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SOLAR RELAY
INSTALLATION & USERS GUIDE
CATCH Power
A trademark of Project H Pty Ltd
180 Dumaresq Street
Glen Innes
NSW 2370
Australia
Ph: +64 2
5700 5717
W:
www.Catchpower.com.au
E: sales@catchpower.com.au
CATCH Power SOLAR RELAY – Installation Manual - Page 1
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Summary of Contents for Catch Power SOLAR RELAY
- Page 1 SOLAR RELAY INSTALLATION & USERS GUIDE CATCH Power A trademark of Project H Pty Ltd 180 Dumaresq Street Glen Innes NSW 2370 Australia Ph: +64 2 5700 5717 www.Catchpower.com.au E: sales@catchpower.com.au CATCH Power SOLAR RELAY – Installation Manual - Page 1...
- Page 2 Electric Shock Risk with CT’s CT’s must be fitted to insulated cables only. Ensure CT is terminated into the device before clamping onto cables. CATCH Power SOLAR RELAY – Installation Manual - Page 2...
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Page 3: Inside The Package
Max A/C Cable Size 2.5mm CT lead length IP Rating IP2X Operating Temperature range C to +45 Size 35W x 85H x 65D (mm) Standards Conformity IEC 60730-1, AS/NZS CISPR 32:2015 CATCH Power SOLAR RELAY – Installation Manual - Page 3... - Page 4 CATCH SOLAR RELAY Installation CATCH Solar Relay has been designed specifically for the solar industry, as such the terminal layouts are designed for maximum flexibility and simplicity of wiring. Highlights on the installation are: • CATCH Solar Relay is the size of a 2 pole miniature circuit...
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Page 5: Installation Overview
Install CATCH Solar Relay as per the circuit diagram below. • Power the device up and connect to it using the CATCH Power Configuration App on your phone or tablet. The Configuration App uses Bluetooth to communicate with the CATCH Solar Relay. - Page 6 240VAC, with a maximum coil current of 4A. Current Transformer: If the export control feature of CATCH Solar Relay is required then the CT must be installed. The CT can be positioned anywhere in the installation that sees all loads and solar.
- Page 7 Example: Wiring for a basic installation. As you can see it does not matter which of the two terminals you choose for each connection. Active In Active Out Neutral CATCH Power SOLAR RELAY – Installation Manual - Page 7...
- Page 8 Matching the CT’s to the correct phase is critically important special care must be taken to ensure this happens. • NEVER disconnect CT’s from the Solar Relay while they are wrapped around a current carrying conductor. • Multiple wires can be put through the CT, as long as all currents are in the same direction and in phase.
- Page 9 Electric Shock Risk with CT’s CT’s must be fitted to insulated cables only. Ensure CT is terminated into the device before clamping onto cables. Mains CATCH Power SOLAR RELAY – Installation Manual - Page 9...
- Page 10 Match the CT wire colours to the labels on the case. Note there is a 1 terminal gap between the white and black wire. Solar Relay Terminal CT wire colour white Black CATCH Power SOLAR RELAY – Installation Manual - Page 10...
- Page 11 INSTALLATION – Power Up There are 3 LEDs on the Solar Relay that provide indicators on what is happening. Power: Green indicates power is applied to the unit, and the unit is functional. Load On: When green it means power has been applied to the Active Out port.
- Page 12 INSTALLATION – Configuration CATCH Solar Relay is configured over a Bluetooth connection using the CATCH Configurator App. The CATCH Configurator app is available on the Apple App Store and Google Play. Scanning for new Devices When the Configurator opens it will automatically start searching for any Catch Power devices.
- Page 13 Duty: Status of the connected load. 1 means the load has a voltage applied. 0 means no voltage is applied (the load is off). CATCH Power SOLAR RELAY – Installation Manual - Page 13...
- Page 14 INSTALLATION – Configuration Once you are connected to the Solar Relay there are a number of menu options you can choose from. Understanding the menu Find Devices: Will disconnect you from the current device and perform another device scan Live Data: opens the Live Data screen.
- Page 15 INSTALLATION – Configuration CATCH Solar Relay is highly flexible and can operate in many modes. The details of all configuration options are outlined below. General Configuration Date/Time: This is the time that will be loaded into the device. It is based on the time current held on the mobile device running the Configuration App.
- Page 16 Export Control: In this mode the Solar Relay controls the load based on solar export levels. This mode is ideal for maximising solar self consumption. Turn On: In this mode the Solar Relay will turn the load on for the period of time specified.
- Page 17 In this example override 1 will be used to control the load between 7am and 11am, then Override 2 will be used from 11am – 2pm, then Override 1 will be used between 2pm and 6pm. CATCH Power SOLAR RELAY – Installation Manual - Page 17...
- Page 18 Override 1 : Starts at 11pm, and Stops at 6am 11pm Override 1 midnight In this example Override 1 will start at 11pm tonight and continue until 6am the next morning. CATCH Power SOLAR RELAY – Installation Manual - Page 18...
- Page 19 INSTALLATION – Configuration – Export Control In order to configure the solar relay to use the Export Control mode follow these steps. Setup one of the four system overrides to be Export Controlled. Configure the Export Control parameters as described below.
- Page 20 Top-up Control is typically configured in conjunction with another control mode. When configuring Top-up control you are telling the Solar Relay how many total minutes you want the load to run in a 24 period. If the run time of the load using other control mechanisms did not reach this duration, the Top-up mode will trigger and complete the running time.
- Page 21 INSTALLATION – Configuration – Voltage Control In order to configure the Solar Relay to use Export Control mode follow these steps. Setup one of the four system overrides to be Voltage Controlled. Configure the Voltage Control parameters as described below.
- Page 22 INSTALLATION – Configuration – Frequency Control In order to configure the Solar Relay to use Frequency Control mode follow these steps. Set up one of the four system overrides to be Frequency Controlled. Configure the Frequency Control parameters as described below.
- Page 23 INSTALLATION – Configuration CATCH Solar Relay can participate in a MODBUS RTU control system. The Modbus interface is implemented over an RS485 physical layer. All aspects of the relay can be updated, and controlled via the Modbus interface. For more information about using Modbus, visit the tech docs section of our website.
- Page 24 CATCH Power SOLAR RELAY – Installation Manual - Back Page...
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Questions and answers
Hi team, I believe the sparky set my phone app settings incorrectly. (The export control settings are attache in pic) Following your example on Page 19 of the user manual suggests they are wrong. If my hot water service has a 3.6 element, what should my above and below threshold settings be in winter (Adelaide) for a 6Kw solar system? I have the override settings set for 1 hr at mid day and 1 hr at 3pm for top up. Does this sound sufficient for 2 people. Thanks for your assistance