Installation Guide

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Ham-Let Group Proprietary Information – Confidential
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4. Connection E: Solenoid Air Supply
The Pneumatic Inlet must be connected to the Port 1 of the solenoid per the picture
below. The Pneumatic Inlet connector requires a M5 Male with a ¼” tubing (KQ2L07-
M5N or KQ2H07-M5N)
Warning! The solenoid requires the supplied gas pressure to be from 70PSI to 90PSI (5
to 6 BAR).
5. Green LED Status Indication
LED Status
Function
/ Behaviour
Fast Blink Power on and connecting to LoRa Gateway
Slow Blink Provision with IOT-LET cloud
Solid ON In Operational Mode
OFF Power Off
Warning!
If the LED remains at Slow Blink continuous for ~5mins, it may have connected in Test Mode.
Please power cycle the valve again for it to join correctly.
Connection E->
<- Green LED