to choose the operation mode and press [ENTER] to confirm.

2.1.1 Pre-Set Modes 1-4

Modes 1-4 are pre-sets with pre-defined timers. For operation modes 2, 3 & 4, the default times can be changed in the Service Menu and the new times will be reflected in the menus above.

2.1.2 Mode 5 – Timers

When option 5 is selected, the following menus are displayed to enter the timer start times and stop times. The input cursor will blink on the timer 1 start hour; press the [left-arrow]/[right-arrow] keys to change the time and press [ENTER] to confirm. The cursor will then move to the stop hour and so on to timer 2. The [up-arrow]/[down-arrow] keys can be used to move the cursor between the start hour and stop hour. Figures show examples of setting timers for Mode 5.

2.1.3 Mode 6 – Timer & Temperature

When option 6 is selected, the following menus are displayed to enter the timer 1 start times, stop times. The input cursor will blink on the start hour; press the [left-arrow]/[right-arrow] keys to change the time and press [ENTER] to confirm. The cursor will then move to the stop hour and so on to timer 2. Next, the timer 2 start times and stop times can be changed in the same way, followed by the timer 2 temperatures T-On and T-Off. Figures show examples of setting timers and temperatures for Mode 6.

2.1.4 Mode 7 - PV Default Timer

When option 7 is selected, the following menus are displayed to enter the PV default timer start times and stop times. The input cursor will blink on the start hour; press the [left-arrow]/[right-arrow] keys to change the time and press [ENTER] to confirm. The cursor will then move the stop hour. If PV input is not enabled, the PV input menu is displayed to configure the PV input. Figures show examples for Mode 7 and PV input setup.

With option 7, following a remote contact closure, it finishes the heating cycle even if the contacts open again. Also, it will remain in Temperature mode so long as the contacts remain closed. Please note with activation/closure of dry contact the one shot boost function will be activated so the system will stop once the temperature of 59°C is reached. The boost function is triggered by a change in state from open to closed contact. If the dry contact remains closed, the system will go under the "temperature mode" and the green light will be flashing and the next time the system will be running if temperature drops below 37°C. With option 7, if the dry contact does not get closed in a 18 hour cycle, the system will automatically run to meet the legionella requirement 18 hours after the last time that 59°C was reached.

2.2 Clock

This menu allows setup of the clock on the controller. When the controller is connected to Wi-Fi, it can use internet time to keep the clock up to date. To do this, set Auto Set Clock to Yes. If daylight savings is applicable for the selected location, the controller can be set to auto adjust for Daylight Savings Time (DST).

2.2.1 Auto Set Date/Time

If 'Yes' is selected, the location/state of the controller can be set.

2.2.2 Manually Set Date/Time

If 'No' is selected for Auto Set Clock, the date/time can be set manually. Press the [ENTER] key to view the Wi-Fi signal strength and IP address.

2.3 Wi-Fi

This menu allows turning the Wi-Fi on/off as well as to view and/or change the network settings.

2.3.1 Wi-Fi Network Information

If 'ON' is selected, the Wi-Fi network information is displayed if currently connected.

2.3.2 Manually Setup Wi-Fi

To setup the Wi-Fi network using the LCD/keypad, select Yes and press the [ENTER] key. The controller will start to search for nearby Wi-Fi networks. The lists of Wi-Fi networks found are listed in order of signal strength (strongest to weakest) and the network security type is also displayed; press the [left-arrow]/[right-arrow] keys to select the network.

2.3.3 Reset Wi-Fi Settings

To reset the Wi-Fi network settings, select Yes and press the [ENTER] key. Any previously configured Wi-Fi network will be erased.

2.4 About

This menu allows you to view various information about the controller: Name, Firmware Version, Wi-Fi MAC Address, App Code, Ambient Temperature, Certificate ID.

2.4.1 Controller Name

The name can be setup in the App e.g., 'John's House'.

2.4.2 Firmware Version

The firmware version is displayed on this screen.

2.4.3 Wi-Fi MAC Address

The Wi-Fi MAC address is displayed on this screen.

2.4.4 App Code

The App Code is the controller's unique code that can be entered in the App, for example if the QR code cannot be scanned in.

