Page Comparison

User Interface functionality

The unit has no user-accessible buttons to avoid manipulation of the device in public environments. Installers rely on a pen-shaped magnet to perform tasks related to the installation.

Setting up a Gateway

 In a web browser, navigate to the gateway IP address

1. Login to the gateway

2. LoRaWAN, Network Settings, Join Delay 5 seconds

3. LoRaWan, Network Settings, Max Datarate 5 – SF12BW125SF7BW125
   Click Submit
   Wait for Save and Apply to go red, and then click it

4. Firewall, Settings, Input Filter Rules
   Add ‘Allow Inbound’

5. Click Submit

6. Wait for Save and Apply to go red, and then click it

 Pairing the Device with a Room Controller or Gateway

 Devices will be accompanied with a spreadsheet containing the following information:

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1. In a web browser, navigate to the gateway IP address

2. Login to the gateway

3. (Only needs to be done once:)
   LoRaWAN, Network Settings, Join Delay 5 seconds
   LoRaWAN, Network Settings, Max Datarate 5 – SF12BW125SF7BW125

4. LoRaWAN, Key Management, click Add New

5. For each device, enter the following details, and then click OK:
   Dev EUI (available in the spreadsheet)
   App EUI (available in the spreadsheet)
   App Key (available in the spreadsheet)
   Class: A
   Device Profile: LW102-OTA-EU868
   Network Profile: DEFAULT-CLASS-A

6. Click Submit

7. Wait for Save and Apply to go red, and then click it

Mounting Position and OFF

 In mounting position, the plunger inside the product’s valve adaptor is fully retracted, so that the unit can be easily attached to a circulation valve. In mounting position, the product is OFF, preserving the charge of the internal energy storage device. This makes it the preferred mode for shipping and storing.

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 Upon delivery, all new units are in mounting position.

Attaching and Activating a unit

Before attempting to attach a unit to a valve, be sure it is in mounting position (refer to the above section).

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 Activation only works from mounting position. If performed during normal operation, the product will not show any reaction.

Reset (from Normal Operation only)

The MLR003FiEU61-12-1.1 RESET function allows access to mounting position. It is also useful to restore correct operation should a malfunction occur.

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If the device is unmounted, it will go into mounting position and switch OFF

No Reset from Mounting Position

Removal from the Valve

Unscrew the ring nut from the valve and RESET the device. It will move to mounting position and switch OFF.

Temperature Control Loop

 To obtain an estimate of the ambient temperature, the device measures the flow temperature every 5 minutes and performs a moving average across the last 30 minutes. It then performs the following computation:

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 The default value of P is 3. It can be modified via the downlink packet (Section 7.2).

Antifreeze

The antifreeze function prevents damage to the pipes. Below 6°C at the integrated valve side temperature sensor, the valve opens to 95%. The 6°C is an absolute temperature, any user-offset is ignored.

Battery Charging Flow Chart

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