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thermokon JOY SR 5DO Electronic Fancoil Thermostat User Guide

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JOY SR 5DO | EC AO2DO | EC 3AO RS485 Modbus

Electronic Fancoil Thermostat (from Version 2.6.x)

Datasheet

Subject to technical alteration

Issue date: 01.05.2023 • A125

»APPLICATION

JOY SR Fancoil 5DO RS485 Modbus (85..260 V ~)

Modern design, flush mounting fan coil room thermostat. Used for individual control of temperature in commercial and residential buildings. It is

tailored for two-pipe and four-pipe fan coil units with two-wire electric valves. The device combines a modern design with a 2,5” LCD and a touch-

sensitive surface, 3 time program options each with 4 time periods options.

JOY SR Fancoil EC AO2DO RS485 Modbus (85..260 V ~)

Modern fan coil room thermostat to control fan coil units with EC fans. It is suitable for 2- and 4-pipe systems. It has 2 relays and 1 analogue output

0-10V (heating valve, cooling valve and EC fan). The device combines a modern design with a 2,5” LCD and a touch-sensitive surface, 3 time

program options each with 4 time periods options.

JOY SR Fancoil EC 3AO RS485 Modbus (24 V ~/=)

Modern design, flush mounting fan coil room thermostat. Used for individual control of temperature in commercial, industrial and residential

buildings. It is tailored for two-pipe and four-pipe fan coil units with two-wire electric valves or controlling a 6-way valve. The device combines a

modern design with a 2,5” LCD and a touch-sensitive surface, 3 time program options each with 4 time periods options.

»SECURITY ADVICE – CAUTION

The installation and assembly of electrical equipment should only be performed by authorized personnel.

The product should only be used for the intended application. Unauthorised modifications are prohibited! The product must not be

used in relation with any equipment that in case of a failure may threaten, directly or indirectly, human health or life or result in

danger to human beings, animals or assets. Ensure all power is disconnected before installing. Do not connect to live/operating

equipment.

CAUTION! Risk of electric shock due to live components within the enclosure, especially devices with mains voltage

supply (usually between 90..265 V).

Please comply with

•

Local laws, health & safety regulations, technical standards and regulations

Condition of the device at the time of installation, to ensure safe installation

This data sheet and installation manual

»PRODUCT TESTING AND CERTIFICATION

Declaration of conformity

The declaration of conformity of the products can be found on our website https://www.thermokon.de/

Thermokon Sensortechnik GmbH, Platanenweg 1, 35756 Mittenaar, Germany · tel: +49 2778 6960-0 · fax:-400 · www.thermokon.com · email@thermokon.com

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General	Details
Name	thermokon JOY SR 5DO Electronic Fancoil Thermostat User Guide
Make	thermokon
Language	English
Filetype	PDF (Download)
File size	0.59 MB

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thermokon Instructions & User Manuals

thermokon JOY 5DO Digital Room Thermostat User Manual

Get the free PDF manual for the thermokon JOY SR 5DO Electronic Fancoil Thermostat User Guide and access setup steps, usage instructions, and troubleshooting tips. 👉 View online or download now to keep your thermostat running smoothly!

Thermokon JOY SR 5DO Fancoil Manual: Questions and Answers

Thermokon JOY SR 5DO Fancoil specifications

Power supply	85..260 V ~
Weight	195 g
Power consumption	max. 3 VA (260 V ~)

Full specifications, page 3

What does ring illumination flashing at 300ms intervals mean on Thermokon JOY SR 5DO Fancoil?

The bootloader has recognized a valid update file and the firmware update process is running. User Guide, p. 2

Thermokon JOY: what's the difference between firmware update and device configuration?

Firmware update replaces the application software. Device configuration sets parameters for display, setpoints and controller. User Guide, p. 2

What does Thermokon JOY's active bootloader indicate?

Ring illumination flashes at 1 second cycle and display is not activated. User Guide, p. 2

What do the fan speed up and down buttons do?

Adjust fan speed. The white ring-LED on the Power button lights up for visual feedback while pressing.

Button	Function
Fan speed up	Increase fan speed
Fan speed down	Decrease fan speed

User Guide, p. 6

How many window contact sensors can the Thermokon JOY SR 5DO Fancoil learn?

Up to five sensors. User Guide, p. 9

Why isn't my Thermokon JOY SR 5DO Fancoil responding to keycard switch commands?

During learn-in, the card must not be plugged in, and you must wait at least 5 seconds between actions. If timing isn't correct, it learns as a radio rocker switch instead.

Card must not be inserted during initial learn-in action.
Wait at least 5 seconds before performing the second action with the card.
If timing is incorrect, the switch learns as RPS function instead of KEY function. User Guide, p. 9