MiHome eTRV User Manual
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MiHome eTRV User Manual

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User Manual - Energenie MiHome
eTRV
Thank you for buying the MiHome eTRV (electronic Thermostatic
Radiator Valve). Please read through this manual before using the
product, and follow the instructions.
This eTRV can be installed as part of the MiHome smart home
network.
The eTRV can only be fitted to a radiator that
already has a thermostatic radiator valve, as
shown opposite. It has been designed to fit most
standard radiators. In this case, the eTRV is easy
to fit and there is no plumbing work involved.
If you have a manual radiator valve, as shown
opposite, you will need to have a normal
thermostatic radiator valve fitted first. You may
need professional help from a heating engineer
or registered plumber.
1

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Summary of Contents for MiHome eTRV

  • Page 1 Thank you for buying the MiHome eTRV (electronic Thermostatic Radiator Valve). Please read through this manual before using the product, and follow the instructions. This eTRV can be installed as part of the MiHome smart home network. The eTRV can only be fitted to a radiator that already has a thermostatic radiator valve, as shown opposite.
  • Page 2 This manual explains how to install, use and maintain the eTRV. Please keep this manual in a safe place so you can refer to it in the future if you need to.

  • Page 3: Using Your Etrv

    The MiHome eTRV is controlled remotely via radio which has a range of 25 metres approximately in open air. Safety Instructions If you do not use the eTRV correctly, in line with these operating instructions: • the warranty will become invalidated; and •...
  • Page 4 Handle the product with care. It can be damaged through being hit or dropped, even from a low height. Do not disassemble the eTRV as it does not contain any parts that you need to service. If the eTRV arrives faulty, return it to where you bought it.
  • Page 5 Contents The box should contain the following items and accessories. You will need: • a Phillips screwdriver You may need: • an adjustable spanner (to remove the existing TRV)

  • Page 6: Installation

    The eTRV is compatible with valves made by: • • Barlo Myson • • Braukmann Pegler • • Drayton Regis (B&Q) • • Honeywell Siemens • Landis & Gyr DuoGyr and many others. Installation The first step is to remove your existing TRV head.

  • Page 7: Inserting The Batteries

    The LED lamp should then flash orange slowly indicating it is ready to install on the radiator. Important - The batteries provided with the eTRV will last for up to 1½ years, depending on how often the motor runs. When you need...
  • Page 8 Do not use rechargeable batteries. Choosing and fitting a base ring The base-rings and spacers allow your eTRV to fit to either 28mm or 30mm radiator valves, whichever is already on your radiator. The 28mm ring has notches inside it.
  • Page 9 To identify which base ring to use, take one and screw it onto the radiator valve, before attaching to the eTRV, to see if it fits. When you have found the correct base- ring, unscrew it so you can attach it to the eTRV.
  • Page 10 Once the spacer is in place, attach the base- ring to the eTRV. Step 1 - Put the correct spacer (if one is needed) in the base ring. Step 2 - Fit the base ring onto the eTRV.
  • Page 11 If you ever need to remove the base ring from the eTRV you will need to pull out the pegs with pointed nose pliers or insert a 5mm, thin flat-head screwdriver under the peg and prise it out of the base-ring. Take care not to lose any of the pegs.
  • Page 12 You can now attach the eTRV to the radiator valve. Remember to position it with the LED indicator and button facing outwards. Step 1 - Place the eTRV on the valve. Step 2 - Carefully screw the base ring clockwise by hand until it is firmly in place.

  • Page 13: Boost Control

    Installing on the MiHome Network The eTRV now needs to be installed to the MiHome network. This will allow remote control from a smart device such as a smartphone or tablet or from any browser connected directly to the MiHome server.

  • Page 14: Led Display

    4. During 1 hour boost press and hold for 4 seconds to cancel 1 hour boost and initiate pairing What the LED Light indicator means The LED indicator flashes red, yellow or green to tell you what the eTRV is doing and it’s setting. LED display Meaning Red flashes once every...

  • Page 15: Remote Control

    Dead battery When the battery does not have enough charge to power the eTRV motor, the red LED light will flash once every five seconds. At this point, the eTRV’s stem will automatically retract so heating will not...

  • Page 16: Technical Information

    External temperature sensing The eTRV will take its own temperature readings from its internal sensors and control the valve opening and closing to maintain radiator temperature. It can additionally be commanded to regulate the temperature from an external temperature source under remote command from the MiHome system if set up correctly.

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