Danfoss EKA 202, EKA 203 Installation guide

Installation Guide

Bluetooth Adapter

Type EKA 202 & EKA 203

Bluetooth Adapter (EKA 202 & EKA 203) is a plug in type device for ERC and EETa range of controllerstoprovidebluetoothconnectivitywithcompanionmobileapplication'KoolConnect'.

•Bluetooth Low Energy 5.2

•Simple Plug and Play module

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080R4219

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Fig. 1: EKA 202/203

Technical specifications:

	Specifications		EKA 202		EKA 203
	Input voltage		5 V DC / 12 V DC		5 V DC / 12 V DC
	Max Current		70 mA		76 mA
	Bluetooth version		5.2		5.2
	Bluetooth range (without any obstruction around)		10 m		10 m
	Data storage duration		15 days		15 days
	RTC power back up		No power backup		36 hours (approx.)
	Communication interface with controller		UART, One wire		UART, One wire
	Operating temperature		-25 – +55 °C		-25 – +55 °C
	Maximum humidity		<90% RH (Non-condensing)		<90% RH (Non-condensing)
	Storage temperature		-40 – +70 °C		-40 – +70 °C
	Ordering code	Bluetooth adapter	080N0022 (Single Pack)	| 080N0026 (I Pack)	080N0023 (Single Pack) | 080N0027 (I Pack)
		Interface cable	080N0329 (ERC 11x) |	080N0327 (ERC21x) |	080N0325 (EETa)
	Supported Controllers		ERC11x, ERC21x (080G34xx series only) and EETa
	Approvals1)		CE, UL, FCC, ISED

1) For latest approval status and other local approvals, please check at danfoss.com or contact your local Danfoss representative.

Dimensions (units are in mm)

Fig. 2: Top view

59.6

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Fig. 3: Rear view

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A.Bluetooth Adapter

B.QR code chip

C.TTL port for connection with controller

Procedure for adapter installation

1.Detach the QR code chip from the Bluetooth Adapter by breaking. The QR code chip is used for pairing with mobile application.

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2.Attach the QR code chip to the door or any clean part of the cabinet that can be easily accessed for the pairing procedure.

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3.Secure the Bluetooth Adapter in a convenient location using double sided tape (Fig. 4-5) or by screw mounting (Fig. 6)

Fig. 4	Fig. 5
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Fig. 6

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4.Power off the controller by switching off the main supply to the controller.

5.Connect the Bluetooth Adapter to communication port of controller using interface cable (Fig. 7)

–TTL port in ERC21x and EETa

–DI port in ERC11x

Fig. 7

Bluetooth Adapter

Interface

cable

Controller

Note:

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•Ensure the Bluetooth Adapter is installed away from heating source, direct sunlight, dripping water, dusty environment.

•Avoid any obstruction around the adapter that impacts Bluetooth communication.

•Interface cable ordered separately for the respective controller to be used for connecting Bluetooth Adapter to Controller.

Power up sequence and connection with mobile application:

Function

Description

Power up the controller connected with Power-up Bluetooth Adapter.

Bluetooth Adapter starts power up initialization (it gets power from connected controller).

		After power up initialization, the adapter
		establishes communication with connected
	Established	controller and start broadcasting.
	communication
	with controller and
	broadcasting.	Unsuccessful identification/communication with
		controller.
	Connection with mobile	Search and connect broadcasting adapter using
		KoolConnect companion app. Click on "Set
	app and Real time clock	time" when mobile app shows alert message to
	(RTC) update
		synchronize the adapter time with mobile time.1)

1) Note:

Illustration

Blue Red Green

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Green

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Red

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Blue

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LED info

•White – Blue – Red – Green LED blinking in sequence indicates power up initialization.

•After few seconds, Green LED rapid flashes indicating controller detection is in progress.

•Green LED slow flashes (1s/1s)

•Red LED rapid flashes.

•LED turns to constant Blue indicating Bluetooth is connected.

1.Ensure that the module is connected to the mobile app after final power up and installation to finalize the setup properly. If the module is not connected after final power up at customer's site, the module will log the data without the correct time stamp.

2.If the Bluetooth Adapter is changed from one controller model to another (ex: ERC112C to ERC112D or EETa 3W), all the logged data from previous controller are erased and start logging afresh from new controller. The data from previous controller is retained if one code no. is changed to another code no. within the same controller model.

KoolConnect companion mobile app download and connection:

	Android version 8.0 or later	
	iOS 11 or later (Iphone 8 & above)
		KoolConnect

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© Danfoss | Climate Solutions | 2022.02