2.4.5 Certificate ID

Each controller has a unique security certificate programmed in. The certificate is used for encrypted communication with the server. This option displays the ID of the certificate.

2.5 Operational Parameters

The operational parameters menu allows you to view the live parameters value from the Heat Pump. The following parameters are displayed: Tank Temperature, Outlet Temperature, Inlet Temperature, Ambient Temperature, Input Current, Power Usage.

3. Wi-Fi Setup

After boot-up, the controller checks if any Wi-Fi network has been configured. If no Wi-Fi setup is found, the controller prompts whether to proceed with the Wi-Fi setup.

3.1 Wi-Fi Setup Prompt

If no Wi-Fi setup is found, the controller prompts whether to proceed with the Wi-Fi setup. If 'NO' is selected, Wi-Fi is turned OFF and the controller proceeds to Status Display. The above prompt will not be shown on subsequent boot-up until Wi-Fi is turned back ON in the setup menu. If 'YES' is selected, the controller prompts for the Wi-Fi setup mode as in section 3.2.

3.2 Wi-Fi Setup Mode

Wi-Fi can be setup either using the App or manually using the LCD/keypad interface. Press the [left-arrow]/[right-arrow] keys to select between App and Manual, and press [ENTER] to confirm.

3.2.1 Wi-Fi Setup Using App

If 'APP' is selected, the controller goes into Wi-Fi Configuration Mode - the user can then use a mobile device to configure the Wi-Fi network information to the controller. The controller will display its Wi-Fi network name on the following screen, the format is 'RECLAIMV2_NNNNNN' where 'NNNNNN' is the last 6 characters of the controller's MAC address. If the controller does not receive the Wi-Fi network information from the App after 3 minutes, the message 'WIFI NOT CONFIGURED' is displayed. If an error occurs during password authentication with the Wi-Fi network, the message 'WIFI PASSWORD INCORRECT' is displayed.

3.2.2 Wi-Fi Setup Using LCD/Keypad

If 'MANUAL' is selected, the controller will search and list nearby Wi-Fi networks. The lists of Wi-Fi networks found are listed in order of signal strength (strongest to weakest) and the network security type is also displayed; press the [left-arrow]/[right-arrow] keys to select the network. After selecting the network, enter the Wi-Fi password using the navigation keys; press the [left-arrow]/[right-arrow] keys to change the character, press the [up-arrow]/[down-arrow] to move the cursor and press [ENTER] to confirm. The first line will alternate between the selected Wi-Fi network name and the prompt 'ENTER PASSWORD'. The symbol in the top right corner indicates the current type of input; press the [BOOST] button to change the input type.

3.4 Reclaim Energy Mobile App for Apple & Android

Android App

1. Installation: Go to the Play Store on the Android phone and search for "Reclaim Energy". Install the App and wait for installation to complete.
2. Launch App: Upon launch, the App will attempt to connect to the server. The App will then check if a controller has already been configured. If Yes, it will connect to the controller and load the controller's data. If No, it will prompt to scan the QR code of the controller.
3. Scan QR Code: The prompt to launch the QR code scanner is shown. Click 'Ok' to proceed. When prompted to allow the App to use the camera, select 'While using the App'. Locate the QR code sticker from the controller box and scan it in the App. Once the controller information is saved, the App will connect to the controller and load its data.
4. Home Screen: Displays active mode, current tank temperature, last 12 hours of temperature and power usage data, heat pump status, and a 'Boost' button.
5. Timers Screen: Displays active mode, options, Start Time and Run Time for the selected mode, and T-On and T-Off temperature for the selected mode.

Apple App

1. Installation: Go to the App Store on the iPhone and search for "Reclaim Energy". Install the App and wait for installation to complete.
2. Launch App: Upon launching the App, the following screen will be displayed. Click Ok to launch the QR Code scanner.
3. Scan QR Code: The prompt to launch the QR code scanner is shown. Click 'Ok' to proceed. When prompted to allow the App to use the camera, select 'While using the App'. Locate the QR code sticker from the controller box and scan it in the App. Once the controller information is saved, the App will connect to the controller and load its data.
4. Home Screen: Displays active mode, current tank temperature, last 12 hours of temperature and power usage data, heat pump status, and a 'Boost' button.
5. Timers Screen: Displays active mode, options, Start Time and Run Time for the selected mode, and T-On and T-Off temperature for the selected mode.

