Siemens HARS-T03 Series User manual

CM2N6275.CEEen

01.10.2009

Building Technologies

275.CEE

HOTEL AUTOMATION ROOM SYSTEM

Room operating unit HARS-T03

Room unit to operate individual room control systems in additional hotel rooms

•Displays room temperature and setpoint adjustment

•Setpoint adjustment with "up" and "down" pushbuttons

•1

fan-speed selection for fan control ("silent mode") or selection of "Auto"

operating mode or selection for shutting off air-condition

•Measurement of room temperature with a built-in temperature sensor

Application

The HARS-T03.xx room operating unit for control of indoor room temperature is used in

conjunction with the HARS-C10 room controller. The room operating unit detects the

temperature and transmits its information to HARS-C10 room controller for room

temperature control. The room operating unit displays the temperature and operating

mode in the hotel room and is used to control the fan coil unit, either manually or

automatically via the connected room controller.

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Siemens HARS-T03 – Room Operating Unit CM2N6275.CEEen

Building Technologies 01.10.2009

Function

The HARS-T03.xx room operating unit communicates with the HARS-C10 room

controller via digital signals, performing the following functions:

•Display the room temperature

•Correct the manual room temperature setpoint

•Display the manual room temperature setpoint

•Set the 1

fan speed or Auto" operating mode for automatic selection of the fan

speed

•Display 1

fan speed or Auto" operating mode for automatic selection of the fan

speed

•Measure and transmit the room temperature detected via the built-in 2,2 kΩNTC

room sensor

•Display notification messages

Types

HARS-T03.BB Room operating unit black with Bticino Living frame adapter

HARS-T03.LB Room operating unit black with Legrand Vela frame adapter

HARS-T03.VB Room operating unit black with Vimar Idea frame adapter

Ordering

When ordering, please specify the quantity, product name and type code:

30 Room operating units, black with Vimar frame adapter HARS-T03.VB

The following items depend on the desired overall program and installation type and

must be ordered separately from the corresponding frame supplier:

•Flush-mounted or cavity wall box for integration.

•Cover frame of the corresponding supplier with desired surface.

Compatibility

Name Type Data sheet

Room controller HARS-C10 6263.CEE

Room controller* HARS-C20*6261.CEE*

Room controller* HARS-C27*6262.CEE*

* without DND, MUR, SOS and doorbell functionality

The HARS-T03.xx room operating unit is connected to the HARS-C10 room controller.

The connection has to be made with a flat telephone cable (8x0,14mm², maximum

length 20m) terminated on both ends with RJ45 male connectors.

Example

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Siemens HARS-T03 – Room Operating Unit CM2N6275.CEEen

Building Technologies 01.10.2009

Mechanical design

The room operating unit comprises:

•Printed circuit board with the electronic circuit, 4 7-segment LED displays, buttons for

operation with LED indication, with RJ45 connector

•Base frame:

−Bticino Living/Type L4703 for HARS-T03.BB

−Legrand Vela/Type 72843 for HARS-T03.LB

−Vimar Idea/Type 16713 for HARS-T03.VB

The printed circuit board is fixed with screws onto the base frame and can be replaced.

Operator controls, connections and display elements

1 Base frame with fixing screws

•Bticino Living/Type L4703 for HARS-T05.BB

•Legrand Vela/Type 72843 for HARS-T05.LB

•Vimar Idea/Type 16713 for HARS-T05.VB

2 Display

Measured temperature display (digits) in °C

Setpoint adjustment display (digits) in °C (shown when setting the

temperature)

Fan coil unit switched OFF

Display messages

Front door open

Window open

3 Buttons for operation

Pushbutton for increasing setpoint in steps of 1°C

Pushbutton for decreasing setpoint in steps of 1°C

Pushbutton for switching air-condition OFF/ON - 1

speed/ON -

auto speed

Note

Front view

Key

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Siemens HARS-T03 – Room Operating Unit CM2N6275.CEEen

Building Technologies 01.10.2009

The guest can use the room unit to do the following:

•Adjust the preset room temperature setpoint from ±0°C to ±10°C, configured in

controller. The step is 1°C. Each temperature increment/decrement is displayed onto

display as set point.

•Enable fan-coil to run in 1

speed

•Change from manual to automatic mode ("Auto")

•Switch Fan coil unit on/off

Switching to "Auto" causes the fan speed to be set automatically by the controller

(Speed 1, 2 or 3).

The temperature setpoint valid for the room is displayed on the LED display panel when

changing the setpoint.

When the guest leaves the room (removing the access card from the card holder) the

system switches automatically to "Auto", and the "Precomfort" room operating mode

with the energy-saving function comes into effect. When the guest returns to the room,

the guest’s personally selected "Auto" or “1

speed” mode becomes active and the

"Comfort" room operating mode is restored.

In conjunction with the HOTEL AUTOMATION ROOM SYSTEM SOFTWARE, the room

temperature setpoints preset for a given room are automatically reinstated when the

guest checks out - "room not rented" mode.

Via HARS-SWxx all temperature parameters can be changed.

4 RJ45 connector Connection to room controller via flat telephone cable

8x0,14mm

Engineering notes

The HARS-T03.xx room operating unit is designed for flush wall mounting and fixed in

a base frame. Cover frames for this base unit are available from the installation ranges

of various manufacturers (see "Ordering").

One HARS-T03.xx room operating unit can be connected directly to the HARS-C10

room controller.

The HARS-T03.xx room temperature control algorithm is not in the room operating unit

itself, but in the room controller application program (firmware). To enable the room

controller to communicate with the room operating unit, there is no need to address the

device – it communicates directly with the room controller (plug and play).

