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sauter EY-RU482F001 Manuallines

Room operating unit
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EY-modulo 4
EY-RU482F001 Room Operating Unit with Display for Fan Coil applications
EY-RU483F001 Room Operating Unit with Display for VAV applications
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Product Description

This document describes the hardware installation procedures for the SAUTER EY-modulo4 room
operation units with display for Variable Air Volume applications (VAV) and Balancing Tool and for
Fan Coil applications (FC).
The SAUTER EY-RU483F001 communicating sensor and balancing tool for VAV is specifi cally
designed to work with the EY-RC415 and EY-RC416 controller product lines. This device provides
precision local temperature sensing and it allows occupants to adjust the local setpoint and view
the occupancy status, local space temperature, outside air temperature and operation mode.
Maintenance personnel have access to a password-protected advanced mode that allows them
to perform air balancing on a connected EY-RC415 or EY-RC416, send service pin messages for
commissioning and toggle temperature units between °C and °F.
The SAUTER EY-RU483F001 can be permanently installed on a wall or used as a hand-held air
balancing tool that can be connected through a standard wall-mounted room sensor. Using the
SAUTER EY-RU483F001 as a hand-held unit, technicians can directly perform VAV balancing right
near the point of control.
The SAUTER EY-RU482F001 communicating sensor is specifi cally designed to work with the
EY-RC402 and EY-RC403 controller product line. This device provides precision local temperature
sensing and it allows occupants to adjust the local setpoint and fan speed and view the local
space temperature.
P100002807 A
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Summary of Contents for sauter EY-RU482F001

  • Page 1: Table Of Contents

    EY-RC415 or EY-RC416, send service pin messages for commissioning and toggle temperature units between °C and °F. The SAUTER EY-RU483F001 can be permanently installed on a wall or used as a hand-held air balancing tool that can be connected through a standard wall-mounted room sensor. Using the SAUTER EY-RU483F001 as a hand-held unit, technicians can directly perform VAV balancing right near the point of control.

  • Page 2: General Installation Requirements

    Unless otherwise indicated, the term VAV will be used in this document to represent all models of the EY-RC415 or EY-RC416 controller product lines. Likewise, the term EY-modulo4 Room Operating Unit will be used to represent the SAUTER room units type EY-RU482F001 and SAUTER EY-RU483F001.
  • Page 3 • The device should not be installed in a place were it can be affected by the sun. • Install the device in an area that provides proper device ventilation. Nothing must restrain air circulation to the device. NOTICE The EY-RU481 has not been designed for outdoor use. Installation procedure Remove the security screw from the device (Figure 1).

  • Page 4: Device Wiring

    Fig. 1 Mounting the controller Wall Anchors Pull on Plastic tab to release the printes circuit board Flip printed circuit board to access mounting hole Security Srew Device Wiring The EY-modulo4 Room Operating Unit can be wired in three (3) different ways depending on its desired use: •...
  • Page 5 Fig. 2 Smart Sensor with front plate removed Wiring EY-modulo4 Room Operating Unit to a Controller The EY-modulo4 Room Operating Unit uses a serial communication protocol and is designed to connect to the serial inputs labelled SMRT+ and SMRT-on the VAV- or FC-controller. To wire a wall-mounted EY-modulo4 Room Operating Unit to a controller, do the following: Remove the front plate of the EY-modulo4 Room Operating Unit.
  • Page 6 Wiring EY-modulo4 Room Operating Unit to a VAV for VAV Balancing The EY-modulo4 Room Operating Unit EY-RU483F001 can be used as a hand-held device to perform VAV balancing. The communications terminals (1 and 2) within the EY-RU483F001 (or any other sensor with a communications jack) must be connected to the SMRT+ and SMRT- inputs of the VAV before the communications jack can be used (Figure 5).
  • Page 7 When a wireless VAV controller is being used, the wireless receiver will be temporarily disabled when an EY-RU483F001 is attached to the controller until it is unplugged. It is not possible to simultaneously use the wireless option with the EY- RU483F001.

  • Page 8: Maintenance

    If the distance between the EY-modulo4 Room Operating Unit and the controller (stub length) is less than 3m a bus topology should be used. If the stub length is greater than 3m a free topology in a daisy chain must be used. The communications jack for both the EY-modulo4 Room Operating Units support mono and stereo audio cables.

  • Page 9: Hardware Installation Guide

    SAUTER reserves the right to change, delete or add to the information in this manual at any time without notice. Echelon, Neuron, LON, LONWORKS, LONMARK and LNS are registered trademarks of Echelon ©...

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