The app screens provide options for setup, viewing trends, and Wi-Fi connection.

4. Status Display

The controller displays various status information when the menu is not active. This includes: Date/Time & location, Heat Pump Status, Tank Temperature, Operation Mode, Wi-Fi Connection Status, Fault(s).

4.1 Date/Time & Location

The current date and time are shown on this screen. The location is also shown when the clock settings are set to AUTO.

4.2 Heat Pump Status & Tank Temperature

The heat pump status and the tank temperature are shown on this screen. The different possible scenarios are displayed as follows:

• If the heat pump is on, the heat pump status and temperature T-OFF are displayed.
• If the heat pump is off, the heat pump status and temperature T-ON are displayed.
• If purging is in progress, the following is displayed.
• If boost is active, the heat pump status and temperature T-OFF are displayed.
• If the heat pump is on for Legionella check, the following is displayed.
• When the heat pump is being turned ON, during the ON switch time (default 3 seconds), an upward arrow will blink next to ON.
• When the heat pump is being turned OFF, during the OFF switch time (3 seconds), a downward arrow will blink next to ON.

4.3 Operation Mode

The operation mode selected is displayed, including when purging is active or when boost is active. The following screens show examples of the possible options.

4.4 Wi-Fi Status

The Wi-Fi connection status is displayed on this screen together with the Wi-Fi network name and the Wi-Fi signal symbol.

4.5 Fault(s)

Any faults received from the heat pump and controller are displayed for attention. When a fault has been detected:

• The fault message will be displayed on the screen until the fault is cleared.
• The LCD backlight will blink ON/OFF while the fault is active. It will be turned off when the fault is cleared.
• The FAULT indicator arrow will blink while the fault is active. It will be turned off when the fault is cleared.
• The display will not auto-scroll to other status information while the fault is active.
• The setup menu can still be accessed by pressing the [ENTER] key.

The following faults can be displayed:

5. How to Extend the Temperature Cable

Purchase Temperature Sensor Cable from Reclaim Energy. Replace the Temperature Sensor Cable by following the instructions below:

1. Switch off the mains power and disconnect the Reclaim Controller.
2. Use a Pozidriv screwdriver to undo the four controller casing screws from the back and remove the front casing.
3. Use a Flathead screwdriver to unscrew the existing sensor from terminal block J4.
4. Remove cable tie from the rubber grommet.
5. Remove the standard sensor from the controller by pulling gently.
6. Push the un-insulated ferrules of the new sensor through the rubber grommet, place them in terminal block J4 (no polarity), and tighten the screws.
7. Place a cable tie around the rubber grommet.
8. Put the front casing back on and tighten the casing screws.
9. Reconnect the controller and switch on the power.
10. Check that the sensor is reading correctly.

6. How to Extend the Modbus Cable

Purchase Modbus Cable from Reclaim Energy. Replace the Modbus Cable by following the instructions below:

1. Switch off the mains power and disconnect the Reclaim Controller and Heat Pump.
2. Disconnect the ring terminals of the existing Modbus cable from the Modbus Port of the Heat Pump.
3. Use a Pozidriv screwdriver to undo the four controller casing screws from the back and remove the front casing.
4. Use a Flathead screwdriver to unscrew the existing Modbus cable from terminal block J5.
5. Remove cable tie from the rubber grommet.
6. Remove the existing Modbus cable from the controller by pulling gently.
7. Push the un-insulated ferrules of the new Modbus cable through the rubber grommet, place them in terminal block J5 (RED wire to "A", WHITE wire to "B", and BLACK wire to "GND"), and tighten the screws.
8. Place a cable tie around the rubber grommet.
9. Put the front casing back on and tighten the casing screws.
10. Connect the ring terminals of the new Modbus cable to the Modbus Port of the Heat Pump following the colour code (RED to RED, WHITE to WHITE, and BLACK to BLACK).
11. Reconnect the Reclaim Controller and Heat Pump, and switch on the mains power.