Rear view

Key

Addressing not needed

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Siemens HARS-T03 – Room Operating Unit CM2N6275.CEEen

Building Technologies 01.10.2009

Mounting instructions

To measure the temperature with the built-in temperature sensor, the HARS-T03.xx

room operating unit must be installed in a location suitable for room temperature

measurement.

Heat sources result in false temperature measurements. Ensure a minimum distance of

1.5 m from lamps and heaters-radiators and also a distance from Fan coil unit air flow.

If the sensor is in an unsuitable location, the measured value can be corrected with a

temperature offset. The correction can be undertaken with the HOTEL AUTOMATION

ROOM SYSTEM SOFTWARE.

•The HARS-T03.xx room operating unit should be mounted at eye level in the living

area of the hotel room (apprx 1.5m).

•Lamps and other heat sources in the vicinity of the room temperature sensor must

not be allowed to influence the measured temperature. The room unit with the built-in

temperature sensor is not suitable for mounting within reach of the bed, for example,

because items such as bedside lamps can cause too much heat and increase the

measured temperature.

•Conduits must be sealed where they enter wall boxes, so that draughts does not

falsify the temperature.

•To remove the device, it must be unscrewed from the wall together with the base-

frame.

•The RJ45 connector enables simple plugging the cable with adequate RJ45

connector terminated on flat telephone cable (8x0,14mm

•The device is intended for fixed installation in a dry, enclosed space.

•For installation in a 3-module mounting box.

•Must be mounted horizontally only, with the front plate vertical

•Do not install AC 230 V devices in the same mounting box

•Commissioning must be carried out by trained personnel only

•Do not open the unit

•Local safety and installation regulations must be observed

Commissioning

To operate devices connected to the same room controller attention should be paid to

correctly connect flat telephone cables to room controller.

Flat telephone cable (or UTP) for HARS-T03.xx must not be mixed with flat cable for

HARS-RT.xx. Mixing those cables could cause HARS-T03.xx or room controller to

malfunction or even damage the device(s).

Mounting location

STOP

Important note

Correcting the

measured value

STOP

Important note

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Siemens HARS-T03 – Room Operating Unit CM2N6275.CEEen

Building Technologies 01.10.2009

Operating notes

Pattern Description

All symbols OFF Bad or no connection with room controller.

Possible causes:

−Room controller off or faulty

−Flat (UTP) cable not correctly connected, or connection

broken

−HARS-T03.xx faulty

Undefined symbols

on display

Wrong or bad connection with room controller.

Possible causes:

−Flat (UTP) cable not correctly connected to RJ45

connector

−Flat (UTP) cable not correctly connected to room

controller CAUTION – this can damage HARS-T03.xx

or even room controller

Technical data

Operating voltage (SELV, PELV) DC 5 V

Power supply

(from HARS-C1x) Current 150 mA

Communication Connection cable 8 x 0,14 mm

flat telephone cable (not

included)

Connector on cable (both sides) 2 x RJ45 male (not included)

Connector on room operating unit (and

controller)

RJ45 female (included)

Connector position on controller X11

Indication Consist of LEDs and 4 7-segment LED

displays

Temperature signal input Measuring range 0 … 45 °C

Measuring current 3 mA

Measuring element NTC 2,2 kΩ

Setpoint Adjustment range ±0.. ±1 0 °C

Setpoint correction Correction range ±0.. ±1 0 °C

Resolution 1°C

Parameter setting

Parameters set with HARS SOFTWARE and

stored in EEPROM

Ambient conditions Operating temperature 0...+40 °C

Storage temperature -30..+70 °C

Air pressure during operation Min. 700 hPa (3000 m above sea level)

Air pressure during storage Min. 260 hPa (10.000 m above sea level)

Electromagnetic compatibility

EN 61131-2:2003

Low voltage equipment EN 61010-1:2001

Housing

protection standard

To EN 60,529

IP20

Protection class To IEC1140 II

conformity Meets the requirements of:

EMC Directive

2004/108/EC

Low-voltage directive 2006/95/EC

Important situations

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Siemens HARS-T03 – Room Operating Unit CM2N6275.CEEen

Building Technologies 01.10.2009

Installation Suitable for flush mounting in rectangular

flush-mounting box or rounded hollow wall

box

HARS-T03.BB,

HARS-T03.LB and

HARS-T03.VB

3 modules

Bticino 503E (angular),PS563N (round)

Legrand 89239 (angular)

Vimar V71613 (round), V71304 (angular)

Color Operator panel Black

Dimensions HARS-T03.BB – Bticino frame L4703

HARS-T03.LB – Legrand frame 72843

HARS-T03.VB – Vimar frame 16713

(without cover; and see dimension

diagrams)

115 mm x 72 mm x 25 mm

113 mm x 75 mm x 26 mm

118 mm x 75 mm x 26 mm

Weight Without packaging 0.075 kg

Connection diagrams

1 Digital input signals

2 Digital input signals

3 Digital input signals

4 Temperature probe terminals

5 Digital output signals

6 Temperature probe terminals

7 Power supply GND

8 Power supply +5VDC

S2 HARS-T03.xx room operating

unit

N1 HARS-C10 room controller

Connection

terminals

Connection diagram

HARS-T03.xx

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Siemens HARS-T03 – Room Operating Unit CM2N6275.CEEen

Building Technologies 01.10.2009

Dimensions

Diagram and dimensions of Bticino frame L4703.

Diagram and dimensions of Legrand frame.

Diagram and dimensions of Vimar frame 16713.

See the frame supplier documentation for dimensions of other frames and hole

spacing.

HARS-T03.BB

Dimensions in mm

HARS-T03.LB

Dimensions in mm

HARS-T03.VB

Dimensions in mm

Note



2009 Siemens Building Automation CEE Subject to change

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